Comtrend Corporation NexusLink 3241u User Manual

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Comtrend Corporation NexusLink 3241u User Manual | Manualzz

NexusLink 3241u/3241eu

Bonding IAD

User Manual

261103-018 Vers io n A1.0, May 17, 2017

Preface

This manual provides information related to the installation and operation of this device. The individual reading this manual is presumed to have a basic understanding of telecommunications terminology and concepts.

If you find the product to be inoperable or malfunctioning, please contact technical support for immediate service by email at [email protected]

For product update, new product release, manual revision, or software upgrades, please visit our website at http://www.comtrend.com

Important Safety Instructions

With reference to unpacking, installation, use, and maintenance of your electronic device, the following basic guidelines are recommended:

 Do not use or install this product near water, to avoid fire or shock hazard. For example, near a bathtub, kitchen sink or laundry tub, or near a swimming pool.

Also, do not expose the equipment to rain or damp areas (e.g. a wet basement).

 Do not connect the power supply cord on elevated surfaces. Allow it to lie freely.

There should be no obstructions in its path and no heavy items should be placed on the cord. In addition, do not walk on, step on, or mistreat the cord.

 Use only the power cord and adapter that are shipped with this device.

 To safeguard the equipment against overheating, make sure that all openings in the unit that offer exposure to air are not blocked.

 Avoid using a telephone (other than a cordless type) during an electrical storm.

There may be a remote risk of electric shock from lightening. Also, do not use the telephone to report a gas leak in the vicinity of the leak.

 Never install telephone wiring during stormy weather conditions.

CAUTION:



To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.



Always disconnect all telephone lines from the wall outlet before servicing or disassembling this equipment.

WARNING





Disconnect the power line from the device before servicing.

Power supply specifications are clearly stated in Appendix C -

Specifications .

1

Copyright

Copyright©2017 Comtrend Corporation. All rights reserved. The information contained herein is proprietary to Comtrend Corporation. No part of this document may be translated, transcribed, reproduced, in any form, or by any means without prior written consent of Comtrend Corporation.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software

Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY

WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/

NOTE: This document is subject to change without notice.

Protect Our Environment

This symbol indicates that when the equipment has reached the end of its useful life, it must be taken to a recycling centre and processed separate from domestic waste.

The cardboard box, the plastic contained in the packaging, and the parts that make up this router can be recycled in accordance with regionally established regulations.

Never dispose of this electronic equipment along with your household waste; you may be subject to penalties or sanctions under the law. Instead, please be responsible and ask for disposal instructions from your local government.

2

Table of Contents

CHAPTER 1 INTRODUCTION ........................................................................................................... 6

CHAPTER 2 INSTALLATION ............................................................................................................. 7

2.1

H ARDWARE S ETUP ........................................................................................................................... 7

2.2

LED I NDICATORS ............................................................................................................................. 9

CHAPTER 3 WEB USER INTERFACE ............................................................................................ 11

3.1

D EFAULT S ETTINGS ....................................................................................................................... 11

3.2

IP C ONFIGURATION ........................................................................................................................ 12

3.3

L OGIN P ROCEDURE ........................................................................................................................ 14

CHAPTER 4 DEVICE INFORMATION ........................................................................................... 16

4.1

WAN ............................................................................................................................................. 17

4.2

S TATISTICS ..................................................................................................................................... 18

4.2.1

LAN Statistics ................................................................................................................. 18

4.2.2

WAN Service ................................................................................................................... 19

4.2.3

XTM Statistics ................................................................................................................. 20

4.2.4

xDSL Statistics ................................................................................................................ 21

4.3

R OUTE ........................................................................................................................................... 26

4.4

ARP ............................................................................................................................................... 27

4.5

DHCP............................................................................................................................................ 28

4.6

NAT S ESSION ................................................................................................................................ 30

4.7

IGMP I NFO .................................................................................................................................... 31

4.8

IP V 6 .............................................................................................................................................. 32

4.8.1 IPv6 Info ................................................................................................................................ 32

4.8.2 IPv6 Neighbor ....................................................................................................................... 33

4.8.3 IPv6 Route ............................................................................................................................. 34

4.9

CPU & M EMORY ........................................................................................................................... 35

CHAPTER 5 ADVANCED SETUP ..................................................................................................... 36

5.1

L AYER 2 I NTERFACE ...................................................................................................................... 36

5.1.1

ATM Interface ................................................................................................................. 36

5.1.2

PTM Interface ................................................................................................................. 36

5.1.3

ETH Interface ................................................................................................................. 37

5.2

WAN S ERVICE ............................................................................................................................... 38

5.3

LAN .............................................................................................................................................. 39

5.3.1 LAN IPv6 Autoconfig ............................................................................................................. 42

5.3.2 Static IP Neighbor ................................................................................................................. 46

5.4

NAT .............................................................................................................................................. 47

5.4.1

Virtual Servers ................................................................................................................ 47

5.4.2

Port Triggering ............................................................................................................... 49

5.4.3

DMZ Host ....................................................................................................................... 51

5.4.4

IP Address Map .............................................................................................................. 52

5.4.5 ALG/Pass-Through ......................................................................................................... 53

5.5

S ECURITY ...................................................................................................................................... 54

5.5.1

IP Filtering ..................................................................................................................... 54

5.5.2

MAC Filtering................................................................................................................. 58

5.6

P ARENTAL C ONTROL ...................................................................................................................... 60

5.6.1

Time Restriction .............................................................................................................. 60

5.6.2

URL Filter....................................................................................................................... 61

5.7

Q UALITY OF S ERVICE (Q O S) .......................................................................................................... 63

5.7.1

Queue Management Configuration ................................................................................ 63

5.7.2

QoS Queue ...................................................................................................................... 64

5.7.3

QoS Classification .......................................................................................................... 68

5.7.4 QoS Port Shaping ........................................................................................................... 71

5.8

R OUTING ....................................................................................................................................... 72

5.8.1

Default Gateway ............................................................................................................. 72

5.8.2

Static Route ..................................................................................................................... 73

5.8.3

Policy Routing ................................................................................................................ 74

3

5.8.4

RIP .................................................................................................................................. 75

5.9

DNS .............................................................................................................................................. 76

5.9.1

DNS Server ..................................................................................................................... 76

5.9.2

Dynamic DNS ................................................................................................................. 77

5.10

DSL ............................................................................................................................................. 79

5.11

DSL B ONDING ............................................................................................................................. 81

5.12

UP N P........................................................................................................................................... 82

5.13

DNS P ROXY /R ELAY .................................................................................................................... 83

5.14

P RINT S ERVER ............................................................................................................................. 84

5.15

DLNA ......................................................................................................................................... 85

5.16

S TORAGE S ERVICE ....................................................................................................................... 86

5.17

I NTERFACE G ROUPING ................................................................................................................. 87

5.18

IP T UNNEL ................................................................................................................................... 90

5.18.1 IPv6inIPv4 ........................................................................................................................... 90

5.18.2 IPv4inIPv6 ........................................................................................................................... 92

5.19

IPS EC .......................................................................................................................................... 94

5.20

C ERTIFICATE ................................................................................................................................ 98

5.20.1

Local ............................................................................................................................... 98

5.20.2

Trusted CA .................................................................................................................... 101

5.21

M ULTICAST ................................................................................................................................ 103

CHAPTER 6 WIRELESS .................................................................................................................. 105

6.1

B ASIC 5GH Z ................................................................................................................................ 105

6.2

S ECURITY 5GH Z .......................................................................................................................... 107

6.3

WPS 5GH Z .................................................................................................................................. 110

6.4

MAC F ILTER 5GH Z ..................................................................................................................... 113

6.5

W IRELESS B RIDGE 5GH Z ............................................................................................................ 115

6.6

A DVANCED 5GH Z ........................................................................................................................ 116

6.7

S ITE S URVEY 5GH Z ..................................................................................................................... 121

6.8

S TATION I NFO 5GH Z .................................................................................................................... 122

6.9

B ASIC 2.4GH

Z ............................................................................................................................. 123

6.10

S ECURITY 2.4GH

Z ..................................................................................................................... 125

6.11

WPS 2.4GH

Z ............................................................................................................................. 128

6.12

MAC F ILTER 2.4GH

Z ................................................................................................................ 131

6.13

W IRELESS B RIDGE 2.4GH

Z ....................................................................................................... 133

6.14

A DVANCED 2.4GH

Z ................................................................................................................... 134

6.15

S ITE S URVEY 2.4GH

Z ................................................................................................................ 138

6.16

S TATION I NFO 5GH Z .................................................................................................................. 139

6.17

W I F I P ASSPOINT ........................................................................................................................ 140

CHAPTER 7 VOICE .......................................................................................................................... 141

7.1

SIP B ASIC S ETTING ..................................................................................................................... 143

7.1.1 Global Parameters .............................................................................................................. 144

7.1.2 Service Provider .................................................................................................................. 145

7.2

SIP A DVANCED S ETTING ............................................................................................................. 148

7.2.1 Global Parameters .............................................................................................................. 149

7.2.2 Service Provider .................................................................................................................. 150

7.3

SIP D EBUG S ETTING .................................................................................................................... 153

7.3.1 Global Parameters .............................................................................................................. 154

7.3.2 Service Provider .................................................................................................................. 155

7.4

SIP CCTK S ETTING ..................................................................................................................... 156

7.5

T ELEPHONE C ALLS ...................................................................................................................... 157

CHAPTER 8 DIAGNOSTICS ........................................................................................................... 159

8.1

D IAGNOSTICS

I NDIVIDUAL T ESTS ............................................................................................. 159

8.2

E THERNET OAM ......................................................................................................................... 160

8.3

U PTIME S TATUS ........................................................................................................................... 162

CHAPTER 9 MANAGEMENT ........................................................................................................ 163

9.1

S ETTINGS ..................................................................................................................................... 163

9.1.1

Backup Settings............................................................................................................. 163

9.1.2

Update Settings ............................................................................................................. 164

4

9.1.3

Restore Default ............................................................................................................. 164

9.2

S YSTEM L OG ............................................................................................................................... 166

9.3

SNMP A GENT ............................................................................................................................. 168

9.4

TR-069 C LIENT ........................................................................................................................... 169

9.5

I NTERNET T IME ........................................................................................................................... 171

9.6

A CCESS C ONTROL ....................................................................................................................... 172

9.6.1 Passwords ......................................................................................................................... 172

9.6.2 Services ............................................................................................................................. 173

9.6.3 IP Address ......................................................................................................................... 174

9.7

W AKE ON -LAN ........................................................................................................................... 175

9.8

U PDATE S OFTWARE ..................................................................................................................... 176

9.9

R EBOOT ....................................................................................................................................... 177

APPENDIX A - FIREWALL ............................................................................................................. 178

APPENDIX B - PIN ASSIGNMENTS .............................................................................................. 181

APPENDIX C – SPECIFICATIONS ................................................................................................ 182

APPENDIX D - SSH CLIENT .......................................................................................................... 184

APPENDIX E - PRINTER SERVER................................................................................................ 185

APPENDIX F - CONNECTION SETUP .......................................................................................... 192

5

Chapter 1 Introduction

NexusLink 3241u/3241eu is a Multi-DSL bonding IAD. It not only provides both

ADSL and VDSL but also supports xDSL bonding for extend WAN access bandwidth.

Integrated 5 Giga Ethernet ports and WLAN 802.11n 2.4GHz frequency band and

802.11ac 5GHz Frequency band. Therefore, NexusLink 3241u/3241eu is designed for high speed applications and is suitable for triple play services.

NL-3241eu : ADSL2+ (Annex B): single line and bonding

NL-3241u : ADSL2+ (Annex A): single line and bonding

6

Chapter 2 Installation

2.1 Hardware Setup

Follow the instructions below to complete the hardware setup.

Non-stackable

This device is not stackable – do not place units on top of each other, otherwise damage could occur.

BACK PANEL

The figure below shows the back panel of the device.

Power ON

Press the power button to the OFF position (OUT). Connect the power adapter to the power port. Attach the power adapter to a wall outlet or other AC source. Press the power button to the ON position (IN). If the Power LED displays as expected then the device is ready for setup (see section 2.2 LED Indicators ).

Caution 1: If the device fails to power up, or it malfunctions, first verify that the power cords are connected securely and then power it on again. If the problem persists, contact technical support.

Caution 2: Before servicing or disassembling this equipment, disconnect all power cords and telephone lines from their outlets.

Reset Button

Restore the default parameters of the device by pressing the Reset button for 10 seconds. After the device has rebooted successfully, the front panel should display as expected (see section 2.2 LED Indicators for details).

NOTE: If pressed down for more than 60 seconds, the NexusLink 3241u/3241eu will go into a firmware update state (CFE boot mode). The firmware can then be updated using an Internet browser pointed to the default IP address.

7

Phone Ports

For VoIP service, connect telephone(s) to these ports with RJ11 cables.

ETH WAN PORT

This port is designated to be used for Ethernet WAN functionality only. Use

1000-BASE-T RJ-45 cables to connect to Gigabit WAN server, or 10/100BASE-T

RJ-45 cables for standard network usage. This ports is auto-sensing MDI/X; so either straight-through or crossover cable can be used.

Ethernet (LAN) Ports

Use 1000-BASE-T RJ-45 cables to connect up to four network devices to a Gigabit

LAN, or 10/100BASE-T RJ-45 cables for standard network usage. These ports are auto-sensing MDI/X; so either straight-through or crossover cable can be used.

USB Host Port (Type A)

A USB host port supports compatible printers (See Appendix E for setup instructions) or storage devices. If a storage device is connected to the USB host port, it can be used to stream the DLNA service. Support for other devices may be added in future firmware upgrades.

DSL Port

Connect to an ADSL2/2+ or VDSL RJ11 port or bonding xDSL RJ14 port.

FRONT PANEL

WPS Button

Press this button to begin searching for WPS clients. These clients must also enable

WPS push button mode (see 6.3 WPS 5GHz or 6.11 WPS 2.4GHz

for instructions).

WiFi Button

Press and release the Wi-Fi button to enable/disable the wireless LAN (WLAN).

8

2.2 LED Indicators

The front panel LED indicators are shown below and explained in the following table.

This information can be used to check the status of the device and its connections.

LED

POWER

PHONE 1

PHONE 2

ETH WAN

ETH 4 to 1

WPS

Color

GREEN

RED

GREEN

GREEN

GREEN

ORANGE

GREEN

ORANGE

GREEN

ORANGE

Mode Function

On The device is powered up.

Off The device is powered down.

Blink Software upgrade is being upgraded.

On

POST (Power On Self Test) failure or other malfunction. A malfunction is any error of internal sequence or state that will prevent the device from connecting to the

DSLAM or passing customer data.

On An FXS port is off hook.

Off An FXS port is on hook.

On An FXS port is off hook.

Off An FXS port is on hook.

On WAN is connected at 1000 Mbps.

Off Ethernet WAN is not connected.

Blink In TX/RX over 1000 Mbps

On Ethernet is connected at 10/100 Mbps.

Off Ethernet WAN is not connected.

Blink In TX/RX over 10/100 Mbps.

On Ethernet is connected at 1000 Mbps.

Off Ethernet is not connected.

Blink In TX/RX over 1000 Mbps.

On Ethernet is connected at 10/100 Mbps.

Off Ethernet is not connected.

Blink In TX/RX over 10/100 Mbps.

On WPS(2.4G) WPS enabled and client connected to WLAN.

Off WPS(2.4G) WPS disabled.

Blink WPS(2.4G) WPS connection in progress,

120 seconds or until client connected.

On WPS(5G WPS enabled and client connected to WLAN.

Off WPS(5G) WPS disabled.

Blink WPS(5G) WPS connection in progress,

120 seconds or until client connected.

9

WiFi

2.4G

WiFi

5G

DSL 1

DSL 2

INTERNET

GREEN

GREEN

GREEN

GREEN

GREEN

RED

On The wireless module is ready.

(i.e. installed and enabled).

Off

The wireless module is not ready.

(i.e. either not installed or disabled).

Blink Data transmitting or receiving over

WLAN.

On The wireless module is ready.

(i.e. installed and enabled).

Off

The wireless module is not ready.

(i.e. either not installed or disabled).

Blink Data transmitting or receiving over

WLAN.

On xDSL Link is established.

Off The device is powered down.

Blink The xDSL link is training or some traffic is passing through xDSL.

On xDSL Link is established.

Off The device is powered down.

Blink The xDSL link is training or some traffic is passing through xDSL.

On IP connected and no traffic detected. If an IP or PPPoE session is dropped due to an idle timeout, the light will remain green if an ADSL connection is still present.

Off Modem power off, modem in bridged mode or ADSL connection not present.

Blink IP connected and IP Traffic is passing thru the device (either direction).

On

Device attempted to become IP connected and failed (no DHCP response, no PPPoE response, PPPoE authentication failed, no IP address from IPCP, etc.)

10

Chapter 3 Web User Interface

This section describes how to access the device via the web user interface (WUI) using an Internet browser such as Internet Explorer (version 5.0 and later).

3.1 Default Settings

The factory default settings of this device are summarized below.

 LAN IP address: 192.168.1.1

 LAN subnet mask: 255.255.255.0

 Administrative access (username: root , password: 12345 )

 User access (username: user , password: user )

 Remote (WAN) access (username: support , password: support )

 WLAN access: enabled

Technical Note

During power on, the device initializes all settings to default values. It will then read the configuration profile from the permanent storage section of flash memory.

The default attributes are overwritten when identical attributes with different values are configured. The configuration profile in permanent storage can be created via the web user interface or telnet user interface, or other management protocols.

The factory default configuration can be restored either by pushing the reset button for more than ten seconds until the power indicates LED blinking or by clicking the

Restore Default Configuration option in the Restore Settings screen.

11

3.2 IP Configuration

DHCP MODE

When the NexusLink 3241u/3241eu powers up, the onboard DHCP server will switch on. Basically, the DHCP server issues and reserves IP addresses for LAN devices, such as your PC.

To obtain an IP address from the DCHP server, follow the steps provided below.

NOTE: The following procedure assumes you are running Windows. However, the general steps involved are similar for most operating systems (OS).

Check your OS support documentation for further details.

STEP 1 : From the Network Connections window, open Local Area Connection ( You may also access this screen by double-clicking the Local Area Connection icon on your taskbar ). Click the Properties button.

STEP 2 : Select Internet Protocol (TCP/IP) and click the Properties button.

STEP 3: Select Obtain an IP address automatically as shown below.

STEP 4: Click OK to submit these settings.

If you experience difficulty with DHCP mode, you can try static IP mode instead.

12

STATIC IP MODE

In static IP mode, you assign IP settings to your PC manually.

Follow these steps to configure your PC IP address to use subnet 192.168.1.x.

NOTE: The following procedure assumes you are running Windows. However, the general steps involved are similar for most operating systems (OS).

Check your OS support documentation for further details.

STEP 1 : From the Network Connections window, open Local Area Connection ( You may also access this screen by double-clicking the Local Area Connection icon on your taskbar ). Click the Properties button.

STEP 2 : Select Internet Protocol (TCP/IP) and click the Properties button.

STEP 3: Change the IP address to the 192.168.1.x (1<x<255) subnet with subnet mask of 255.255.255.0. The screen should now display as shown below.

STEP 4: Click OK to submit these settings.

13

3.3 Login Procedure

Perform the following steps to login to the web user interface.

NOTE: The default settings can be found in section 3.1 Default Settings .

STEP 1: Start the Internet browser and enter the default IP address for the device in the Web address field. For example, if the default IP address is

192.168.1.1, type http://192.168.1.1.

NOTE: For local administration (i.e. LAN access), the PC running the browser must be attached to the Ethernet, and not necessarily to the device.

For remote access (i.e. WAN), use the IP address shown on the Device

Information screen and login with remote username and password.

STEP 2: A dialog box will appear, such as the one below. Enter the default username and password, as defined in section 3.1 Default Settings .

Click OK to continue.

NOTE: The login password can be changed later (see section 9.6.1 Passwords ).

14

STEP 3: After successfully logging in for the first time, you will reach this screen.

15

Chapter 4 Device Information

The web user interface window is divided into two frames, the main menu (on the left) and the display screen (on the right). The main menu has several options and selecting each of these options opens a submenu with more selections.

NOTE: The menu items shown are based upon the configured connection(s) and user account privileges. For example, user account has limited access to configuration modification.

Device Info is the first selection on the main menu so it will be discussed first.

Subsequent chapters will introduce the other main menu options in sequence.

The Device Info Summary screen displays at startup.

This screen shows hardware, software, IP settings and other related information.

16

4.1 WAN

Select WAN from the Device Info submenu to display the configured PVC(s).

Heading

Interface

Description

Type

VlanMuxId

IPv6

Igmp Pxy

Igmp Src Enbl

MLD Pxy

MLD Src Enbl

NAT

Firewall

Status

IPv4 Address

IPv6 Address

Description

Name of the interface for WAN

Name of the WAN connection

Shows the connection type

Shows 802.1Q VLAN ID

Shows WAN IPv6 status

Shows Internet Group Management Protocol (IGMP) proxy status

Shows the status of WAN interface used as IGMP source

Shows Multicast Listener Discovery (MLD) proxy status

Shows the status of WAN interface used as MLD source

Shows Network Address Translation (NAT) status

Shows the status of Firewall

Lists the status of DSL link

Shows WAN IPv4 address

Shows WAN IPv6 address

17

4.2 Statistics

This selection provides LAN, WAN, ATM and xDSL statistics.

NOTE: These screens are updated automatically every 15 seconds.

Click Reset Statistics to perform a manual update.

4.2.1 LAN Statistics

This screen shows data traffic statistics for each LAN interface.

Heading

Interface

Received/Transmitted: - Bytes

- Pkts

- Errs

- Drops

Description

LAN interface(s)

Number of Bytes

Number of Packets

Number of packets with errors

Number of dropped packets

18

4.2.2 WAN Service

This screen shows data traffic statistics for each WAN interface.

Heading

Interface

Description

Received/Transmitted - Bytes

- Pkts

- Errs

-

Drops

Description

WAN interfaces

WAN service label

Number of Bytes

Number of Packets

Number of packets with errors

Number of dropped packets

19

4.2.3 XTM Statistics

The following figure shows ATM (Asynchronous Transfer Mode)/PTM (Packet

Transfer Mode) statistics.

XTM Interface Statistics

Heading Description

Port Number

In Octets

ATM PORT (0-1)

Number of octets received over the interface

Out Octets

In Packets

Out Packets

In OAM Cells

Number of octets transmitted over the interface

Number of packets received over the interface

Number of packets transmitted over the interface

Number of OAM Cells received over the interface

Out OAM Cells Number of OAM Cells transmitted over the interface

In ASM Cells Number of ASM Cells received over the interface

Out ASM Cells Number of ASM Cells transmitted over the interface

In Packet Errors Number of packets in Error

In Cell Errors Number of cells in Error

20

4.2.4 xDSL Statistics

The xDSL Statistics screen displays information corresponding to the xDSL type.

The two examples below (VDSL & ADSL) show this variation.

VDSL

21

ADSL

Click the Reset Statistics button to refresh this screen.

Field Description

Mode

Traffic Type

VDSL, VDSL2

ATM, PTM

Status

Link Power State phyR Status

Lists the status of the DSL link

Link output power state

Shows the status of PhyR™ (Physical Layer

Re-Transmission) impulse noise protection

22

M

T

R

S

L

D

I

Field

Line Coding (Trellis)

Description

Trellis On/Off

SNR Margin (0.1 dB) Signal to Noise Ratio (SNR) margin

Attenuation (0.1 dB) Estimate of average loop attenuation in the downstream direction

Output Power

(0.1 dBm)

Total upstream output power

Attainable Rate (Kbps) The sync rate you would obtain

Rate (Kbps) Current sync rates downstream/upstream

In VDSL mode, the following section is inserted.

MSGc Number of bytes in overhead channel message

B Number of bytes in Mux Data Frame

Number of Mux Data Frames in a RS codeword

Number of Mux Data Frames in an OH sub-frame

Number of redundancy bytes in the RS codeword

Number of data symbols the RS codeword spans

Number of bits transmitted in each data symbol

The interleaver depth

The interleaver block size in bytes

N

Delay

RS codeword size

The delay in milliseconds (msec)

INP

Super Frames

DMT symbol

Super Frame Errors

RS Words

Total number of super frames

Number of super frames received with errors

Total number of Reed-Solomon code errors

RS Correctable Errors Total Number of RS with correctable errors

RS Uncorrectable Errors Total Number of RS words with uncorrectable errors

OH Frames Total number of OH frames

OH Frame Errors

RS Words

Number of OH frames received with errors

Total number of Reed-Solomon code errors

RS Correctable Errors Total Number of RS with correctable errors

RS Uncorrectable Errors Total Number of RS words with uncorrectable errors

HEC Errors Total Number of Header Error Checksum errors

OCD Errors

LCD Errors

Total Number of Out-of-Cell Delineation errors

Total number of Loss of Cell Delineation

Total Cells

Data Cells

Bit Errors

Total number of ATM cells (including idle + data cells)

Total number of ATM data cells

Total number of bit errors

23

Total ES

Total SES

Total UAS

Total Number of Errored Seconds

Total Number of Severely Errored Seconds

Total Number of Unavailable Seconds xDSL BER TEST

Click xDSL BER Test on the xDSL Statistics screen to test the Bit Error Rate (BER).

A small pop-up window will open after the button is pressed, as shown below.

Click Start to start the test or click Close to cancel the test. After the BER testing is complete, the pop-up window will display as follows.

24

xDSL TONE GRAPH

Click Draw Graph on the xDSL Statistics screen and a pop-up window will display the xDSL statistics graph, including SNR, Bits per tone, QLN and Hlog of the xDSL line connection, as shown below.

25

4.3 Route

Choose Route to display the routes that the NexusLink 3241u/3241eu has found.

Field

Destination

Gateway

Description

Destination network or destination host

Next hop IP address

Subnet Mask Subnet Mask of Destination

Flag

Metric

U: route is up

!: reject route

G: use gateway

H: target is a host

R: reinstate route for dynamic routing

D: dynamically installed by daemon or redirect

M: modified from routing daemon or redirect

The 'distance' to the target (usually counted in hops). It is not used by recent kernels, but may be needed by routing daemons.

Service

Interface

Shows the WAN connection label

Shows connection interfaces

26

4.4 ARP

Click ARP to display the ARP information.

Field

IP address

Flags

HW Address

Device

Description

Shows IP address of host PC

Complete, Incomplete, Permanent, or Publish

Shows the MAC address of host PC

Shows the connection interface

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4.5 DHCP

Click DHCP to display all DHCP Leases.

Field

Hostname

Description

Shows the device/host/PC network name

MAC Address Shows the Ethernet MAC address of the device/host/PC

IP Address Shows IP address of device/host/PC

Expires In Shows how much time is left for each DHCP Lease

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Field Description

IPv6 Address Shows IP address of device/host/PC

MAC Address Shows the Ethernet MAC address of the device/host/PC

Duration

Expires In

Shows leased time in hours

Shows how much time is left for each DHCP Lease

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4.6 NAT Session

This page displays all NAT connection session including both UPD/TCP protocols passing through the device.

Click the “Show All” button to display the following.

Field

Source IP

Description

The source IP from which the NAT session is established

Source Port The source port from which the NAT session is established

Destination IP The IP which the NAT session was connected to

Destination Port The port which the NAT session was connected to

Protocol

Timeout

The Protocol used in establishing the particular NAT session

The time remaining for the TCP/UDP connection to be active

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4.7 IGMP Info

Click IGMP Info to display the list of IGMP entries broadcasting through the IGMP proxy enabled WAN connection.

Field Description

Interface The Source interface from which the IGMP report was received

WAN

Groups

The WAN interface from which the multicast traffic is received

The destination IGMP group address

Member The Source IP from which the IGMP report was received

Timeout The time remaining before the IGMP report expires

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4.8 IPv6

4.8.1 IPv6 Info

Click IPv6 Info to display the IPv6 WAN connection info.

Field

Interface

Status

Description

WAN interface with IPv6 enabled

Connection status of the WAN interface

Address

Prefix

IPv6 Address of the WAN interface

Prefix received/configured on the WAN interface

Device Link-local Address The CPE's LAN Address

Default IPv6 Gateway The default WAN IPv6 gateway

IPv6 DNS Server The IPv6 DNS servers received from the WAN interface / configured manually

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4.8.2 IPv6 Neighbor

Click IPv6 Neighbor to display the list of IPv6 nodes discovered.

Field

IPv6 Address

Flags

HW Address

Device

Description

Ipv6 address of the device(s) found

Status of the neighbor device

MAC address of the neighbor device

Interface from which the device is located

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4.8.3 IPv6 Route

Click IPv6 Route to display the IPv6 route info.

Field

Destination

Gateway

Metric

Interface

Description

Destination IP Address

Gateway address used for destination IP

Metric specified for gateway

Interface used for destination IP

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4.9 CPU & Memory

Displays the system performance graphs. Shows the current loading of the CPU and memory usage with dynamic updates.

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Chapter 5 Advanced Setup

5.1 Layer 2 Interface

The ATM interface screen is described here.

5.1.1 ATM Interface

Add or remove ATM interface connections here.

Click Add to create a new ATM interface (see Appendix F - Connection Setup ).

NOTE: Up to 16 ATM interfaces can be created and saved in flash memory.

To remove a connection, select its Remove column radio button and click Remove .

5.1.2 PTM Interface

Add or remove PTM interface connections here.

Click Add to create a new connection (see Appendix F - Connection Setup ). To remove a connection, select its Remove column radio button and click Remove .

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5.1.3 ETH Interface

This screen displays the Ethernet WAN Interface configuration.

Click Add to create a new connection (see Appendix F - Connection Setup ).

NOTE : One Ethernet WAN interface can be created and saved in flash memory.

To remove a connection, select its Remove column radio button and click remove.

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5.2 WAN Service

This screen allows for the configuration of WAN interfaces.

Click the Add button to create a new connection. For connections on ATM or ETH

WAN interfaces see Appendix F - Connection Setup .

NOTE : In Default Mode, up to 16 WAN connections can be configured; while

VLAN Mux Connection Mode supports up to 16 WAN connections.

To remove a connection, select its Remove column radio button and click Remove.

Heading Description

Interface

Description

Type

Vlan8021p

Name of the interface for WAN

Name of the WAN connection

Shows the connection type

VLAN ID is used for VLAN Tagging (IEEE 802.1Q)

VlanMuxId

VlanTpid

IGMP Proxy

Shows 802.1Q VLAN ID

VLAN Tag Protocol Identifier

Shows Internet Group Management Protocol (IGMP) Proxy status

IGMP Source

NAT

Firewall

IPv6

MLD Proxy

Shows the status of WAN interface used as IGMP source

Shows Network Address Translation (NAT) status

Shows the Security status

Shows the WAN IPv6 address

Shows Multicast Listener Discovery (MLD) Proxy status

Mld Source

Remove

Shows the status of WAN interface used as MLD source

Select interfaces to remove

Edit Click the Edit button to make changes to the WAN interface.

To remove a connection, select its Remove column radio button and click Remove.

To Add a new WAN connection, click the Add button and follow the instructions.

NOTE: Up to 16 PVC profiles can be configured and saved in flash memory.

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5.3 LAN

Configure the LAN interface settings and then click Apply/Save .

Consult the field descriptions below for more details.

GroupName: Select an Interface Group.

1 st LAN INTERFACE

IP Address: Enter the IP address for the LAN port.

Subnet Mask: Enter the subnet mask for the LAN port.

Enable IGMP Snooping: Enable by ticking the checkbox  .

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Standard Mode: In standard mode, multicast traffic will flood to all

bridge ports when no client subscribes to a multicast

group – even if IGMP snooping is enabled.

Blocking Mode: In blocking mode, the multicast data traffic will be

blocked and not flood to all bridge ports when there are

no client subscriptions to any multicast group.

Enable IGMP LAN to LAN Multicast: Select Enable from the drop-down menu to allow IGMP LAN to LAN Multicast forwarding

Enable LAN side firewall: Enable by ticking the checkbox  .

DHCP Server: To enable DHCP, select Enable DHCP server and enter Start and

End IP addresses and the Leased Time. This setting configures the router to automatically assign IP, default gateway and DNS server addresses to every PC on your LAN.

Static IP Lease List: A maximum of 32 entries can be configured.

To add an entry, enter MAC address and Static IP and then click Save/Apply .

To remove an entry, tick the corresponding checkbox  in the Remove column and then click the Remove Entries button, as shown below.

DHCP Server Relay : Enable with checkbox  and enter DHCP Server IP address.

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2 ND LAN INTERFACE

To configure a secondary IP address, tick the checkbox  outlined (in RED ) below.

IP Address: Enter the secondary IP address for the LAN port.

Subnet Mask: Enter the secondary subnet mask for the LAN port.

Ethernet Media Type:

Configure auto negotiation, or enforce selected speed and duplex mode for each

Ethernet port.

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5.3.1 LAN IPv6 Autoconfig

Configure the LAN interface settings and then click Save/Apply .

Consult the field descriptions below for more details.

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LAN IPv6 Link-Local Address Configuration

Heading

EUI-64

Description

Use EUI-64 algorithm to calculate link-local address from MAC address

User Setting Use the Interface Identifier field to define a link-local address

Static LAN IPv6 Address Configuration

Heading

Interface Address

(prefix length is required):

Description

Configure static LAN IPv6 address and subnet prefix length

IPv6 LAN Applications

Heading

Stateless

Description

Use stateless configuration

Refresh Time (sec):

Stateful

The information refresh time option specifies how long a client should wait before refreshing information retrieved from DHCPv6

Use stateful configuration

Start interface ID:

End interface ID:

Start of interface ID to be assigned to dhcpv6 client

End of interface ID to be assigned to dhcpv6 client

Leased Time (hour): Lease time for dhcpv6 client to use the assigned IP address

Static IP Lease List: A maximum of 32 entries can be configured.

To add an entry, enter MAC address and Static IP and then click Apply/Save .

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To remove an entry, tick the corresponding checkbox  in the Remove column and then click the Remove Entries button, as shown below.

Heading

Enable RADVD

RA interval Min(sec):

RA interval Max(sec):

Description

Enable use of router advertisement daemon

Minimum time to send router advertisement

Maximum time to send router advertisement

Reachable Time(ms):

Default Preference:

MTU (bytes):

Enable Prefix Length Relay

The time, in milliseconds that a neighbor is reachable after receiving reachability confirmation

Preference level associated with the default router

MTU value used in router advertisement messages to insure that all nodes on a link use the same MTU value

Use prefix length receive from WAN interface

Enable Configuration Mode Manually configure prefix, prefix length, preferred lifetime and valid lifetime used in router advertisement

Enable ULA Prefix Advertisement Allow RADVD to advertise Unique Local Address

Randomly Generate

Prefix

Use a Randomly Generated Prefix

Statically Configure Specify the prefix to be used

Prefix

Preferred Life Time (hour)

Valid Life Time (hour)

The prefix to be used

The preferred life time for this prefix

The valid life time for this prefix

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Heading Description

Enable MLD Snooping Enable/disable IPv6 multicast forward to LAN ports

Enable MLD LAN to LAN Multicast Enable/Disable Multicast Listener Discovery between LAN ports for IPv6.

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5.3.2 Static IP Neighbor

Click the Add button to display the following.

Heading

IP Version

IP Address

MAC Address

Associated Interface

Description

The IP version used for the neighbor device

Define the IP Address for the neighbor device

The MAC Address of the neighbor device

The interface where the neighbor device is located

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5.4 NAT

To display this option, NAT must be enabled in at least one PVC shown in Chapter 5

Advanced Setup . NAT is not an available option in Bridge mode .

5.4.1 Virtual Servers

Virtual Servers allow you to direct incoming traffic from the WAN side (identified by

Protocol and External port) to the internal server with private IP addresses on the

LAN side. The Internal port is required only if the external port needs to be converted to a different port number used by the server on the LAN side.

A maximum of 32 entries can be configured.

To add a Virtual Server, click Add . The following will be displayed.

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Consult the table below for field and header descriptions.

Field/Header Description

Choose All Interface Virtual server rules will be created for all WAN interfaces.

Choose One

Interface

Use Interface

Use Interface

Select a WAN interface from the drop-down menu.

Select a Service

Or

Custom Service

Select a WAN interface from the drop-down box.

User should select the service from the list.

Or

User can enter the name of their choice.

Server IP Address Enter the IP address for the server.

Enable NAT

Loopback

Allows local machines to access virtual server via WAN IP

Address.

External Port Start Enter the starting external port number (when you select

Custom Server). When a service is selected, the port ranges are automatically configured.

External Port End

Protocol

Enter the ending external port number (when you select

Custom Server). When a service is selected, the port ranges are automatically configured.

TCP, TCP/UDP, or UDP.

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Field/Header

Internal Port End

Description

Internal Port Start Enter the internal port starting number (when you select

Custom Server). When a service is selected the port ranges are automatically configured

Enter the internal port ending number (when you select

Custom Server). When a service is selected, the port ranges are automatically configured.

5.4.2 Port Triggering

Some applications require that specific ports in the firewall be opened for access by the remote parties. Port Triggers dynamically 'Open Ports' in the firewall when an application on the LAN initiates a TCP/UDP connection to a remote party using the

'Triggering Ports'. The Router allows the remote party from the WAN side to establish new connections back to the application on the LAN side using the 'Open

Ports'. A maximum 32 entries can be configured.

To add a Trigger Port, click Add . The following will be displayed.

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Consult the table below for field and header descriptions.

Field/Header Description

Use Interface

Select an Application

Or

Custom Application

Trigger Port Start

Select a WAN interface from the drop-down box.

User should select the application from the list.

Or

User can enter the name of their choice.

Trigger Port End

Trigger Protocol

Open Port Start

Enter the starting trigger port number (when you select custom application). When an application is selected, the port ranges are automatically configured.

Enter the ending trigger port number (when you select custom application). When an application is selected, the port ranges are automatically configured.

TCP, TCP/UDP, or UDP.

Open Port End

Open Protocol

Enter the starting open port number (when you select custom application). When an application is selected, the port ranges are automatically configured.

Enter the ending open port number (when you select custom application). When an application is selected, the port ranges are automatically configured.

TCP, TCP/UDP, or UDP.

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5.4.3 DMZ Host

The DSL router will forward IP packets from the WAN that do not belong to any of the applications configured in the Virtual Servers table to the DMZ host computer.

To Activate the DMZ host, enter the DMZ host IP address and click Save/Apply .

To Deactivate the DMZ host, clear the IP address field and click Save/Apply .

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5.4.4 IP Address Map

Mapping Local IP (LAN IP) to some specified Public IP (WAN IP).

Consult the table below for field and header descriptions.

Field/Header

Rule

Type

Local Start IP

Local End IP

Public Start IP

Public End IP

Remove

Description

The number of the rule

Mapping type from local to public.

The beginning of the local IP

The ending of the local IP

The beginning of the public IP

The ending of the public IP

Remove this rule

Click the Add button to display the following screen.

Select a Service, then click the Save/Apply button.

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One to One: mapping one local IP to a specific public IP

Many to One: mapping a range of local IP to a specific public IP

Many to Many(Overload): mapping a range of local IP to a different range of public IP

Many to Many(No Overload): mapping a range of local IP to a same range of public IP

5.4.5 ALG/Pass-Through

Support ALG Pass-through for the listed protocols.

To allow/deny the corresponding ALG protocol, select Enable / Disable and then click the Save button. After reboot, the protocol will be added/removed from the system module.

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5.5 Security

To display this function, you must enable the firewall feature in WAN Setup.

For detailed descriptions, with examples, please consult Appendix A - Firewall .

5.5.1 IP Filtering

This screen sets filter rules that limit IP traffic (Outgoing/Incoming). Multiple filter rules can be set and each applies at least one limiting condition. For individual IP packets to pass the filter all conditions must be fulfilled.

NOTE: This function is not available when in bridge mode. Instead, 5.5.2 MAC

Filtering performs a similar function.

OUTGOING IP FILTER

By default, all outgoing IP traffic is allowed, but IP traffic can be blocked with filters.

To add a filter (to block some outgoing IP traffic), click the Add button.

On the following screen, enter your filter criteria and then click Apply/Save .

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Consult the table below for field descriptions.

Field Description

Filter Name

IP Version

The filter rule label.

IPv4 selected by default.

Protocol

Source IP address

TCP, TCP/UDP, UDP, or ICMP.

Enter source IP address.

Source Port (port or port:port) Enter source port number or range.

Destination IP address Enter destination IP address.

Destination Port (port or port:port) Enter destination port number or range.

INCOMING IP FILTER

By default, all incoming IP traffic is blocked, but IP traffic can be allowed with filters.

To add a filter (to allow incoming IP traffic), click the Add button.

On the following screen, enter your filter criteria and then click Apply/Save .

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Consult the table below for field descriptions.

Field Description

Filter Name

IP Version

The filter rule label

IPv4 selected by default.

Protocol

Policy

TCP, TCP/UDP, UDP, or ICMP.

Permit/Drop packets specified by the firewall rule.

Enter source IP address. Source IP address

Source Port (port or port:port)

Destination IP address

Enter source port number or range.

Enter destination IP address.

Destination Port (port or port:port) Enter destination port number or range.

At the bottom of this screen, select the WAN and LAN Interfaces to which the filter rule will apply. You may select all or just a subset. WAN interfaces in bridge mode or without firewall enabled are not available.

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Denial of Service

Denial of Services currently provides Syn-flood protection, furtive port scanner protection and Ping of death protection. This web page allows you to activate/de-activate them and to set the maximum average limit (packet per second) and the maximum burst (packet amount) for each protection.

Click the Apply/Save button to save and (de)activate the protection.

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5.5.2 MAC Filtering

NOTE: This option is only available in bridge mode. Other modes use 5.5.1 IP

Filtering to perform a similar function.

Each network device has a unique 48-bit MAC address. This can be used to filter

(block or forward) packets based on the originating device. MAC filtering policy and rules for the AR-5381u can be set according to the following procedure.

The MAC Filtering Global Policy is defined as follows. FORWARDED means that all

MAC layer frames will be FORWARDED except those matching the MAC filter rules.

BLOCKED means that all MAC layer frames will be BLOCKED except those matching the MAC filter rules. The default MAC Filtering Global policy is

FORWARDED . It can be changed by clicking the Change Policy button.

Choose Add or Remove to configure MAC filtering rules. The following screen will appear when you click Add . Create a filter to identify the MAC layer frames by specifying at least one condition below. If multiple conditions are specified, all of them must be met. Click Save/Apply to save and activate the filter rule.

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Consult the table below for detailed field descriptions.

Field Description

Protocol Type PPPoE, IPv4, IPv6, AppleTalk, IPX, NetBEUI, IGMP

Destination MAC Address Defines the destination MAC address

Source MAC Address

Frame Direction

WAN Interfaces

Defines the source MAC address

Select the incoming/outgoing packet interface

Applies the filter to the selected bridge interface

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5.6 Parental Control

This selection provides WAN access control functionality.

5.6.1 Time Restriction

This feature restricts access from a LAN device to an outside network through the device on selected days at certain times. Make sure to activate the Internet Time server synchronization as described in 9.5 Internet Time , so that the scheduled times match your local time.

Click Add to display the following screen.

See below for field descriptions. Click Apply/Save to add a time restriction.

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User Name: A user-defined label for this restriction.

Browser's MAC Address: MAC address of the PC running the browser.

Other MAC Address: MAC address of another LAN device.

Days of the Week: The days the restrictions apply.

Start Blocking Time: The time the restrictions start.

End Blocking Time: The time the restrictions end.

5.6.2 URL Filter

This screen allows for the creation of a filter rule for access rights to websites based on their URL address and port number.

Select URL List Type: Exclude or Include.

Tick the Exclude radio button to deny access to the websites listed.

Tick the Include radio button to restrict access to only those listed websites.

Then click Add to display the following screen.

Enter the URL address and port number then click Apply/Save to add the entry to the URL filter. URL Addresses begin with “www”, as shown in this example.

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A maximum of 100 entries can be added to the URL Filter list.

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5.7 Quality of Service (QoS)

NOTE : QoS must be enabled in at least one PVC to display this option.

(See Appendix F - Connection Setup for detailed PVC setup instructions).

5.7.1 Queue Management Configuration

To Enable QoS tick the checkbox  and select a Default DSCP Mark.

Click Apply/Save to activate QoS.

QoS and DSCP Mark are defined as follows:

Quality of Service (QoS): This provides different priority to different users or data flows, or guarantees a certain level of performance to a data flow in accordance with requests from Queue Prioritization.

Default Differentiated Services Code Point (DSCP) Mark: This specifies the per hop behavior for a given flow of packets in the Internet Protocol (IP) header that do not match any other QoS rule.

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5.7.2 QoS Queue

5.7.2.1 Queue Configuration

This function follows the Differentiated Services rule of IP QoS. You can create a new

Queue entry by clicking the Add button. Enable and assign an interface and precedence on the next screen. Click Save/Reboot on this screen to activate it.

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Click Enable to activate the QoS Queue. Click Add to display the following screen.

65

Name: Identifier for this Queue entry.

Enable: Enable/Disable the Queue entry.

Interface: Assign the entry to a specific network interface (QoS enabled).

66

5.7.2.2 Wlan Queue

Displays the list of available wireless queues for WMM and wireless data transmit priority.

67

5.7.3 QoS Classification

The network traffic classes are listed in the following table.

Click Add to configure a network traffic class rule and Enable to activate it. To delete an entry from the list, click Remove .

This screen creates a traffic class rule to classify the upstream traffic, assign queuing priority and optionally overwrite the IP header DSCP byte. A rule consists of a class name and at least one logical condition. All the conditions specified in the rule must be satisfied for it to take effect.

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Field

Traffic Class Name

Rule Order

Description

Enter a name for the traffic class.

Last is the only option.

Rule Status

Classification Criteria

Disable or enable the rule.

Ingress Interface Select an interface: (i.e. LAN, WAN, local, eth1, eth2, eth3, eth4, eth5, wl0, wl1)

Set the Ethernet type (e.g. IP, ARP, IPv6). Ether Type

Source MAC Address A packet belongs to SET-1, if a binary-AND of its source

MAC address with the Source MAC Mask is equal to the binary-AND of the Source MAC Mask and this field.

Source MAC Mask This is the mask used to decide how many bits are checked in Source MAC Address.

Destination MAC

Address

A packet belongs to SET-1 then the result that the

Destination MAC Address of its header binary-AND to the

Destination MAC Mask must equal to the result that this field binary-AND to the Destination MAC Mask.

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Field

Destination MAC

Mask

Classification Results

Description

This is the mask used to decide how many bits are checked in Destination MAC Address.

Specify Egress

Interface

Choose the egress interface from the available list.

Specify Egress Queue Choose the egress queue from the list of available for the specified egress interface.

Mark Differentiated

Service Code Point

The selected Code Point gives the corresponding priority to packets that satisfy the rule.

Mark 802.1p Priority Select between 0-7.

- Class non-vlan packets egress to a non-vlan interface will be tagged with VID 0 and the class rule p-bits.

- Class vlan packets egress to a non-vlan interface will have the packet p-bits re-marked by the class rule p-bits.

No additional vlan tag is added.

- Class non-vlan packets egress to a vlan interface will be tagged with the interface VID and the class rule p-bits.

- Class vlan packets egress to a vlan interface will be additionally tagged with the packet VID, and the class rule p-bits.

The data transmission rate limit in kbps. Set Rate Limit

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5.7.4 QoS Port Shaping

QoS port shaping supports traffic shaping of the Ethernet interface.

Input the shaping rate and burst size to enforce QoS rule on each interface.

If "Shaping Rate" is set to "-1", it means no shaping and "Burst Size" will be ignored.

Click Apply/Save to apply and save the settings.

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5.8 Routing

These following routing functions are accessed from this menu:

Default Gateway, Static Route, Policy Routing and RIP .

NOTE: In bridge mode, the RIP menu option is hidden while the other menu options are shown but ineffective.

5.8.1 Default Gateway

Default gateway interface list can have multiple WAN interfaces served as system default gateways but only one will be used according to the priority with the first being the highest and the last one the lowest priority if the WAN interface is connected. Priority order can be changed by removing all and adding them back in again.

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5.8.2 Static Route

This option allows for the configuration of static routes by destination IP.

Click Add to create a static route or click Remove to delete a static route.

After clicking Add the following screen will display.

Input the Destination IP Address, select the interface type, Input the Gateway IP,

(and the Metric number if required). Then, click Apply/Save to add an entry to the routing table.

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5.8.3 Policy Routing

This option allows for the configuration of static routes by policy.

Click Add to create a routing policy or Remove to delete one.

On the following screen, complete the form and click Apply/Save to create a policy.

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Field

Policy Name

Physical LAN Port

Source IP

Use Interface

Default Gateway IP

Description

Name of the route policy

Specify the port to use this route policy

IP Address to be routed

Interface that traffic will be directed to

IP Address of the default gateway

5.8.4 RIP

To activate RIP, configure the RIP version/operation mode and select the Enabled checkbox  for at least one WAN interface before clicking Save/Apply .

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5.9 DNS

5.9.1 DNS Server

Select DNS Server Interface from available WAN interfaces OR enter static DNS server IP addresses for the system. In ATM mode, if only a single PVC with IPoA or static IPoE protocol is configured, Static DNS server IP addresses must be entered.

DNS Server Interfaces can have multiple WAN interfaces served as system dns servers but only one will be used according to the priority with the first being the highest and the last one the lowest priority if the WAN interface is connected.

Priority order can be changed by removing all and adding them back in again.

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If is no IPv6 WAN interface is configured, a warning message system will pop up when accessing DNS Server.

5.9.2 Dynamic DNS

The Dynamic DNS service allows you to map a dynamic IP address to a static hostname in any of many domains, allowing the AR-5381u to be more easily accessed from various locations on the Internet.

To add a dynamic DNS service, click Add . The following screen will display.

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Make your settings and click the Apply/Save button.

Consult the table below for field descriptions.

Field Description

D-DNS provider Select a dynamic DNS provider from the list

Hostname

Interface

Username

Password

Enter the name of the dynamic DNS server

Select the interface from the list

Enter the username of the dynamic DNS server

Enter the password of the dynamic DNS server

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5.10 DSL

The DSL Settings screen allows for the selection of DSL modulation modes.

For optimum performance, the modes selected should match those of your ISP.

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DSL Mode

G.Dmt

G.lite

T1.413

ADSL2

AnnexL

Data Transmission Rate - Mbps (Megabits per second)

Downstream: 12 Mbps Upstream: 1.3 Mbps

Downstream: 4 Mbps Upstream: 0.5 Mbps

Downstream: 8 Mbps Upstream: 1.0 Mbps

Downstream: 12 Mbps Upstream: 1.0 Mbps

Supports longer loops but with reduced transmission rates

ADSL2+

AnnexM

Downstream: 24 Mbps

Downstream: 24 Mbps

Upstream: 1.0 Mbps

Upstream: 3.5 Mbps

VDSL2 Downstream: 100 Mbps Upstream: 60 Mbps

VDSL Profile Maximum Downstream Throughput- Mbps (Megabits per second)

8a Downstream 50

8b

8c

8d

12a

Downstream 50

Downstream: 50

Downstream: 50

Downstream: 68

12b

17a

30a

Options

Downstream: 68

Downstream: 100

Downstream: 100 Mbps Upstream: 100 Mbps

US0

Description

Band between 20 and 138 kHz for long loops to upstream

Inner/Outer Pair Select the inner or outer pins of the twisted pair (RJ11 cable)

Bitswap Enable Enables adaptive handshaking functionality

SRA Enable

G997.1 EOC xTU-R Serial

Number

Enables Seamless Rate Adaptation (SRA)

Select Equipment Serial Number or Equipment MAC Address to use router’s serial number or MAC address in ADSL EOC messages

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5.11 DSL Bonding

This page displays the bonding status of the connected xDSL line.

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5.12 UPnP

Select the checkbox  provided and click Apply/Save to enable UPnP protocol.

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5.13 DNS Proxy/Relay

DNS proxy receives DNS queries and forwards DNS queries to the Internet. After the

CPE gets answers from the DNS server, it replies to the LAN clients. Configure DNS proxy with the default setting, when the PC gets an IP via DHCP, the domain name,

Home, will be added to PC’s DNS Suffix Search List, and the PC can access route with

“Comtrend.Home”.

DNS Relay

When DNS Relay is enabled, the router will play a role as DNS server that send request to ISP DNS server and cache the information for later access. When DNS relay is disabled, the computer will pull information from ISP DNS server.

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5.14 Print Server

The AR-5381u can provide printer support through an optional USB2.0 host port.

If your device has this port, refer to Appendix E - Printer Server for detailed setup instructions.

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5.15 DLNA

Enabling DLNA allows users to share digital media, like pictures, music and video, to other LAN devices from the digital media server.

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5.16 Storage Service

Enabling Samba service allows the user to share files on the storage device. Different levels of user access can be configured after samba security mode is enabled. This page also displays storage devices attached to USB host.

Display after storage device attached (for your reference).

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5.17 Interface Grouping

Interface Grouping supports multiple ports to PVC and bridging groups. Each group performs as an independent network. To use this feature, you must create mapping groups with appropriate LAN and WAN interfaces using the Add button.

The Remove button removes mapping groups, returning the ungrouped interfaces to the Default group. Only the default group has an IP interface.

To add an Interface Group, click the Add button. The following screen will appear.

It lists the available and grouped interfaces. Follow the instructions shown onscreen.

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Automatically Add Clients With Following DHCP Vendor IDs:

Add support to automatically map LAN interfaces to PVC's using DHCP vendor ID

(option 60). The local DHCP server will decline and send the requests to a remote

DHCP server by mapping the appropriate LAN interface. This will be turned on when

Interface Grouping is enabled.

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For example, imagine there are 4 PVCs (0/33, 0/36, 0/37, 0/38). VPI/VCI=0/33 is for PPPoE while the other PVCs are for IP set-top box (video). The LAN interfaces are

ENET1, ENET2, ENET3, and ENET4.

The Interface Grouping configuration will be:

1. Default: ENET1, ENET2, ENET3, and ENET4.

2. Video: nas_0_36, nas_0_37, and nas_0_38. The DHCP vendor ID is "Video".

If the onboard DHCP server is running on "Default" and the remote DHCP server is running on PVC 0/36 (i.e. for set-top box use only). LAN side clients can get IP addresses from the CPE's DHCP server and access the Internet via PPPoE (0/33).

If a set-top box is connected to ENET1 and sends a DHCP request with vendor ID

"Video", the local DHCP server will forward this request to the remote DHCP server.

The Interface Grouping configuration will automatically change to the following:

1. Default: ENET2, ENET3, and ENET4

2. Video: nas_0_36, nas_0_37, nas_0_38, and ENET1.

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5.18 IP Tunnel

5.18.1 IPv6inIPv4

Configure 6in4 tunneling to encapsulate IPv6 traffic over explicitly-configured IPv4 links.

Click the Add button to display the following.

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Options Description

Tunnel Name

Mechanism

Associated WAN Interface

Associated LAN Interface

Manual/Automatic

Input a name for the tunnel

Mechanism used by the tunnel deployment

Select the WAN interface to be used by the tunnel

Select the LAN interface to be included in the tunnel

Select automatic for point-to-multipoint tunneling / manual for point-to-point tunneling

IPv4 Mask Length The subnet mask length used for the IPv4 interface

6rd Prefix with Prefix Length Prefix and prefix length used for the IPv6 interface

Border Relay IPv4 Address Input the IPv4 address of the other device

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5.18.2 IPv4inIPv6

Configure 4in6 tunneling to encapsulate IPv4 traffic over an IPv6-only environment.

Click the Add button to display the following.

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Options Description

Tunnel Name

Mechanism

AFTR

Input a name for the tunnel

Mechanism used by the tunnel deployment

Associated WAN Interface Select the WAN interface to be used by the tunnel

Associated LAN Interface Select the LAN interface to be included in the tunnel

Manual/Automatic Select automatic for point-to-multipoint tunneling / manual for point-to-point tunneling

Address of Address Family Translation Router

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5.19 IPSec

You can add, edit or remove IPSec tunnel mode connections from this page.

Click Add New Connection to add a new IPSec termination rule.

The following screen will display.

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IPSec Connection Name User-defined label.

IP Version

Tunnel Mode

Select the corresponding IPv4 / IPv6 version for the IPSEC connection.

Select tunnel protocol, AH (Authentication

Header) or ESP (Encapsulating Security

Payload) for this tunnel.

Local Gateway Interface Select from the list of wan interface to be used as gateway for the IPSEC connection.

Remote IPSec Gateway Address The location of the Remote IPSec Gateway. IP address or domain name can be used.

Tunnel access from local IP addresses

Specify the acceptable host IP on the local side. Choose Single or Subnet .

IP Address/Subnet Mask for VPN If you chose Single , please enter the host IP address for VPN. If you chose Subnet , please enter the subnet information for VPN.

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Tunnel access from remote IP addresses

Specify the acceptable host IP on the remote side. Choose Single or Subnet .

IP Address/Subnet Mask for VPN If you chose Single , please enter the host IP

Key Exchange Method address for VPN. If you chose Subnet , please enter the subnet information for VPN.

Select from Auto(IKE) or Manual

For the Auto(IKE) key exchange method, select Pre-shared key or Certificate (X.509) authentication. For Pre-shared key authentication you must enter a key, while for

Certificate (X.509) authentication you must select a certificate from the list.

See the tables below for a summary of all available options.

Auto(IKE) Key Exchange Method

Pre-Shared Key / Certificate (X.509) Input Pre-shared key / Choose Certificate

Perfect Forward Secrecy Enable or Disable

Advanced IKE Settings Select Show Advanced Settings to reveal the advanced settings options shown below.

Advanced IKE Settings

Phase 1 / Phase 2

Mode

Encryption Algorithm

Integrity Algorithm

Select Diffie-Hellman Group

Select Hide Advanced Settings to hide the advanced settings options shown above.

Choose settings for each phase, the available options are separated with a “/” character.

Main / Aggressive

DES / 3DES / AES 128,192,256

MD5 / SHA1

768 – 8192 bit

Key Life Time Enter your own or use the default (1 hour)

The Manual key exchange method options are summarized in the table below.

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Manual Key Exchange Method

Encryption Algorithm

Encryption Key

Authentication Algorithm

Authentication Key

SPI (default is 101)

DES / 3DES / AES (aes-cbc)

DES: 16 digit Hex, 3DES: 48 digit Hex

MD5 / SHA1

MD5: 32 digit Hex, SHA1: 40 digit Hex

Enter a Hex value from 100-FFFFFFFF

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5.20 Certificate

A certificate is a public key, attached with its owner’s information (company name, server name, personal real name, contact e-mail, postal address, etc) and digital signatures. There will be one or more digital signatures attached to the certificate, indicating that these entities have verified that this certificate is valid.

5.20.1 Local

CREATE CERTIFICATE REQUEST

Click Create Certificate Request to generate a certificate-signing request.

The certificate-signing request can be submitted to the vendor/ISP/ITSP to apply for a certificate. Some information must be included in the certificate-signing request.

Your vendor/ISP/ITSP will ask you to provide the information they require and to provide the information in the format they regulate. Enter the required information and click Apply to generate a private key and a certificate-signing request.

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The following table is provided for your reference.

Field Description

Certificate Name

Common Name

A user-defined name for the certificate.

Usually, the fully qualified domain name for the machine.

Organization Name The exact legal name of your organization.

Do not abbreviate.

State/Province Name The state or province where your organization is located.

It cannot be abbreviated.

Country/Region Name The two-letter ISO abbreviation for your country.

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IMPORT CERTIFICATE

Click Import Certificate to paste the certificate content and the private key provided by your vendor/ISP/ITSP into the corresponding boxes shown below.

Enter a certificate name and click Apply to import the local certificate.

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5.20.2 Trusted CA

CA is an abbreviation for Certificate Authority, which is a part of the X.509 system.

It is itself a certificate, attached with the owner information of this certificate authority; but its purpose is not encryption/decryption. Its purpose is to sign and issue certificates, in order to prove that these certificates are valid.

Click Import Certificate to paste the certificate content of your trusted CA. The

CA certificate content will be provided by your vendor/ISP/ITSP and is used to authenticate the Auto-Configuration Server (ACS) that the CPE will connect to.

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Enter a certificate name and click Apply to import the CA certificate.

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5.21 Multicast

Input new IGMP or MLD protocol configuration fields if you want modify default values shown. Then click Apply/Save .

Multicast Precedence:

Select precedence of multicast packets.

Multicast Strict Grouping Enforcement:

Enable/Disable multicast strict grouping.

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Field

Default Version

Description

Define IGMP using version with video server.

Query Interval

Query Response Interval The query response interval is the maximum amount of time in seconds that the IGMP router waits to receive a response to a General Query message. The query response interval is the Maximum Response

Time field in the IGMP v2 Host Membership Query message header. The default query response interval is 10 seconds and must be less than the query interval.

Last Member Query

Interval

The query interval is the amount of time in seconds between IGMP General Query messages sent by the router (if the router is the querier on this subnet). The default query interval is 125 seconds.

Robustness Value

The last member query interval is the amount of time in seconds that the IGMP router waits to receive a response to a Group-Specific Query message. The last member query interval is also the amount of time in seconds between successive Group-Specific Query messages. The default last member query interval is

10 seconds.

The robustness variable is a way of indicating how susceptible the subnet is to lost packets. IGMP can recover from robustness variable minus 1 lost IGMP packets. The robustness variable should be set to a value of 2 or greater. The default robustness variable value is 2.

Setting the maximum number of Multicast groups. Maximum Multicast

Groups

Maximum Multicast Data

Sources (for IGMPv3)

Define the maximum multicast video stream number.

Maximum Multicast

Group Members

Fast Leave Enable

Setting the maximum number of groups that ports can accept.

When you enable IGMP fast-leave processing, the switch immediately removes a port when it detects an

IGMP version 2 leave message on that port.

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Chapter 6 Wireless

6.1 Basic 5GHz

The Basic option allows you to configure basic features of the wireless LAN interface.

Among other things, you can enable or disable the wireless LAN interface, hide the network from active scans, set the wireless network name (also known as SSID) and restrict the channel set based on country requirements.

Click Apply/Save to configure the basic wireless options.

Consult the table below for descriptions of these options.

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Option

Enable

Wireless

Hide Access

Point

Clients

Isolation

Description

A checkbox  that enables or disables the wireless LAN interface.

When selected, a set of basic wireless options will appear.

Select Hide Access Point to protect the access point from detection by wireless active scans. To view and connect to available wireless networks in Windows, open Connect to a Network by clicking the network icon ( or ) in the notification area. If the access point is hidden, it will not be listed there. To connect a client to a hidden access point, the station must add the access point manually to its wireless configuration.

When enabled, it prevents client PCs from seeing one another in My

Network Places or Network Neighborhood. Also, prevents one wireless client communicating with another wireless client.

Disable

WMM

Stops the router from ‘advertising’ its Wireless Multimedia (WMM) functionality, which provides basic quality of service for time-sensitive

Advertise applications (e.g. VoIP, Video).

Select the checkbox  to enable this function. Enable

Wireless

Multicast

Forwarding

SSID

[1-32 characters]

BSSID

Sets the wireless network name. SSID stands for Service Set

Identifier. All stations must be configured with the correct SSID to access the WLAN. If the SSID does not match, that user will not be granted access.

Country

The BSSID is a 48-bit identity used to identify a particular BSS (Basic

Service Set) within an area. In Infrastructure BSS networks, the

BSSID is the MAC (Media Access Control) address of the AP (Access

Point); and in Independent BSS or ad hoc networks, the BSSID is generated randomly.

A drop-down menu that permits worldwide and specific national settings. Local regulations limit channel range:

US= worldwide, Japan=1-14, Jordan= 10-13, Israel= 1-13

Country

RegRev

Wireless country code for transmit power limit.

Max Clients The maximum number of clients that can access the router.

Wireless -

Guest /

Virtual

Access

Points

This router supports multiple SSIDs called Guest SSIDs or Virtual

Access Points. To enable one or more Guest SSIDs select the checkboxes  in the Enabled column. To hide a Guest SSID, select its checkbox  in the Hidden column.

Do the same for Isolate Clients and Disable WMM Advertise . For a description of these two functions, see the previous entries for

“Clients Isolation” and “Disable WMM Advertise”. Similarly, for Enable

WMF , Max Clients and BSSID , consult the matching entries in this table.

NOTE: Remote wireless hosts cannot scan Guest SSIDs.

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6.2 Security 5GHz

The following screen appears when Wireless Security is selected. The options shown here allow you to configure security features of the wireless LAN interface.

Please see 6.3

for WPS setup instructions.

Click Apply/Save to implement new configuration settings.

WIRELESS SECURITY

Setup requires that the user configure these settings using the Web User Interface

(see the table below).

Select SSID

Select the wireless network name from the drop-down menu. SSID stands for

Service Set Identifier. All stations must be configured with the correct SSID to access the WLAN. If the SSID does not match, that client will not be granted access.

Network Authentication

This option specifies whether a network key is used for authentication to the wireless network. If network authentication is set to Open, then no authentication is provided. Despite this, the identity of the client is still verified.

Each authentication type has its own settings. For example, selecting 802.1X authentication will reveal the RADIUS Server IP address, Port and Key fields. WEP

Encryption will also be enabled as shown below.

Different authentication type pops up different settings requests.

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Choosing 802.1X

, enter RADIUS Server IP address, RADIUS Port, RADIUS key and

Current Network Key.

Also, enable WEP Encryption and select Encryption Strength.

Select the Current Network Key and enter 13 ASCII characters or 26 hexadecimal digits for 128-bit encryption keys and enter 5 ASCII characters or 10 hexadecimal digits for 64-bit encryption keys.

Choosing WPA2-PSK , you must enter WPA Pre-Shared Key and Group Rekey

Interval.

WEP Encryption

This option specifies whether data sent over the network is encrypted. The same network key is used for data encryption and network authentication. Four network keys can be defined although only one can be used at any one time. Use the Current

Network Key list box to select the appropriate network key.

Security options include authentication and encryption services based on the wired equivalent privacy (WEP) algorithm. WEP is a set of security services used to protect 802.11 networks from unauthorized access, such as eavesdropping; in this case, the capture of wireless network traffic.

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When data encryption is enabled, secret shared encryption keys are generated and used by the source station and the destination station to alter frame bits, thus avoiding disclosure to eavesdroppers.

Under shared key authentication, each wireless station is assumed to have received a secret shared key over a secure channel that is independent from the 802.11 wireless network communications channel.

Encryption Strength

This drop-down list box will display when WEP Encryption is enabled. The key strength is proportional to the number of binary bits comprising the key. This means that keys with a greater number of bits have a greater degree of security and are considerably more difficult to crack. Encryption strength can be set to either

64-bit or 128-bit. A 64-bit key is equivalent to 5 ASCII characters or 10 hexadecimal numbers. A 128-bit key contains 13 ASCII characters or 26 hexadecimal numbers. Each key contains a 24-bit header (an initiation vector) which enables parallel decoding of multiple streams of encrypted data.

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6.3 WPS 5GHz

Wi-Fi Protected Setup (WPS) is an industry standard that simplifies wireless security setup for certified network devices. Every WPS certified device has both a PIN number and a push button, located on the device or accessed through device software. The NexusLink 3241u/3241eu has a WPS button on the device.

Devices with the WPS logo (shown here) support WPS. If the WPS logo is not present on your device it still may support WPS, in this case, check the device documentation for the phrase “Wi-Fi Protected Setup”.

NOTE: WPS is only available in Open, WPA-PSK, WPA2-PSK and Mixed

WPA2/WPA-PSK network authentication modes. Other authentication modes do not use WPS so they must be configured manually.

To configure security settings with WPS, follow the procedures below.

I. Setup

Step 1: Enable WPS by selecting Enabled from the drop down list box shown.

Step 2: Set the WPS AP Mode. Configured is used when the NexusLink

3241u/3241eu will assign security settings to clients. Unconfigured is used when an external client assigns security settings to the NexusLink

3241u/3241eu.

NOTES: Your client may or may not have the ability to provide security settings to the NexusLink 3241u/3241eu. If it does not, then you must set the WPS

AP mode to Configured. Consult the device documentation to check its capabilities.

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IIa. PUSH-BUTTON CONFIGURATION

The WPS push-button configuration provides a semi-automated configuration method. The WPS button on the front panel of the router can be used for this purpose.

The WPS push-button configuration is described in the procedure below. It is assumed that the Wireless function is Enabled and that the router is configured as the Wireless Access Point (AP) of your WLAN. In addition, the wireless client must also be configured correctly and turned on, with WPS function enabled.

NOTE: The wireless AP on the router searches for 2 minutes. If the router stops searching before you complete Step 4, return to Step 3.

Step 3: Press WPS button

Press the WPS button on the front panel of the router. The WPS LED will

blink to show that the router has begun searching for the client.

Step 4: Go to your WPS wireless client and activate the push-button function.

A typical WPS client screenshot is shown below as an example.

Now go to Step 7 (part III. Check Connection) to check the WPS connection.

IIb. WPS – PIN CONFIGURATION

Using this method, security settings are configured with a personal identification number (PIN). The PIN can be found on the device itself or within the software.

The PIN may be generated randomly in the latter case. To obtain a PIN number for your client, check the device documentation for specific instructions.

The WPS PIN configuration is described in the procedure below. It is assumed that the Wireless function is Enabled and that the router is configured as the Wireless

Access Point (AP) of your wireless LAN. In addition, the wireless client must also be configured correctly and turned on, with WPS function enabled.

Step 5: Select the PIN radio button in the WSC Setup section of the Wireless

Security screen, as shown in A or B below, and then click the appropriate button based on the WSC AP mode selected in step 2.

A For Configured mode, click the Add Enrollee button.

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Enter STA PIN : a Personal Identification Number (PIN) has to be read from either a sticker or the display on the new wireless device. This PIN must then be inputted at representing the network, usually the Access Point of the network.

B - For Unconfigured mode, click the Config AP button.

Step 6: Activate the PIN function on the wireless client. For Configured mode, the client must be configured as an Enrollee. For Unconfigured mode, the client must be configured as the Registrar. This is different from the

External Registrar function provided in Windows Vista.

The figure below provides an example of a WPS client PIN function in-progress.

III. CHECK CONNECTION

Step 7: If the WPS setup method was successful, you will be able access the wireless AP from the client. The client software should show the status.

The example below shows that the connection established successfully.

You can also double-click the Wireless Network Connection icon from the

Network Connections window (or the system tray) to confirm the status of the new connection.

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6.4 MAC Filter 5GHz

This option allows access to the router to be restricted based upon MAC addresses.

To add a MAC Address filter, click the Add button shown below. To delete a filter, select it from the MAC Address table below and click the Remove button.

Option Description

Select

SSID

Select the wireless network name from the drop-down menu. SSID stands for Service Set Identifier. All stations must be configured with the correct SSID to access the WLAN. If the SSID does not match, that user will not be granted access.

MAC

Restrict

Mode

MAC

Address

Disabled: MAC filtering is disabled.

Allow: Permits access for the specified MAC addresses.

Deny: Rejects access for the specified MAC addresses.

Lists the MAC addresses subject to the MAC Restrict Mode. A maximum of 60 MAC addresses can be added. Every network device has a unique

48-bit MAC address. This is usually shown as xx.xx.xx.xx.xx.xx, where xx are hexadecimal numbers.

After clicking the Add button, the following screen appears.

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Enter the MAC address in the box provided and click Apply/Save.

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6.5 Wireless Bridge 5GHz

This screen allows for the configuration of wireless bridge features of the WiFi interface. See the table below for detailed explanations of the various options.

Click Apply/Save to implement new configuration settings.

Feature Description

Bridge Restrict Selecting Disabled disables wireless bridge restriction, which means that any wireless bridge will be granted access.

Selecting Enabled or Enabled (Scan) enables wireless bridge restriction. Only those bridges selected in the Remote Bridges list will be granted access. Click Refresh to update the station list when Bridge Restrict is enabled.

Remote Bridges

MAC Address

Enter the list of MAC addresses allowed to act as wireless bridge clients.

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6.6 Advanced 5GHz

The Advanced screen allows you to configure advanced features of the wireless LAN interface. You can select a particular channel on which to operate, force the transmission rate to a particular speed, set the fragmentation threshold, set the RTS threshold, set the wakeup interval for clients in power-save mode, set the beacon interval for the access point, set XPress mode and set whether short or long preambles are used. Click Apply/Save to set new advanced wireless options.

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117

Field

Band

Description

Set to 2.4 GHz for compatibility with IEEE 802.11x standards. The new amendment allows IEEE 802.11n units to fall back to slower speeds so that legacy IEEE 802.11x devices can coexist in the same network. IEEE 802.11g creates data-rate parity at 2.4 GHz with the IEEE 802.11a standard, which has a 54 Mbps rate at 5 GHz. (IEEE

802.11a has other differences compared to IEEE 802.11b or g, such as offering more channels.)

Channel Drop-down menu that allows selection of a specific channel.

Auto channel scan timer in minutes (0 to disable) Auto Channel Timer

(min)

802.11n/EWC An equipment interoperability standard setting based on

IEEE 802.11n Draft 2.0 and Enhanced Wireless Consortium

(EWC)

Select 20MHz or 20MHz/40MHz Mixed Mode bandwidth. Bandwidth

Control Sideband Displays the control sideband status if channel is on

“Auto”. Select the desired sideband to adjust channel list if current channel is on a specific channel.

Set the physical transmission rate (PHY). 802.11n Rate

802.11n Protection Turn Off for maximized throughput.

Turn On for greater security.

Support 802.11n

Client Only

Turn Off to allow 802.11b/g clients access to the router.

Turn On to prohibit 802.11b/g client’s access to the router.

RIFS Advertisement One of several draft-n features designed to improve efficiency. Provides a shorter delay between OFDM transmissions than in 802.11a or g.

OBSS Co-Existence Co-existence between 20 MHz AND 40 MHz overlapping

Basic Service Set (OBSS) in WLAN.

RX Chain Power Save Enabling this feature turns off one of the Receive chains, going from 2x2 to 2x1 to save power.

RX Chain Power Save

Quiet Time

The number of seconds the traffic must be below the PPS value below before the Rx Chain Power Save feature activates itself.

RX Chain Power Save

PPS

54g Rate

The maximum number of packets per seconds that can be processed by the WLAN interface for a duration of Quiet

Time, described above, before the Rx Chain Power Save feature activates itself.

Drop-down menu that specifies the following fixed rates:

Auto: Default. Uses the 11 Mbps data rate when possible but drops to lower rates when necessary. 1 Mbps, 2Mbps,

5.5Mbps, or 11Mbps fixed rates. The appropriate setting is dependent on signal strength.

Multicast Rate

Basic Rate

Setting for multicast packet transmit rate (1-54 Mbps)

Setting for basic transmission rate.

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Field

Fragmentation

Threshold

RTS Threshold

Description

A threshold, specified in bytes, that determines whether packets will be fragmented and at what size. On an

802.11 WLAN, packets that exceed the fragmentation threshold are fragmented, i.e., split into, smaller units suitable for the circuit size. Packets smaller than the specified fragmentation threshold value are not fragmented. Enter a value between 256 and 2346. If you experience a high packet error rate, try to slightly increase your Fragmentation Threshold. The value should remain at its default setting of 2346. Setting the Fragmentation

Threshold too low may result in poor performance.

Request to Send, when set in bytes, specifies the packet size beyond which the WLAN Card invokes its RTS/CTS mechanism. Packets that exceed the specified RTS threshold trigger the RTS/CTS mechanism. The NIC transmits smaller packet without using RTS/CTS. The default setting of 2347 (maximum length) disables RTS

Threshold.

DTIM Interval

Beacon Interval

Delivery Traffic Indication Message (DTIM) is also known as

Beacon Rate. The entry range is a value between 1 and

65535. A DTIM is a countdown variable that informs clients of the next window for listening to broadcast and multicast messages. When the AP has buffered broadcast or multicast messages for associated clients, it sends the next

DTIM with a DTIM Interval value. AP Clients hear the beacons and awaken to receive the broadcast and multicast messages. The default is 1.

The amount of time between beacon transmissions in milliseconds. The default is 100 ms and the acceptable range is 1 – 65535. The beacon transmissions identify the presence of an access point. By default, network devices passively scan all RF channels listening for beacons coming from access points. Before a station enters power save mode, the station needs the beacon interval to know when to wake up to receive the beacon (and learn whether there are buffered frames at the access point).

Global Max Clients The maximum number of clients that can connect to the router.

Xpress TM Technology Xpress Technology is compliant with draft specifications of two planned wireless industry standards.

54g™ Mode

54g™ Protection

Set the mode to 54g Auto for the widest compatibility.

Select the mode to 54g Performance for the fastest performance among 54g certified equipment. Set the mode to 54g LRS if you are experiencing difficulty with legacy 802.11b equipment.

In Auto mode the router will use RTS/CTS to improve

802.11g performance in mixed 802.11g/802.11b networks. Turn protection off to maximize 802.11g throughput under most conditions.

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Field

Regulatory Mode

Pre-Network Radar

Check

In-Network Radar

Check

Description

Configure the regulatory operation mode if needed. Select

802.11h for European regulations Dynamic Frequency

Selection (DFS) and Transmit Power Control (TPC) and

802.11d if operates in country domains defined in IEEE

802.11d

The number of seconds to check for radar on a channel before establishing a network. Used for 802.11h only.

The number of seconds to check for radar when switching to a new channel after a network has been established. Used for 802.11h only.

Transmitter power control (TPC) mitigation setting. TPC Mitigation

Afterburner

Technology

Preamble Type

WMM (Wi-Fi

Multimedia)

WMM No

Acknowledgement

WMM APSD

Iperf Support

Video Error

Correction

Beamforming

Transmission (BFR)

Beamforming

Reception (BFE)

Band Steering

Enable Traffic

Scheduler

Airtime Fairness

Short preamble is intended for application where maximum throughput is desired but it doesn’t cooperate with the legacy.

Long preamble interoperates with the current 1 and 2

Mbit/s DSSS specification as described in IEEE Std

802.11-1999

The technology maintains the priority of audio, video and voice applications in a Wi-Fi network. It allows multimedia service get higher priority.

Refers to the acknowledge policy used at the MAC level.

Enabling no Acknowledgement can result in more efficient throughput but higher error rates in a noisy Radio

Frequency (RF) environment.

This is Automatic Power Save Delivery. It saves power.

The ultimate speed test tool for TCP, UDP and SCTP. The

CPE can support this feature.

The transmission of any data is always subject to corruption due to errors, but video transmission, because of its real time nature must deal with these errors without retransmission of the corrupted data. The error can be handled by using forward error correction in the encoder or error concealment techniques in the decoder.

Enable beamforming signal enhance for wireless transmission.

Enable beamforming signal enhance for wireless reception.

Enable band steering for dual band traffic control if applicable.

Enable traffic scheduler to ensure wireless traffic is shared based on scheduler scheme.

Enable airtime fairness for varied wireless clients.

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6.7 Site Survey 5GHz

The graph displays wireless APs found in your neighborhood by channel.

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6.8 Station Info 5GHz

This page shows authenticated wireless stations and their status. Click the Refresh button to update the list of stations in the WLAN.

Consult the table below for descriptions of each column heading.

Heading Description

MAC Lists the MAC address of all the stations.

Associated Lists all the stations that are associated with the Access

Point, along with the amount of time since packets were transferred to and from each station. If a station is idle for too long, it is removed from this list.

Authorized Lists those devices with authorized access.

SSID Lists which SSID of the modem that the stations connect to.

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6.9 Basic 2.4GHz

The Basic option allows you to configure basic features of the wireless LAN interface.

Among other things, you can enable or disable the wireless LAN interface, hide the network from active scans, set the wireless network name (also known as SSID) and restrict the channel set based on country requirements.

Click Apply/Save to configure the basic wireless options.

Consult the table below for descriptions of these options.

Option Description

Enable

Wireless

A checkbox  that enables or disables the wireless LAN interface.

When selected, a set of basic wireless options will appear.

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Option

Hide

Access

Point

Description

Select Hide Access Point to protect the access point from detection by wireless active scans. To view and connect to available wireless networks in Windows, open Connect to a Network by clicking the network icon ( or ) in the notification area. If the access point is hidden, it will not be listed there. To connect a client to a hidden access point, the station must add the access point manually to its wireless configuration.

Clients

Isolation

When enabled, it prevents client PCs from seeing one another in My

Network Places or Network Neighborhood. Also, prevents one wireless client communicating with another wireless client.

Disable

WMM

Advertise

Stops the router from ‘advertising’ its Wireless Multimedia (WMM) functionality, which provides basic quality of service for time-sensitive applications (e.g. VoIP, Video).

Select the checkbox  to enable this function. Enable

Wireless

Multicast

Forwarding

SSID

[1-32 characters]

Wireless -

Guest /

Virtual

Access

Points

Sets the wireless network name. SSID stands for Service Set

Identifier. All stations must be configured with the correct SSID to access the WLAN. If the SSID does not match, that user will not be granted access.

BSSID The BSSID is a 48-bit identity used to identify a particular BSS (Basic

Service Set) within an area. In Infrastructure BSS networks, the

BSSID is the MAC (Media Access Control) address of the AP (Access

Point); and in Independent BSS or ad hoc networks, the BSSID is generated randomly.

Local regulations limit channel range: US/Canada = 1-11. Country

Country

RegRev

Wireless country code for transmit power limit.

Max Clients The maximum number of clients that can access the router.

This router supports multiple SSIDs called Guest SSIDs or Virtual

Access Points. To enable one or more Guest SSIDs select the checkboxes  in the Enabled column. To hide a Guest SSID select its checkbox  in the Hidden column.

Do the same for Isolate Clients and Disable WMM Advertise . For a description of these two functions, see the previous entries for

“Clients Isolation” and “Disable WMM Advertise”. Similarly, for Enable

WMF , Max Clients and BSSID , consult the matching entries in this table.

NOTE: Remote wireless hosts cannot scan Guest SSIDs.

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6.10 Security 2.4GHz

The following screen appears when Wireless Security is selected. The options shown here allow you to configure security features of the wireless LAN interface.

Please see 6.11

for WPS setup instructions.

Click Apply/Save to implement new configuration settings.

WIRELESS SECURITY

Setup requires that the user configure these settings using the Web User Interface

(see the table below).

Select SSID

Select the wireless network name from the drop-down menu. SSID stands for

Service Set Identifier. All stations must be configured with the correct SSID to access the WLAN. If the SSID does not match, that client will not be granted access.

Network Authentication

This option specifies whether a network key is used for authentication to the wireless network. If network authentication is set to Open, then no authentication is provided. Despite this, the identity of the client is still verified.

Each authentication type has its own settings. For example, selecting 802.1X authentication will reveal the RADIUS Server IP address, Port and Key fields. WEP

Encryption will also be enabled as shown below.

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Different authentication type pops up different settings requests.

Choosing 802.1X

, enter RADIUS Server IP address, RADIUS Port, RADIUS key and

Current Network Key.

Also, enable WEP Encryption and select Encryption Strength.

Select the Current Network Key and enter 13 ASCII characters or 26 hexadecimal digits for 128-bit encryption keys and enter 5 ASCII characters or 10 hexadecimal digits for 64-bit encryption keys.

Choosing WPA2-PSK , you must enter WPA/WAPI passphrase and Group Rekey

Interval.

WEP Encryption

This option specifies whether data sent over the network is encrypted. The same network key is used for data encryption and network authentication. Four network keys can be defined although only one can be used at any one time. Use the Current

Network Key list box to select the appropriate network key.

Security options include authentication and encryption services based on the wired equivalent privacy (WEP) algorithm. WEP is a set of security services used to protect 802.11 networks from unauthorized access, such as eavesdropping; in this case, the capture of wireless network traffic.

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When data encryption is enabled, secret shared encryption keys are generated and used by the source station and the destination station to alter frame bits, thus avoiding disclosure to eavesdroppers.

Under shared key authentication, each wireless station is assumed to have received a secret shared key over a secure channel that is independent from the 802.11 wireless network communications channel.

Encryption Strength

This drop-down list box will display when WEP Encryption is enabled. The key strength is proportional to the number of binary bits comprising the key. This means that keys with a greater number of bits have a greater degree of security and are considerably more difficult to crack. Encryption strength can be set to either

64-bit or 128-bit. A 64-bit key is equivalent to 5 ASCII characters or 10 hexadecimal numbers. A 128-bit key contains 13 ASCII characters or 26 hexadecimal numbers. Each key contains a 24-bit header (an initiation vector) which enables parallel decoding of multiple streams of encrypted data.

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6.11 WPS 2.4GHz

Wi-Fi Protected Setup (WPS) is an industry standard that simplifies wireless security setup for certified network devices. Every WPS certified device has both a PIN number and a push button, located on the device or accessed through device software. The NexusLink 3241u/3241eu has a WPS button on the device.

Devices with the WPS logo (shown here) support WPS. If the WPS logo is not present on your device it still may support WPS, in this case, check the device documentation for the phrase “Wi-Fi Protected Setup”.

NOTE: WPS is available in Open, WPA2-PSK and Mixed WPA2/WPA-PSK network authentication modes. Other authentication modes do not use WPS so they must be configured manually.

To configure security settings with WPS, follow the procedures below.

I. Setup

Step 1: Enable WPS by selecting Enabled from the drop down list box shown.

Step 2: Set the WPS AP Mode. Configured is used when the NexusLink

3241u/3241eu will assign security settings to clients. Unconfigured is used when an external client assigns security settings to the NexusLink

3241u/3241eu. Then click the Apply/Save button.

NOTES: Your client may or may not have the ability to provide security settings to the NexusLink 3241u/3241eu. If it does not, then you must set the WPS

AP mode to Configured. Consult the device documentation to check its capabilities.

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IIa. PUSH-BUTTON CONFIGURATION

The WPS push-button configuration provides a semi-automated configuration method. The WPS button on the front panel of the router can be used for this purpose.

The WPS push-button configuration is described in the procedure below. It is assumed that the Wireless function is Enabled and that the router is configured as the Wireless Access Point (AP) of your WLAN. In addition, the wireless client must also be configured correctly and turned on, with WPS function enabled.

NOTE: The wireless AP on the router searches for 2 minutes. If the router stops searching before you complete Step 4, return to Step 3.

Step 3: Press WPS button

Press and release the WPS button on the front panel of the router. The

WPS LED will blink to show that the router has begun searching for the client.

Step 4: Go to your WPS wireless client and activate the push-button function.

A typical WPS client screenshot is shown below as an example.

Now go to Step 5 (part III. Check Connection) to check the WPS connection.

IIb. WPS – PIN CONFIGURATION

Using this method, security settings are configured with a personal identification number (PIN). The PIN can be found on the device itself or within the software.

The PIN may be generated randomly in the latter case. To obtain a PIN number for your client, check the device documentation for specific instructions.

The WPS PIN configuration is described in the procedure below. It is assumed that the Wireless function is Enabled and that the router is configured as the Wireless

Access Point (AP) of your wireless LAN. In addition, the wireless client must also be configured correctly and turned on, with WPS function enabled.

Step 3: Select the Use STA PIN radio button in the WPS Setup section of the

Wireless Security screen, as shown in A below.

A For Configured mode, input the STA PIN* and click the Add

Enrollee button.

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* Personal Identification Number (PIN) has to be read from either a sticker or the display on the new wireless device.

B - For Unconfigured mode, select Unconfigured from the Set WPS AP mode drop-down menu and click the Apply/Save button. Input the Device PIN displayed to your wireless client to initiate the PIN connection.

Step 4: Activate the PIN function on the wireless client. For Configured mode, the client must be configured as an Enrollee. For Unconfigured mode, the client must be configured as the Registrar. This is different from the

External Registrar function provided in Windows Vista.

The figure below provides an example of a WPS client PIN function in-progress.

III. CHECK CONNECTION

Step 5: If the WPS setup method was successful, you will be able access the wireless AP from the client. The client software should show the status.

The example below shows that the connection established successfully.

You can also double-click the Wireless Network Connection icon from the

Network Connections window (or the system tray) to confirm the status of the new connection.

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6.12 MAC Filter 2.4GHz

This option allows access to the router to be restricted based upon MAC addresses.

To add a MAC Address filter, click the Add button shown below. To delete a filter, select it from the MAC Address table below and click the Remove button.

Option Description

Select

SSID

Select the wireless network name from the drop-down menu. SSID stands for Service Set Identifier. All stations must be configured with the correct SSID to access the WLAN. If the SSID does not match, that user will not be granted access.

MAC

Restrict

Mode

MAC

Address

Disabled: MAC filtering is disabled.

Allow: Permits access for the specified MAC addresses.

Deny: Rejects access for the specified MAC addresses.

Lists the MAC addresses subject to the MAC Restrict Mode. A maximum of 60 MAC addresses can be added. Every network device has a unique

48-bit MAC address. This is usually shown as xx.xx.xx.xx.xx.xx, where xx are hexadecimal numbers.

After clicking the Add button, the following screen appears.

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Enter the MAC address in the box provided and click Apply/Save.

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6.13 Wireless Bridge 2.4GHz

This screen allows for the configuration of wireless bridge features of the WiFi interface. See the table below for detailed explanations of the various options.

Click Apply/Save to implement new configuration settings.

Feature Description

Bridge Restrict Selecting Disabled disables wireless bridge restriction, which means that any wireless bridge will be granted access.

Selecting Enabled or Enabled (Scan) enables wireless bridge restriction. Only those bridges selected in the Remote Bridges list will be granted access. Click Refresh to update the station list when Bridge Restrict is enabled.

Remote

Bridges MAC

Address

Enter the list of MAC addresses allowed to act as wireless bridge clients.

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6.14 Advanced 2.4GHz

The Advanced screen allows you to configure advanced features of the wireless LAN interface. You can select a particular channel on which to operate, force the transmission rate to a particular speed, set the fragmentation threshold, set the RTS threshold, set the wakeup interval for clients in power-save mode, set the beacon interval for the access point, set XPress mode and set whether short or long preambles are used. Click Apply/Save to set new advanced wireless options.

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Field

Band

Description

Set to 2.4 GHz for compatibility with IEEE 802.11x standards. The new amendment allows IEEE 802.11n units to fall back to slower speeds so that legacy IEEE 802.11x devices can coexist in the same network. IEEE 802.11g creates data-rate parity at 2.4 GHz with the IEEE 802.11a standard, which has a 54 Mbps rate at 5 GHz. (IEEE

802.11a has other differences compared to IEEE 802.11b or g, such as offering more channels.)

Channel Drop-down menu that allows selection of a specific channel.

Auto channel scan timer in minutes (0 to disable) Auto Channel Timer

(min)

802.11n/EWC

Bandwidth

Control Sideband

An equipment interoperability standard setting based on

IEEE 802.11n Draft 2.0 and Enhanced Wireless Consortium

(EWC)

Select 20MHz or 20MHz/40MHz Mixed Mode bandwidth.

Displays the control sideband status if channel is on

“Auto”. Select the desired sideband to adjust channel list if current channel is on a specific channel.

Set the physical transmission rate (PHY). 802.11n Rate

802.11n Protection

Support 802.11n

Client Only

RIFS Advertisement

Turn Off for maximized throughput.

Turn On for greater security.

Turn Off to allow 802.11b/g clients access to the router.

Turn On to prohibit 802.11b/g client’s access to the router.

OBSS Co-Existence Co-existence between 20 MHz AND 40 MHz overlapping

Basic Service Set (OBSS) in WLAN.

RX Chain Power Save Enabling this feature turns off one of the Receive chains, going from 2x2 to 2x1 to save power.

RX Chain Power Save

Quiet Time

The number of seconds the traffic must be below the PPS value below before the Rx Chain Power Save feature activates itself.

RX Chain Power Save

PPS

One of several draft-n features designed to improve efficiency. Provides a shorter delay between OFDM transmissions than in 802.11a or g.

54g Rate

The maximum number of packets per seconds that can be processed by the WLAN interface for a duration of Quiet

Time, described above, before the Rx Chain Power Save feature activates itself.

Drop-down menu that specifies the following fixed rates:

Auto: Default. Uses the 11 Mbps data rate when possible but drops to lower rates when necessary. 1 Mbps, 2Mbps,

5.5Mbps, or 11Mbps fixed rates. The appropriate setting is dependent on signal strength.

Multicast Rate

Basic Rate

Setting for multicast packet transmit rate (1-54 Mbps)

Setting for basic transmission rate.

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Field

Fragmentation

Threshold

RTS Threshold

Description

A threshold, specified in bytes, that determines whether packets will be fragmented and at what size. On an

802.11 WLAN, packets that exceed the fragmentation threshold are fragmented, i.e., split into, smaller units suitable for the circuit size. Packets smaller than the specified fragmentation threshold value are not fragmented. Enter a value between 256 and 2346. If you experience a high packet error rate, try to slightly increase your Fragmentation Threshold. The value should remain at its default setting of 2346. Setting the Fragmentation

Threshold too low may result in poor performance.

Request to Send, when set in bytes, specifies the packet size beyond which the WLAN Card invokes its RTS/CTS mechanism. Packets that exceed the specified RTS threshold trigger the RTS/CTS mechanism. The NIC transmits smaller packet without using RTS/CTS. The default setting of 2347 (maximum length) disables RTS

Threshold.

DTIM Interval

Beacon Interval

Delivery Traffic Indication Message (DTIM) is also known as

Beacon Rate. The entry range is a value between 1 and

65535. A DTIM is a countdown variable that informs clients of the next window for listening to broadcast and multicast messages. When the AP has buffered broadcast or multicast messages for associated clients, it sends the next

DTIM with a DTIM Interval value. AP Clients hear the beacons and awaken to receive the broadcast and multicast messages. The default is 1.

The amount of time between beacon transmissions in milliseconds. The default is 100 ms and the acceptable range is 1 – 65535. The beacon transmissions identify the presence of an access point. By default, network devices passively scan all RF channels listening for beacons coming from access points. Before a station enters power save mode, the station needs the beacon interval to know when to wake up to receive the beacon (and learn whether there are buffered frames at the access point).

Global Max Clients The maximum number of clients that can connect to the router.

Xpress TM Technology Xpress Technology is compliant with draft specifications of two planned wireless industry standards.

WMM (Wi-Fi

Multimedia)

WMM No

Acknowledgement

The technology maintains the priority of audio, video and voice applications in a Wi-Fi network. It allows multimedia service get higher priority.

Refers to the acknowledge policy used at the MAC level.

Enabling no Acknowledgement can result in more efficient throughput but higher error rates in a noisy Radio

Frequency (RF) environment.

WMM APSD

Beamforming

Transmission (BFR)

This is Automatic Power Save Delivery. It saves power.

Enable beamforming signal enhance for wireless transmission.

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Field

Beamforming

Reception (BFE)

Band Steering

Enable Traffic

Scheduler

Airtime Fairness

Description

Enable beamforming signal enhance for wireless reception.

Enable band steering for dual band traffic control if applicable.

Enable traffic scheduler to ensure wireless traffic is shared based on scheduler scheme.

Enable airtime fairness for varied wireless clients.

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6.15 Site Survey 2.4GHz

The graph displays wireless APs found in your neighborhood by channel.

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6.16 Station Info 5GHz

This page shows authenticated wireless stations and their status. Click the Refresh button to update the list of stations in the WLAN.

Consult the table below for descriptions of each column heading.

Heading Description

MAC Lists the MAC address of all the stations.

Associated Lists all the stations that are associated with the Access

Point, along with the amount of time since packets were transferred to and from each station. If a station is idle for too long, it is removed from this list.

Authorized Lists those devices with authorized access.

SSID Lists which SSID of the modem that the stations connect to.

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6.17 WiFi Passpoint

Note: This function is not supported on this release.

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Chapter 7 Voice

This chapter first describes the various options for configuration of the SIP voice service. It then provides detailed instructions for making telephone calls using VoIP

(Voice over IP) or PSTN (Public Switched Telephone Network) services. Session

Initiation Protocol (SIP) is a peer-to-peer protocol used for Internet conferencing, telephony, events notification, presence and instant messaging.

SIP is designed to address the functions of signaling and session management within a packet telephony network. Signaling allows call information to be carried across network boundaries. Session management provides the ability to control the attributes of an end-to-end call.

NOTE : The SIP standard is set by the Internet Engineering Task Force (IETF).

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The SIP standard defines the following agents/servers:

 User Agents ( UA ) - SIP phone clients (hardware or software)

 Proxy Server – relays data between UA and external servers

 Registrar Server - a server that accepts register requests from UA

 Redirect Server – provides an address lookup service to UA

The following subsections present Basic , Advanced and Debug SIP screens.

Each screen provides various options for customizing the SIP configuration.

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7.1 SIP Basic Setting

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7.1.1 Global Parameters

A common parameter setting.

Bound Interface Name:

Select a WAN interface to send SIP control messages.

IP Address Family:

Select to use IPv4 or IPv6 for VoIP messages.

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7.1.2 Service Provider

Enter the SIP parameters and click Start/Stop to save the parameters and start/stop the voice application.

Once settings are configured click Apply to begin using the service.

Field Description

Locale Selection Sets tone, ring type and physical characteristics for specific countries.

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Field

SIP domain name

VoIP Dialplan Setting

Use SIP proxy

SIP Proxy

SIP Proxy port

Description

Provided by your VoIP provider.

A dial plan establishes the expected sequence of digits dialed on subscriber premises equipment, such as telephones, in private branch exchange (PBX) systems, or in other telephone switches to effect access to specific telephone networks for telephone calls, and to effect or activate specific telephone system features.

In private branch exchanges in the U.S. a dial plan may specify the dialing for the following destinations:

 Internal extension numbers of two, three, or four digits.

 Local numbers of seven or ten digits, which may be preceded by a 9, if required to access an outside line.

 Long distance numbers of eleven digits, consisting of a 1, a three-digit area code, and a seven-digit number; preceded by a 9 if required.

 International numbers of any length starting with 011 and preceded by a 9 if required.

Similarly, telephony service operators may provide dialing sequences for special services, such as directory assistance and emergency services.

PBX equipment, carrier switching systems, or end-user telephones may specify a variable-length dial plan or a fixed-length dial plan.

Enable the SIP proxy by selecting the checkbox  and setting proxy parameters.

Input IP address or domain name of the SIP proxy server, used for VoIP service.

This value is set by your VoIP provider.

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Field

Use SIP Outbound Proxy

Use SIP Registrar

SIP Registrar

Preferred codec 1-6

SIP Outbound Proxy port

Description

Enable the SIP outbound proxy by selecting the checkbox  and setting outbound proxy parameters. It forwards the requests if you cannot reach SIP proxy directly.

This value is set by your VoIP provider.

Enable the SIP Registrar proxy by selecting the checkbox 

Input IP address or domain name of the SIP proxy server, used for VOIP service.

SIP Registrar Port This value is set by your VoIP provider.

FYI: A proxy is an intermediary program that acts as both a server and a client for the purpose of making requests on behalf of other clients. Requests are serviced internally or transferred to other servers. A proxy interprets and, if necessary, rewrites a request message before forwarding it.

SIP Account 1 & 2

SIP Account

Ports FXS1 & FXS2

Map SIP accounts to physical ports. “0” represents to FXS1 and “1” represents to

FXS2.

The line extension number. Extension

Display Name

Authentication Name

Authentication Password

The caller ID display name.

The authentication username for the

Registrar/Proxy, given by VoIP provider.

The authentication password for the

Registrar/proxy, given by VoIP provider.

Physical Terminal Assignment

Preferred ptime

Connect the FXS port to the physical port.

The time period used to digitally sample the analog voice signal. The default is 20 ms.

Choose from G.711MuLaw/ALaw, G.729a,

G.723.1, G.726_24/32, or GSM_AMR codecs

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7.2

SIP Advanced Setting

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7.2.1 Global Parameters

This screen contains the advanced SIP configuration settings.

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7.2.2 Service Provider

Configure your settings based on your service provider.

These settings are described in the tables below. Once configuration is complete, click Apply to begin using the service.

NOTE: Some of these options can also be set using telephone keypad commands, as described in the call command list in section 7.5 Telephone Calls .

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Line 1 & 2 Ports FXS1 & FXS2

Call waiting Tick the checkbox  to enable this option.

Call forwarding number Enter the forwarding phone number.

Forward unconditionally Tick the checkbox  to enable this option.

Forward on “busy” Tick the checkbox  to enable this option.

Forward on “no answer” Tick the checkbox  to enable this option.

Call barring Tick the checkbox  to enable this option.

Call Barring allows you to bar certain types of calls from being made from your phone and also allows you to bar incoming calls.

Call barring pin

Call barring digit map

Warm line

The default setting for the Call Barring PIN code is the same as the four-digit PIN code.

Set the dial plan for call barring.

When the Warm Line function is in use, the user can dial a number. Otherwise the system will divert incoming calls from an outside line to the Warm Line Number after a set wait time.

Warm line number Define warm line number.

Anonymous call blocking Tick the checkbox  to enable this option.

Anonymous calling

DND (Do Not Disturb)

Tick the checkbox

Tick the checkbox

to enable this option.

to enable this option.

Enable T38 support

Enable V18 support

Enable or disable T38 Fax mode support with this checkbox  . You can plug a fax machine into either phone port to send or receive faxes. Functionality depends upon FAX support by your VoIP service provider.

Enable or disable for V18 support with this checkbox  .

Registration Expire

Timeout

The time period the user would like the registration to be valid for the Registrar/ Proxy Server. The default is

3600 seconds.

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Registration Retry

Interval

DSCP for SIP

DSCP for RTP

The time interval between re-registration attempts.

Diff Serv Code Point (DSCP) for SIP.

Diff Serv Code Point (DSCP) for RTP.

Dtmf Relay setting Set the special use of RTP packets to transmit digit events.

Hook Flash Relay setting Set flash hook event will be sent via which signal.

SIP Transport protocol

SRTP Configuration

SIP control message will be sent via which protocol.

Enable or disable for Security RTP support.

RFC 2198 Redundant

Level Configuration

Enable or disable for RFC 2198 support.

Enable SIP tag matching

(Uncheck for Vonage

Interop).

Since CPE rely on the tags for matching purposes, implementations which support Replacements MUST support the SIP specification, which requires tags.

Music Server

Music Server port

Conference URI

Set music server address for on-hold state.

Set music server port for on-hold state.

Set conference URI.

Set conference option.

Set secondary outbound address.

Conference Option

Secondary Outbound

Proxy IP

Secondary Outbound

Proxy Port

Set secondary outbound port.

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7.3 SIP Debug Setting

This screen contains SIP configuration settings used for debugging.

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7.3.1 Global Parameters

A common parameter setting.

Vodsl Console Log Level:

The log level allows users select what message will be shown in the log. It is separated into 3 levels (Error, Notice and Debug).

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7.3.2 Service Provider

Configure your settings based on your service provider.

Once settings are configured, click Apply to begin using the service.

Checkbox  Description

Enter the IP address and port of the SIP log server. SIP log server

IP address & port

Enable Vad Support

Ingress gain

Select the checkbox  to enable VAD support.

Adjust the volume for incoming (Ingress) or outgoing (Egress) gain with the drop-down boxes.

Enhances the volume of speaking (the volume heard from the other side).

Enhances the volume of hearing. Egress gain

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7.4 SIP CCTK Setting

The CCTK WEB setting allows the user to set up a digitmap for dialing number rule.

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7.5 Telephone Calls

To make a call, simply dial the number. The dial plan (i.e. the dialed digits) is normally customized for each installation. The default dial plan allows for dialing of

4-digit extensions or direct IP addresses. For shorter extension numbers (e.g.

3-digits) adding a “#” at the end.

When a Call Server (SIP Proxy Server) is configured into the system, the dialed digits are translated and routed by the Call Server to the correct destination as registered with the Call Server.

If no Call Server is configured, calls can still be made using 4-digit extensions, rather than using full IP addresses. The originator translates the dialed-digits to a destination device as follows:

First Digit: Line identifier (for multi-line gateways)

Remaining digits: Host number part of an IP address. The Network number

part is considered to be the same as the caller’s IP address.

For example, if a caller at address 10.136.64.33/24 dials “2023”, the call will be placed to the second line at address 10.136.64.23. All devices have to be on the same Class C subnet (24-bit subnet mask).

To dial an IP address directly, dial the IP address digits using * on the keypad as the dot. Complete the address with a final * or #. When using IP address dialing it is not possible to specify which line at a gateway is called, so the gateway always routes

IP-address dialed calls to the first line.

Network busy tone (fast busy) will be played for unknown or unreachable destinations. To answer a call, pick up the phone or press the hands free button.

Caller ID

The Call Manager delivers Calling Number when placing calls. The calling number is transmitted to the analog line for CLASS recognition.

Call Hold

To put a call on hold, press flash then hang up (optional). To return to the original call, press flash or pick up the phone. The phone will issue a short ring burst every

30 seconds or so while on-hook to remind you that a call is on hold.

Call Transfer

 To transfer a call, press flash then dial the new number.

 To transfer immediately, hang up (blind transfer).

 To transfer with consultation, wait for the party to answer, consult, and hang up.

 To abort the transfer (if the third party does not answer); press flash to return to the original call.

Conference Calling

To turn a two-party call into a three-party conference call, press flash and dial the third party. Wait for the party to answer, then press flash. To drop the third party and return to a two-party call, press flash again. To drop yourself out of the conference, hang up. The call will be transferred (so that the other two parties remain connected to each other). In conference mode, the conference initiator performs the audio bridge/mixing function – there are only two voice streams established.

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Call Waiting

If call waiting is enabled on a line, and you hear the call waiting tone during a call, press flash to answer the second call. The first call is automatically placed on hold.

To switch between calls, press flash again.

 To disable the call waiting feature, dial *60

 To enable the call waiting feature, dial *61

Call forward feature settings (Busy or All) takes priority over the call-waiting feature.

The call-waiting feature is ignored on new incoming calls if there is already a call on hold or in conference.

Call Forward Number

 To set the call forward number, dial *74 then the number. Note that this does not actually enable forwarding; to do so, select the call forward action as described below.

 To disable all call forwarding features, dial *70.

Call Forward Unconditionally

 To enable call forward on no answer, dial *71. Incoming calls will be forwarded if unanswered for 18 seconds.

 To disable all call forward unconditionally, dial *75.

Call Forward Busy

 To enable call forward if busy, dial *72. Incoming calls will be immediately forwarded if the phone is off-hook.

 To disable all call forward busy, dial *75.

Call Forward No Answer

 To enable call forward on no answer, dial *71. Incoming calls will be forwarded if unanswered for 18 seconds.

 To disable all call forward no answer, dial *75.

Call Barring

 When enabled, dial *85[PIN]0/*85[PIN]1/*85[PIN]2 to deactivate/

activate/activate per digitmap.

Warm Line

 When enabled, dial *78 to activate, *79 to deactivate.

Anonymous Call Blocking

 When enabled, dial *80 to activate, *81 to deactivate.

Anonymous Calling

 When enabled, dial *82 to activate for current call.

DND

 When enabled, dial *86 to activate, *87 to deactivate for Do Not Disturb (DND) feature

.

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Chapter 8 Diagnostics

You can reach this page by clicking on the following icon located at the top of the screen.

8.1 Diagnostics

Individual Tests

The first Diagnostics screen is a dashboard that shows overall connection status.

Click the Diagnostics Menu item on the left side of the screen to display the individual connections.

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8.2 Ethernet OAM

The Ethernet OAM (Operations, Administration, Management) page provides settings to enable/disable 802.3ah, 802.1ag/Y1.731 OAM protocols.

To enable Ethernet Link OAM (802.3 ah), click Enabled to display the full configuration list. At least one option must be enabled for 802.1ah.

WAN Interface

OAM ID

Select layer 2 WAN interface for outgoing OAM packets

OAM Identification number

Auto Event Supports OAM auto event

Variable Retrieval Supports OAM variable retrieval

Link Events Supports OAM link events

Remote Loopback Supports OAM remove loopback

Active mode Supports OAM active mode

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To enable Ethernet Service OAM (802.1ag/Y1731), click Enabled to display the full configuration list.

Click Apply/Save to implement new configuration settings.

WAN Interface

MD Level

MD Name

MA ID

Select from the list of WAN Interfaces to send OAM packets

Maintenance Domain Level

Maintenance Domain name

Maintenance Association Identifier

Local MEP ID Local Maintenance association End Point Identifier

Local MEP VLAN ID VLAN IP used for Local Maintenance End point

Click CCM Transmission to enable CPE sending Continuity Check Message (CCM) continuously.

Remote MEP ID Maintenance association End Point Identifier for the remote receiver

To perform Loopback/Linktrace OAM test, enter the Target MAC of the destination and click “Send Loopback” or “Send Linktrace” button.

Target MAC

Linktrace TTL

MAC Address of the destination to send OAM loopback/linktrace packet

Time to Live value for the loopback/linktrace packet

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8.3 Uptime Status

This page shows System, DSL, ETH and Layer 3 uptime. If the DSL line, ETH or Layer

3 connection is down, the uptime will stop incrementing. If the service is restored, the counter will reset and start from 0. A Bridge interface will follow the DSL or ETH timer.

The "ClearAll" button will restart the counters from 0 or show "Not Connected" if the interface is down.

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Chapter 9 Management

9.1 Settings

This includes Backup Settings , Update Settings , and Restore Default screens.

9.1.1 Backup Settings

To save the current configuration to a file on your PC, click Backup Settings . You will be prompted for backup file location. This file can later be used to recover settings on the Update Settings screen, as described below.

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9.1.2 Update Settings

This option recovers configuration files previously saved using Backup Settings .

Press Browse… to search for the file, or enter the file name (including folder path) in the File Name box, and then click Update Settings to recover settings.

9.1.3 Restore Default

Click Restore Default Settings to restore factory default settings.

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After Restore Default Settings is clicked, the following screen appears.

Close the browser and wait for 2 minutes before reopening it. It may also be necessary, to reconfigure your PC IP configuration to match any new settings.

NOTE: This entry has the same effect as the Reset button. The NexusLink

3241u/3241eu board hardware and the boot loader support the reset to default. If the Reset button is continuously pressed for more than 10 seconds, the current configuration data will be erased. If the Reset button is continuously pressed for more than 60 seconds, the boot loader will erase all configuration data saved in flash memory and enter bootloader mode.

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9.2 System Log

This function allows a system log to be kept and viewed upon request.

Follow the steps below to configure, enable, and view the system log.

STEP 1: Click Configure System Log , as shown below (circled in Red ).

STEP 2: Select desired options and click Apply/Save .

Consult the table below for detailed descriptions of each system log option.

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Option Description

Log Indicates whether the system is currently recording events. The user can enable or disable event logging. By default, it is disabled. To enable it, select the Enable radio button and then click Apply/Save .

Log

Level

Display

Level

Allows you to configure the event level and filter out unwanted events below this level. The events ranging from the highest critical level

“Emergency” down to this configured level will be recorded to the log buffer on the NexusLink 3241u/3241eu SDRAM. When the log buffer is full, the newer event will wrap up to the top of the log buffer and overwrite the old event. By default, the log level is “Debugging”, which is the lowest critical level.

The log levels are defined as follows:

 Emergency = system is unusable

 Alert = action must be taken immediately

 Critical = critical conditions

 Error = Error conditions

 Warning = normal but significant condition

 Notice= normal but insignificant condition

 Informational= provides information for reference

 Debugging = debug-level messages

Emergency is the most serious event level, whereas Debugging is the least important. For instance, if the log level is set to Debugging, all the events from the lowest Debugging level to the most critical level

Emergency level will be recorded. If the log level is set to Error, only

Error and the level above will be logged.

Allows the user to select the logged events and displays on the View

System Log window for events of this level and above to the highest

Emergency level.

Mode Allows you to specify whether events should be stored in the local memory, or be sent to a remote system log server, or both simultaneously. If remote mode is selected, view system log will not be able to display events saved in the remote system log server.

When either Remote mode or Both mode is configured, the WEB UI will prompt the user to enter the Server IP address and Server UDP port.

STEP 3: Click View System Log . The results are displayed as follows.

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9.3 SNMP Agent

Simple Network Management Protocol (SNMP) allows a management application to retrieve statistics and status from the SNMP agent in this device. Select the

Enable radio button, configure options, and click Save/Apply to activate SNMP.

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9.4 TR-069 Client

WAN Management Protocol (TR-069) allows an Auto-Configuration Server (ACS) to perform auto-configuration, provision, collection, and diagnostics to this device.

Select desired values and click Apply/Save to configure TR-069 client options.

The table below is provided for ease of reference.

Option Description

Inform

Inform Interval

Disable/Enable TR-069 client on the CPE.

The duration in seconds of the interval for which the CPE

MUST attempt to connect with the ACS and call the Inform method.

ACS URL URL for the CPE to connect to the ACS using the CPE WAN

Management Protocol. This parameter MUST be in the form of a valid HTTP or HTTPS URL. An HTTPS URL indicates that the ACS supports SSL. The “host” portion of this URL is used by the CPE for validating the certificate from the ACS when using certificate-based authentication.

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Option

ACS User Name

ACS Password

Description

Username used to authenticate the CPE when making a connection to the ACS using the CPE WAN Management

Protocol. This username is used only for HTTP-based authentication of the CPE.

Password used to authenticate the CPE when making a connection to the ACS using the CPE WAN Management

Protocol. This password is used only for HTTP-based authentication of the CPE.

Choose Any_WAN, LAN, Loopback or a configured connection.

WAN Interface used by TR-069 client

Display SOAP messages on serial console

Enable/Disable SOAP messages on serial console. This option is used for advanced troubleshooting of the device.

Connection Request

Authentication Tick the checkbox  to enable.

User Name Username used to authenticate an ACS making a

Connection Request to the CPE.

Password Password used to authenticate an ACS making a

Connection Request to the CPE.

URL IP address and port the ACS uses to connect to the router.

The Send Inform button forces the CPE to establish an immediate connection to the ACS.

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9.5 Internet Time

This option automatically synchronizes the router time with Internet timeservers.

To enable time synchronization, tick the corresponding checkbox  , choose your preferred time server(s), select the correct time zone offset, and click Apply/Save .

NOTE: Internet Time must be activated to use. See 5.6 Parental Control .

The internet time feature will not operate when the router is in bridged mode, since the router would not be able to connect to the NTP timeserver.

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9.6 Access Control

9.6.1 Passwords

This screen is used to configure the user account access passwords for the device.

Access to the NexusLink 3241u/3241eu is controlled through the following user accounts:

 The root account has unrestricted access to view and change the configuration of your Broadband router.

 The support account is typically utilized by Carrier/ISP technicians for maintenance and diagnostics.

 The user account is typically utilized by End-Users to view configuration settings and statistics, with limited ability to configure certain settings.

 The apuser account is typically utilized by End-Users to view configuration settings and statistics, with limited ability to configure wireless settings.

Use the fields to update passwords for the accounts, add/remove accounts (max of

5 accounts) as well as adjust their specific privileges.

Note: Passwords may be as long as 16 characters but must not contain a space.

Click Apply/Save to continue.

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9.6.2 Services

The Services option limits or opens the access services over the LAN or WAN. The access services available are: HTTP, SSH, TELNET, SNMP, HTTPS, FTP, TFTP and ICMP.

Enable a service by selecting its dropdown listbox. Click Apply/Save to activate.

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9.6.3 IP Address

The IP Address Access Control mode, if enabled, permits access to local management services from IP addresses contained in the Access Control List. If the

Access Control mode is disabled, the system will not validate IP addresses for incoming packets. The services are the system applications listed in the Service

Control List beside ICMP .

Click the Add button to display the following.

Configure the address and subnet of the management station permitted to access the local management services, and click Save/Apply .

IP Address – IP address of the management station.

Subnet Mask – Subnet address for the management station.

Interface – Access permission for the specified address, allowing the address to access the local management service from none/lan/wan/lan&wan interfaces.

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9.7 Wake-on-LAN

This tool allows you to wake up (power on) computers connected to the Broadband

Router LAN interface by sending special "magic packets".

The network interface card in the computer or device that is going to be woken up must support Wake-on-LAN.

LAN Interface – Select the LAN interface to send the Wake-on-LAN packet.

MAC Address – Specify the MAC address of the device that is going to be woken up.

Click “ Send WoL magic packet to the Broadcast address ” if the WoL packets should be sent to the broadcast address.

Click the Wake Up!

button to send the magic packet out to the LAN interface.

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9.8 Update Software

This option allows for firmware upgrades from a locally stored file.

STEP 1: Obtain an updated software image file from your ISP.

STEP 2 : Press Browse… to search for the file, or enter the file name (including folder path) in the File Name box to locate the image file.

STEP 3 : Click the Update Software button once to upload the new image file.

NOTE : The update process will take about 2 minutes to complete. The device will reboot and the browser window will refresh to the default screen upon successful installation. It is recommended that you compare the

Software Version on the Device Information screen with the firmware version installed, to confirm the installation was successful.

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9.9 Reboot

To save the current configuration and reboot the router, click Reboot .

NOTE: You may need to close the browser window and wait for 2 minutes before reopening it. It may also be necessary, to reset your PC IP configuration.

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Appendix A - Firewall

STATEFUL PACKET INSPECTION

Refers to an architecture, where the firewall keeps track of packets on each connection traversing all its interfaces and makes sure they are valid. This is in contrast to static packet filtering which only examines a packet based on the information in the packet header.

DENIAL OF SERVICE ATTACK

Is an incident in which a user or organization is deprived of the services of a resource they would normally expect to have. Various DoS attacks the device can withstand are ARP Attack, Ping Attack, Ping of Death, Land, SYN Attack, Smurf

Attack, and Tear Drop.

TCP/IP/PORT/INTERFACE FILTER

These rules help in the filtering of traffic at the Network layer (i.e. Layer 3).

When a Routing interface is created, Enable Firewall must be checked.

Navigate to Advanced Setup  Security  IP Filtering.

OUTGOING IP FILTER

Helps in setting rules to DROP packets from the LAN interface. By default, if the

Firewall is Enabled, all IP traffic from the LAN is allowed. By setting up one or more filters, specific packet types coming from the LAN can be dropped.

Example 1: Filter Name

Protocol

Source IP address

: Out_Filter1

: TCP

: 192.168.1.45

Source Subnet Mask : 255.255.255.0

Source Port

Dest. IP Address

Dest. Subnet Mask

Dest. Port

: 80

: NA

: NA

: NA

This filter will Drop all TCP packets coming from the LAN with IP

Address/Subnet Mask of 192.168.1.45/24 having a source port of 80 irrespective of the destination. All other packets will be Accepted.

Example 2: Filter Name

Protocol

Source IP Address

: Out_Filter2

: UDP

: 192.168.1.45

Source Subnet Mask : 255.255.255.0

Source Port

Dest. IP Address

Dest. Subnet Mask

Dest. Port

: 5060:6060

: 172.16.13.4

: 255.255.255.0

: 6060:7070

This filter will drop all UDP packets coming from the LAN with IP Address /

Subnet Mask of 192.168.1.45/24 and a source port range of 5060 to 6060, destined to 172.16.13.4/24 and a destination port range of 6060 to 7070.

INCOMING IP FILTER

Helps in setting rules to Allow or Deny packets from the WAN interface. By default, all incoming IP traffic from the WAN is Blocked, if the Firewall is Enabled. By setting up one or more filters, specific packet types coming from the WAN can be Accepted.

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Example 1: Filter Name

Protocol

Policy

Source IP Address

: In_Filter1

: TCP

: Allow

: 210.168.219.45

Source Subnet Mask : 255.255.0.0

Source Port : 80

Dest. IP Address

Dest. Subnet Mask

: NA

: NA

Dest. Port : NA

Selected WAN interface : br0

This filter will ACCEPT all TCP packets coming from WAN interface “br0” with IP

Address/Subnet Mask 210.168.219.45/16 with a source port of 80, irrespective of the destination. All other incoming packets on this interface are DROPPED.

Example 2: Filter Name

Protocol

Policy

Source IP Address

: In_Filter2

: UDP

: Allow

: 210.168.219.45

Source Subnet Mask : 255.255.0.0

Source Port

Dest. IP Address

Dest. Sub. Mask

Dest. Port

: 5060:6060

: 192.168.1.45

: 255.255.255.0

: 6060:7070

Selected WAN interface : br0

This rule will ACCEPT all UDP packets coming from WAN interface “br0” with IP

Address/Subnet Mask 210.168.219.45/16 and a source port in the range of

5060 to 6060, destined to 192.168.1.45/24 and a destination port in the range of 6060 to 7070. All other incoming packets on this interface are DROPPED.

MAC LAYER FILTER

These rules help in the filtering of Layer 2 traffic. MAC Filtering is only effective in

Bridge mode. After a Bridge mode connection is created, navigate to Advanced

Setup  Security  MAC Filtering in the WUI.

Example 1: Global Policy

Protocol Type

Dest. MAC Address

: Forwarded

: PPPoE

: 00:12:34:56:78:90

Source MAC Address : NA

Src. Interface

Dest. Interface

: eth1

: eth2

Addition of this rule drops all PPPoE frames going from eth1 to eth2 with a

Destination MAC Address of 00:12:34:56:78:90 irrespective of its Source MAC

Address. All other frames on this interface are forwarded.

Example 2: Global Policy

Protocol Type

Dest. MAC Address

: Blocked

: PPPoE

: 00:12:34:56:78:90

Source MAC Address : 00:34:12:78:90:56

Src. Interface : eth1

Dest. Interface : eth2

Addition of this rule forwards all PPPoE frames going from eth1 to eth2 with a

Destination MAC Address of 00:12:34:56:78 and Source MAC Address of

00:34:12:78:90:56. All other frames on this interface are dropped.

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DAYTIME PARENTAL CONTROL

This feature restricts access of a selected LAN device to an outside Network through the NexusLink 3241u/3241eu, as per chosen days of the week and the chosen times.

Example: User Name : FilterJohn

Browser's MAC Address : 00:25:46:78:63:21

Days of the Week

Start Blocking Time

End Blocking Time

: Mon, Wed, Fri

: 14:00

: 18:00

With this rule, a LAN device with MAC Address of 00:25:46:78:63:21 will have no access to the WAN on Mondays, Wednesdays, and Fridays, from 2pm to 6pm.

On all other days and times, this device will have access to the outside

Network.

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Appendix B - Pin Assignments

Giga ETHERNET Ports (RJ45)

Pin Name Description

1 BI_DA+ Bi-directional pair A +

2 BI_DA- Bi-directional pair A -

3 BI_DB+ Bi-directional pair B +

4 BI_DC+ Bi-directional pair C +

5 BI_DC- Bi-directional pair C -

6 BI_DB- Bi-directional pair B -

7 BI_DD+ Bi-directional pair D +

8 BI_DD- Bi-directional pair D -

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Appendix C – Specifications

Hardware Interface

RJ-14 X 1 for ADSL2+ bonding/VDSL2, 17a bonding, RJ-45 X 4 for LAN,

RJ-45 X 1 for WAN, FXS X 2, Reset Button X 1, WiFi on/off button X 1,

Internal Wi-Fi Antennas X 1, External Wi-Fi Antennas X 2, Power Switch X 1,

USB 2.0 Host X 1

WAN Interface

ADSL2+ (Annex B): single line and bonding (NL-3241eu)

ADSL2+ (Annex A): single line and bonding (NL-3241u)

VDSL2 17a, single line and bonding

VDSL2 35b, single line

10/100/1000 Base T, IEEE 802.3, IEEE 802.3u IEEE 802.3ab

LAN Interface

Standard ......................IEEE 802.3, IEEE 802.3u, IEEE 802.3ab

10/100/1000 BaseT .......Auto-sense

MDI/MDX support ..........Yes

WLAN Interface

Standard ....................IEEE802.11b/g/n/ac

Encryption ....................64/128-bit Wired Equivalent Privacy (WEP)

Channels ......................11 (US, Canada)/ 13 (Europe)/ 14 (Japan)

Data Rate……………………….Up to 300Mbps (2.4GHz) Up to 800Mbps (5GHz)

WEP ............................Yes

WPA ............................Yes

IEEE 802.1x .................Yes

MAC Filtering ................Yes

ATM Attributes

RFC 2684 (RFC 1483) Bridge/Route; RFC 2516 (PPPoE);

RFC 2364 (PPPoA); RFC 1577 (IPoA)

PVCs ..........................16

AAL type ......................AAL5

ATM service class ..........UBR/CBR/VBR

ATM UNI support ...........UNI 3.1/4.0

OAM F4/F5 ...................Yes

Management

Compliant with TR-069/TR-098/TR-104/TR-111 remote management protocols, Telnet, Web-based management, Configuration backup and restoration, Software upgrade via HTTP / TFTP / FTP server

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Bridge Functions

Transparent bridging ...............................Yes

VLAN support ........................................Yes

Spanning Tree Algorithm .........................Yes

IGMP Proxy ...........................................Yes

Routing Functions

Static route, RIP v1/v2, NAT/PAT, DHCP Server/Relay, DNS Proxy, ARP,

Security Functions

Authentication protocols: PAP, CHAP

TCP/IP/Port filtering rules, Packet and MAC address filtering, Access Control,

SSH

QoS

IP QoS, L3 policy-based QoS, ToS

Environment Condition

Operating temperature ...........................0 ~ 40 degrees Celsius

Relative humidity ...................................5 ~ 95% (non-condensing)

Dimensions ..................................... 280 mm (W) x 35 mm (H) x 210 mm (D)

Kit Weight

(1* NexusLink 3241u/3241eu, 1*RJ11 cable, 1*RJ45 cable, 1*power adapter) =

1.2 kg

NOTE: Specifications are subject to change without notice.

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Appendix D - SSH Client

Unlike Microsoft Windows, Linux OS has a ssh client included. For Windows users, there is a public domain one called “putty” that can be downloaded from here: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html

To access the ssh client you must first enable SSH access for the LAN or WAN from the Management  Access Control  Services menu in the web user interface.

To access the router using the Linux ssh client

For LAN access, type: ssh -l root 192.168.1.1

For WAN access, type: ssh -l support WAN IP address

To access the router using the Windows “putty” ssh client

For LAN access, type: putty -ssh -l root 192.168.1.1

For WAN access, type: putty -ssh -l support WAN IP address

NOTE: The WAN IP address can be found on the Device Info  WAN screen

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Appendix E - Printer Server

These steps explain the procedure for enabling the Printer Server.

NOTE : This function only applies to models with a USB host port.

STEP 1: Enable Print Server from Web User Interface. Select the Enable on-board print server checkbox  and input Printer name & Make and model. Click the Apply/Save button.

NOTE : The Printer name can be any text string up to 40 characters.

The Make and model can be any text string up to 128 characters.

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STEP 2: Click the Windows start button.  Then select Control Panel .

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STEP 3: Select Devices and Printers .

STEP 4: Select Add a printer .

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STEP 5: Select Add a network, wireless or Bluetooth printer .

STEP 6: Click the Stop button.  Select The printer that I want isn’t listed .

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STEP 7: Choose Select a shared printer by name . Then input the printer link

and click Next . http://LAN IP:631/printers/ the name of the printer

NOTE : The printer name must be the same name inputted in the WEB UI “printer server settings” as in step 1.

STEP 8: Select the manufacturer  and model of your printer  then, click OK .

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STEP 9: The printer has been successfully installed.

Click the Next button.

STEP 10: Click Finish (or print a test page if required).

190

STEP 11: Go to  Control Panel  All Control Panel Items  Devices and

Printers to confirm that the printer has been configured.

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Appendix F - Connection Setup

Creating a WAN connection is a two-stage process.

1 -

2 -

Setup a Layer 2 Interface (ATM, PTM or Ethernet).

Add a WAN connection to the Layer 2 Interface.

The following sections describe each stage in turn.

F1 ~ Layer 2 Interfaces

Every layer2 interface operates in Multi-Service Connection (VLAN MUX) mode, which supports multiple connections over a single interface. Note that PPPoA and

IPoA connection types are not supported for Ethernet WAN interfaces. After adding

WAN connections to an interface, you must also create an Interface Group to connect LAN/WAN interfaces.

F1.1 ATM Interfaces

Follow these procedures to configure an ATM interface.

NOTE : The NexusLink 3241u/3241eu supports up to 16 ATM interfaces.

STEP 1: Go to Advanced Setup  Layer2 Interface  ATM Interface.

This table is provided here for ease of reference.

Heading Description

Interface

VPI

WAN interface name

ATM VPI (0-255)

VCI

DSL Latency

Category

Peak Cell Rate

Sustainable Cell

Rate

Max Burst Size

ATM VCI (32-65535)

{Path0}  portID = 0

ATM service category

Maximum allowed traffic rate for the ATM PCR service connection

The average allowable, long-term cell transfer rate on the VBR service connection

The maximum allowable burst size of cells that can be transmitted continuously on the VBR service connection

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Heading

Min Cell

Rate(cells/s)

Link Type

Description

Min Cell Rate(cells/s)

Connection Mode Default Mode – Single service over one connection

Vlan Mux Mode – Multiple Vlan service over one connection

IP QoS

MPAAL

Choose EoA (for PPPoE, IPoE, and Bridge), PPPoA, or IPoA.

Quality of Service (QoS) status

QoS Scheduler algorithm and queue weight defined for the connection

Remove Select items for removal

STEP 2: Click Add to proceed to the next screen.

NOTE: To add WAN connections to one interface type, you must delete existing connections from the other interface type using the remove button.

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There are many settings here including: VPI/VCI, DSL Link Type, Encapsulation

Mode, Service Category and Queue Weight.

Here are the available encapsulations for each xDSL Link Type:

 EoA- LLC/SNAP-BRIDGING, VC/MUX

 PPPoA- VC/MUX, LLC/ENCAPSULATION

 IPoA- LLC/SNAP-ROUTING, VC MUX

STEP 3: Click Apply/Save to confirm your choices.

On the next screen, check that the ATM interface is added to the list. For example, an ATM interface on PVC 0/35 in Default Mode with an EoA Link type is shown below.

To add a WAN connection go to Section F2 ~ WAN Connections.

F1.2 PTM Interfaces

Follow these procedures to configure a PTM interface.

STEP 1: Go to Advanced Setup  Layer2 Interface  PTM Interface.

This table is provided here for ease of reference.

Heading Description

Interface

DSL Latency

WAN interface name.

{Path0}  portID = 0

PTM Priority Normal or High Priority (Preemption).

Connection Mode Default Mode – Single service over one interface.

Vlan Mux Mode – Multiple Vlan services over one interface.

IP QoS

Remove

Quality of Service (QoS) status.

Select interfaces to remove.

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STEP 2: Click Add to proceed to the next screen.

NOTE: To add WAN connections to one interface type, you must delete existing connections from the other interface type using the remove button.

Default PTM interface Quality of Service can be configured here, including Scheduler,

Queue Weight and Rate Limit.

STEP 3: Click Apply/Save to confirm your choices.

On the next screen, check that the PTM interface is added to the list.

For example, a PTM interface in Default Mode is shown below.

To add a WAN connection go to Section F2 ~ WAN Connections.

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F1.3 Ethernet WAN Interface

The NexusLink 3241u/3241eu supports a single Ethernet WAN interface over the

ETH WAN port. Follow these procedures to configure an Ethernet interface.

STEP 1: Go to Advanced Setup  Layer2 Interface  ETH Interface.

This table is provided here for ease of reference.

Heading Description

Interface/ (Name) WAN interface name.

Connection Mode Default Mode – Single service over one interface.

Vlan Mux Mode – Multiple Vlan services over one interface.

Remove Select interfaces to remove.

STEP 2: Click Add to proceed to the next screen.

STEP 3: Select an Ethernet port and Click Apply/Save to confirm your choices.

On the next screen, check that the ETHERNET interface is added to the list.

To add a WAN connection go to Section F2 ~ WAN Connections.

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F2 ~ WAN Connections

The NexusLink 3241u/3241eu supports one WAN connection for each interface, up to a maximum of 16 connections.

To setup a WAN connection follow these instructions.

STEP 1: Go to the Advanced Setup  WAN Service screen.

STEP 2: Click Add to create a WAN connection. The following screen will display.

STEP 3: Choose a layer 2 interface from the drop-down box and click Next .

The WAN Service Configuration screen will display as shown below.

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NOTE : The WAN services shown here are those supported by the layer 2 interface you selected in the previous step. If you wish to change your selection click the Back button and select a different layer 2 interface.

STEP 4: For VLAN Mux Connections only, you must enter Priority & VLAN ID tags.

Select a TPID if VLAN tag Q-in-Q is used.

STEP 5: You will now follow the instructions specific to the WAN service type you wish to establish. This list should help you locate the correct procedure:

(1) For F2.1 PPP over ETHERNET (PPPoE) – IPv4

(2) For F2.2 IP over ETHERNET (IPoE) – IPv4

(3) For F2.3 Bridging – IPv4

(4) For F2.4 PPP over ATM (PPPoA) – IPv4

(5) For F2.5 IP over ATM (IPoA) – IPv4

(6) For F2.6 PPP over ETHERNET (PPPoE) – IPv6

(7) For F2.7 IP over ETHERNET (IPoE) – IPv6

(8) Bridging – IPv6 (Not Supported)

(9) For F2.8 PPP over ATM (PPPoA) – IPv6

(10) IPoA – IPv6 (Not Supported)

The subsections that follow continue the WAN service setup procedure.

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F2.1 PPP over ETHERNET (PPPoE) – IPv4

STEP 1: Select the PPP over Ethernet radio button and click Next .

*

For tagged service, enter valid 802.1P Priority and 802.1Q VLAN ID.

For untagged service, set -1 to both 802.1P Priority and 802.1Q VLAN ID

Select a TPID if VLAN tag Q-in-Q is used.

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STEP 2: On the next screen, enter the PPP settings as provided by your ISP.

Click Next to continue or click Back to return to the previous step.

Click Next to continue or click Back to return to the previous step.

The settings shown above are described below.

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PPP SETTINGS

The PPP Username, PPP password and the PPPoE Service Name entries are dependent on the particular requirements of the ISP. The user name can be a maximum of 256 characters and the password a maximum of 32 characters in length. For Authentication Method, choose from AUTO, PAP, CHAP, and MSCHAP.

ENABLE FULLCONE NAT

This option becomes available when NAT is enabled. Known as one-to-one NAT, all requests from the same internal IP address and port are mapped to the same external IP address and port. An external host can send a packet to the internal host, by sending a packet to the mapped external address.

DIAL ON DEMAND

The NexusLink 3241u/3241eu can be configured to disconnect if there is no activity for a period of time by selecting the Dial on demand checkbox  . You must also enter an inactivity timeout period in the range of 1 to 4320 minutes.

PPP IP EXTENSION

The PPP IP Extension is a special feature deployed by some service providers.

Unless your service provider specifically requires this setup, do not select it.

PPP IP Extension does the following:

 Allows only one PC on the LAN.

 Disables NAT and Firewall.

 The device becomes the default gateway and DNS server to the PC through DHCP using the LAN interface IP address.

 The device extends the IP subnet at the remote service provider to the

LAN PC. i.e. the PC becomes a host belonging to the same IP subnet.

 The device bridges the IP packets between WAN and LAN ports, unless the packet is addressed to the device’s LAN IP address.

 The public IP address assigned by the remote side using the PPP/IPCP protocol is actually not used on the WAN PPP interface. Instead, it is forwarded to the PC LAN interface through DHCP. Only one PC on the

LAN can be connected to the remote, since the DHCP server within the device has only a single IP address to assign to a LAN device.

ENABLE NAT

If the LAN is configured with a private IP address, the user should select this checkbox  . The NAT submenu will appear in the Advanced Setup menu after reboot.

On the other hand, if a private IP address is not used on the LAN side (i.e. the LAN side is using a public IP), this checkbox  should not be selected to free up system resources for better performance.

ENABLE FIREWALL

If this checkbox  is selected, the Security submenu will be displayed on the

Advanced Setup menu after reboot. If firewall is not necessary, this checkbox  should not be selected to free up system resources for better performance.

201

USE STATIC IPv4 ADDRESS

Unless your service provider specially requires it, do not select this checkbox  . If selected, enter the static IP address in the IPv4 Address field.

Don’t forget to adjust the IP configuration to Static IP Mode as described in section

3.2 IP Configuration .

FIXED MTU

Maximum Transmission Unit. The size (in bytes) of largest protocol data unit which the layer can pass onwards. This value is 1492 for PPPoE.

ENABLE PPP DEBUG MODE

When this option is selected, the system will put more PPP connection information into the system log. This is for debugging errors and not for normal usage.

BRIDGE PPPOE FRAMES BETWEEN WAN AND LOCAL PORTS

(This option is hidden when PPP IP Extension is enabled)

When Enabled, this creates local PPPoE connections to the WAN side. Enable this option only if all LAN-side devices are running PPPoE clients, otherwise disable it.

The NexusLink 3241u/3241eu supports pass-through PPPoE sessions from the LAN side while simultaneously running a PPPoE client from non-PPPoE LAN devices.

ENABLE IGMP MULTICAST PROXY

Tick the checkbox  to enable Internet Group Membership Protocol (IGMP) multicast. This protocol is used by IPv4 hosts to report their multicast group memberships to any neighboring multicast routers.

ENABLE IGMP MULTICAST SOURCE

Enable the WAN interface to be used as IGMP multicast source.

STEP 3: Choose an interface to be the default gateway.

Click Next to continue or click Back to return to the previous step.

202

STEP 4: Select DNS Server Interface from available WAN interfaces OR enter

static DNS server IP addresses for the system. In ATM mode, if only a

single PVC with IPoA or static IPoE protocol is configured, Static DNS

server IP addresses must be entered.

Click Next to continue or click Back to return to the previous step.

203

STEP 5: The WAN Setup - Summary screen shows a preview of the WAN service you have configured. Check these settings and click Apply/Save if they are correct, or click Back to modify them.

After clicking Apply/Save , the new service should appear on the main screen.

204

F2.2 IP over ETHERNET (IPoE) – IPv4

STEP 1: * Select the IP over Ethernet radio button and click Next.

*

For tagged service, enter valid 802.1P Priority and 802.1Q VLAN ID.

For untagged service, set -1 to both 802.1P Priority and 802.1Q VLAN ID

Select a TPID if VLAN tag Q-in-Q is used.

205

STEP 2: The WAN IP settings screen provides access to the DHCP server settings.

You can select the Obtain an IP address automatically radio button to enable DHCP (use the DHCP Options only if necessary). However, if you prefer, you can use the Static IP address method instead to assign WAN

IP address, Subnet Mask and Default Gateway manually.

Click Next to continue or click Back to return to the previous step.

206

STEP 3: This screen provides access to NAT, Firewall and IGMP Multicast settings.

Enable each by selecting the appropriate checkbox  . Click Next to continue or click Back to return to the previous step.

ENABLE NAT

If the LAN is configured with a private IP address, the user should select this checkbox  . The NAT submenu will appear in the Advanced Setup menu after reboot. On the other hand, if a private IP address is not used on the LAN side (i.e. the LAN side is using a public IP), this checkbox  should not be selected, so as to free up system resources for improved performance.

ENABLE FULLCONE NAT

This option becomes available when NAT is enabled. Known as one-to-one NAT, all requests from the same internal IP address and port are mapped to the same external IP address and port. An external host can send a packet to the internal host, by sending a packet to the mapped external address.

ENABLE FIREWALL

If this checkbox  is selected, the Security submenu will be displayed on the

Advanced Setup menu after reboot. If firewall is not necessary, this checkbox  should not be selected so as to free up system resources for better performance.

ENABLE IGMP MULTICAST PROXY

Tick the checkbox  to enable Internet Group Membership Protocol (IGMP) multicast. This protocol is used by IPv4 hosts to report their multicast group memberships to any neighboring multicast routers.

ENABLE IGMP MULTICAST SOURCE

Enable the WAN interface to be used as IGMP multicast source.

207

STEP 4: C hoose an interface to be the default gateway.

Click Next to continue or click Back to return to the previous step.

208

STEP 5: Select DNS Server Interface from available WAN interfaces OR enter static

DNS server IP addresses for the system. In ATM mode, if only a single PVC with IPoA or static IPoE protocol is configured, Static DNS server IP addresses must be entered.

Click Next to continue or click Back to return to the previous step.

209

STEP 6: The WAN Setup - Summary screen shows a preview of the WAN service you have configured. Check these settings and click Apply/Save if they are correct, or click Back to modify them.

After clicking Apply/Save , the new service should appear on the main screen.

210

F2.3 Bridging – IPv4

STEP 1: * Select the Bridging radio button and click Next .

Allow as IGMP Multicast Source

Click to allow use of this bridge WAN interface as IGMP multicast source.

Allow as MLD Multicast Source

Click to allow use of this bridge WAN interface as MLD multicast source.

*

For tagged service, enter valid 802.1P Priority and 802.1Q VLAN ID.

For untagged service, set -1 to both 802.1P Priority and 802.1Q VLAN ID

Select a TPID if VLAN tag Q-in-Q is used.

211

STEP 2: The WAN Setup - Summary screen shows a preview of the WAN service you have configured. Check these settings and click Apply/Save if they are correct, or click Back to return to the previous screen.

After clicking Apply/Save , the new service should appear on the main screen.

NOTE: If this bridge connection is your only WAN service, the NexusLink

3241u/3241eu will be inaccessible for remote management or technical support from the WAN.

212

F2.4 PPP over ATM (PPPoA) – IPv4

STEP 1: Click Next to continue.

213

STEP 2: On the next screen, enter the PPP settings as provided by your ISP.

Click Next to continue or click Back to return to the previous step.

PPP SETTINGS

The PPP username and password are dependent on the requirements of the ISP.

The user name can be a maximum of 256 characters and the password a maximum of 32 characters in length. (Authentication Method: AUTO, PAP, CHAP, or MSCHAP.)

ENABLE FULLCONE NAT

This option becomes available when NAT is enabled. Known as one-to-one NAT, all requests from the same internal IP address and port are mapped to the same external IP address and port. An external host can send a packet to the internal host, by sending a packet to the mapped external address.

214

DIAL ON DEMAND

The NexusLink 3241u/3241eu can be configured to disconnect if there is no activity for a period of time by selecting the Dial on demand checkbox  . You must also enter an inactivity timeout period in the range of 1 to 4320 minutes.

PPP IP EXTENSION

The PPP IP Extension is a special feature deployed by some service providers.

Unless your service provider specifically requires this setup, do not select it.

PPP IP Extension does the following:

 Allows only one PC on the LAN.

 Disables NAT and Firewall.

 The device becomes the default gateway and DNS server to the PC through DHCP using the LAN interface IP address.

 The device extends the IP subnet at the remote service provider to the

LAN PC. i.e. the PC becomes a host belonging to the same IP subnet.

 The device bridges the IP packets between WAN and LAN ports, unless the packet is addressed to the device’s LAN IP address.

 The public IP address assigned by the remote side using the PPP/IPCP protocol is actually not used on the WAN PPP interface. Instead, it is forwarded to the PC LAN interface through DHCP. Only one PC on the

LAN can be connected to the remote, since the DHCP server within the device has only a single IP address to assign to a LAN device.

ENABLE NAT

If the LAN is configured with a private IP address, the user should select this checkbox  . The NAT submenu will appear in the Advanced Setup menu after reboot.

On the other hand, if a private IP address is not used on the LAN side (i.e. the LAN side is using a public IP), this checkbox  should not be selected to free up system resources for better performance.

ENABLE FIREWALL

If this checkbox  is selected, the Security submenu will be displayed on the

Advanced Setup menu after reboot. If firewall is not necessary, this checkbox  should not be selected to free up system resources for better performance.

USE STATIC IPv4 ADDRESS

Unless your service provider specially requires it, do not select this checkbox  . If selected, enter the static IP address in the IP Address field. Also, don’t forget to adjust the IP configuration to Static IP Mode as described in Section 3.2

.

Fixed MTU

Fixed Maximum Transmission Unit. The size (in bytes) of largest protocol data unit which the layer can pass onwards. This value is 1500 for PPPoA.

ENABLE PPP DEBUG MODE

When this option is selected, the system will put more PPP connection information into the system log. This is for debugging errors and not for normal usage.

215

ENABLE IGMP MULTICAST PROXY

Tick the checkbox  to enable Internet Group Membership Protocol (IGMP) multicast. This protocol is used by IPv4 hosts to report their multicast group memberships to any neighboring multicast routers.

ENABLE IGMP MULTICAST SOURCE

Enable the WAN interface to be used as IGMP multicast source.

STEP 3: Choose an interface to be the default gateway.

Click Next to continue or click Back to return to the previous step.

216

STEP 4: Select DNS Server Interface from available WAN interfaces OR enter static

DNS server IP addresses for the system. In ATM mode, if only a single PVC with IPoA or static IPoE protocol is configured, Static DNS server IP addresses must be entered.

Click Next to continue or click Back to return to the previous step.

217

STEP 5: The WAN Setup - Summary screen shows a preview of the WAN service you have configured. Check these settings and click Apply/Save if they are correct, or click Back to modify them.

After clicking Apply/Save , the new service should appear on the main screen.

218

F2.5 IP over ATM (IPoA) – IPv4

STEP 1: Click Next to continue.

STEP 2: Enter the WAN IP settings provided by your ISP. Click Next to continue.

STEP 3: This screen provides access to NAT, Firewall and IGMP Multicast settings.

Enable each by selecting the appropriate checkbox  . Click Next to continue or click Back to return to the previous step.

219

ENABLE NAT

If the LAN is configured with a private IP address, the user should select this checkbox  . The NAT submenu will appear in the Advanced Setup menu after reboot. On the other hand, if a private IP address is not used on the LAN side (i.e. the LAN side is using a public IP), this checkbox  should not be selected, so as to free up system resources for improved performance.

ENABLE FULLCONE NAT

This option becomes available when NAT is enabled.

Known as one-to-one NAT, all requests from the same internal IP address and port are mapped to the same external IP address and port. An external host can send a packet to the internal host by sending a packet to the mapped external address.

ENABLE FIREWALL

If this checkbox  is selected, the Security submenu will be displayed on the

Advanced Setup menu after reboot. If firewall is not necessary, this checkbox  should not be selected so as to free up system resources for better performance.

ENABLE IGMP MULTICAST PROXY

Tick the checkbox  to enable Internet Group Membership Protocol (IGMP) multicast. This protocol is used by IPv4 hosts to report their multicast group memberships to any neighboring multicast routers.

ENABLE IGMP MULTICAST SOURCE

Enable the WAN interface to be used as IGMP multicast source.

STEP 4: Choose an interface to be the default gateway.

Click Next to continue or click Back to return to the previous step.

220

NOTE : If the DHCP server is not enabled on another WAN interface then the following notification will be shown before the next screen.

STEP 5: Select DNS Server Interface from available WAN interfaces OR enter static

DNS server IP addresses for the system. In ATM mode, if only a single PVC

with IPoA or static IPoE protocol is configured, Static DNS server IP

addresses must be entered.

Click Next to continue or click Back to return to the previous step.

221

STEP 6: The WAN Setup - Summary screen shows a preview of the WAN service you have configured. Check these settings and click Apply/Save if they are correct, or click Back to modify them.

After clicking Apply/Save , the new service should appear on the main screen.

222

F2.6 PPP over ETHERNET (PPPoE) – IPv6

STEP 1: *Select the PPP over Ethernet radio button. Then select IPv6 only from the drop-down box at the bottom off the screen and click Next .

*

For tagged service, enter valid 802.1P Priority and 802.1Q VLAN ID.

For untagged service, set -1 to both 802.1P Priority and 802.1Q VLAN ID.

Select a TPID if VLAN tag Q-in-Q is used.

223

STEP 2: On the next screen, enter the PPP settings as provided by your ISP.

Click Next to continue or click Back to return to the previous step.

The settings shown above are described below.

224

PPP SETTINGS

The PPP Username, PPP password and the PPPoE Service Name entries are dependent on the particular requirements of the ISP. The user name can be a maximum of 256 characters and the password a maximum of 32 characters in length. For Authentication Method, choose from AUTO, PAP, CHAP, and MSCHAP.

ENABLE FULLCONE NAT

This option becomes available when NAT is enabled. Known as one-to-one NAT, all requests from the same internal IP address and port are mapped to the same external IP address and port. An external host can send a packet to the internal host, by sending a packet to the mapped external address.

DIAL ON DEMAND

The NexusLink 3241u/3241eu can be configured to disconnect if there is no activity for a period of time by selecting the Dial on demand checkbox  . You must also enter an inactivity timeout period in the range of 1 to 4320 minutes.

PPP IP EXTENSION

The PPP IP Extension is a special feature deployed by some service providers.

Unless your service provider specifically requires this setup, do not select it.

PPP IP Extension does the following:

 Allows only one PC on the LAN.

 Disables NAT and Firewall.

 The device becomes the default gateway and DNS server to the PC through DHCP using the LAN interface IP address.

 The device extends the IP subnet at the remote service provider to the

LAN PC. i.e. the PC becomes a host belonging to the same IP subnet.

 The device bridges the IP packets between WAN and LAN ports, unless the packet is addressed to the device’s LAN IP address.

 The public IP address assigned by the remote side using the PPP/IPCP protocol is actually not used on the WAN PPP interface. Instead, it is forwarded to the PC LAN interface through DHCP. Only one PC on the

LAN can be connected to the remote, since the DHCP server within the device has only a single IP address to assign to a LAN device.

ENABLE FIREWALL

If this checkbox  is selected, the Security submenu will be displayed on the

Advanced Setup menu after reboot. If firewall is not necessary, this checkbox  should not be selected to free up system resources for better performance.

USE STATIC IPv4 ADDRESS

Unless your service provider specially requires it, do not select this checkbox  . If selected, enter the static IP address in the IPv4 Address field.

Don’t forget to adjust the IP configuration to Static IP Mode as described in section

3.2 IP Configuration .

225

USE STATIC IPv6 ADDRESS

Unless your service provider specially requires it, do not select this checkbox  . If selected, enter the static IP address in the IPv6 Address field.

Don’t forget to adjust the IP configuration to Static IP Mode as described in section

3.2 IP Configuration .

ENABLE IPv6 UNNUMBERED MODEL

The IP unnumbered configuration command allows you to enable IP processing on a serial interface without assigning it an explicit IP address. The IP unnumbered interface can "borrow" the IP address of another interface already configured on the router, which conserves network and address space.

LAUNCH DHCP6C FOR ADDRESS ASSIGNMENT (IANA)

The Internet Assigned Numbers Authority (IANA) is a department of ICANN responsible for coordinating some of the key elements that keep the Internet running smoothly. Whilst the Internet is renowned for being a worldwide network free from central coordination, there is a technical need for some key parts of the

Internet to be globally coordinated, and this coordination role is undertaken by

IANA.

Specifically, IANA allocates and maintains unique codes and numbering systems that are used in the technical standards (“protocols”) that drive the Internet.

IANA’s various activities can be broadly grouped in to three categories:

• Domain Names

IANA manages the DNS Root, the .int and .arpa domains, and an IDN practices

resource.

• Number Resources

IANA coordinates the global pool of IP and AS numbers, providing them to

Regional Internet Registries.

• Protocol Assignments

Internet protocols’ numbering systems are managed by IANA in conjunction

with standards bodies.

LAUNCH DHCP6C FOR PREFIX DELEGATION (IAPD)

An Identity Association for Prefix Delegation (IAPD) is a collection of prefixes assigned to a requesting device. A requesting device may have more than one IAPD; for example, one for each of its interfaces.

A prefix-delegating router (DHCPv6 server) selects prefixes to be assigned to a requesting router (DHCPv6 client) upon receiving a request from the client. The server can select prefixes for a requesting client by using static and dynamic assignment mechanisms. Administrators can manually configure a list of prefixes and associated preferred and valid lifetimes for an IAPD of a specific client that is identified by its DUID.

When the delegating router receives a request from a client, it checks if there is a static binding configured for the IAPD in the client’s message. If a static binding is present, the prefixes in the binding are returned to the client. If no such binding is found, the server attempts to assign prefixes for the client from other sources.

An IPv6 prefix delegating router can also select prefixes for a requesting router based on an external authority such as a RADIUS server using the

Framed-IPv6-Prefix attribute.

LAUNCH DHCP6C FOR RAPID COMMIT

Rapid-Commit; is the process (option) in which a Requesting Router (DHCP Client) obtains "configurable information" (configurable parameters) from a Delegating

Router (DHCP Server) by using a rapid DHCPv6 two-message exchange. The messages that are exchanged between the two routers (RR and DR) are called the

DHCPv6 "SOLICIT" message and the DHCPv6 "REPLY" message.

226

FIXED MTU

Maximum Transmission Unit. The size (in bytes) of largest protocol data unit which the layer can pass onwards. This value is 1492 for PPPoE.

ENABLE PPP DEBUG MODE

When this option is selected, the system will put more PPP connection information into the system log. This is for debugging errors and not for normal usage.

BRIDGE PPPOE FRAMES BETWEEN WAN AND LOCAL PORTS

(This option is hidden when PPP IP Extension is enabled)

When Enabled, this creates local PPPoE connections to the WAN side. Enable this option only if all LAN-side devices are running PPPoE clients, otherwise disable it.

The NexusLink 3241u/3241eu supports pass-through PPPoE sessions from the LAN side while simultaneously running a PPPoE client from non-PPPoE LAN devices.

ENABLE MLD MULTICAST PROXY

Multicast Listener Discovery (MLD) is a component of the Internet Protocol Version

6 (IPv6) suite. MLD is used by IPv6 routers for discovering multicast listeners on a directly attached link, much like IGMP is used in IPv4. The protocol is embedded in

ICMPv6 instead of using a separate protocol.

ENABLE MLD MULTICAST SOURCE

Click to allow use of this WAN interface as Multicast Listener Discovery (MLD) multicast source.

STEP 3: Choose an interface to be the default gateway. Also, select a preferred

WAN interface as the system default IPv6 gateway (from the drop-down

box).

Click Next to continue or click Back to return to the previous step.

227

STEP 4: Select DNS Server Interface from available WAN interfaces OR enter

static DNS server IP addresses for the system. In ATM mode, if only a

single PVC with IPoA or static IPoE protocol is configured, Static DNS

server IP addresses must be entered.

Select the configured WAN interface for IPv6 DNS server information OR enter the static IPv6 DNS server Addresses. Note that selecting a WAN interface for IPv6 DNS server will enable DHCPv6 Client on that interface.

Click Next to continue or click Back to return to the previous step.

228

STEP 5: The WAN Setup - Summary screen shows a preview of the WAN service you have configured. Check these settings and click Apply/Save if they are correct, or click Back to modify them.

After clicking Apply/Save , the new service should appear on the main screen.

229

F2.7 IP over ETHERNET (IPoE) – IPv6

STEP 1: Select the IP over Ethernet radio button and click Next. * Then select

IPv6 only from the drop-down box at the bottom off the screen and click

Next .

*

For tagged service, enter valid 802.1P Priority and 802.1Q VLAN ID.

For untagged service, set -1 to both 802.1P Priority and 802.1Q VLAN ID

Select a TPID if VLAN tag Q-in-Q is used.

230

STEP 2: The WAN IP settings screen provides access to the DHCP server settings.

You can select the Obtain an IPv6 address automatically radio button to enable DHCP (use the DHCP Options only if necessary). However, if you prefer, you can use the Static IPv6 address method instead to assign

WAN IP address, Subnet Mask and Default Gateway manually.

Enter information provided to you by your ISP to configure the WAN IPv6 settings.

Notice: If “Obtain an IPv6 address automatically” is chosen, DHCP client will be enabled on this WAN interface.

If “Use the following Static IPv6 address” is chosen, enter the static WAN IPv6 address. If the address prefix length is not specified, it will be default to /64.

Click Next to continue or click Back to return to the previous step.

231

DHCP6C FOR ADDRESS ASSIGNMENT (IANA)

The Internet Assigned Numbers Authority (IANA) is a department of ICANN responsible for coordinating some of the key elements that keep the Internet running smoothly. Whilst the Internet is renowned for being a worldwide network free from central coordination, there is a technical need for some key parts of the

Internet to be globally coordinated, and this coordination role is undertaken by

IANA.

Specifically, IANA allocates and maintains unique codes and numbering systems that are used in the technical standards (“protocols”) that drive the Internet.

IANA’s various activities can be broadly grouped in to three categories:

• Domain Names

IANA manages the DNS Root, the .int and .arpa domains, and an IDN practices

resource.

• Number Resources

IANA coordinates the global pool of IP and AS numbers, providing them to

Regional Internet Registries.

• Protocol Assignments

Internet protocols’ numbering systems are managed by IANA in conjunction

with standards bodies.

DHCP6C FOR PREFIX DELEGATION (IAPD)

An Identity Association for Prefix Delegation (IAPD) is a collection of prefixes assigned to a requesting device. A requesting device may have more than one IAPD; for example, one for each of its interfaces.

A prefix-delegating router (DHCPv6 server) selects prefixes to be assigned to a requesting router (DHCPv6 client) upon receiving a request from the client. The server can select prefixes for a requesting client by using static and dynamic assignment mechanisms. Administrators can manually configure a list of prefixes and associated preferred and valid lifetimes for an IAPD of a specific client that is identified by its DUID.

When the delegating router receives a request from a client, it checks if there is a static binding configured for the IAPD in the client’s message. If a static binding is present, the prefixes in the binding are returned to the client. If no such binding is found, the server attempts to assign prefixes for the client from other sources.

An IPv6 prefix delegating router can also select prefixes for a requesting router based on an external authority such as a RADIUS server using the

Framed-IPv6-Prefix attribute.

DHCP6C FOR RAPID COMMIT

Rapid-Commit; is the process (option) in which a Requesting Router (DHCP Client) obtains "configurable information" (configurable parameters) from a Delegating

Router (DHCP Server) by using a rapid DHCPv6 two-message exchange. The messages that are exchanged between the two routers (RR and DR) are called the

DHCPv6 "SOLICIT" message and the DHCPv6 "REPLY" message.

WAN NEXT-HOP IPv6 ADDRESS

Specify the Next-Hop IPv6 address for this WAN interface.

This address can be either a link local or a global unicast IPv6 address.

232

STEP 3: This screen provides access to NAT, Firewall and IGMP Multicast settings.

Enable each by selecting the appropriate checkbox  .

Click Next to continue or click Back to return to the previous step.

ENABLE NAT

If the LAN is configured with a private IP address, the user should select this checkbox  . The NAT submenu will appear in the Advanced Setup menu after reboot. On the other hand, if a private IP address is not used on the LAN side (i.e. the LAN side is using a public IP), this checkbox  should not be selected, so as to free up system resources for improved performance.

ENABLE FIREWALL

If this checkbox  is selected, the Security submenu will be displayed on the

Advanced Setup menu after reboot. If firewall is not necessary, this checkbox  should not be selected so as to free up system resources for better performance.

ENABLE MLD MULTICAST PROXY

Multicast Listener Discovery (MLD) is a component of the Internet Protocol Version

6 (IPv6) suite. MLD is used by IPv6 routers for discovering multicast listeners on a directly attached link, much like IGMP is used in IPv4. The protocol is embedded in

ICMPv6 instead of using a separate protocol.

ENABLE MLD MULTICAST SOURCE

Click to allow use of this WAN interface as Multicast Listener Discovery (MLD) multicast source.

233

STEP 4: To choose an interface to be the default gateway. Also, select a preferred

WAN interface as the system default IPv6 gateway (from the

drop-down box).

Click Next to continue or click Back to return to the previous step.

234

STEP 5: Select DNS Server Interface from available WAN interfaces OR enter static

DNS server IP addresses for the system. In ATM mode, if only a single PVC

with IPoA or static IPoE protocol is configured, Static DNS server IP

addresses must be entered.

Select the configured WAN interface for IPv6 DNS server information OR enter the static IPv6 DNS server Addresses. Note that selecting a WAN interface for IPv6 DNS server will enable DHCPv6 Client on that interface.

Click Next to continue or click Back to return to the previous step.

235

STEP 6: The WAN Setup - Summary screen shows a preview of the WAN service

you have configured. Check these settings and click Apply/Save if they

are correct, or click Back to modify them.

After clicking Apply/Save , the new service should appear on the main screen.

236

F2.8 PPP over ATM (PPPoA) – IPv6

STEP 1: Select IPv6 Only from the drop-down box at the bottom

of this screen and click Next .

237

STEP 2: On the next screen, enter the PPP settings as provided by your ISP.

Click Next to continue or click Back to return to the previous step.

PPP SETTINGS

The PPP username and password are dependent on the requirements of the ISP.

The user name can be a maximum of 256 characters and the password a maximum of 32 characters in length. (Authentication Method: AUTO, PAP, CHAP, or MSCHAP.)

238

ENABLE FULLCONE NAT

This option becomes available when NAT is enabled. Known as one-to-one NAT, all requests from the same internal IP address and port are mapped to the same external IP address and port. An external host can send a packet to the internal host, by sending a packet to the mapped external address.

DIAL ON DEMAND

The NexusLink 3241u/3241eu can be configured to disconnect if there is no activity for a period of time by selecting the Dial on demand checkbox  . You must also enter an inactivity timeout period in the range of 1 to 4320 minutes.

PPP IP EXTENSION

The PPP IP Extension is a special feature deployed by some service providers.

Unless your service provider specifically requires this setup, do not select it.

PPP IP Extension does the following:

 Allows only one PC on the LAN.

 Disables NAT and Firewall.

 The device becomes the default gateway and DNS server to the PC through DHCP using the LAN interface IP address.

 The device extends the IP subnet at the remote service provider to the

LAN PC. i.e. the PC becomes a host belonging to the same IP subnet.

 The device bridges the IP packets between WAN and LAN ports, unless the packet is addressed to the device’s LAN IP address.

 The public IP address assigned by the remote side using the PPP/IPCP protocol is actually not used on the WAN PPP interface. Instead, it is forwarded to the PC LAN interface through DHCP. Only one PC on the

LAN can be connected to the remote, since the DHCP server within the device has only a single IP address to assign to a LAN device.

ENABLE FIREWALL

If this checkbox  is selected, the Security submenu will be displayed on the

Advanced Setup menu after reboot. If firewall is not necessary, this checkbox  should not be selected to free up system resources for better performance.

USE STATIC IPv4 ADDRESS

Unless your service provider specially requires it, do not select this checkbox  . If selected, enter the static IP address in the IP Address field. Also, don’t forget to adjust the IP configuration to Static IP Mode as described in 3.2 IP Configuration .

USE STATIC IPv6 ADDRESS

Unless your service provider specially requires it, do not select this checkbox  . If selected, enter the static IP address in the IPv6 Address field.

Don’t forget to adjust the IP configuration to Static IP Mode as described in section

3.2 IP Configuration .

239

ENABLE IPv6 UNNUMBERED MODEL

The IP unnumbered configuration command allows you to enable IP processing on a serial interface without assigning it an explicit IP address. The IP unnumbered interface can "borrow" the IP address of another interface already configured on the router, which conserves network and address space.

LAUNCH DHCP6C FOR ADDRESS ASSIGNMENT (IANA)

The Internet Assigned Numbers Authority (IANA) is a department of ICANN responsible for coordinating some of the key elements that keep the Internet running smoothly. Whilst the Internet is renowned for being a worldwide network free from central coordination, there is a technical need for some key parts of the

Internet to be globally coordinated, and this coordination role is undertaken by

IANA.

Specifically, IANA allocates and maintains unique codes and numbering systems that are used in the technical standards (“protocols”) that drive the Internet.

IANA’s various activities can be broadly grouped in to three categories:

• Domain Names

IANA manages the DNS Root, the .int and .arpa domains, and an IDN practices

resource.

• Number Resources

IANA coordinates the global pool of IP and AS numbers, providing them to

Regional Internet Registries.

• Protocol Assignments

Internet protocols’ numbering systems are managed by IANA in conjunction

with standards bodies.

LAUNCH DHCP6C FOR PREFIX DELEGATION (IAPD)

An Identity Association for Prefix Delegation (IAPD) is a collection of prefixes assigned to a requesting device. A requesting device may have more than one IAPD; for example, one for each of its interfaces.

A prefix-delegating router (DHCPv6 server) selects prefixes to be assigned to a requesting router (DHCPv6 client) upon receiving a request from the client. The server can select prefixes for a requesting client by using static and dynamic assignment mechanisms. Administrators can manually configure a list of prefixes and associated preferred and valid lifetimes for an IAPD of a specific client that is identified by its DUID.

When the delegating router receives a request from a client, it checks if there is a static binding configured for the IAPD in the client’s message. If a static binding is present, the prefixes in the binding are returned to the client. If no such binding is found, the server attempts to assign prefixes for the client from other sources.

An IPv6 prefix delegating router can also select prefixes for a requesting router based on an external authority such as a RADIUS server using the

Framed-IPv6-Prefix attribute.

LAUNCH DHCP6C FOR RAPID COMMIT

Rapid-Commit; is the process (option) in which a Requesting Router (DHCP Client) obtains "configurable information" (configurable parameters) from a Delegating

Router (DHCP Server) by using a rapid DHCPv6 two-message exchange. The messages that are exchanged between the two routers (RR and DR) are called the

DHCPv6 "SOLICIT" message and the DHCPv6 "REPLY" message.

FIXED MTU

Fixed Maximum Transmission Unit. The size (in bytes) of largest protocol data unit which the layer can pass onwards. This value is 1500 for PPPoA.

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ENABLE PPP DEBUG MODE

When this option is selected, the system will put more PPP connection information into the system log. This is for debugging errors and not for normal usage.

ENABLE MLD MULTICAST PROXY

Multicast Listener Discovery (MLD) is a component of the Internet Protocol Version

6 (IPv6) suite. MLD is used by IPv6 routers for discovering multicast listeners on a directly attached link, much like IGMP is used in IPv4. The protocol is embedded in

ICMPv6 instead of using a separate protocol.

ENABLE MLD MULTICAST SOURCE

Click to allow use of this WAN interface as Multicast Listener Discovery (MLD) multicast source.

STEP 3: Choose an interface to be the default gateway.

Click Next to continue or click Back to return to the previous step.

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STEP 4: Select DNS Server Interface from available WAN interfaces OR enter static

DNS server IP addresses for the system. In ATM mode, if only a single PVC

with IPoA or static IPoE protocol is configured, Static DNS server IP

addresses must be entered.

Select the configured WAN interface for IPv6 DNS server information OR enter the static IPv6 DNS server Addresses. Note that selecting a WAN interface for IPv6 DNS server will enable DHCPv6 Client on that interface.

Click Next to continue or click Back to return to the previous step.

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STEP 5: The WAN Setup - Summary screen shows a preview of the WAN service

you have configured. Check these settings and click Apply/Save if they

are correct, or click Back to modify them.

After clicking Apply/Save , the new service should appear on the main screen.

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