MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
User’s Manual
Version: 1.1
MWA-105 Wireless LAN Access Point
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
Trademarks
Copyright @2009 MyTek Communication Ltd.
Contents are subject to change without notice.
All trademarks belong to their respective proprietors.
Copyright Statement
THIS DOCUMENT CONTAINS OF PROPRIETARY TECHNICAL INFORMATION THAT IS THE PROPERTY OF THIS COMPANY.
AND NO PART OF THIS DOCUMENTATION MAY BE REPRODUCED, STORED IN A RETRIEVAL SYSTEM OR TRANSMITTED IN
ANY FORM OR BY ANY MEANS, ELECTRICAL OR MECHANICAL, BY PHOTOCOPYING, RECORDING, OR OTHERWISE,
WITHOUT THE PRIOR WRITTEN CONSENT OF THIS COMPANY.
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one of the following measures:
-
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired
operation.
FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate this equipment.
IMPORTANT NOTE:
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be
installed and operated with minimum distance 20cm between the radiator & your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
Table of Contents
REVISION HISTORY...........................................................................................................................................I
TERMINOLOGY ................................................................................................................................................ II
1
INTRODUCTION......................................................................................................................................... 1
1.1
1.2
1.3
1.4
1.5
2
INSTALLATION .......................................................................................................................................... 5
2.1
2.2
3
PACKAGE CONTENTS ................................................................................................................................. 1
PRODUCT SPECIFICATIONS ........................................................................................................................ 1
PRODUCT FEATURES ................................................................................................................................. 2
UPPER PANEL DESCRIPTION ...................................................................................................................... 3
REAR PANEL DESCRIPTION........................................................................................................................ 4
HARDWARE INSTALLATION ....................................................................................................................... 5
SOFTWARE INSTALLATION ......................................................................................................................... 5
SOFTWARE CONFIGURATION .............................................................................................................. 6
3.1
PREPARE YOUR PC TO CONFIGURE THE WLAN ACCESS POINT................................................................. 6
3.2
CONNECT TO THE WLAN ACCESS POINT .................................................................................................. 7
3.3
MANAGEMENT AND CONFIGURATION ON THE WLAN ACCESS POINT ....................................................... 8
3.3.1
Status............................................................................................................................................... 8
3.3.2
Setup Wizard................................................................................................................................. 10
I
Operation Mode ................................................................................................................................ 11
II LAN Interface Setup ......................................................................................................................... 11
III
WAN Interface Setup .................................................................................................................... 12
IV
Wireless Basic Settings................................................................................................................. 13
V Wireless Security Setup .................................................................................................................... 13
3.3.3
Operation Mode ............................................................................................................................ 14
3.3.4
Wireless - Basic Settings............................................................................................................... 14
3.3.5
Wireless - Advanced Settings ....................................................................................................... 17
3.3.6
Wireless - Security Setup .............................................................................................................. 18
I
WEP Key Setup ................................................................................................................................ 20
3.3.7
Wireless - Access Control ............................................................................................................. 21
3.3.8
WDS Settings................................................................................................................................ 23
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I
II
3.3.9
3.3.10
3.3.11
I
II
III
IV
3.3.12
3.3.13
3.3.14
3.3.15
3.3.16
3.3.17
4
MWA-105 Access Point
Version: 1.1
WDS Security Setup ......................................................................................................................... 24
WDS AP Table .................................................................................................................................. 24
Site Survey .................................................................................................................................... 25
TCP/IP Settings............................................................................................................................. 26
WAN Interface Setup .................................................................................................................... 28
Static IP ............................................................................................................................................. 28
DHCP Client ..................................................................................................................................... 30
PPPoE ........................................................................................................................................... 32
PPTP ............................................................................................................................................. 35
Log ................................................................................................................................................ 37
Statistics ........................................................................................................................................ 38
Upgrade Firmware ........................................................................................................................ 38
Save/ Reload Settings ................................................................................................................... 39
Password Setup ............................................................................................................................. 40
WatchDog...................................................................................................................................... 41
FREQUENTLY ASKED QUESTIONS (FAQ)......................................................................................... 42
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
WHAT AND HOW TO FIND MY PC’S IP AND MAC ADDRESS?.................................................................... 42
WHAT IS WIRELESS LAN? ...................................................................................................................... 42
WHAT ARE ISM BANDS? ......................................................................................................................... 42
HOW DOES WIRELESS NETWORKING WORK?............................................................................................ 42
WHAT IS BSSID? .................................................................................................................................... 43
WHAT IS ESSID? .................................................................................................................................... 43
WHAT ARE POTENTIAL FACTORS THAT MAY CAUSES INTERFERENCE? ...................................................... 44
WHAT ARE THE OPEN SYSTEM AND SHARED KEY AUTHENTICATIONS? ................................................... 44
WHAT IS WEP? ....................................................................................................................................... 44
WHAT IS FRAGMENT THRESHOLD?.......................................................................................................... 44
WHAT IS RTS (REQUEST TO SEND) THRESHOLD?................................................................................... 45
4.12 WHAT IS BEACON INTERVAL?.................................................................................................................. 45
4.13 WHAT IS PREAMBLE TYPE? ..................................................................................................................... 46
4.14 WHAT IS SSID BROADCAST? .................................................................................................................. 46
4.15 WHAT IS WI-FI PROTECTED ACCESS (WPA)? ......................................................................................... 46
4.16 WHAT IS WPA2? ..................................................................................................................................... 46
4.17 WHAT IS 802.1X AUTHENTICATION? ....................................................................................................... 47
4.18 WHAT IS TEMPORAL KEY INTEGRITY PROTOCOL (TKIP)? ...................................................................... 47
4.19 WHAT IS ADVANCED ENCRYPTION STANDARD (AES)? ........................................................................... 47
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MWA-105 Access Point
Version: 1.1
4.20 WHAT IS INTER-ACCESS POINT PROTOCOL (IAPP)?................................................................................ 47
4.21 WHAT IS WIRELESS DISTRIBUTION SYSTEM (WDS)?.............................................................................. 47
4.22 WHAT IS CLONE MAC ADDRESS?........................................................................................................... 47
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Fax: (36-1) 347-0447
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MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
Revision History
DATE
REVISION OF USER’S MANUAL
2006/05/19
First release (Version 1.0)
2009/12/21
Version 1.1
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MWA-105 Access Point
Version: 1.1
Terminology
AES
Advanced Encryption Standard
ANSI
American National Standards Institute
AP
Access Point
CCK
Complementary Code Keying
CSMA/CA
Carrier Sense Multiple Access/ Collision Avoidance
CSMA/CD
Carrier Sense Multiple Access/ Collision Detection
DHCP
Dynamic Host Configuration Protocol
DSSS
Direct Sequence Spread Spectrum
EAP
Extensible Authentication Protocol
ESP
Encapsulating Security Payload
FCC
Federal Communications Commission
IEEE
Institute of Electrical and Electronic Engineers
IP
Internet Protocol
ISM
Industrial, Scientific and Medical
LAN
Local Area Network
MAC
Media Access Control
NT
Network Termination
PSD
Power Spectral Density
RF
Radio Frequency
SNR
Signal to Noise Ratio
SSID
Service Set Identification
TCP
Transmission Control Protocol
TFTP
Trivial File Transfer Protocol
TKIP
Temporal Key Integrity Protocol
WDS
Wireless Distribution System
WEP
Wired Equivalent Privacy
WLAN
Wireless Local Area Network
WPA
Wi-Fi Protected Access
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MyTek
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MWA-105 Access Point
Version: 1.1
1 Introduction
The MWA-105 Wireless LAN Access Point is an affordable IEEE 802.11b/g wireless LAN Access Point
solution; setting SOHO and enterprise standard for high performance, secure, manageable and reliable
WLAN.
This document describes the steps required for the initial IP address assign and other WLAN router
configuration. The description includes the implementation of the above steps.
1.1 Package contents
The package of the WLAN Access Point includes the following items,
! The WLAN Access Point
! The AC to DC power adapter
! The Documentation CD
1.2 Product Specifications
Product Name
MWA-105 WLAN Access Point
Standard
802.11b/g(Wireless), 802.3(10BaseT), 802.3u(100BaseT)
Data Transfer Rate
54Mbps(Wireless), 100Mbps(Ethernet)
Modulation Method
CCK(802.11b), OFDM(802.11g)
Frequency Band
2.4GHz – 2.497GJz ISM Band, DSSS
RF Output Power
CCK< 17 dBm, OFDM< 13.5 dBm
Receiver Sensitivity
802.11b -80 dBm@8%, 802.11g -68 dBm@5%
Operation Range
30 to 280 meters (depend on surrounding)
Antenna
External Antenna
LED
Power, Active (WLAN/Ethernet)
Security
64 bit/ 128 bit WEP, WPA, WPA2
LAN interface
One 10/100BaseT with RJ45 connector
Power Consumption
7.5V DC Power Adapter
Operating Temperature
0 ~ 50oC ambient temperature
Storage Temperature
-20 ~ 70oC ambient temperature
Humidity
5 to 90 % maximum (non-condensing)
Dimension
118 x 75 x 25 mm
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Hungary H-1201
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MWA-105 Access Point
Version: 1.1
1.3 Product Features
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
Complies with IEEE 802.11b/g standard for 2.4GHz Wireless LAN.
Supports multi-operation (bridge/WISP) modes between wireless and wired Ethernet interfaces
Supports AP/Client/WDS/AP+WDS modes on wireless interfaces.
Supports 64-bit and 128-bit WEP, WPA, WPA2 encryption/decryption function to protect the
wireless data transmission.
Supports IEEE 802.1x Authentication.
Support Wi-Fi Protected Access Authentication with Radius and Pre-Shared Key mode.
Supports Inter-Access Point Protocol (IAPP).
Supports Wireless Distribution System (WDS).
Supports IEEE 802.3x full duplex flow control on 10/100M Ethernet interface.
Supports DHCP server to provide clients auto IP addresses assignment.
Supports DHCP client auto IP address assignment from ISP.
Supports DHCP client for WAN interface in WISP mode auto IP address assignment from ISP.
Supports PPPoE on WAN interface in WISP mode.
Supports PPTP Client on WAN interface in WISP.
Supports clone MAC address function.
Supports WEB based management and configuration.
Supports Log table and remote Log service.
Support Setup Wizard mode.
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MWA-105 Access Point
Version: 1.1
1.4 Upper Panel Description
Power LED
WLAN LED
LAN LED
Figure 1 –WLAN Access Point Upper Panel
LED Indicator
State
1. Power LED
On
The WLAN Access Point is powered on.
Off
The WLAN Access Point is powered off.
2. WLAN LED
Flashing
Off
3. LAN LED
ACT
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Flashing
Description
Data is transmitting or receiving on the
antenna.
No data is transmitting or receiving on the
antenna.
Data is transmitting or receiving on the LAN
interface.
On
Port linked.
Off
No link.
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MWA-105 Access Point
Version: 1.1
1.5 Rear Panel Description
Antenna
Power
LAN Reset
Figure 2 – WLAN Access Point Rear Panel
Interfaces
Description
1. Antenna
(Fixed / SMA)
The Wireless LAN Antenna.
2. Power
The power jack allows an external DC +7.5 V power supply
connection.
The external AC to DC adaptor provide adaptive power
requirement to the WLAN Access Point.
3. LAN
The RJ-45 sockets allow LAN connection through Category 5
cables. Support auto-sensing on 10/100M speed and half/ full
duplex; comply with IEEE 802.3/ 802.3u respectively.
4. Reset
Push continually the reset button 5 ~ 10 seconds to reset the
configuration parameters to factory defaults.
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MWA-105 Access Point
Version: 1.1
2 Installation
2.1 Hardware Installation
Step 1: Place the Wireless LAN Access Point to the best optimum transmission location. The best
transmission location for your WLAN Access Point is usually at the geographic center of
your wireless network, with line of sign to all of your mobile stations.
Step 2: Connect the WLAN Access Point to your wired network. Connect the Ethernet LAN interface
of WLAN Access Point by category 5 Ethernet cable to your switch/ hub/ xDSL modem or
cable modem. A straight-through Ethernet cable with appropriate cable length is needed.
Step 3: Supply DC power to the WLAN Access Point. Use only the AC/DC power adapter supplied
with the WLAN Access Point; it may occur damage by using a different type of power
adapter.
The hardware installation finished.
2.2 Software Installation
#
There are no software drivers, patches or utilities installation needed, but only the configuration
setting. Please refer to chapter 3 for software configuration.
Notice: It will take about 55 seconds to complete the boot up sequence after
powered on the WLAN Access Point; Power LED will be active, and
after that the WLAN Activity LED will be flashing to show the WLAN
interface is enabled and working now.
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3 Software configuration
There are web based management and configuration functions allowing you to have the jobs done easily.
The WLAN Access Point is delivered with the following factory default parameters on the Ethernet LAN
interfaces.
Default IP Address: 192.168.1.254
Default IP subnet mask: 255.255.255.0
WEB login User Name: <empty>
WEB login Password: <empty>
3.1 Prepare your PC to configure the WLAN Access Point
For OS of Microsoft Windows 95/ 98/ Me:
1. Click the Start button and select Settings, then click Control Panel. The Control Panel window
will appear.
2.
3.
4.
5.
6.
7.
Note: Windows Me users may not see the Network control panel. If so, select View all Control
Panel options on the left side of the window
Move mouse and double-click the right button on Network icon. The Network window will appear.
Check the installed list of Network Components. If TCP/IP is not installed, click the Add button to
install it; otherwise go to step 6.
Select Protocol in the Network Component Type dialog box and click Add button.
Select TCP/IP in Microsoft of Select Network Protocol dialog box then click OK button to install
the TCP/IP protocol, it may need the Microsoft Windows CD to complete the installation. Close
and go back to Network dialog box after the TCP/IP installation.
Select TCP/IP and click the properties button on the Network dialog box.
Select Specify an IP address and type in values as following example.
!
IP Address: 192.168.1.1, any IP address within 192.168.1.1 to 192.168.1.253 is good to
connect the Wireless LAN Access Point.
! IP Subnet Mask: 255.255.255.0
8. Click OK and reboot your PC after completes the IP parameters setting.
For OS of Microsoft Windows 2000, XP:
1. Click the Start button and select Settings, then click Control Panel. The Control Panel window
will appear.
2. Move mouse and double-click the right button on Network and Dial-up Connections icon. Move
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3.
4.
5.
6.
7.
MWA-105 Access Point
Version: 1.1
mouse and double-click the Local Area Connection icon. The Local Area Connection window
will appear. Click Properties button in the Local Area Connection window.
Check the installed list of Network Components. If TCP/IP is not installed, click the Add button to
install it; otherwise go to step 6.
Select Protocol in the Network Component Type dialog box and click Add button.
Select TCP/IP in Microsoft of Select Network Protocol dialog box then click OK button to install
the TCP/IP protocol, it may need the Microsoft Windows CD to complete the installation. Close
and go back to Network dialog box after the TCP/IP installation.
Select TCP/IP and click the properties button on the Network dialog box.
Select Specify an IP address and type in values as following example.
!
IP Address: 192.168.1.1, any IP address within 192.168.1.1 to 192.168.1.253 is good to
connect the Wireless LAN Access Point.
! IP Subnet Mask: 255.255.255.0
8. Click OK to completes the IP parameters setting.
For OS of Microsoft Windows NT:
1. Click the Start button and select Settings, then click Control Panel. The Control Panel window
will appear.
2. Move mouse and double-click the right button on Network icon. The Network window will appear.
Click Protocol tab from the Network window.
3. Check the installed list of Network Protocol window. If TCP/IP is not installed, click the Add
button to install it; otherwise go to step 6.
4. Select Protocol in the Network Component Type dialog box and click Add button.
5. Select TCP/IP in Microsoft of Select Network Protocol dialog box then click OK button to install
the TCP/IP protocol, it may need the Microsoft Windows CD to complete the installation. Close
and go back to Network dialog box after the TCP/IP installation.
6. Select TCP/IP and click the properties button on the Network dialog box.
7. Select Specify an IP address and type in values as following example.
!
IP Address: 192.168.1.1, any IP address within 192.168.1.1 to 192.168.1.253 is good to
connect the Wireless LAN Access Point.
! IP Subnet Mask: 255.255.255.0
8. Click OK to complete the IP parameters setting.
3.2 Connect to the WLAN Access Point
Open a WEB browser, i.e. Microsoft Internet Explore, then enter 192.168.1.254 on the URL to
connect the WLAN Access Point.
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MWA-105 Access Point
Version: 1.1
3.3 Management and configuration on the WLAN Access Point
3.3.1 Status
This page shows the current status and some basic settings of the device, includes system,
wireless, and Ethernet LAN configuration information.
Screen snapshot – Status
Item
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Description
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System
Uptime
It shows the duration since WLAN Access Point is
powered on.
Firmware version
It shows the firmware version of WLAN Access Point.
Wireless configuration
Mode
It shows wireless operation mode
Band
It shows the current wireless operating frequency.
SSID
It shows the SSID of this WLAN Access Point.
The SSID is the unique name of WLAN Access Point
and shared among its service area, so all devices attempts
to join the same wireless network can identify it.
Channel Number
It shows the wireless channel connected currently.
Encryption
It shows the status of encryption function.
Associated Clients
It shows the number of connected clients (or stations,
PCs).
BSSID
It shows the BSSID address of the WLAN Access Point.
BSSID is a six-byte address.
Associated Clients
It shows total numbers of WLAN clients connected,
TCP/IP Configuration
Attain IP Protocol
It shows how the WLAN Access Point gets the IP
address. The IP address can be set manually to a fixed
one or set dynamically by DHCP server.
IP Address
It shows the IP address of WAN interface of WLAN
Access Point.
Subnet Mask
It shows the IP subnet mask of LAN interface of WLAN
Access Point.
Default Gateway
It shows the default gateway setting for outgoing data
packets.
MAC Address
It shows the MAC address of WLAN Access Point.
WAN configuration
Attain IP Protocol
It shows how the WLAN Broadband Router gets the IP
address. The IP address can be set manually to a fixed
one or set dynamically by DHCP server or attain IP by
PPPoE / PPTP connection.
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IP Address
It shows the IP address of WAN interface of WLAN
Broadband Router.
Subnet Mask
It shows the IP subnet mask of WAN interface of WLAN
Broadband Router.
Default Gateway
It shows the default gateway setting for WAN interface
outgoing data packets.
DNS1 / DNS2 / DNS3 It shows the DNS server information
MAC Address
It shows the MAC address of WAN interface of WLAN
Broadband Router.
3.3.2 Setup Wizard
This page guides you to configure wireless Access Point for first time
Screen snapshot – Setup Wizard
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I
MWA-105 Access Point
Version: 1.1
Operation Mode
This page followed by Setup Wizard page to define the operation mode.
Screen snapshot – Operation Mode
II
LAN Interface Setup
This page is used to configure local area network IP address and subnet mask
Screen snapshot – LAN Interface Setup
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III
MWA-105 Access Point
Version: 1.1
WAN Interface Setup
This page is used to configure basic wireless parameters like Band, Mode, Network
Type SSID, Channel Number, Enable Mac Clone(Single Ethernet Client)
Screen snapshot – Wireless Basic Settings
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IV
MWA-105 Access Point
Version: 1.1
Wireless Basic Settings
This page is used to configure basic wireless parameters like Band, Mode, Network
Type SSID, Channel Number, Enable Mac Clone(Single Ethernet Client)
Screen snapshot – Wireless Basic Settings
V
Wireless Security Setup
This page is used to configure wireless security
Screen snapshot – Wireless Security Setup
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3.3.3 Operation Mode
This page is used to configure which mode wireless broadband router acts
Screen snapshot – Operation Mode
Item
Description
Bridge
Each interface (LAN, WAN and Wireless) regards as
bridge. NAT, Firewall and all router’s functions are not
supported
Wireless ISP
Switch Wireless interface to WAN port and all Ethernet
ports in bridge mode. Wireless interface can do all
router’s functions
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
3.3.4 Wireless - Basic Settings
This page is used to configure the parameters for wireless LAN clients that may connect to
your Access Point. Here you may change wireless encryption settings as well as wireless
network parameters.
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Version: 1.1
Screen snapshot – Wireless Basic Settings
Item
Description
Disable Wireless LAN Click on to disable the wireless LAN data transmission.
Interface
Band
Click to select 2.4GHz(B) / 2.4GHz(G) / 2.4GHz(B+G)
Mode
Click to select the WLAN AP / Client / WDS / AP+WDS
wireless mode.
Site Survey
The Site Survey button provides tool to scan the wireless
network. If any Access Point or IBSS is found, you could
choose to connect it manually when client mode is
enabled. Refer to 3.3.9 Site Survey.
SSID
It is the wireless network name. The SSID can be 32
bytes long.
Channel Number
Select the wireless communication channel from
pull-down menu.
Associated Clients
Click the Show Active Clients button to open Active
Wireless Client Table that shows the MAC address,
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Fax: (36-1) 347-0447
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MWA-105 Access Point
Version: 1.1
transmit-packet, receive-packet and transmission-rate for
each associated wireless client.
Enable Mac Clone
Take Laptop NIC MAC address as wireless client MAC
(Single Ethernet Client) address. [Client Mode only]
Enable Universal
Repeater Mode
Click to enable Universal Repeater Mode
SSID of Extended
Interface
Assign SSID when enables Universal Repeater Mode.
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
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Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
3.3.5 Wireless - Advanced Settings
These settings are only for more technically advanced users who have a sufficient knowledge
about wireless LAN. These settings should not be changed unless you know what effect the
changes will have on your WLAN Access Point.
Screen snapshot – Wireless Advanced Settings
Item
Description
Authentication Type
Click to select the authentication type in Open System,
Shared Key or Auto selection.
Fragment Threshold
Set the data packet fragmentation threshold, value can be
written between 256 and 2346 bytes.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
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Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
Refer to 4.10 What is Fragment Threshold?
RTS Threshold
Set the RTS Threshold, value can be written between 0
and 2347 bytes.
Refer to 4.11 What is RTS(Request To Send) Threshold?
Beacon Interval
Set the Beacon Interval, value can be written between 20
and 1024 ms.
Refer to 4.12 What is Beacon Interval?
Data Rate
Select the transmission data rate from pull-down menu.
Data rate can be auto-select, 54M, 48M, 36M, 24M,
18M, 12M, 9M, 6M, 11M, 5.5M, 2M or 1Mbps.
Preamble Type
Click to select the Long Preamble or Short Preamble
support on the wireless data packet transmission.
Refer to 4.13 What is Preamble Type?
Broadcast SSID
Click to enable or disable the SSID broadcast function.
Refer to 4.14 What is SSID Broadcast?
IAPP
Click to enable or disable the IAPP function.
Refer to 4.20 What is Inter-Access Point Protocol(IAPP)?
802.11g Protection
Protect 802.11b user.
RF Output Power
To adjust transmission power level.
Turbo Mode
Click to enable/disable turbo mode.(Only apply to
WLAN IC of Realtek).
Block Rely Between
Clients
Click Enabled/Disabled to decide if blocking relay
packets between clients.
WMM
Click Enabled/Disabled to init WMM feature
ACK Timeout
Set the ACK-Timeout for a long distance link. The value
can be 0-255. A step is 4 us.
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
3.3.6 Wireless - Security Setup
This page allows you setup the wireless security. Turn on WEP, WPA, WPA2 by using
encryption keys could prevent any unauthorized access to your wireless network.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
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Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
Screen snapshot – Wireless Security Setup
Item
Description
Encryption
Select the encryption supported over wireless access. The
encryption method can be None, WEP, WPA(TKIP),
WPA2 or WPA2 Mixed
Refer to 4.9 What is WEP?
4.15 What is Wi-Fi Protected Access (WPA)?
4.16 What is WPA2(AES)?
4.17 What is 802.1X Authentication?
4.18 What is Temporal Key Integrity Protocol (TKIP)?
4.19 What is Advanced Encryption Standard (AES)?
Use 802.1x
Authentication
While Encryption is selected to be WEP.
Click the check box to enable IEEE 802.1x
authentication function.
Refer to 4.16 What is 802.1x Authentication?
WPA Authentication
Mode
While Encryption is selected to be WPA.
Click to select the WPA Authentication Mode with
Enterprise (RADIUS) or Personal (Pre-Shared Key).
Refer to 4.15 What is Wi-Fi Protected Access (WPA)?
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
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Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
WPA Cipher Suite
Enable TKIP or AES. Depends on which encryption you
set.
WPA2 Cipher Suite
Enable TKIP or AES. Depends on which encryption you
set.
Pre-Shared Key Format While Encryption is selected to be WPA.
Select the Pre-shared key format from the pull-down
menu. The format can be Passphrase or Hex (64
characters). [WPA, Personal(Pre-Shared Key) only]
I
Pre-Shared Key
Fill in the key value. [WPA, Personal(Pre-Shared Key)
only]
Enable
Pre-Authentication
Click to enable Pre-Authentication. [WPA2/WPA2
Mixed only, Enterprise only]
Authentication
Set the IP address, port and login password information
RADIUS Server
of authentication RADIUS sever.
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
WEP Key Setup
Screen snapshot – WEP Key Setup
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MWA-105 Access Point
Version: 1.1
Item
Description
Key Length
Select the WEP shared secret key length from pull-down
menu. The length can be chose between 64-bit and
128-bit (known as “WEP2”) keys.
The WEP key is composed of initialization vector (24
bits) and secret key (40-bit or 104-bit).
Key Format
Select the WEP shared secret key format from pull-down
menu. The format can be chose between plant text
(ASCII) and hexadecimal (HEX) code.
Default Tx Key
Set the default secret key for WEP security function.
Value can be chose between 1 and 4.
Encryption Key 1
Secret key 1 of WEP security encryption function.
Encryption Key 2
Secret key 2 of WEP security encryption function.
Encryption Key 3
Secret key 3 of WEP security encryption function.
Encryption Key 4
Secret key 4 of WEP security encryption function.
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Close
Click to close this WEP Key setup window.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
WEP encryption key (secret key) length:
Length
64-bit
Format
128-bit
ASCII
5 characters
13 characters
HEX
10 hexadecimal codes
26 hexadecimal codes
3.3.7 Wireless - Access Control
If you enable wireless access control, only those clients whose wireless MAC addresses are in
the access control list will be able to connect to your Access Point. When this option is
enabled, no wireless clients will be able to connect if the list contains no entries.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
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Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
Screen snapshot – Wireless Access Control
Item
Description
Wireless Access
Control Mode
Click the Disabled, Allow Listed or Deny Listed of drop
down menu choose wireless access control mode.
This is a security control function; only those clients
registered in the access control list can link to this
WLAN Access Point.
MAC Address
Fill in the MAC address of client to register this WLAN
Access Point access capability.
Comment
Fill in the comment tag for the registered client.
Apply Changes
Click the Apply Changes button to register the client to
new configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
Current Access Control It shows the registered clients that are allowed to link to
List
this WLAN Access Point.
Delete Selected
Click to delete the selected clients that will be access
right removed from this WLAN Access Point.
Delete All
Click to delete all the registered clients from the access
allowed list.
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Hungary H-1201
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Fax: (36-1) 347-0447
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MyTek
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Reset
MWA-105 Access Point
Version: 1.1
Click the Reset button to abort change and recover the
previous configuration setting.
3.3.8 WDS Settings
Wireless Distribution System uses wireless media to communicate with other APs, like the
Ethernet does. To do this, you must set these APs in the same channel and set MAC address
of other AP that you want to communicate with in the table and then enable the WDS.
Screen snapshot – WDS Setup
Item
Description
Enable WDS
Click the check box to enable wireless distribution
system. Refer to 4.21 What is Wireless Distribution
System (WDS)?
MAC Address
Fill in the MAC address of AP to register the wireless
distribution system access capability.
Comment
Fill in the comment tag for the registered AP.
Apply Changes
Click the Apply Changes button to register the AP to new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
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Tel:
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Fax: (36-1) 347-0447
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MyTek
Communication Ltd.
Set Security
MWA-105 Access Point
Version: 1.1
Click button to configure wireless security like
WEP(64bits), WEP(128bits), WPA(TKIP), WPA2(AES)
or None
Show Statistics
It shows the TX, RX packets, rate statistics
Delete Selected
Click to delete the selected clients that will be removed
from the wireless distribution system.
Delete All
Click to delete all the registered APs from the wireless
distribution system allowed list.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
I
WDS Security Setup
Requirement: Set [Wireless]->[Basic Settings]->[Mode]->AP+WDS
This page is used to configure the wireless security between APs. Refer to 3.3.6
Wireless Security Setup.
Screen snapshot – WDS Security Setup
II
WDS AP Table
This page is used to show WDS statistics
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Hungary H-1201
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Tel:
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Fax: (36-1) 347-0447
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MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
Screen snapshot – WDS AP Table
Item
Description
MAC Address
It shows the MAC Address within WDS.
Tx Packets
It shows the statistic count of sent packets on the wireless
LAN interface.
Tx Errors
It shows the statistic count of error sent packets on the
Wireless LAN interface.
Rx Packets
It shows the statistic count of received packets on the
wireless LAN interface.
Tx Rare (Mbps)
It shows the wireless link rate within WDS.
Refresh
Click to refresh the statistic counters on the screen.
Close
Click to close the current window.
3.3.9 Site Survey
This page is used to view or configure other APs near yours.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
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Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
Screen snapshot – Wireless Site Survey
Item
Description
SSID
It shows the SSID of AP.
BSSID
It shows BSSID of AP.
Channel
It show the current channel of AP occupied.
Type
It show which type AP acts.
Encrypt
It shows the encryption status.
Signal
It shows the power level of current AP.
Select
Click to select AP or client you’d like to connect.
Refresh
Click the Refresh button to re-scan site survey on the
screen.
Connect
Click the Connect button to establish connection.
3.3.10 TCP/IP Settings
This page is used to configure the parameters for local area network that connects to the
LAN ports of your WLAN Access Point. Here you may change the setting for IP address,
subnet mask, DHCP, etc.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
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Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
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MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
Screen snapshot – LAN Interface Setup
Item
Description
IP Address
Fill in the IP address of LAN interfaces of this WLAN
Access Point.
Subnet Mask
Fill in the subnet mask of LAN interfaces of this WLAN
Access Point.
Default Gateway
Fill in the default gateway for LAN interfaces out going
data packets.
DHCP
Click to select Disabled, Client or Server in different
operation mode of wireless Access Point.
DHCP Client Range
Fill in the start IP address and end IP address to allocate a
range of IP addresses; client with DHCP function set will
be assigned an IP address from the range.
Show Client
Click to open the Active DHCP Client Table window that
shows the active clients with their assigned IP address,
MAC address and time expired information. [Server
mode only]
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Hungary H-1201
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Fax: (36-1) 347-0447
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MWA-105 Access Point
Version: 1.1
DNS Server
Manual setup DNS server IP address.
Domain Name
Assign Domain Name and dispatch to DHCP clients. It is
optional field.
802.1d Spanning Tree
Select to enable or disable the IEEE 802.1d Spanning
Tree function from pull-down menu.
Clone MAC Address
Fill in the MAC address that is the MAC address to be
cloned. Refer to 4.24 What is Clone MAC Address?
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
3.3.11
WAN Interface Setup
This page is used to configure the parameters for wide area network that connects to the
WAN port of your WLAN Broadband Router. Here you may change the access method to
Static IP, DHCP, PPPoE or PPTP by click the item value of WAN Access Type.
I
Static IP
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Communication Ltd.
MWA-105 Access Point
Version: 1.1
Screen snapshot – WAN Interface Setup – Static IP
Item
Description
Static IP
Click to select Static IP support on WAN interface. There
are IP address, subnet mask and default gateway settings
need to be done.
IP Address
If you select the Static IP support on WAN interface, fill
in the IP address for it.
Subnet Mask
If you select the Static IP support on WAN interface, fill
in the subnet mask for it.
Default Gateway
If you select the Static IP support on WAN interface, fill
in the default gateway for WAN interface out going data
packets.
MTU Size
Fill in the mtu size of MTU Size. The default value is
1400
DNS 1
Fill in the IP address of Domain Name Server 1.
DNS 2
Fill in the IP address of Domain Name Server 2.
DNS 3
Fill in the IP address of Domain Name Server 3.
Clone MAC Address
Fill in the MAC address that is the MAC address to be
cloned. Refer to 4.24 What is Clone MAC Address?
Enable Ping Access on Click the checkbox to enable WAN ICMP response
WAN
Enable Web Server
Access on WAN
Click the checkbox to enable web configuration from
WAN side.
Enable IPsec pass
through on VPN
connection
Click the checkbox to enable IPSec packet pass through
Enable PPTP pass
through on VPN
connection
Click the checkbox to enable PPTP packet pass through
Enable L2TP pass
through on VPN
connection
Click the checkbox to enable L2TP packet pass through
Set TTL value
Click to Enable and Set Time to Live value
Apply Changes
Click the Apply Changes button to complete the new
MyTek Communication Ltd.
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Fax: (36-1) 347-0447
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MWA-105 Access Point
Version: 1.1
configuration setting.
Reset
II
Click the Reset button to abort change and recover the
previous configuration setting.
DHCP Client
Screen snapshot – WAN Interface Setup – DHCP Client
Item
Description
DHCP Client
Click to select DHCP support on WAN interface for IP
address assigned automatically from a DHCP server.
Host Name
Fill in the host name of Host Name. The default value is
empty
MTU Size
Fill in the mtu size of MTU Size. The default value is
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
30
Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
MWA-105 Access Point
Version: 1.1
1400
Attain DNS
Automatically
Click to select getting DNS address for DHCP support.
Please select Set DNS Manually if the DHCP support is
selected.
Set DNS Manually
Click to select getting DNS address for DHCP support.
DNS 1
Fill in the IP address of Domain Name Server 1.
DNS 2
Fill in the IP address of Domain Name Server 2.
DNS 3
Fill in the IP address of Domain Name Server 3.
Clone MAC Address
Fill in the MAC address that is the MAC address to be
cloned. Refer to 4.24 What is Clone MAC Address?
Enable Ping Acces on
WAN
Click the checkbox to enable WAN ICMP response.
Enable Web Server
Click the checkbox to enable web configuration from
Access on WAN
WAN side.
Enable IPsec pass
through on VPN
connection
Click the checkbox to enable IPSec packet pass through
Enable PPTP pass
through on VPN
connection
Click the checkbox to enable PPTP packet pass through
Enable L2TP pass
through on VPN
connection
Click the checkbox to enable L2TP packet pass through
Set TTL value
Click to Enable and set Time to Live value.
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
31
Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
III
MWA-105 Access Point
Version: 1.1
PPPoE
Screen snapshot – WAN Interface Setup – PPPoE
Item
Description
PPPoE
Click to select PPPoE support on WAN interface. There
are user name, password, connection type and idle time
settings need to be done.
User Name
If you select the PPPoE support on WAN interface, fill in
the user name and password to login the PPPoE server.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
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Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
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Communication Ltd.
MWA-105 Access Point
Version: 1.1
Password
If you select the PPPoE support on WAN interface, fill in
the user name and password to login the PPPoE server.
Service Name
Fill in the service name of Service Name. The default
value is empty.
Connection Type
Select the connection type from pull-down menu. There
are Continuous, Connect on Demand and Manual three
types to select.
Continuous connection type means to setup the
connection through PPPoE protocol whenever this
WLAN Broadband Router is powered on.
Connect on Demand connection type means to setup the
connection through PPPoE protocol whenever you send
the data packets out through the WAN interface; there are
a watchdog implemented to close the PPPoE connection
while there are no data sent out longer than the idle time
set.
Manual connection type means to setup the connection
through the PPPoE protocol by clicking the Connect
button manually, and clicking the Disconnect button
manually.
Idle Time
If you select the PPPoE and Connect on Demand
connection type, fill in the idle time for auto-disconnect
function. Value can be between 1 and 1000 minutes.
MTU Size
Fill in the mtu size of MTU Size. The default value is
1492. Refer to 4.23 What is Maximum Transmission Unit
(MTU) Size?
Attain DNS
Automatically
Click to select getting DNS address for PPPoE support.
Please select Set DNS Manually if the PPPoE support is
selected.
Set DNS Manually
Click to select getting DNS address for Static IP support.
DNS 1
Fill in the IP address of Domain Name Server 1.
DNS 2
Fill in the IP address of Domain Name Server 2.
DNS 3
Fill in the IP address of Domain Name Server 3.
Clone MAC Address
Fill in the MAC address that is the MAC address to be
cloned. Refer to 4.24 What is Clone MAC Address?
MyTek Communication Ltd.
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Hungary H-1201
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(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
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MWA-105 Access Point
Version: 1.1
Enable Ping Acces on
WAN
Click the checkbox to enable WAN ICMP response.
Enable Web Server
Access on WAN
Click the checkbox to enable web configuration from
WAN side.
Enable IPsec pass
through on VPN
connection
Click the checkbox to enable IPSec packet pass through
Enable PPTP pass
through on VPN
connection
Click the checkbox to enable PPTP packet pass through
Enable L2TP pass
through on VPN
connection
Click the checkbox to enable L2TP packet pass through
Set TTL value
Click to Enable and set Time to Live value.
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
MyTek Communication Ltd.
Vörösmarty utca 79. Budapest
Hungary H-1201
34
Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
Communication Ltd.
IV
MWA-105 Access Point
Version: 1.1
PPTP
Screen snapshot – WAN Interface Setup – PPTP
Item
Description
PPTP
Allow user to make a tunnel with remote site directly to
secure the data transmission among the connection. User
can use embedded PPTP client supported by this router to
make a VPN connection.
MyTek Communication Ltd.
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Hungary H-1201
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Tel:
(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
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Communication Ltd.
MWA-105 Access Point
Version: 1.1
IP Address
If you select the PPTP support on WAN interface, fill in
the IP address for it.
Subnet Mask
If you select the PPTP support on WAN interface, fill in
the subnet mask for it.
Server IP Address
Enter the IP address of the PPTP Server.
User Name
If you select the PPTP support on WAN interface, fill in
the user name and password to login the PPTP server.
Password
f you select the PPTP support on WAN interface, fill in
the user name and password to login the PPTP server.
MTU Size
Fill in the mtu size of MTU Size. The default value is
1400. Refer to 4.23 What is Maximum Transmission Unit
(MTU) Size?
Request MPPE
Encryption
Click the checkbox to enable request MPPE encryption.
Attain DNS
Automatically
Click to select getting DNS address for PPTP support.
Please select Set DNS Manually if the PPTP support is
selected.
Set DNS Manually
Click to select getting DNS address for PPTP support.
DNS 1
Fill in the IP address of Domain Name Server 1.
DNS 2
Fill in the IP address of Domain Name Server 2.
DNS 3
Fill in the IP address of Domain Name Server 3.
Clone MAC Address
Fill in the MAC address that is the MAC address to be
cloned. Refer to 4.24 What is Clone MAC Address?
Enable Ping Access on Click the checkbox to enable WAN ICMP response.
WAN
Enable Web Server
Access on WAN
Click the checkbox to enable web configuration from
WAN side.
Enable IPsec pass
through on VPN
connection
Click the checkbox to enable IPSec packet pass through
Enable PPTP pass
through on VPN
connection
Click the checkbox to enable PPTP packet pass through
Enable L2TP pass
Click the checkbox to enable L2TP packet pass through
through on VPN
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Hungary H-1201
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(36-1) 347-0446, (36-1) 280-9397
Fax: (36-1) 347-0447
http://www.mytek.eu
MyTek
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MWA-105 Access Point
Version: 1.1
connection
Set TTL value
Click to Enable and set Time to Live value.
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
3.3.12 Log
This page is used to configure the remote log server and shown the current log.
Screen snapshot – Log
Item
Description
Enable Log
Click the checkbox to enable log.
Show all log of wireless Access Point.
Only show wireless log.
System all
Wireless only
Click the checkbox to enable remote log service.
Enable Remote Log
Log Server IP Address Input the remote log IP address
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Apply Changes
Click the Apply Changes button to save above settings.
Refresh
Click the refresh the log shown on the screen.
Clear
Clear log display screen
3.3.13 Statistics
This page shows the packet counters for transmission and reception regarding to wireless
and Ethernet LAN networks.
Screen snapshot – Statistics
Item
Description
Wireless LAN
It shows the statistic count of sent packets on the wireless
LAN interface.
Sent Packets
Wireless LAN
Received Packets
Ethernet LAN
Sent Packets
Ethernet LAN
It shows the statistic count of received packets on the
wireless LAN interface.
It shows the statistic count of sent packets on the
Ethernet LAN interface.
Received Packets
It shows the statistic count of received packets on the
Ethernet LAN interface.
Refresh
Click the refresh the statistic counters on the screen.
3.3.14 Upgrade Firmware
This page allows you upgrade the Access Point firmware to new version. Please note, do not
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power off the device during the upload because it may crash the system.
Screen snapshot – Management - Upgrade Firmware
Item
Description
Select File
Click the Browse button to select the new version of web
firmware image file.
Upload
Click the Upload button to update the selected web
firmware image to the WLAN Access Point.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
3.3.15 Save/ Reload Settings
This page allows you save current settings to a file or reload the settings from the file that
was saved previously. Besides, you could reset the current configuration to factory default.
Screen snapshot – Management - Save/Reload Settings
Item
Description
Save Settings to File
Click the Save button to download the configuration
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parameters to your personal computer.
Load Settings from File Click the Browse button to select the configuration files
then click the Upload button to update the selected
configuration to the WLAN Access Point.
Reset Settings to
Default
Click the Reset button to reset the configuration
parameter to factory defaults.
3.3.16 Password Setup
This page is used to set the account to access the web server of Access Point. Empty user
name and password will disable the protection.
+
Screen snapshot – Management - Password Setup
Item
Description
User Name
Fill in the user name for web management login control.
New Password
Fill in the password for web management login control.
Confirmed Password
Because the password input is invisible, so please fill in
the password again for confirmation purpose.
Apply Changes
Clear the User Name and Password fields to empty,
means to apply no web management login control.
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
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MWA-105 Access Point
Version: 1.1
WatchDog
This page is used to do watchdog function using ping command. User set IP address,
interval and ping fail count conditions to decide whether router reboots or not.
Screen snapshot – Management – WatchDog Setting
Item
Description
Enable WatchDog
Click to enable watchdog
WatchDog IP Address
IP address that is referred
Ping Interval
Fill in the value by seconds
Ping Fail to reboot
Count
Fill in the value that is threshold to reboot router when
ping fails.
Apply Changes
Click the Apply Changes button to complete the new
configuration setting.
Reset
Click the Reset button to abort change and recover the
previous configuration setting.
.
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4 Frequently Asked Questions (FAQ)
4.1 What and how to find my PC’s IP and MAC address?
IP address is the identifier for a computer or device on a TCP/IP network. Networks using the TCP/IP
protocol route messages based on the IP address of the destination. The format of an IP address is a
32-bit numeric address written as four numbers separated by periods. Each number can be zero to
255. For example, 191.168.1.254 could be an IP address.
The MAC (Media Access Control) address is your computer's unique hardware number. (On an
Ethernet LAN, it's the same as your Ethernet address.) When you're connected to the Internet from
your computer (or host as the Internet protocol thinks of it), a correspondence table relates your IP
address to your computer's physical (MAC) address on the LAN.
To find your PC’s IP and MAC address,
! Open the Command program in the Microsoft Windows.
! Type in ipconfig /all then press the Enter button.
#
Your PC’s IP address is the one entitled IP Address and your PC’s MAC address is the one
entitled Physical Address.
4.2 What is Wireless LAN?
A wireless LAN (WLAN) is a network that allows access to Internet without the need for any wired
connections to the user’s machine.
4.3 What are ISM bands?
ISM stands for Industrial, Scientific and Medical; radio frequency bands that the Federal
Communications Commission (FCC) authorized for wireless LANs. The ISM bands are located at
915 +/- 13 MHz, 2450 +/- 50 MHz and 5800 +/- 75 MHz.
4.4 How does wireless networking work?
The 802.11 standard define two modes: infrastructure mode and ad hoc mode. In infrastructure mode,
the wireless network consists of at least one access point connected to the wired network
infrastructure and a set of wireless end stations. This configuration is called a Basic Service Set
(BSS). An Extended Service Set (ESS) is a set of two or more BSSs forming a single subnetwork.
Since most corporate WLANs require access to the wired LAN for services (file servers, printers,
Internet links) they will operate in infrastructure mode.
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Example 1: wireless Infrastructure Mode
Ad hoc mode (also called peer-to-peer mode or an Independent Basic Service Set, or IBSS) is simply
a set of 802.11 wireless stations that communicate directly with one another without using an access
point or any connection to a wired network. This mode is useful for quickly and easily setting up a
wireless network anywhere that a wireless infrastructure does not exist or is not required for services,
such as a hotel room, convention center, or airport, or where access to the wired network is barred
(such as for consultants at a client site).
Example 2: wireless Ad Hoc Mode
4.5 What is BSSID?
A six-byte address that distinguishes a particular a particular access point from others. Also know as
just SSID. Serves as a network ID or name.
4.6 What is ESSID?
The Extended Service Set ID (ESSID) is the name of the network you want to access. It is used to
identify different wireless networks.
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4.7 What are potential factors that may causes interference?
Factors of interference:
# Obstacles: walls, ceilings, furniture… etc.
# Building Materials: metal door, aluminum studs.
# Electrical devices: microwaves, monitors and electrical motors.
Solutions to overcome the interferences:
! Minimizing the number of walls and ceilings.
! Position the WLAN antenna for best reception.
! Keep WLAN devices away from other electrical devices, eg: microwaves, monitors, electric
motors, … etc.
! Add additional WLAN Access Points if necessary.
4.8 What are the Open System and Shared Key authentications?
IEEE 802.11 supports two subtypes of network authentication services: open system and shared key.
Under open system authentication, any wireless station can request authentication. The station that
needs to authenticate with another wireless station sends an authentication management frame that
contains the identity of the sending station. The receiving station then returns a frame that indicates
whether it recognizes the sending station. 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.
4.9 What is WEP?
An optional IEEE 802.11 function that offers frame transmission privacy similar to a wired network.
The Wired Equivalent Privacy generates secret shared encryption keys that both source and
destination stations can use to alert frame bits to avoid disclosure to eavesdroppers.
WEP relies on a secret key that is shared between a mobile station (e.g. a laptop with a wireless
Ethernet card) and an access point (i.e. a base station). The secret key is used to encrypt packets
before they are transmitted, and an integrity check is used to ensure that packets are not modified in
transit.
4.10
What is Fragment Threshold?
The proposed protocol uses the frame fragmentation mechanism defined in IEEE 802.11 to achieve
parallel transmissions. A large data frame is fragmented into several fragments each of size equal to
fragment threshold. By tuning the fragment threshold value, we can get varying fragment sizes. The
determination of an efficient fragment threshold is an important issue in this scheme. If the fragment
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threshold is small, the overlap part of the master and parallel transmissions is large. This means the
spatial reuse ratio of parallel transmissions is high. In contrast, with a large fragment threshold, the
overlap is small and the spatial reuse ratio is low. However high fragment threshold leads to low
fragment overhead. Hence there is a trade-off between spatial re-use and fragment overhead.
Fragment threshold is the maximum packet size used for fragmentation. Packets larger than the size
programmed in this field will be fragmented.
If you find that your corrupted packets or asymmetric packet reception (all send packets, for
example). You may want to try lowering your fragmentation threshold. This will cause packets to be
broken into smaller fragments. These small fragments, if corrupted, can be resent faster than a larger
fragment. Fragmentation increases overhead, so you'll want to keep this value as close to the
maximum value as possible.
4.11
What is RTS (Request To Send) Threshold?
The RTS threshold is the packet size at which packet transmission is governed by the RTS/CTS
transaction. The IEEE 802.11-1997 standard allows for short packets to be transmitted without
RTS/CTS transactions. Each station can have a different RTS threshold. RTS/CTS is used when the
data packet size exceeds the defined RTS threshold. With the CSMA/CA transmission mechanism,
the transmitting station sends out an RTS packet to the receiving station, and waits for the receiving
station to send back a CTS (Clear to Send) packet before sending the actual packet data.
This setting is useful for networks with many clients. With many clients, and a high network load,
there will be many more collisions. By lowering the RTS threshold, there may be fewer collisions,
and performance should improve. Basically, with a faster RTS threshold, the system can recover from
problems faster. RTS packets consume valuable bandwidth, however, so setting this value too low
will limit performance.
4.12
What is Beacon Interval?
In addition to data frames that carry information from higher layers, 802.11 includes management
and control frames that support data transfer. The beacon frame, which is a type of management
frame, provides the "heartbeat" of a wireless LAN, enabling stations to establish and maintain
communications in an orderly fashion.
Beacon Interval represents the amount of time between beacon transmissions. Before a station enters
power save mode, the station needs the beacon interval to know when to wake up to receive the
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beacon (and learn whether there are buffered frames at the access point).
4.13
What is Preamble Type?
There are two preamble types defined in IEEE 802.11 specification. A long preamble basically gives
the decoder more time to process the preamble. All 802.11 devices support a long preamble. The
short preamble is designed to improve efficiency (for example, for VoIP systems). The difference
between the two is in the Synchronization field. The long preamble is 128 bits, and the short is 56
bits.
4.14
What is SSID Broadcast?
Broadcast of SSID is done in access points by the beacon. This announces your access point
(including various bits of information about it) to the wireless world around it. By disabling that
feature, the SSID configured in the client must match the SSID of the access point.
Some wireless devices don't work properly if SSID isn't broadcast (for example the D-link DWL-120
USB 802.11b adapter). Generally if your client hardware supports operation with SSID disabled, it's
not a bad idea to run that way to enhance network security. However it's no replacement for WEP,
MAC filtering or other protections.
4.15
What is Wi-Fi Protected Access (WPA)?
Wi-Fi’s original security mechanism, Wired Equivalent Privacy (WEP), has been viewed as
insufficient for securing confidential business communications. A longer-term solution, the IEEE
802.11i standard, is under development. However, since the IEEE 802.11i standard is not expected to
be published until the end of 2003, several members of the WI-Fi Alliance teamed up with members
of the IEEE 802.11i task group to develop a significant near-term enhancement to Wi-Fi security.
Together, this team developed Wi-Fi Protected Access.
To upgrade a WLAN network to support WPA, Access Points will require a WPA software upgrade.
Clients will require a software upgrade for the network interface card, and possibly a software update
for the operating system. For enterprise networks, an authentication server, typically one that
supports RADIUS and the selected EAP authentication protocol, will be added to the network.
4.16
What is WPA2?
It is the second generation of WPA. WPA2 is based on the final IEEE 802.11i amendment to the
802.11 standard.
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MWA-105 Access Point
Version: 1.1
What is 802.1x Authentication?
802.1x is a framework for authenticated MAC-level access control, defines Extensible Authentication
Protocol (EAP) over LANs (WAPOL). The standard encapsulates and leverages much of EAP, which
was defined for dial-up authentication with Point-to-Point Protocol in RFC 2284.
Beyond encapsulating EAP packets, the 802.1x standard also defines EAPOL messages that convey
the shared key information critical for wireless security.
4.18
What is Temporal Key Integrity Protocol (TKIP)?
The Temporal Key Integrity Protocol, pronounced tee-kip, is part of the IEEE 802.11i encryption
standard for wireless LANs. TKIP is the next generation of WEP, the Wired Equivalency Protocol,
which is used to secure 802.11 wireless LANs. TKIP provides per-packet key mixing, a message
integrity check and a re-keying mechanism, thus fixing the flaws of WEP.
4.19
What is Advanced Encryption Standard (AES)?
Security issues are a major concern for wireless LANs, AES is the U.S. government’s next-generation
cryptography algorithm, which will replace DES and 3DES.
4.20
What is Inter-Access Point Protocol (IAPP)?
The IEEE 802.11f Inter-Access Point Protocol (IAPP) supports Access Point Vendor interoperability,
enabling roaming of 802.11 Stations within IP subnet.
IAPP defines messages and data to be exchanged between Access Points and between the IAPP and
high layer management entities to support roaming. The IAPP protocol uses TCP for inter-Access
Point communication and UDP for RADIUS request/response exchanges. It also uses Layer 2 frames
to update the forwarding tables of Layer 2 devices.
4.21
What is Wireless Distribution System (WDS)?
The Wireless Distribution System feature allows WLAN AP to talk directly to other APs via wireless
channel, like the wireless bridge or repeater service.
4.22
What is Clone MAC Address?
Clone MAC address is designed for your special application that request the clients to register to a
server machine with one identified MAC address.
Since that all the clients will communicate outside world through the WLAN Access Point, so have
the cloned MAC address set on the WLAN Access Point will solve the issue.
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