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LX220N
User Manual
Contents
1 Safety Precautions
.............................................................................
1
2 Overview
.........................................................................................
2
2.1
Packing List ......................................................................................... 2
2.2
Application .......................................................................................... 2
2.3
Features .............................................................................................. 3
2.4
Standards Compatibility and Compliance ............................................ 4
3 Hardware Description and Installation
....................................................
5
3.1
LEDs and Interfaces ............................................................................ 5
3.2
Hardware Installation ........................................................................... 8
4 PC Network Configuration and Login
....................................................
10
4.1
PC Network Configuration ................................................................. 10
4.2
Logging in to the DSL Router ............................................................ 11
5 Web-based Management
...................................................................
12
5.1
Setup ................................................................................................ 12
5.1.1
Wizard .................................................................................... 13
5.1.2
Internet Setup ......................................................................... 12
5.1.3
Wireless .................................................................................. 16
5.1.4
Local Network ......................................................................... 20
5.1.5
Local IPv6 Network ................................................................. 24
5.1.6
Time and Date ........................................................................ 26
5.1.7
Logout .................................................................................... 27
5.2
Advanced .......................................................................................... 28
5.2.1
Advanced Wireless ................................................................. 28
5.2.2
ALG ........................................................................................ 35
5.2.3
Port Forwarding ...................................................................... 35
5.2.4
DMZ ....................................................................................... 37
5.2.5
SAMBA ................................................................................... 37
5.2.6
Parental Control ...................................................................... 39
5.2.7
Filtering Options...................................................................... 42
5.2.8
QoS Configuration .................................................................. 58
5.2.9
Anti-Attack Settings ................................................................ 50
5.2.10
DNS .................................................................................. 64
5.2.11
Dynamic DNS .................................................................... 52
5.2.12
Network Tools .................................................................... 54
LX220N User Manual
5.2.13
Routing .............................................................................. 64
5.2.14
Schedules ......................................................................... 83
5.2.15
NAT ................................................................................... 70
5.2.16
DLNA ................................................................................ 71
5.2.17
IP Tunnel ........................................................................... 71
5.2.18
Logout ............................................................................... 76
5.3
Management ..................................................................................... 77
5.3.1
Global IPv6 ............................................................................. 90
5.3.2
System Management .............................................................. 77
5.3.3
Firmware Update .................................................................... 79
5.3.4
Access Controls ...................................................................... 80
5.3.5
Diagnosis ................................................................................ 85
5.3.6
Log Configuration ................................................................... 87
5.4
Status ................................................................................................ 87
5.4.1
Device Info ............................................................................. 88
5.4.2
Wireless Clients ...................................................................... 89
5.4.3
DHCP Clients.......................................................................... 89
5.4.4 IPv6 Status ............................................................................ 90
5.4.5
Logs ....................................................................................... 90
5.4.6
Statistics ................................................................................. 91
5.4.7
Route Info ............................................................................... 93
5.5
Help .................................................................................................. 93
6 Trouble Shooting
............................................................................
94
7 FCC Statement
..............................................................................
94
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LX220N User Manual
1 Safety Precautions
Take the following instructions to prevent the device from risks and damage caused by fire or electric power.
Use the type of power marked in the volume label.
Use the power adapter in the product package.
Pay attention to the power load of the outlet or prolonged lines. An overburden power outlet or damaged lines or plugs may cause electric shock or fire accidents. Check the power cords regularly. If you find any damage, replace it at once.
Proper space left for heat dissipation is necessary to avoid damage caused by overheating to the device. The long and thin holes on the device are designed for heat dissipation to ensure that the device works normally.
Do not cover these heat dissipation holes.
Do not put this device close to a heat source or under a high temperature occurs. Keep the device away from direct sunshine.
Do not put this device close to an overdamp or watery place. Do not spill fluid on this device.
Do not connect this device to a PC or electronic product unless instructed by our customer engineer or your broadband provider. Wrong connection may cause power or fire risk.
Do not place this device on an unstable surface or support.
LX220N User Manual
2 Overview
The LX220N DSL Router integrates wireless LAN and USB service into one unit.
It is designed to provide a simple and cost-effective DSL Internet connection for a private Ethernet and 802.11g/802.11b/802.11n wireless network. The Router combines high-speed DSL Internet connection, IP routing for the LAN, and wireless connectivity in one package.
The Router is easy to install and use. The Router connects to an Ethernet LAN or computers via standard Ethernet ports. The DSL connection is made using ordinary telephone line with standard connectors. Multiple workstations can be networked and connected to the Internet by a single Wide Area Network (WAN) interface and single global IP address. The advanced security enhancements, packet filtering and port redirection, can help protect your network from potentially devastating intrusions by malicious agents from outside your network.
Network and Router management is done through the web-based management interface accessed through the local Ethernet using any web browser. You may also enable remote management to enable configuration of the Router via the
WAN interface.
2.1 Packing List
1 x LX220N
1 x external splitter
1 x power adapter
2 x telephone cables (RJ-11, more than 1.8m)
1 x Ethernet cable (RJ-45, more than 1.8m)
1 x USB cable (USB, more than 1m)
1 x user manual
1 x quality guarantee card
1 x certificate of quality
2.2 Application
Home gateway
Wireless LAN
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SOHOs
Small enterprises
Higher data rate broadband sharing
Audio and video streaming and transfer
PC file and application sharing
Network and online gaming
USB storage
2.3 Features
User-friendly GUI for web configuration
Compatible with all standard Internet applications
Industry standard and interoperable xDSL interface
Simple web-based status page displays a snapshot of system configuration, and links to the configuration pages
Downloadable flash software updates
Support for up to 8 permanent virtual circuits (PVC)
Support for up to 8 PPPoE sessions
Support RIP v1 & RIP v2
WLAN with high-speed data transfer rates, compatible with IEEE
802.11b/g/n
IP routing and bridging
Asynchronous transfer mode (ATM) , PTM (Packet Transfer mode), and digital subscriber line (DSL) support
Point-to-point protocol (PPP)
Network/port address translation (NAT/PAT)
Quality of service (QoS)
Wireless LAN security: WPA, 802.1x, RADIUS client
Universal plug-and-play(UPnP)
Web filtering
Management and control
Web-based management (WBM)
Command line interface (CLI)
TR-069 WAN management protocol
Remote update
System statistics and monitoring
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DSL router is targeted at the following platforms: DSL modems, wireless access points and bridge.
Multicast listener discovery (MLD)
Digital living network alliance (DLNA)
Synergy advanced multipurpose bus arbiter (SAMBA)
Internet group management protocol (IGMP)
Application layer gateway (ALG)
2.4 Standards Compatibility and Compliance
Support application level gateway (ALG)
ITU G.992.1 (G.dmt)
ITU G.992.2 (G.lite)
ITU G.994.1 (G.hs)
ITU G.992.3 (ADSL2)
ITU G.992.5 (ADSL2+)
ITU G.993.1 (VDSL)
ITU G993.2 (VDSL2)
ANSI T1.413 Issue 2
IEEE 802.3
IEEE 802.3u
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
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3 Hardware Description and Installation
3.1 LEDs and Interfaces
Front Panel
LX220N User Manual
Figure 1 Front panel
The following table describes the indicators on the front panel.
Indicator Color Status
On
Green
Off
Power
Red On
Description
The device is powered on.
The device is powered off.
Self-test fails, or failure occurs, or the device is starting.
DSL link is established.
DSL Green
On
Slow
Blink
The DSL line is attempting to detect signals.
Internet
WAN
Green
Red
Green
LAN 1/2 Green
WLAN
WPS
Green
Green
Fast Blink
Signals have been detected, and the DSL line is attempting to establish link.
On
Physical layer connection and IP connection is established in routing mode.
Blink
Off
On
On
Blink
Off
On
Blink
Off
On
Blink
Off
On
Blink
IP connection is established, and messages are being transmitted.
IP connection or physical layer link is not established.
IP connection fails.
WAN link is established.
Data is being transmitted through a WAN interface.
WAN link is not established.
Ethernet link is established.
Data is being transmitted through a LAN interface.
Ethernet link is not established.
WLAN is enabled.
Data is being transmitted by the wireless module.
WLAN is disabled.
Negotiation is successful under Wi-Fi protected setup.
Negotiation is in progress under Wi-Fi protected
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USB Green
Off
On
Blink
Off
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Indicator Color Status Description
Setup.
Wi-Fi protected setup is disabled.
A USB flash disk is connected.
Data is being transmitted.
No USB connection.
Rear Panel
Figure 2 Rear panel
The following table describes the interface of the device.
Interface/Button Description
DSL
LAN1/2
RJ-11 interface connecting to a telephone set through a telephone cable
Ethernet RJ-45 interfaces connecting to the Ethernet interfaces of computers or Ethernet devices
WAN Ethernet RJ-45 interfaces connecting to the WAN interfaces.
USB port, for connecting a 3G network card or other USB
USB storage devices.
Reset
ON/OFF
Reset to the factory defaults. To restore factory defaults, keep the device powered on and push a paper clip into the hole.
Press down the button for more than 5 seconds and then release.
Push to power on/off the device.
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Interface/Button Description
Interface connecting to the power adapter. The power
Power adapter output is: 12V DC, 1500mA
Side Panel
Interface/Button
WPS
WLAN
Description
This button is used for enabling
WPS PBC mode. If WPS is enabled, press this button, and then the wireless router starts to accept the negotiation of PBC mode.
WLAN switch, for enabling or disabling the WLAN function.
3.2 Hardware Installation
Step 1 Connect the DSL port of the device and the Modem port of the splitter with a telephone cable. Connect the phone to the Phone port of the splitter through a telephone cable. Connect the incoming line to the
Line port of the splitter.
The splitter has three ports:
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Line: Connect to a wall phone port (RJ-11 jack).
Modem: Connect to the DSL port of the device.
Phone: Connect to a telephone set.
Step 2 Connect a LAN port of the device to the network card of the PC through an Ethernet cable (MDI/MDIX).
Note:
Use twisted-pair cables to connect the device to a Hub or switch.
Step 3 Plug one end of the power adapter to the wall outlet and the other end to the Power port of the device.
Connection 1 : Figure 3 displays the application diagram for the connection of the device, PC, splitter and telephone sets, when no telephone set is placed before the splitter.
Figure 3 Connection diagram (without telephone sets before the splitter)
As illustrated in the following figure, the splitter is installed close to the device.
Installing a telephone directly before the splitter may lead to failure of connection between the device and the central office, or failure of Internet access, or slow connection speed. If you really need to add a telephone set before the splitter, you must add a microfilter before a telephone set. Do not connect several telephones before the splitter or connect several telephones with the microfilter.
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4 PC Network Configuration and Login
4.1 PC Network Configuration
Each network interface on the PC should either be configured with a statically defined IP address and DNS address, or be instructed to automatically obtain an
IP address using the network DHCP server. DSL router provides a DHCP server on its LAN and it is recommended to configure your LAN to automatically obtain its IP address and DNS server IP address.
The configuration principle is identical but should be carried out differently on each operating system.
The following displays the TCP/IP Properties dialog box on Windows XP.
Figure 4 PC Network Configuration
LX220N User Manual
TCP/IP configuration steps for Windows XP are as follows:
Step 1 Choose Start > Control Panel > Network Connections.
Right-click the Ethernet connection icon and choose
On the General tab, select the
Properties
Internet Protocol (TCP/IP)
.
component and click Properties . The Internet Protocol (TCP/IP) Properties window appears.
Select the Obtain an IP address automatically radio button.
Select the Obtain DNS server address automatically radio button.
Click OK to save the settings.
4.2 Logging in to the DSL Router
To log in to the DSL router, do as follows.
Step 1 Open a Web browser on your computer.
Step 2 Enter http://192.168.1.1
(default IP address of the DSL router) in the address bar. The login page appears.
Step 3 Enter the user name and the password. The default username and password of the super user are admin and c1@r0 . The username and password of the common user are Usuario and c1@r0 . It is recommended to change these default values after logging in to the DSL router for the first time.
Step 4 Click Login to log in to the Web page.
Figure 5 Logging in to the DSL Router
After logging in to the DSL router as a super user, you can query, configure, and modify all the settings, and diagnose the system.
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5 Web-based Management
This chapter describes how to use Web-based management of the DSL router, which allows you to configure and control all of DSL router features and system parameters in a user-friendly GUI.
5.1 Setup
In the main interface, click Setup tab to enter the Setup menu as shown in the following figure. The submenus are Wizard , Internet Setup , Wireless , Local
Network , Local IPv6 Network , Time and Date and Logout .
5.1.1
Internet Setup
Choose Setup > Internet Setup . The page shown in the following figure appears.
In this page, you can configure the WAN interface of the device.
LX220N User Manual
Click Add in “INTERNET SETUP” . The page shown in the following figure appears.
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The following table describes the parameters in this page.
Field Description
DSL Mode
PVC Settings
Service
You can select ATM or PTM .
VPI : The virtual path between two points in an ATM network, and its valid value is from 0 to 255 .
VCI : The virtual channel between two points in an ATM network, ranging from 32 to 65535 (0 to 31 is reserved for local management of ATM traffic).
You can select from the drop-down list.
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Field
Category
LX220N User Manual
Description
You can select from the drop-down list.
Protocol
Encapsulation
Mode
Select the method of encapsulation provided by your
ISP. You can select LLC or VCMUX .
Click Apply , the page shown in the following figure appears.
To manage the existing WAN connections, select a connection from the list, and then click Edit or Delete .
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5.1.2
Wireless
This section describes the wireless LAN and basic configuration. A wireless LAN can be as simple as two computers with wireless LAN cards communicating in a pear-to-pear network or as complex as a number of computers with wireless LAN cards communicating through access points which bridge network traffic to wired
LAN.
Choose Setup > Wireless . The Wireless page shown in the following figure appears.
5.1.2.1 Wireless Basic
In the Wireless page, click Wireless Basic .
The page shown in the following figure appears.
In this page, you can configure the parameters of wireless LAN clients that may connect to the device.
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The following table describes the parameters in this page.
Field Description
Enable
Wireless
AP Isolate
Select this to turn Wi-Fi on.
Select this to turn AP isolation on.
Wireless
Network Name
(SSID)
The Wireless Network Name is a unique name that identifies a network. All devices on a network must share the same wireless network name in order to communicate on the network. If you decide to change the wireless network name from the default setting, enter your new wireless network name in this field.
Visibility Status You can select Visible or Invisible .
Country Select the country from the drop-down list.
802.11 Mode
Band Width
Wireless
Channel
Transmission
Select the appropriate 802.11 mode based on the wireless clients in your network. The drop-down menu options are 802.11b only , 802.11g only , 802.11n only , Mixed 802.11b/g , Mixed 802.11n/g and Mixed
802.11b/g/n .
Select the appropriate band as 20M , 40M Plus , or 40M
Minus from the pull-down menu.
Select the wireless channel from the pull-down menu.
It is different for different country.
Select the transmission rate for the network. The rate
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Rate
Field
LX220N User Manual
Description of data transmission should be set depending on the speed of your wireless network. You can select from a range of transmission speeds, or you can select Auto to have the Router automatically use the fastest possible data rate and enable the Auto-Fallback feature. Auto-Fallback will negotiate the best possible connection speed between the Router and a wireless client. The default is Auto .
Click Apply to save the settings.
5.1.2.2 Wireless Security
In the Wireless page, click Wireless Security . The page shown in the following figure appears. Wireless security is vital to your network to protect the wireless communication among wireless stations, access points and wired network.
Note:
Enable Wireless before configuring the wireless security settings in this page.
Refer to 5.1.2.1 Wireless Basic.
When the Security Mode is set as WEP , the following figure appears.
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The following table describes the parameters of this page.
Field Description
WEP Key Length
Default Tx Key
WEP Key Format
WEP Key 1/2/3/4
Authentication
Choose the WEP key length. You can choose 64-bit or 128-bit .
Choose the index of WEP Key. You can choose Key
1 , 2 , 3 or 4 .
When 64-bit key length is selected, you can choose ASCII (5 characters) or HEX (10 characters) .
When 128-bit key length is selected, you can choose ASCII (13 characters) or HEX (26 characters) .
The Encryption keys are used to encrypt the data.
Both the modem and wireless stations must use the same encryption key for data transmission. The default key 1 is 1111111111 .
Choose an authentication mode.
Click Apply to save the settings.
When the Security Mode is set as WPA2 only or WPA/WPA2 Mixed , the following figure appears.
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The following table describes the parameters in this page.
Field Description
Wireless
Security Mode
WPA Mode
Encryption
Mode
Group Key
Update Interval
Configure the wireless encryption mode. You can choose None , WEP , WPA2 Only or WPA /WPA2
Mixed .
Wired equivalent privacy (WEP) encrypts data frames before transmitting over the wireless network.
WPA2 is a subset of the IEEE802.11i security specification draft.
WPA/WPA2 Mixed is the collection of WPA and
WPA2 encryption modes. The wireless client establishes the connection between the modem through WPA or WPA2.
Key differences between WPA and WEP are user authentication and improved data encryption.
Select Personal , and then enter the pre-shared key in the Pre-Shared Key field.
Select Enterprise , and then enter the port, IP address, and password of the Radius server. You need to enter the password provided by the Radius server when the wireless client connects the modem.
If the encryption is set to WEP , the modem uses 802.1
X authentication, which is Radius authentication.
When WPA /WPA2 Mixed is selected, you can select
WPA encryption as AES , TKIP or Both .
When WPA encryption is applied, messages sent are encrypted with a password. For higher security, WPA password is updated periodically. This value is the update interval of the WPA password.
5.1.3
Local Network
You can configure the LAN IP address according to the actual application. The preset IP address is 192.168.1.1. You can use the default settings and DHCP
20
LX220N User Manual service to manage the IP settings for the private network. The IP address of the device is the base address used for DHCP. To use the device for DHCP on your
LAN, the IP address pool used for DHCP must be compatible with the IP address of the device. The IP address available in the DHCP IP address pool changes automatically if you change the IP address of the device.
You can also enable the secondary LAN IP address. The two LAN IP addresses must be in different networks.
Choose Setup > Local Network . The Local Network page shown in the following figure appears.
By default, Enable DHCP Server is selected for the Ethernet LAN interface of the device. DHCP service supplies IP settings to workstations configured to automatically obtain IP settings from a PC connected to the device through the
Ethernet port. When the device is used for DHCP, it becomes the default gateway for DHCP clients connected to it. If you change the IP address of the device, you must also change the range of IP addresses in the pool used for DHCP on the
LAN. The IP address pool can contain up to 253 IP addresses.
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This page is used to configure the DHCP Server and DHCP Relay Settings. The
HCP Lease Time is at least 600 seconds and without upper limit; -1 means unrestricted lease time.
Click Apply to save the settings.
The DHCP Client Class List section is shown as below.
Click Add , the page shown in the following figure appears.
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The DHCP Cond Option section is shown as below. Here you can specify the reply message (option 240 ~ 245 ) the modem sends to the client. After DHCP
CLIENT CLASS is configured, you can configure DHCP COND OPTION .
Click Add to add DHCP option as shown in the following figure.
Only when this function is enabled, the modem returns the content below to the client.
The Cond Option Client Class is the c lient c lass name of DHCP Cond Option .
The Cond Option Tag is a part of the value in the message sent by the modem to the client. It is between 240 and 245 .
The Cond Option Value is a value in the message sent by the modem to the client. This value can be specified at random.
After setting, click Apply to save the settings.
In the Local Network page, you can assign IP addresses on the LAN to specific individual computers based on their MAC addresses.
Click Add to add static DHCP (optional). The page shown in the following figure appears.
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Select Enable to reserve the IP address for the designated PC with the configured MAC address. The Computer Name helps you to recognize the PC with the MAC address, for example, Father’s Laptop. Click Apply to save the settings.
After the DHCP reservation is saved, the DHCP reservations list displays the configuration.
The NUMBER OF DYNAMIC DHCP CLIENTS page shows the current DHCP clients (PC or Laptop) connected to the device and the detailed information of the connected computer(s).
5.1.4
Local IPv6 Network
You can configure the LAN IPv6 address according to the actual application. The preset IPv6 address is fe80::1. You can use the default settings and DHCPv6 service to manage the IPv6 settings for the private network. The IPv6 address of the device is the base address used for DHCPv6. To use the device for DHCPv6 on your LAN, the IPv6 address pool used for DHCPv6 must be compatible with the IPv6 address of the device. The IPv6 address available in the DHCP IPv6 address pool changes automatically if you change the IPv6 address of the device.
Choose Setup > Local IPv6 Network . The page shown in the following figure appears. In this page, you can configure a static LAN IPv6 address, enable or disable DHCPv6 server and RADVD, and configure site prefix.
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The following table describes the parameters in this page.
Field Description
IPv6 Interface
Address
Enable DHCPv6
Server
The IPv6 address of link local gateway on the LAN side.
Choose to enable DHCPv6 server.
LAN address config mode
Start/ End
Choose an IPv6 address mode. Stateless refers to stateless address auto-configuration (SLAAC) mode, and Stateful refers to dynamic host configuration protocol (DHCP) mode.
IPv6 address pool range.
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Field
LX220N User Manual
Description
Interface ID
DHCPv6 Lease
Time
Get DNS Servers from WAN
IPv6 lease time.
You can choose to get the IPv6 DNS server address from the WAN side.
You can manually set the IPv6 DNS server address. Static DNS
Servers
Static IPv6 DNS
Servers
Input an IPv6 DNS server address.
Enable RADVD
Auto get prefix from WAN
The router advertisement daemon (RADVD) is run by Linux or BSD systems acting as IPv6 routers. It sends router advertisement messages, specified by
RFC2461, to a local Ethernet LAN periodically and when requested by a node sending a router solicitation message. These messages are required for IPv6 stateless auto-configuration.
You can choose to get an IPv6 prefix from the WAN automatically.
WAN interface
You can choose to get an IPv6 prefix from the selected WAN connection.
Static You can choose to specify an IPv6 prefix.
Site Prefix Input an IPv6 prefix.
After finishing setting, click the Apply button to apply the settings.
5.1.5
Time and Date
Choose Setup > Time and Date . The page shown in the following figure appears.
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In the Time and Date page, you can configure, update, and maintain the correct time on the internal system clock. You can set the time zone that you are in and the network time protocol (NTP) server. You can also configure daylight saving to automatically adjust the time when needed.
Select Automatically synchronize with Internet time servers .
Select the specific time server and the time zone from the corresponding drop-down lists.
Select Automatically adjust clock for daylight saving changes if necessary.
Set the daylight as you want.
Click Apply to save the settings.
5.1.6
Logout
Choose Setup > Logout . The page shown in the following figure appears. In this page, you can log out of the configuration page.
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5.2 Advanced
This section includes advanced features for network management, security and administrative tools to manage the device. You can view status and other information used to examine performance and troubleshoot.
In the main interface, click Advanced tab to enter the Advanced menu as shown in the following figure. The submenus are 2.4G Advanced Wireless , ALG , Port
Forwarding , DMZ , SAMBA , Parental Control , Filtering Options , QoS
Configuration , Anti-Attack Settings , DNS , Dynamic DNS , Network Tools ,
Routing , Schedules , NAT , DLNA , IP Tunnel and Logout .
5.2.1
Advanced Wireless
It is suggested not to change the defaults, as incorrect settings may reduce the performance of your wireless radio. The default settings provide the best wireless radio performance in most environments.
Choose Advanced > Advanced Wireless . The page shown in the following figure appears.
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5.2.1.1 Advanced Settings
Select Advanced Settings . The page shown in the following figure appears.
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Wireless Network Name (SSID) : The Wireless Network Name is a unique name that identifies a network. All devices on a network must share the same wireless network name in order to communicate on the network. If you decide to change the wireless network name from the default setting, enter your new wireless network name in this field.
These settings are only for more technically advanced users who have sufficient knowledge about wireless LAN. Do not change these settings unless you know the effect of changes on the device.
Click Apply to save the settings.
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5.2.1.2 MAC Filtering
Select MAC Filtering . The page shown in the following figure appears.
MAC address access control permits access to this route from hosts with MAC addresses contained in the WLAN Filter List.
Choose a wireless SSID, select an access control mode, and then click Add to add a MAC Address as shown in the following figure. Click Apply to finish. After adding a filter, you can edit or delete it.
5.2.1.3 Security Settings
Select Security Settings . The VAP Configuration page appears.
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Select the SSID that you want to configure from the drop-down list. Select the encryption type from the Work Mode drop-down list. You can select None , WEP ,
WPA2 Only or WPA/WPA2 Mixed . The default mode is None .
If you select WEP , the page shown in the following figure appears.
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If you select WPA2 Only or WPA/WPA2 Mixed , the page shown in the following figure appears.
Click Submit to save the settings. For detailed configuration, you may refer to
5.1.2.2 Wireless Security.
5.2.1.4 WPS Settings
Select WPS Settings . This page is used to config WPS settings.
Note:
To configure WPS, the WLAN security mode must be WPA-PSK or
WPA2-PSK mode.
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The following table describes the parameters of this page.
Field Description
Wireless SSID
Enabled WPS
PBC
PIN
WPS Session
Status
Select one SSID of the CPE.
Choose to enable WPS function to set the following parameters.
In this way, the router generates PIN. Click this button, the router will generate a PIN, and meanwhile press the WPS button on the wireless client. The wireless client automatically establishes connection with the router under encryption mode without inputting the key.
In this way, the wireless client generates PIN. Enter
PIN of the wireless client in the Input Station PIN field, and then click PIN to establish the connection.
Display the session status.
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5.2.2
ALG
Choose Advanced > ALG . The page shown in the following figure appears. In this page, you can enable passthrough of TFTP, FTP, PPTP, RTSP, L2TP, H323,
SIP and IPSEC.
5.2.3
Port Forwarding
This function is used to open ports in your device and redirect data through those ports to a single PC on your network (WAN-to-LAN traffic). It allows remote users to access services on your LAN, such as FTP for file transfers or SMTP and
POP3 for e-mail. The device accepts remote requests for these services at your global IP address. It uses the specified TCP or UDP protocol and port number, and redirects these requests to the server on your LAN with the LAN IP address you specify. Note that the specified private IP address must be within the available range of the subnet where the device is in.
Choose Advanced > Port Forwarding . The page shown in the following figure appears.
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Click Add to add a virtual server. enter a name in the Server Name field.
Enter an IP address in the Server IP Address field to appoint the corresponding
PC to receive forwarded packets.
Click Apply to save the settings.
The page shown in the following figure appears.
A virtual server is added.
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5.2.4
DMZ
Since some applications are not compatible with NAT, the device supports the use of a DMZ IP address for a single host on the LAN. This IP address is not protected by NAT and it is visible to agents on the Internet with the correct type of software. Note that any client PC in the DMZ is exposed to various types of security risks. If you use the DMZ, take measures (such as client-based virus protection) to protect the remaining client PCs on your LAN from possible contamination through DMZ.
Choose Advanced > DMZ . The page shown in the following figure appears.
Choose to enable DMZ, input a DMZ host ip address or Select a IP from list, and click then Apply to save the settings.
5.2.5
SAMBA
Select Advanced > SAMBA . The page shown in the following figure appears.
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The following table describes the parameters of this page.
Field Description
Enable SAMBA
Workgroup
Netbios Name
Select the check box to enable the samba service
Enter the name of your local area network (LAN).
Enter your netbios name which is an identifier used by netbios services running on a computer.
Enter your samba password for user root. New SMB password
Retype new SMB password
Enable USB
Storage
Enable
Anonymous
Access
Reconfirm your samba password here.
Select the check box to support USB storage.
Select the check box to allow anonymous users access.
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5.2.6
Parental Control
Choose Advanced > Parental Control . The Parent Control page shown in the following figure appears.
This page provides two useful tools for restricting the Internet access. Website
Filter allows you to quickly create a list of all websites that you wish to stop users from accessing. MAC Filter allows you to control when clients or PCs connected to the device are allowed to access the Internet.
5.2.6.1 Website Filter
In the Parental Control page, click Website Filter . The page shown in the following figure appears.
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Click Add . The page shown in the following figure appears.
Enter the website in the URL field. Select the Schedule from the drop-down list, or select Manual Schedule and select the corresponding time and days.
Click Apply to add the website to the WEBSITE FILTER table. The page shown in the following figure appears.
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5.2.6.2 MAC Filter
In the Parental Control page, click MAC Filter . The page shown in the following figure appears.
Choose BLACK_LIST or WHITE_LIST , and then click Add . The page shown in the following figure appears.
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Enter the use name and MAC address and select the corresponding time and days. Click Apply to add the MAC address to the BLOCK MAC ADDRESS
Table . The page shown in the following figure appears.
5.2.7
Filtering Options
Choose Advanced > Filtering Options . The Filtering Options page shown in the following figure appears.
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5.2.7.1 IPv4 Filtering
In the Filtering Options page, click IPv4 Filtering . The page shown in the following figure appears. In this page, you may configure IPv4 firewall function.
Note:
The settings are applicable only when IP filter is enabled.
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Select a security level, choose a filter direction, and then click Add a rule to display the following figure.
The following table describes the parameters of this page.
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Field
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Description
Connection
Enable
Protocol
Choose an IPv4 WAN connection.
Tick in the box to enable a filter rule.
Choose a protocol corresponding to the rule. You may choose TCP , UDP , ICMP or TCP/UDP .
Original/ destination IP address. Source/ Destination
IP
Source/ Destination
Mask
Source/Destination
Port
Original/ destination mask.
Original/ end port, which is the original port range.
Description You can describe this IPv4 filter rule.
After setting the parameters, click Submit . The page shown in the following figure appears. You can also click Edit or Delete to manage the rule.
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5.2.7.2 IPv6 Filtering
In the Filtering Options page, click IPv6 Filtering . The page shown in the following figure appears. In this page, you may configure IPv6 firewall function.
Note:
The settings are applicable only when the firewall is enabled.
Select a security level, choose a filter direction, and then click Add a rule to display the following figure.
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The following table describes the parameters of this page.
Field Description
Connection
Enable
Protocol
Choose an IPv6 WAN connection.
Tick in the box to enable a firewall rule.
Choose a protocol corresponding to the rule. You may choose TCP , UDP , ICMPv6 or TCP/UDP .
Original/ destination IP address Source/ Destination
IP
Source prefix length Original/ destination mask
Original/ end port, which is the original port range Source/Destination
Port
Description You can describe this IPv6 filter rule.
After setting the parameters, click Submit . The page shown in the following figure appears. You can also click Edit or Delete to manage the rule.
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5.2.7.3 Bridge Filtering
In the Filtering Options page, click Bridge Filtering . The page shown in the following figure appears. This page is used to configure bridge parameters. In this page, you can change the settings or view some information of the bridge and its attached ports.
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As instructed in the page, choose a bridge filtering global policy as ALLOW or
DENY , and then Click Add to add a bridge filter. The page shown in the following figure appears.
The following table describes the parameters of this page.
Field Description
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Description
Protocol Type
Choose a third-layer protocol type for bridge filtering from the drop-down list. You may choose PPPoE ,
IPv4 , IPv6 , AppleTalk , IPX or NetBEUI .
The MAC address of sendee of the message Destination MAC
Address
Source MAC
Address
User priority
VlanID
Frame Direction
Time schedule
Wan interface
The MAC address of sender of the message
Vlan priority.
Vlan ID of a message 。
Choose the sending direction as WAN to LAN or
LAN to WAN .
Choose the filtering strategy as always or never .
Set an effective interface for the bridge filtering rule.
Click Apply to save the settings.
5.2.8
Anti-Attack Settings
Choose Advanced > Anti-Attack Settings . The Anti-Attack Configuration page shown in the following figure appears.
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A denial-of-service (DoS) attack is characterized by an explicit attempt by attackers to prevent legitimate users of a service from using that service.
Port scan protection is designed to block attempts to discover vulnerable ports or services that might be exploited in an attack from the WAN.
Click Submit to save the settings.
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5.2.9
Dynamic DNS
The device supports dynamic domain name service (DDNS). The dynamic DNS service allows a dynamic public IP address to be associated with a static host name in any of the many domains, and allows access to a specified host from various locations on the Internet. Click a hyperlinked URL in the form of hostname.dyndns.org and allow remote access to a host. Many ISPs assign public IP addresses using DHCP, so locating a specific host on the LAN using the standard DNS is difficult. For example, if you are running a public web server or
VPN server on your LAN, DDNS ensures that the host can be located from the
Internet even if the public IP address changes. DDNS requires that an account be set up with one of the supported DDNS service providers (DyndDNS.org,
3322.org and freedns.afraid.org).
Choose Advanced > Dynamic DNS . The page shown in the following figure appears.
Click Add to add dynamic DNS. The page shown in the following figure appears.
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The following table describes the parameters of this page.
Field Description
DDNS provider
Host Name
Select one of the DDNS registration organizations from the down-list drop. Available servers include
DynDns.org
, 3322.org
and freedns.afraid.org
.
Enter the host name that you registered with your
DDNS service provider.
Username
Password
Enter the user name for your DDNS account.
Enter the password for your DDNS account.
Click Apply to save the settings.
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5.2.10
Network Tools
Choose Advanced > Network Tools . The page shown in the following figure appears.
（ Network Tools-1 ）
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（ Network Tools-2 ）
5.2.10.1 Port Mapping
Choose Advanced > Network Tools and click Port Mapping . The page shown in the following figure appears.
In this page, you can bind the WAN interface and the LAN interface to the same group.
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Click Add to add port mapping. The page shown in the following figure appears.
The procedure for creating a mapping group is as follows:
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Step 1 Enter the group name.
Step 2 Select interfaces from the Available Interface list and click the <arrow button to add them to the grouped interface list, in order to create the required mapping of the ports. The group name must be unique.
Step 3 Click Apply to save the settings.
5.2.10.2 IGMP Proxy
Choose Advanced > Network Tools and click IGMP Proxy . The page shown in the following figure appears.
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IGMP proxy enables the system to issue IGMP host messages on behalf of hosts that the system discovered through standard IGMP interfaces. The system acts as a proxy for its hosts after you enable it.
Click Apply to save the settings.
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5.2.10.3 IGMP Snooping
Choose Advanced > Network Tools and click IGMP Snooping . The page shown in the following figure appears.
When IGMP Snooping is enabled, the multicast data transmits through the specific LAN port which has received the request report.
5.2.10.4 MLD Configuration
Choose Advanced > Network Tools and click MLD Configuration . The page shown in the following figure appears. This section allows you to configure the
MLD setup settings of your router.
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The following table describes the parameters of this page.
Field Description
You can choose to enable MLD proxy. Enable Mld
Proxy
WAN
Connection
Enable MLD
Snooping
Choose an IPv6 WAN connection.
Multicast Listener Discovery Snooping (MLD Snooping) is an IPv6 multicast constraining mechanism that runs on
Layer 2 devices to manage and control IPv6 multicast groups. By analyzing received MLD messages, a Layer 2 device running MLD Snooping establishes mappings between ports and multicast MAC addresses and forwards IPv6 multicast data based on these mappings.
5.2.10.5 UPnP
Choose Advanced > Network Tools and click UPnP . The page shown in the following figure appears.
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In this page, you can configure universal plug and play (UPnP). The system acts as a daemon after you enable UPnP.
UPnP is used for popular audio visual software. It allows automatic discovery of your device in the network. If you are concerned about UPnP security, you can disable it. Block ICMP ping should be enabled so that the device does not respond to malicious Internet requests.
Click Apply to save the settings.
5.2.10.6 DSL
Choose Advanced > Network Tools and click DSL . The page shown in the following figure appears.
In this page, you can select a DSL mode. Normally, you can keep this factory default setting. The device negotiates the modulation mode with DSLAM.
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Click Apply to save the settings.
5.2.10.7 TR-069
Choose Advanced > Network Tools and click TR069 . The page shown in the following figure appears.
In this page, you can configure the TR069 CPE.
Click Apply to save settings.
5.2.10.8 Certificates
Choose Advanced > Network Tools and click Certificates . The Certificates page shown in the following figure appears.
Click Trusted CA button to import a certificate.
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Note:
You can input a certificate after deleting the existing certificate.
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5.2.10.9 Printer
Choose Advanced > Network Tools and click Printer . The Printer page shown in the following figure appears. In this page, you can enable/disable printer support.
5.2.11
Routing
Choose Advanced > Routing . The page shown in the following figure appears.
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5.2.11.1 Static Routing
Choose Advanced > Routing and click Static Routing . The page shown in the following figure appears. This page is used to configure the routing information.
In this page, you can add or delete IP routes.
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Click Add to add a static route. The page shown in the following figure appears.
The following table describes the parameters of this page.
Field Description
Destination
Address
Subnet Mask
Network The destination IP address of the router.
The subnet mask of the destination IP
Use Interface
Use Gateway IP Address The gateway IP address of the router.
Click Apply to save the settings.
5.2.11.2 IPv6 Static Route
Choose Advanced > Routing and click IPv6 Static Route . The page shown in the following figure appears.
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Click Add to add an IPv6 static route. The page shown in the following figure appears.
The following table describes the parameters of this page.
Field Description
Destination
Address
Network The destination IP address of the static route.
Use Gateway IP Address The gateway IP address of the static route.
Use Interface The interface name of the static route.
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5.2.11.3 Policy Route
Choose Advanced > Routing and click Policy Route . The page shown in the following figure appears. The policy route binds one WAN connection and one
LAN interface.
Click Add , and the page shown in the following figure appears. Choose one WAN connection and at lease one LAN connection to bind together, and then click
Apply .
5.2.11.4 RIP
Choose Advanced > Routing and click RIP . The page shown in the following figure appears. This page is used to select the interfaces on your device that use
RIP and the version of the protocol used.
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If you are using this device as a RIP-enabled device to communicate with others using the routing information protocol, enable RIP and click Apply to save the settings.
5.2.11.5 RIPng
Choose Advanced > Routing and click RIPng . The page shown in the following figure appears. You can enable or disable dynamic routing of an IPv6 interface after establishing an IPv6 PVC connection.
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5.2.12
NAT
Choose Advanced > NAT . The page shown in the following figure appears.
Traditional NAT would allow hosts within a private network to transparently access hosts in the external network, in most cases. In a traditional NAT, sessions are unidirectional, outbound from the private network. Sessions in the opposite direction may be allowed on an exceptional basis using static address maps for pre-selected hosts
Click Add to set a NAT set in the following page. For IP type, you can choose single IP or IP range. Click Apply to save and enable the setting.
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5.2.13
DLNA
Choose Advanced > DLNA . The page shown in the following figure appears. In this page, you can choose to enable DLNA, and then click Apply .
5.2.14
IP Tunnel
Choose Advanced > IP Tunnel . The page shown in the following figure appears.
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5.2.14.1 4in6 Tunnel
Choose Advanced > IP Tunnel and then click 4in6 Tunnel . The page shown in the following figure appears. In this page, you can configure IPv4 penetration through IPv6 network. When only IPv6 access is provided by your ISP, you can access the Internet via IPv4 and IPv6.
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Click Add below the table IPTUNNEL to add tunnel items. The page shown in the following figure appears.
The following table describes the parameters of this page.
Field Description
Tunnel Name Set a tunnel name.
Tunnel Mode Select the tunnel mode as 4 in6 or 6in4.
Wan Interface Choose a WAN interface used for the tunnel.
Lan Interface Choose a LAN interface used for the tunnel.
Click Apply to enable the settings.
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Click Add below the table DS-Lite IPv4 over IPv6 Tunnel List to add a DS-Lite item, which is a 4in6 tunnel. The page shown in the following figure appears.
The following table describes the parameters of this page.
Field Description
Mechanism The tunnel type is DS-Lite, which is 4in6 tunnel.
Dynamic Set the obtaining mode of remote IPv6 addresses.
You can select 0 or 1 .
RemoteIPv6Address Set the remote end IPv6 address of the tunnel.
Click Apply to enable the settings.
5.2.14.2 6in4 Tunnel
Choose Advanced > IP Tunnel and then click 6in4 Tunnel . The page shown in the following figure appears.
In this page, you can configure IPv6 penetration through IPv4 network. When only IPv4 access is provided by your ISP, you can access the Internet via IPv4 and IPv6.
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Click Add below the table IPTUNNEL to add tunnel items. The page shown in the following figure appears.
The following table describes the parameters of this page.
Field Description
Tunnel Name Set a tunnel name.
Tunnel Mode Select the tunnel mode as 4 in6 or 6in4.
Wan Interface
Lan Interface
Choose a WAN interface used for the tunnel.
Choose a LAN interface used for the tunnel.
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Click Apply to enable the settings.
Click Add below the table IPv6 Rapid Deployment to add a 6RD item, which is a
6in4 tunnel. The page shown in the following figure appears.
The following table describes the parameters of this page.
Field Description
Mechanism The tunnel type is 6RD, which is a 6in4 tunnel.
Dynamic Set the obtaining mode of Border Relay Address.
IPv4MaskLen Set the subnet mask digits of the IPv4 address of the local WAN interface.
Prefix Set the IPv6 prefix of the 6RD tunnel.
BorderRelayAddress Set the Border Relay IPv4 address at the remote end.
Click Apply to enable the settings.
5.2.15
Logout
Choose Advanced > Logout . The page shown in the following figure appears. In this page, you can log out of the configuration page.
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5.3 Management
In the main interface, click Management tab to enter the Management menu as shown in the following figure. The submenus are Global IPv6 , System
Managemen t, Firmware Update , Access Controls , Diagnosis , Log
Configuration and Logout .
5.3.1
System Management
Choose Management > System Management . The page shown in the following figure appears.
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In this page, you can reboot device, back up the current settings to a file, update settings from the file saved previously and restore the factory defaults.
The buttons in this page are described as follows.
Field Description
Reboot
Backup Setting
Click this button to reboot the device.
Click this button to save the settings to the local hard
Update setting drive. Select a location on your computer to back up the file. You can name the configuration file.
Click Browse to select the configuration file of device and then click Update Settings to begin updating the device configuration.
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Restore Default
Setting
LX220N User Manual
Click this button to reset the device to default settings.
Note:
Do not turn off your device or press the Reset button while an operation in this page is in progress.
5.3.2
Firmware Update
Choose Management > Firmware Update . The page shown in the following figure appears. In this page, you can upgrade the firmware of the device.
To update the firmware, take the following steps.
Step 1 Click Browse… to locate the file.
Step 2 Select Clear Config to clear the current configuration and restore the default.
Step 3 Click Update Firmware to copy the file.
The device loads the file and reboots automatically.
Note:
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Do not turn off your device or press the Reset button while an operation in this page is in progress.
5.3.3
Access Controls
Choose Management > Access Controls . The Access Controls page shown in the following figure appears. The page contains User Management , Local
Access Control, Remote Access Control and IP Address .
5.3.3.1 Account Password
In the Access Controls page, click Account Password . The page shown in the following figure appears. In this page, you can change the password of the user and set time for automatic logout.
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You should change the default password to secure your network. Ensure that you remember the new password or write it down and keep it in a safe and separate location for future reference. If you forget the password, you need to reset the device to the factory default settings and all configuration settings of the device are lost.
Select the Username from the drop-down list. You can select admin
(subject to different models)
or Usuario.
Enter the current and new passwords and confirm the new password to change the password. Click Apply to apply the settings.
Web Idle Time Out is the idle duration of user interfaces. After this duration, you need to login to the router again for operation.
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5.3.3.2 Local Access Control
Under the Access Controls menu, click Local Access Control . The page shown in the following figure appears. This page allows you to enable or disable
LAN management services. For example, if the Telnet service is enabled on port
23, the remote host can access the router by Telnet through port 23.
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5.3.3.3 Remote Access Control
Under the Access Controls menu, click Remote Access Control . The page shown in the following figure appears. This page allows you to enable or disable
WAN management services. You may refer to 5.3.3.2 Local Access Control.
5.3.3.4 IP Address
In the Access Controls page, click IP Address . The page shown in the following figure appears.
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In this page, you can configure the IP address for access control list (ACL). If ACL is enabled, only devices with the specified IP addresses can access the device.
Note:
If you enable the ACL, ensure that IP address of the host is in the ACL list.
To add an IP address to the IP list, click Add . The page shown in the following figure appears.
Click Apply to apply the settings, and then choose Enable Access Control
Mode to enable ACL.
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5.3.4
Diagnosis
Choose Management > Diagnosis . The Diagnosis page shown in the following figure appears. The page contains DSL Test and Traceroute .
5.3.4.1 Traceroute
In the Diagnosis page, click Traceroute . The page shown in the following figure appears. In this page, you can determine the routers on the Internet by sending packets.
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Click Traceroute to begin diagnosis. After finish, the page shown in the following figure appears.
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5.3.5
System Log
Choose Management > Log Configuration . The System Log page shown in the following figure appears.
This page displays event log data in the chronological manner. You can read the event log from the local host or send it to a system log server. In this page, you can enable or disable the system log function.
To log the events, take the following steps.
Step 1 Select Enable Log check box.
Step 2 Select the display mode from the Mode drop-down list.
Step 3 Enter the Server IP Address and Server UDP Port if the Mode is set to Both or Remote .
Step 4 Click Apply to apply the settings.
Step 5 Click View System Log to view the detail information of system log.
5.4 Status
In the main interface, click Status tab to enter the Status menu as shown in the following figure. The submenus are Device Info , Wireless Clients , DHCP
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Clients , LAN Clients, Monitor, Stream Rate , Logs , Statistics , Route Info and
Logout . You can view the system information and monitor performance.
5.4.1
Device Info
Choose Status > Device Info . The page shown in the following figure appears.
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The page displays the summary of the device status. It includes the information of firmware version, upstream rate, downstream rate, uptime and Internet configuration (both wireless and Ethernet statuses).
5.4.2
Wireless Clients
Choose Status > Wireless Clients . The page shown in the following figure appears. The page displays authenticated wireless stations and their statuses.
5.4.3
DHCP Clients
Choose Status > DHCP Clients . The page shown in the following figure appears.
This page displays all client devices that obtain IP addresses from the device.
You can view the host name, IP address, MAC address and time expired(s).
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5.4.4
Logs
Choose Status > Logs . The page shown in the following figure appears. This page lists the system log. Click Refresh to refresh the system log shown in the table.
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5.4.5
Statistics
Choose Status > Statistics . The page shown in the following figure appears.
This page displays the statistics of the network and data transfer. This information helps technicians to identify if the device is functioning properly. The information does not affect the function of the device.
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5.4.6
Route Info
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Choose Status > Route Info . The page shown in the following figure appears.
The table shows a list of destination routes commonly accessed by the network.
5.5 Help
In the main interface, click Help tab to enter the Help menu as shown in the following figure. This section provides detailed configuration information for the device. Click a wanted link to view corresponding information.
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6 Trouble Shooting
Question
Why are all the indicators off?
Why the is off?
LAN indicator
Why is the DSL
Answer
Check the connection between the power adapter and the power socket.
Check whether the power switch is turned on.
Check the following:
The connection between the device and your
PC, hub or switch
The running status of the computer, hub, or switch
Check the connection between the DSL port of the indicator not on? device and the wall jack.
Why Internet access fails while the ADSL indicator is on?
Check whether the VPI, VCI, user name and password are correctly entered.
Why I fail to access the web configuration page of the DSL router?
How to load the default settings after incorrect configuration?
Choose Start > Run from the desktop, and ping
192.168.1.1
(IP address of the DSL router). If the
DSL router is not reachable, check the type of the network cable, the connection between the DSL router and the PC, and the TCP/IP configuration of the PC.
To restore the factory default settings, turn on the device, and press the reset button for about 3 seconds, and then release it. The default IP address and the subnet mask of the DSL router are
192.168.1.1
and 255.255.255.0
, respectively.
Administrator username/password: 1234 / 1234
(subject to different models)
.
Common username/password: user / user .
ISP technician username/password: support / support .
LX220N User Manual
7. FCC 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 or more 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.
FCC Radiation Exposure Statement
This device complies with FCC radiation exposure limits set forth for an uncontrolled environment and it also complies with Part 15 of the FCC RF Rules.
This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and installers must be provide with antenna installation instructions and consider removing the no-collocation statement.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
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(2) this device must accept any interference received, including interference that may cause undesired operation.
Caution!
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
FCC - PART 68
This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA. On the bottom of this equipment is a label that contains, among other information, a product identifier in the format US: S90DL01ALX220N.
If requested, this number must be provided to the telephone company.
This equipment uses the following USOC jacks: RJ-11, RJ-45, USB Jack, Power
Jack
REN (RINGER EQUIVALENT NUMBERS) STATEMENT
Notice: The Ringer Equivalence Number (REN: 0.1A) assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone interface. The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the
Ringer Equivalence Numbers of all the devices does not exceed 5.
ATTACHMENT LIMITATIONS STATEMENT
Notice: This equipment meets telecommunications network protective, operational and safety requirements as prescribed in the appropriate Terminal Equipment
Technical Requirements document(s). This is confirmed by marking the equipment
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Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an acceptable method of connection. The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations.
Repairs to certified equipment should be coordinated by a representative designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines and internal metallic water pipe system, if present, are connected together.
This precaution may be particularly important in rural areas. Caution: Users should not attempt to make such connections themselves, but should contact the appropriate electric inspection authority, or electrician, as appropriate
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