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A-Link RoadRunner 21 Full Manual

1-port adsl2/2+ router
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Summary of Contents for A-Link RoadRunner 21

  • Page 2 Released by A-Link / Avaks © 2005. Trademarks All products, company, brand names are trademarks or registered trademarks of their respective companies.

  • Page 3: Fcc Interference Statement

    Directive 89/336/EEC, Article 4a. Conformity is declared by the application of EN 55 022 Class B (CISPR 22). Compliance with the applicable regulations is dependent upon the use of shielded cables. It is the responsibility of the user to procure the appropriate cables. A-Link RoadRunner 21 Router...

  • Page 4: Table Of Contents

    1.3 Audience ............................6 1.4 Document Structure ........................7 1.5 System Requirement........................8 1.6 Packet Contents ..........................9 CHAPTER 2 KNOWING THE A-LINK ROADRUNNER 21 ROUTER......10 2.1 Front Panel:..........................10 2.2 Back Panel: ..........................11 2.3 Connection Mechanism: ......................12 CHAPTER 3 SETTING UP THE TCP/IP IN WINDOWS........... 14 3.1 Windows ME / 98 ........................15...
  • Page 5 4.5.5 STATUS - Product Information ....................85 4.5.6 STATUS - System Log ......................86 4.5.7 STATUS - Log Out ........................87 4.6 HELP ............................88 APPENDIX A: ROUTER TERMS..................89 APPENDIX B: FREQUENTLY ASKED QUESTIONS ............91 APPENDIX C: TROUBLESHOOTING GUIDE..............93 A-Link RoadRunner 21 Router...
  • Page 6 APPENDIX D: UPNP SETTING ON WINDOWS XP............96 APPENDIX E: GLOSSARY.....................100 A-Link RoadRunner 21 Router...

  • Page 7: Chapter 1 Introduction

    Chapter 1 Introduction Congratulations on your purchase of this outstanding A-Link RoadRunner 21 (RR21). This device is an 1 Port ADSL2/2+ Router that allows ADSL/ADSL2/ADSL2+ connectivity while providing LAN capabilities for residential, industries and SOHO environments. ADSL2/2+ is a transmission technology used to carry user data over a single twisted-pair line between the Central Office and the Customer Premises.

  • Page 8: Features

    1.1 Features The A-Link RoadRunner 21 Router provides the following features: Compliant to ANSI T1.413 Issue 2, ITU-T G.992.1, ITU-T G.992.2, ITU-G.992.3, ITU 992.4, ITU G.992.5 and READSL2 standards. Support all Digital Loop ITU G.992.3 annex I and J specifications. Fully compliant with Annex A/B/B (U-R2) ADSL specifications.
  • Page 9 Support NAT and NAPT (PAT) functionality with extensive ALG supported. Support IPSec, L2TP, PPTP Pass-Through. Support VPN Pass-Through. Support SNMP functionality. Support ICMP and IGMP. Support PAP and CHAP PPP Authentication. Bridge Mode Support Transparent Bridging ( IEEE 802.1D ). Support RFC 2684/1483 Bridged. A-Link RoadRunner 21 Router...
  • Page 10 Telnet, TFTP and FTP Management / Configuration. SNMP MIB-II. Restore factory default setting via Web or hardware reset button. WAN and LAN connection statistics. Configuration of static routes and routing table, NAT/NAPT and VCs. Support Password Authentication. A-Link RoadRunner 21 Router...

  • Page 11: Scope

    1.2 Scope This document provides the descriptions and usages for the A-Link RoadRunner 21 Router’s Web pages that are used in the configuration and setting process. Both basic and advanced descriptions and concepts are discussed. To help the reader understand more about these Web pages, some questions and answers (Q&A) are appended after the definition of each Web page along with the appendices at the...

  • Page 12: Audience

    1.3 Audience This document is prepared for use by those customers who purchase the A-Link RoadRunner 21 and using the provided or embedded firmware. It assumes the reader has a basic knowledge of ADSL/ADSL2/ADSL2+, networking. A-Link RoadRunner 21 Router...

  • Page 13: Document Structure

    Setting Up TCP/IP In Windows, provides Windows system Network’s configurations. Chapter 4: Device Administration, describes the pages found under the Admin menu. These pages allow the user to view, change, edit, update, and save the A-Link RoadRunner 21 Router’s configurations or settings. Appendix A: Router Terms, provides an introduction to basic Router Terms.

  • Page 14: System Requirement

    1.5 System Requirement Check and confirm that your system fills the following minimum requirements: Ethernet LAN card installed with TCP/IP protocol. Computer with Internet Browser. A-Link RoadRunner 21 Router...

  • Page 15: Packet Contents

    1.6 Packet Contents The A-Link RoadRunner 21 Router package contains the following items : One A-Link RoadRunner 21 Router One Power Adapter One RJ-11 ADSL Cable One CAT-5 Ethernet Cable Quick Setup Guide If any of the above items are damaged or missing, please contact your dealer immediately.

  • Page 16: Chapter 2 Knowing The A-Link Roadrunner 21 Router

    Chapter 2 Knowing The A-Link RoadRunner 21 Router 2.1 Front Panel: The A-Link RoadRunner 21 Router’s LEDs indicators display information about the device’s status. POWER Lights up when A-Link RoadRunner 21 Router is powered on. LINK/ACT Blinking when A-Link RoadRunner 21 Router is Sending/Receiving data.

  • Page 17: Back Panel

    2.2 Back Panel: The back panel of the A-Link RoadRunner 21 Router contains ADSL, Ethernet connector, Reset, Power Adapter connection. ADSL Port for connecting to the ADSL2/2+ Service Provider. ETHERNET One 10/100Mbps Ethernet Port for connecting to the network device RESET Restore the A-Link RoadRunner 21 Router to factory default setting.

  • Page 18: Connection Mechanism

    This section describes the hardware connection mechanism of A-Link RoadRunner 21 Router on your Local Area Network (LAN) connected to the Internet, how to configure your A-Link RoadRunner 21 Router for Internet access or how to manually configure your Internet connection.
  • Page 19 Connect the Ethernet cable (RJ-45) from your A-Link RoadRunner 21 Router to the Ethernet Adaptor in your computer. Connect the Power adaptor to the A-Link RoadRunner 21 Router and plug it into a Power outlet. The Power light will lit after turning on the 4 Ports ADSL2/2+ Router.

  • Page 20: Chapter 3 Setting Up The Tcp/Ip In Windows

    The following description assumes A-Link RoadRunner 21 Router been set to factory default. (If not, please hold the reset button down for 5~10 seconds). The default of the A-Link RoadRunner 21 Router’s LAN IP is 10.0.0.2.

  • Page 21: Windows Me / 98

    3.1 Windows ME / 98 A-Link RoadRunner 21 Router...

  • Page 22: Windows 2000

    3.2 Windows 2000 A-Link RoadRunner 21 Router...

  • Page 23: Windows Xp

    3.3 Windows XP A-Link RoadRunner 21 Router...

  • Page 24: Chapter 4 Device Administration

    Chapter 4 Device Administration For your convenience, an Administrative Utility has been programmed into A-Link RoadRunner 21 Router. This chapter will explain all the functions in this utility. All the A-Link RoadRunner 21 Router based administrative tasks are performed through this web utility.
  • Page 25 Upon entering the address into the web browser, the configurable HOME page with all the device configuration information will pop up as shown in Figure below. HOME: The Home section shows the current A-Link RoadRunner 21 Router’s functionality information under different links.
  • Page 26 Status Information: Shows the current device connection status. System Uptime: This field displays the time of the A-Link RoadRunner 21 Router has been in operation. DSL Status: Shows the A-Link RoadRunner 21 Router connection status. DSL Speed: This field displays the A-Link RoadRunner 21 Router Downstream/Upstream data rate in Kbps Ethernet: This field displays the link up or down for the Ethernet connection.

  • Page 27: Setup

    The SETUP configuration page allows you to create new connections, edit existing connections, and configure other basic settings in WAN and LAN mode. The SETUP Menu is divided into two sections: LAN Setup and WAN Setup. WAN Setup will be dealt with first. A-Link RoadRunner 21 Router...

  • Page 28: Setup - Wan Setup

    DSL Fixed Internet IP address Subnet Mask Default Gateway IP Address Primary DNS IP address. The next sections will describe in detail how to set up each of these connection types and save them as Connection Profiles. A-Link RoadRunner 21 Router...

  • Page 29: Setup - Wan Setup - New Connection

    Click New Connection to setup a new connection profile. Different connection profiles may be required if you connect to more than one ADSL service provider, or if you vary the connection type you use, or if this A-Link RoadRunner 21 Router is used in different locations or countries.
  • Page 30 To create your own Connection Profile, open New Connection under WAN Setup and follow instructions as steps 4.2.1.1.1 – 4.2.1.1.6 is mentioned. To complete and save the new Connection Profile, click the Apply button, and then go to TOOLS System Commands and click Save All. A-Link RoadRunner 21 Router...

  • Page 31: New Connection - Pppoe Connection Setup

    MTU: Maximum Transmission Unit. The largest size packet that can be sent by the modem. If the network stack of any packet is larger than the MTU value, then the packet will be fragmented before the transmission. This can be set from a minimum 128 to maximum 1500. A-Link RoadRunner 21 Router...
  • Page 32 Auto PVC: Click to enable Auto PVC features. Auto PVC allows detection of virtual channels via the built-in mechanism for communicating ATM Layer information from DSLAM to the A-Link RoadRunner 21 Router. Connect: Click Connect to attempt an ADSL connection under this connection profile.

  • Page 33: New Connection - Pppoa Connection Setup

    This can be set from a minimum 128 to maximum 1500. On Demand: If enable On Demand mode, the connection will be dropped if no activity is detected after the specified Idle Timeout value. A-Link RoadRunner 21 Router...
  • Page 34 Auto PVC: Click to enable Auto PVC features. Auto PVC allows detection of virtual channels via the built-in mechanism for communicating ATM Layer information from DSLAM to the A-Link RoadRunner 21 Router. Connect: Click Connect to attempt an ADSL connection under this connection profile.

  • Page 35: New Connection - Static Connection Setup

    Mode: For static configuration, you can also select a bridge connection or a routed connection. Since a Static IP address is typically used to host WEB servers, Bridged connection is usual however Routed is provided also. Check with ISP for confirmation. A-Link RoadRunner 21 Router...
  • Page 36 Auto PVC: Click to enable Auto PVC features. Auto PVC allows detection of virtual channels via the built-in mechanism for communicating ATM Layer information from DSLAM to the A-Link RoadRunner 21 Router. Apply: Click Apply to complete the connection profile’s setting.

  • Page 37: New Connection - Dhcp Connection Setup

    16-bit field in the ATM cell header. The purpose of the virtual channel is to identify where the cell should travel. The VCI field specifies this 16 bit numerical tag that determines the destination. A-Link RoadRunner 21 Router...
  • Page 38 Auto PVC: Click to enable Auto PVC features. Auto PVC allows detection of virtual channels via the built-in mechanism for communicating ATM Layer information from DSLAM to the A-Link RoadRunner 21 Router. Renew: Click the Renew button and the gateway will retrieve the IP Address, Subnet Mask, and Gateway Address.

  • Page 39: New Connection - Bridge Connection Setup

    Bridge: When Bridge mode is selected, the following screen wills pop-up. A Bridged connection basically disables the routing, firewall and NAT features of the A-Link RoadRunner 21 Router. In a Bridged connection, the A-Link RoadRunner 21 Router acts as a modem or hub, and just transmits packets between the WAN interface and the LAN interface.
  • Page 40 Auto PVC: Click to enable Auto PVC features. Auto PVC allows detection of virtual channels via the built-in mechanism for communicating ATM Layer information from DSLAM to the A-Link RoadRunner 21 Router. Apply: Click Apply to complete the connection profile’s setting.

  • Page 41: New Connection - Clip Connection Setup

    MBS: Maximum Burst Size. A term used in ATM (Asynchronous Transfer Mode) to specify the maximum number of cells which can be transmitted at the contracted PCR (Peak Cell Rate). Available only when VBR QoS is chosen. A-Link RoadRunner 21 Router...
  • Page 42 Auto PVC: Click to enable Auto PVC features. Auto PVC allows detection of virtual channels via the built-in mechanism for communicating ATM Layer information from DSLAM to the A-Link RoadRunner 21 Router. Apply: Click Apply to complete the connection profile’s setting.

  • Page 43: Setup - Wan Setup - Modem

    GLITE: G.Lite Mode. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 44: Setup - Lan Setup

    4.2.2 SETUP - LAN Setup The LAN Configuration page allows you to select or assign physical interfaces to LAN group and configure LAN IP Address and DHCP functionality. A-Link RoadRunner 21 Router...

  • Page 45: Lan Setup - Lan Configuration

    Setting. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 46: Lan Configuration - Unmanaged

    Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 47: Lan Configuration - Obtain An Ip Address Automatically

    Domain Name: Used in conjunction with the host name to uniquely identify the gateway. To access the A-Link RoadRunner 21 Router's web pages, the user can type 10.0.0.2 (The default IP Address) or type home.network in the Web browser’s address bar.

  • Page 48: Lan Configuration - Ppp Ip Address

    Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 49: Lan Configuration - Use The Following Static Ip Address

    Lease Time: Lease Time is the amount of time a network user will be allowed connection to the A-Link RoadRunner 21 Router with their current Dynamic IP address. The amount of time is in units of minutes; the default value is 3600 minutes (60 hours).
  • Page 50 Address setup of each computer on the LAN. IP Addresses will no longer be allocated automatically. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 51: Lan Setup - Firewall/Nat Services

    Firewall/NAT Services: Place a check to “Enable” the most basic Firewall and NAT Service to secure your system. The A-Link RoadRunner 21 Router is equipped with advanced Firewall features to provide security from malicious attack, hacking or eavesdropping across the Internet. It’s strongly recommend that you enable this feature for security purpose.

  • Page 52: Setup - Log Out

    4.2.4 SETUP – Log Out Log Out: Click to Log Out or click Cancel to continue. Log Out: Click Log Out to log out the administration mode. Cancel: Click Cancel to ignore all the changes. A-Link RoadRunner 21 Router...

  • Page 53: Advanced

    Bridge Filters: Select to setup Bridge Filters. Web Filters: Select to setup Web Filters. Multicast: Configure Multicast pass-through for different connections. Static Routing: Configure Static routes. Dynamic Routing: Configure RIP. Access Control: Configure access control list. A-Link RoadRunner 21 Router...

  • Page 54: Advanced - Upnp

    LAN Connection: Select the LAN Group fro the drop down manual. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 55: Advanced - Sntp

    Place a check at Enable SNTP to enable the SNTP functionality. Enable SNTP: Place a check to enable SNTP feature. SNTP Server: Enter the SNTP Server IP Address. This A-Link RoadRunner 21 Router support up to three SNTP Server IP Address; Primary, Secondary and Tertiary SNTP Server.

  • Page 56: Advanced - Snmp

    Community ReadOnly: This is the password to access public information. The Community ReadOnly can be up to 127 characters. Default is “Public”. Community ReadWrite: This is the password to access private information. The Community ReadWrite can be up to 127 characters. A-Link RoadRunner 21 Router...
  • Page 57 Trap Version: Select from Version 1 or Version v2c. Default is “Version 1”. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 58: Advanced - Ip Qos

    Trusted Mode: Click to enable Trusted Mode. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...
  • Page 59 TOS Marking: Select the TOS Marking from the list or place a check at the Normal Service. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 60: Advanced - Port Forwarding

    WAN Connection: Select the WAN Connection profile from the drop down manual. Allow Incoming Ping: Place a check to enable the incoming ping. Select LAN Group: Select the LAN Group from the drop down manual. LAN IP: Enter the Router’s LAN IP address. A-Link RoadRunner 21 Router...
  • Page 61 The following screen will pop-up after clicking the DMZ button. Place a check to enable the DMZ functionality. Select the WAN Connection, LAN Group and LAN IP Address from the drop down manual. Click Apply to save and activate your setting. A-Link RoadRunner 21 Router...
  • Page 62 Add button to move the application into the Applied Rules box. To remove a rule from the Applied Rules box, select the rule and click on the Remove button. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 63: Advanced - Ip Filters

    Block All Traffic: Click to enable blocking all traffic to specific LAN Clients. Block Outgoing Ping: Click to enable blocking all outgoing ping from LAN clients. NEW IP: Click NEW IP if you wish to manually add a LAN client so that you can apply rules to it. A-Link RoadRunner 21 Router...
  • Page 64 IP addresses to be included in the block. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 65: Advanced - Lan Clients

    LAN. If DHCP is used, all DHCP clients are automatically assigned and are designated as a LAN client. Enter the IP Address, Hostname and MAC Address as shown. Click Apply to activate your setting. A-Link RoadRunner 21 Router...

  • Page 66: Advanced - Lan Isolation

    4.3.8 ADVANCED - LAN Isolation LAN Isolation provide blocking traffic from one LAN to another LAN. Place a check at the selected rules and click Apply to activate your setting. A-Link RoadRunner 21 Router...

  • Page 67: Advanced - Bridge Filters

    Dest Port: Select the Destination Port from the drop down manual. Protocol: Select the Protocol type for the rule from the drop down manual. Place a check to make chances to the existing Bridge Filter Rule. Mode: Select t Allow or Deny for the rule. A-Link RoadRunner 21 Router...
  • Page 68 Rule to the list of existing rules. To delete MAC Filter Rules: click on the Delete tick box. Select All will select every rule. When the desired selections are made, effect deletion by clicking on Apply. A-Link RoadRunner 21 Router...

  • Page 69: Advanced - Web Filters

    Internet. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 70: Advanced - Multicast

    Enable IGMP Multicast: Click to enable IGMP Multicast and then select a connection listed. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 71: Advanced - Static Routing

    Delete: Place a check adjacent to the rule and click Apply to delete the rule from the list. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 72: Advanced - Dynamic Routing

    RIP information. Apply: Click Apply to complete the setting. Cancel: Click Cancel to ignore all the changes. To complete and save the setting, go to TOOLS System Commands and click Save All after clicking the Apply button. A-Link RoadRunner 21 Router...

  • Page 73: Advanced - Access Control

    4.3.14 ADVANCED – Access Control Use Access Control to configure advanced security functions by customizing the A-Link RoadRunner 21 Router. Access control enables the user to selectively direct such traffic, for example to a Web Host in the DMZ or to specific ports opened for such applications as Telnet, Web, TFTP or FTP.

  • Page 74: Advanced - Log Out

    4.3.15 ADVANCED - Log Out Log Out: Click to Log Out or click Cancel to continue. Log Out: Click Log Out to log out the administration mode. Cancel: Click Cancel to ignore all the changes. A-Link RoadRunner 21 Router...

  • Page 75: Tools

    4.4 TOOLS TOOLS: The TOOLS page allows you to save the configuration, restart the device, update the firmware/image code, setup user and remote log information and run ping/test of the A-Link RoadRunner 21 Router. System Commands: Save the current configuration, restart the A-Link RoadRunner 21 Router and restore to factory defaults setting.

  • Page 76: Tools - System Commands

    4.4.1 TOOLS - System Commands The System Commands page allows you to carry out basic system actions. Save All: Press this button in order to permanently save the current configuration of the A-Link RoadRunner 21 Router. Restart: Use this button to restart the A-Link RoadRunner 21 Router system.

  • Page 77: Tools - Remote Log

    A-Link RoadRunner 21 Router. Log Level: Select the Log Level from the drop down manual. The A-Link RoadRunner 21 Router provides the following Log Level : Panic, Alert, Critical, Error, Warning, Notice, Info and Debug.

  • Page 78: Tools - User Management

    Name: admin and the router Password: password to log in. NOTE: If you forget your user name and password, access to the A-Link RoadRunner 21 Router can only be gained by resetting the unit to factory defaults. Pressing the “Reset” button for 10 seconds, the LED indicators will turns OFF and ON again indicates that the Reset process is successfully done.

  • Page 79: Tools - Update Gateway

    Update Gateway: Firmware is the software that controls the A-Link RoadRunner 21 Router and also provides the user interface that is subject of this manual. The Firmware resides in the A-Link RoadRunner 21 Router internal Flash memory; currently loaded firmware version can be found under STATUS Product Information.
  • Page 80 Web browser by closing the window, clicking a link, or loading a new page. If the browser is interrupted, it may corrupt the upgrading process. When the upload is complete, your A-Link RoadRunner 21 Router will automatically reboot and restart. The upgrade process will typically take about 1~2 minutes.

  • Page 81: Tools - Ping Test

    4.4.5 TOOLS - Ping Test Ping Test: The Ping Test page provides an easy way to ping the A-Link RoadRunner 21 Router without invoking the command line interface. Enter IP Address to ping: Enter the IP Address to ping. Packet size: Enter the packet size in bytes.

  • Page 82: Tools - Modem Test

    Modem Test: The Modem Test page can be used to check whether your Modem is properly connected to the Network. This test may take a few seconds to complete. To perform the test, select your connection from the list and press the Test button. The value returned will either be Success or Fail. A-Link RoadRunner 21 Router...

  • Page 83: Tools - Log Out

    4.4.7 TOOLS - Log Out Log Out: Click to Log Out or click Cancel to continue. Log Out: Click Log Out to log out the administration mode. Cancel: Click Cancel to ignore all the changes. A-Link RoadRunner 21 Router...

  • Page 84: Status

    4.5 STATUS The Status Menu provides dynamically-updated information about your A-Link RoadRunner 21 Router’s Network Status, Connection Status, Modem Status and device performance. Network Statistics: View the Statistics of different interfaces - Ethernet/ADSL. Connection Status: View the Status of different connections.

  • Page 85: Status - Network Statistics

    4.5.1 STATUS - Network Statistics The Network Statistics show the Select Network Interface type to peruse statistics for each type of connection. Click Ethernet, DSL to view your Network Statistics. A-Link RoadRunner 21 Router...

  • Page 86: Status - Network Statistics - Ethernet

    Ethernet: Shows the Transmit/Receive Frames, Error Frames, Collision and CRC Errors information of the Ethernet Interface. The traffic counter will reset if the device is rebooted. Refresh: Click Refresh button to reload Web browser. Changes may have occurred, but the Web browser may be caching the old configuration. A-Link RoadRunner 21 Router...

  • Page 87: Status - Network Statistics - Dsl

    DSL: Shows the Total Bytes Receive/Transmit and Error Count Information of the ADSL (WAN) Interface. The traffic counter will reset if the device is rebooted. Refresh: Click Refresh button to reload Web browser. Changes may have occurred, but the Web browser may be caching the old configuration. A-Link RoadRunner 21 Router...

  • Page 88: Status - Connection Status

    4.5.2 STATUS – Connection Status The Connection Status page display status of the current active connection. Refresh: Click Refresh button to reload Web browser. Changes may have occurred, but the Web browser may be caching the old configuration. A-Link RoadRunner 21 Router...

  • Page 89: Status - Dhcp Clients

    The DHCP Clients page shows the MAC Address, IP Address, Host Name and Lease Time for each DHCP client connected to the A-Link RoadRunner 21 Router. Refresh: Click Refresh button to reload Web browser. Changes may have occurred, but the Web browser may be caching the old configuration.

  • Page 90: Status - Modem Status

    The Modem Status page shows the A-Link RoadRunner 21 physical layer or link status. The information displayed on this page is either inherent to the A-Link RoadRunner 21 Router or set by the ADSL Central Office (CO) DSLAM, neither of which cannot be changed by the user.

  • Page 91: Status - Product Information

    4.5.5 STATUS - Product Information The Product Information show the complete information and various parameters of the A-Link RoadRunner 21 Router including Software Versions. A-Link RoadRunner 21 Router...

  • Page 92: Status - System Log

    4.5.6 STATUS - System Log The System Log page shows the events triggered by the system. Click System Log to access the A-Link RoadRunner 21 Router’s System Log information. This page contains information that is dynamic and will refresh every 5~10 seconds..

  • Page 93: Status - Log Out

    4.5.7 STATUS - Log Out Log Out: Click to Log Out or click Cancel to continue. Log Out: Click Log Out to log out the administration mode. Cancel: Click Cancel to ignore all the changes. A-Link RoadRunner 21 Router...

  • Page 94: Help

    4.6 HELP The HELP section is used to display a Help system for this A-Link RoadRunner 21 Router. Click the HELP button for more information on configuration and settings for each section at anytime. A-Link RoadRunner 21 Router...

  • Page 95: Appendix A: Router Terms

    "fakes" the connection to your machine. You should use the DMZ when you want to run a server that others will access from the Internet. Internal programs and servers (like print servers, etc) should NOT be connected to the DMZ A-Link RoadRunner 21 Router...

  • Page 96: What Is A Gateway

    If your machine can reach all stations on the same subnet (usually a building or a sector within a building), but cannot communicate outside of this area, it is usually because of an incorrectly configured default gateway. A-Link RoadRunner 21 Router...

  • Page 97: Appendix B: Frequently Asked Questions

    Some of these questions are also found throughout the guide, in the sections to which they reference. How do I determine if a link between the Ethernet card (NIC) and the A-Link RoadRunner 21 Router have been established? (See network adapter settings in chapter 3) Ans.
  • Page 98 TCP/IP ports to be open. It is recommended that you set your computer with a static IP if you want to use DMZ features. What is the maximum IP addresses supported by this A-Link RoadRunner 21 Router? Ans. The A-Link RoadRunner 21 Router can support up to 253 IP addresses.

  • Page 99: Appendix C: Troubleshooting Guide

    Check the following: 1. Make sure that the A-Link RoadRunner 21 Router is plugged into a power socket. 2. Make sure that you are using the correct power supply for your A-Link RoadRunner 21 Router device. 3. Make sure the power on the A-Link RoadRunner 21 Router is turned on I changed the LAN IP Address in the LAN configuration page and my PC is no longer able to detect the A-Link RoadRunner 21 Router.
  • Page 100 Failed to configure the A-Link RoadRunner 21 Router through web browser ( By a client PC in LAN ) Ans. Check the following: 1. Check the hardware connection of the A-Link RoadRunner 21 Router’s LAN port. The LED will lit when a proper connection is made.
  • Page 101 Testing LAN path to your A-Link RoadRunner 21 Router. Ans. To verify whether the LAN path from your PC to your A-Link RoadRunner 21 Router is properly connected, you can “Ping” the A-Link RoadRunner 21 Router with the following procedures: 1.
  • Page 102 If you are running Microsoft Windows XP, it is recommended to add the UPnP component to your system. Proceed as follows: Click “Start” “Settings” then “Control Panel”. The “Control Panel” window appears. Click “Add or Remove Programs”. A-Link RoadRunner 21 Router...
  • Page 103 The “Add or Remove Programs” window appears. Click “Add/Remove Windows Components”. The “Windows Components Wizard” appears. Select “Networking Services” in the Components list and click “Details”. A-Link RoadRunner 21 Router...
  • Page 104 System may ask for original Windows XP CD-ROM. Insert the CD-ROM and direct Windows to the proper location of the CD-ROM. Restart your Windows system to activate your setting might be necessary. Click “OK” to restart your Windows system. A-Link RoadRunner 21 Router...
  • Page 105 A “Completing the Windows Components Wizard” will appears indicating the installation was successful. Click “Finish” to quit. A-Link RoadRunner 21 Router...
  • Page 106 CLP: Cell Loss Priority: ATM cells have two levels of priority, CLP0 and CLP1. CLP0 is of higher priority, and in times of high traffic congestion, CLP1 error cells may be discarded to preserve the Cell Loss Ratio of the CLP0 cells. A-Link RoadRunner 21 Router...
  • Page 107 FEC: Forward Error Correction: An error correction technique in which a data packet is processed through an algorithm that adds extra error correcting bits to the packet. If the transmitted message is received in error, these bits are used to correct the errored bits without retransmission. A-Link RoadRunner 21 Router...
  • Page 108 Host: In context of Internet Protocol, a host computer is one that has full two way access to other computers on the Internet. IAD: Integrated Access Device: A device that multiplexes and demultiplexes communications in the CPE onto and out of a single telephone line for transmission to the CO. A-Link RoadRunner 21 Router...
  • Page 109 NAPT: Network Address and Port Translation: An extension of NAT, NAPT maps many private internal addresses into one IP address. The outside network (WAN) can see this one IP address but it cannot see the individual device IP addresses translated by the NAPT. A-Link RoadRunner 21 Router...
  • Page 110 USB port. This enables the ADSL WAN access to be shared with multiple nodes on the LAN. Network Address Translation (NAT) is supported so that one WAN-side IP address can be shared among multiple LAN-side devices. DHCP is used to serve each LAN-side device and IP address. A-Link RoadRunner 21 Router...
  • Page 111 VC: Virtual Circuit: A virtual circuit is a circuit in a network that appears to be a physically discrete path, but is actually a managed collection of circuit resources that allocates specific circuits as needed to satisfy traffic requirements. A-Link RoadRunner 21 Router...
  • Page 112 VPI:Virtual Path Identifier: Virtual path for cell routing indicated by an eight bit field in the ATM cell header. WAN: Wide Area Network: A WAN covers a large geographical area. A WAN is consisted of LANs and the Internet is consisted of WANs. A-Link RoadRunner 21 Router...

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