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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. The downstream data rates can go up to 24 Mbps and the 

upstream data rates can go up to 1Mbps with length reach up to 22Kft for ADSL2/2+ connection. This 

asymmetric nature lends itself to applications such as Internet access and video delivery. 

 

With minimum setup, you can install and use the router within minutes. 

 

A-Link RoadRunner 21 Router

 

 

1

Summary of Contents for RoadRunner 21

Page 1: ......

Page 2: ... by any means mechanical magnetic electronic optical photocopying manual or otherwise without the prior written permission Released by A Link Avaks 2005 Trademarks All products company brand names are trademarks or registered trademarks of their respective companies They are used for identification purpose only Specifications are subject to be changed without prior notice A Link RoadRunner 21 Rout...

Page 3: ...e harmful interference to radio or television reception which is found by turning the equipment ON and OFF the user is encouraged to try to reduce the interference by one or more of the following measures y Adjust or relocate the receiving antenna y Increase the separation between the equipment or device y Consult a dealer or an experienced technician for assistance CE Declaration of Conformity Th...

Page 4: ...etup New Connection 23 4 2 1 1 1 New Connection PPPoE Connection Setup 25 4 2 1 1 2 New Connection PPPoA Connection Setup 27 4 2 1 1 3 New Connection Static Connection Setup 29 4 2 1 1 4 New Connection DHCP Connection Setup 31 4 2 1 1 5 New Connection Bridge Connection Setup 33 4 2 1 1 6 New Connection CLIP Connection Setup 35 4 2 1 2 SETUP WAN Setup Modem 37 4 2 2 SETUP LAN Setup 38 4 2 2 1 LAN S...

Page 5: ...4 3 15 ADVANCED Log Out 68 4 4 TOOLS 69 4 4 1 TOOLS System Commands 70 4 4 2 TOOLS Remote Log 71 4 4 3 TOOLS User Management 72 4 4 4 TOOLS Update Gateway 73 4 4 5 TOOLS Ping Test 75 4 4 6 TOOLS Modem Test 76 4 4 7 TOOLS Log Out 77 4 5 STATUS 78 4 5 1 STATUS Network Statistics 79 4 5 1 1 STATUS Network Statistics Ethernet 80 4 5 1 2 STATUS Network Statistics DSL 81 4 5 2 STATUS Connection Status 8...

Page 6: ...A Link RoadRunner 21 Router vi APPENDIX D UPNP SETTING ON WINDOWS XP 96 APPENDIX E GLOSSARY 100 ...

Page 7: ...s a transmission technology used to carry user data over a single twisted pair line between the Central Office and the Customer Premises The downstream data rates can go up to 24 Mbps and the upstream data rates can go up to 1Mbps with length reach up to 22Kft for ADSL2 2 connection This asymmetric nature lends itself to applications such as Internet access and video delivery With minimum setup yo...

Page 8: ...ty y Web based setup for installation and management y Built in 1 10 100 Mbps Fast Ethernet port for LAN connection y Compliant with IEEE 802 3 802 3u and auto negotiation y Support full duplex 802 3 flow control y Support IP Filtering MAC Filtering Web Filtering and IPSec Pass Through security functionality y Support Dying Gasp functionality y Flash memory for firmware upgrade y Hardware Reset bu...

Page 9: ...ical IP over ATM RFC2225 RFC1577 Router Mode y IP Routing RIPv1 and RIPv2 y Static Routing y DHCP Server Relay and Client y Support DNS Relay Server y Support DMZ functionality y Support NAT and NAPT PAT functionality with extensive ALG supported y Support IPSec L2TP PPTP Pass Through y Support VPN Pass Through y Support SNMP functionality y Support ICMP and IGMP y Support PAP and CHAP PPP Authent...

Page 10: ...x standards y Automatic MDI MDI X crossover for 100BASE TX and 10BASE T ports y Auto negotiation and speed auto sensing support Web Based Management y Web based Configuration Management y Remote Local Management Configuration y Firmware upgrade and Reset to default via Web management y Telnet TFTP and FTP Management Configuration y SNMP MIB II y Restore factory default setting via Web or hardware ...

Page 11: ...uter 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 end of the guide ...

Page 12: ...er 6 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 ...

Page 13: ... 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 Appendix B Frequently Asked Questions is a compilation of useful questions regarding the A Link RoadRunner 21 Router Appendix C Troubleshooting Guide is a compilation of questions and answers relating to common problems dealing with W...

Page 14: ...ink RoadRunner 21 Router 8 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 ...

Page 15: ...k 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: ...tus 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 Lights up when a successful ADSL2 2 connection is established ADSL Blinking when A Link RoadRunner 21 Router is sending receiving data PPP Lights up when a PPP connection is established A Link RoadRunner 21 Router 10 ...

Page 17: ...on Reboot Restore the 1 Port ADSL2 2 Router to factory defaults Resetting Factory Defaults The reboot and restore to factory defaults feature will set the device to its factory default configuration by resetting the A Link RoadRunner 21 Router To Reset the A Link RoadRunner 21 Router Ensure that the device is powered on Press the Reset button for 5 10 seconds and release The LED indicators will tu...

Page 18: ...ink RoadRunner 21 Router 1 A computer notebook which must have an installed Ethernet Adaptor and an Ethernet Cable 2 ADSL ADSL2 ADSL2 service account and configuration information provided by your Internet Service Provider ISP You will need one or more of the following configuration parameters to connect your A Link RoadRunner 21 Router to the Internet a VPI VCI parameters b Multiplexing Method or...

Page 19: ...5 from your A Link RoadRunner 21 Router to the Ethernet Adaptor in your computer 4 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 Auto and self diagnostic process will turn the LED indicators ON and OFF during the process 5 Turn on your computer 6 Refer to the next section to setup or...

Page 20: ... Interface Card NIC is already installed in your PC then TCP IP is probably already installed as well 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 Follow the procedures below to set your computer notebook with correct TCP IP sett...

Page 21: ...A Link RoadRunner 21 Router 15 3 1 Windows ME 98 ...

Page 22: ...3 2 Windows 2000 A Link RoadRunner 21 Router 16 ...

Page 23: ...3 3 Windows XP A Link RoadRunner 21 Router 17 ...

Page 24: ... the A Link RoadRunner 21 Router 1 Launch the Web browser Internet Explorer Netscape etc 2 Enter the A Link RoadRunner 21 Router default IP address Default Gateway http 10 0 0 2 in the address bar then press Enter to Log in 3 Entry of the username and password will be prompted Enter the default login Username and Password The default login Username of the administrator is admin and the default log...

Page 25: ... connections edit existing connections and configure other basic settings ADVANCED The Advanced section lets you configure advanced features like RIP Firewall NAT UPnP IGMP Bridge Filters and LAN clients TOOLS The Tools section lets you carry out system commands and perform simple system tests STATUS The Status section displays status log and statistical information for all connections and interfa...

Page 26: ...e 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 Software Version This field displays the A Link RoadRunner 21 Router s firmware version Log Out Click to Log out the Administration configuration page Refresh Click to refresh...

Page 27: ... 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 ...

Page 28: ... the 1 Port ADSL2 2 Router to match these connection types may require entry of some or all of the following values ISP Account Username and Password VPI VCI Setting Encapsulation Type Multiplexing Either LLC or VC check with your ISP for details ADSL Handshaking Mode Default setting is MMODE Network Settings for Bridged Mode operation For Bridged Mode connections RFC1483 the ISP will need to prov...

Page 29: ...ountries This A Link RoadRunner 21 Router can be configured to maintain up to 8 Connection Profiles In defaults router have all 8 Connection Profiles configured These profiles are only for bridged connection using DHCP server when operator has some of these VPI VCI parameters in use 0 100 0 33 0 32 0 50 14 24 8 35 5 25 or 0 40 If you want to use other connection method please follow instructions b...

Page 30: ...uired and only one connection profile will be used at one time 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 Æ System Commands and click Save All A Link RoadRunner 21 Router 24 ...

Page 31: ...our ISP for details Idle Timeout The Idle Timeout allows you to set the specific period of time in seconds to disconnect from the ISP if the link has no activity detected Keep Alive When the On Demand option is not enabled this value specifies the time to wait without being connected to your provider before terminating the connection To ensure that the link is always active enter 0 in this field A...

Page 32: ...t numerical tag that determines the destination QoS Select the Quality of Service QoS type If in doubt leave as default PCR Peak Cell Rate This is an ATM Asynchronous Transfer Mode term to describe the rate cells per second that the source device may never exceed Available only when VBR QoS is chosen SCR Security Cell Rate This is an ATM Asynchronous Transfer Mode term to describe the security cel...

Page 33: ...e specifies the time to wait without being connected to your provider before terminating the connection To ensure that the link is always active enter 0 in this field Authentication The different types of available authentications are z Auto When auto is selected PAP mode will run by default However if PAP fails then will run as the secondary protocol This is the default setting z PAP Password Aut...

Page 34: ...Available only when VBR QoS is chosen SCR Security Cell Rate This is an ATM Asynchronous Transfer Mode term to describe the security cell transmitted per second 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 CDVT Cell Delay Variation Time ...

Page 35: ...ection Type Static Sharing Select Disable Enable or VLAN sharing Default setting is Disable Options Click to enable NAT and or Firewall functionality Default is Enable VLAN ID If VLAN is selected manually enter the VLAN ID and select Priority Bits from the drop down manual Static Settings Encapsulation Select the encapsulation type LLC or VC according to the information provided by the ISP IP Addr...

Page 36: ...QoS is chosen SCR Security Cell Rate This is an ATM Asynchronous Transfer Mode term to describe the security cell transmitted per second 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 CDVT Cell Delay Variation Time The Cell Delay Variation...

Page 37: ...Enable VLAN ID If VLAN is selected manually enter the VLAN ID and select Priority Bits from the drop down manual DHCP Settings Encapsulation Select the encapsulation type LLC or VC according to the information provided by the ISP Default Gateway Click to enable the Default Gateway PVC Settings PVC This field allows you to choose the specific PVC for the PPP session VPI Virtual Path Identifier is a...

Page 38: ...ion is a term used in ATM Asynchronous Transfer Mode to describe the time difference that is acceptable between cells being presented at the receiving host Available only when VBR QoS is chosen 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 Rene...

Page 39: ... down manual Bridge Settings Encapsulation Select the encapsulation type LLC or VC according to the information provided by the ISP Select LAN Up to three LAN Group can be specified Select your LAN Group from the drop down manual PVC Settings PVC This field allows you to choose the specific PVC for the PPP session VPI Virtual Path Identifier is a virtual path used for cell routing that is identifi...

Page 40: ...ynchronous Transfer Mode to describe the time difference that is acceptable between cells being presented at the receiving host Available only when VBR QoS is chosen 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 th...

Page 41: ... cell routing that is identified by an eight bit field in the ATM cell header The VPI field specifies this eight bit identifier for routing VCI A Virtual Channel Identifier is a virtual channel that is identified by a unique numerical tag that is defined by a 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 t...

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 Delete Click Delete to delete a connection Cancel Click Cancel to ignore all the changes To complete and save the connection profile go...

Page 43: ...e protocols Check your ISP for the connection type MMODE Multiple Mode Default T1413 T1 413 Mode GDMT G dmt Mode 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 Æ System Commands and click Save All after clicking the Apply button ...

Page 44: ...A Link RoadRunner 21 Router 38 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 ...

Page 45: ...ces under the same LAN Group Ethernet and USB will have the ability to communicate with each other Different LAN Group is prohibited to communicate with one another Click Configure for detail LAN Group setting Refer to next section for detail LAN Configuration or Setting Apply Click Apply to complete the setting Cancel Click Cancel to ignore all the changes To complete and save the setting go to T...

Page 46: ...xcept the Server and Relay Off Unchangeable radio button will turn on Click the Services items will guides you to detail setting Refer to ADVANCED section for setting configuration details Apply Click Apply to complete the setting Cancel Click Cancel to ignore all the changes To complete and save the setting go to TOOLS Æ System Commands and click Save All after clicking the Apply button ...

Page 47: ... to ADVANCED section for setting configuration details Host Name Can be any alpha numeric expression that does not contain spaces 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 Apply Click Apply to complet...

Page 48: ...hidden except the Server and Relay Off Unchangeable radio button will turn on Click the Services items will guides you to detail setting Refer to ADVANCED section for setting configuration details Apply Click Apply to complete the setting Cancel Click Cancel to ignore all the changes To complete and save the setting go to TOOLS Æ System Commands and click Save All after clicking the Apply button ...

Page 49: ...uely identify the gateway Enable DHCP Server Click the radio button to enable the DHCP Server Start IP The Start IP Address indicates the beginning of the range at which the DHCP server starts issuing IP addresses This value must be greater than the Routers IP address value If the Routers IP address is 10 0 0 2 The default than the starting IP address must be 10 0 0 3 or higher End IP The End IP A...

Page 50: ...le Caution If the Server and Relay Off function is selected careful attention must be paid to the IP 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 Æ System Commands and click Save All after clicking the Apply button ...

Page 51: ...ith 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 The default setting is Disable Apply Click Apply to complete the setting Cancel Click Cancel to ignore all the changes To complete and save the setting go to TOOLS Æ System Commands and click Save All after c...

Page 52: ...Link RoadRunner 21 Router 46 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 ...

Page 53: ...uality of Service for different connections Port Forwarding Configure Firewall and NAT pass through to your hosted applications IP Filters Configure Firewall to block your LAN PCs from accessing the Internet LAN Clients Configure LAN Clients LAN Isolation Disable traffic between LANs Bridge Filters Select to setup Bridge Filters Web Filters Select to setup Web Filters Multicast Configure Multicast...

Page 54: ... Enable UPNP This will reveal the Enable UPnP screen UPnP can only be enabled on a saved Connection Profile Refer to SETUP Æ WAN Setup for Information on creating Connection Profiles Enable UPNP Place a check to enable the UPnP feature WAN Connection Select the required WAN Connection Profile by clicking on the drop down button adjacent to the Connection Profile name LAN Connection Select the LAN ...

Page 55: ... Secondary and Tertiary SNTP Server Timeout A time limit for an operation Polling Interval The length of time In Minutes the A Link RoadRunner 21 Router retrieves the time from the SNTP Server Retry Count Enter the Retry Count to access the SNTP Server Time Zone This specifies the time zone Geographical location Day Light Place a check at the Day Light to activate Daylight Savings Time Apply Click...

Page 56: ...hich they are identified by an object identifier OID SNMP Traps Click to enable the SNMP Traps SNMP traps are used to notify network managers of significant events that have taken place in the network These traps are sent to the SNMP NMS NMS Server located at Trap IP through the specified Ports SNMP System Identification The Name Contact Location and Vendor OID are provided to identify the SNMP NM...

Page 57: ...is the password to access and view SNMP traps The Trap Community can be up to 127 characters Default is Trap community 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 Æ System Commands and click Save All after clicking the Apply button ...

Page 58: ...nnectivity Leave it at its default setting if you do not know the QoS Choose a connection Click to select a LAN group from the drop down manual Low priority weight Click to select the low priority weight from the drop down manual The default is 40 Medium priority weight Click to select the low priority weight from the drop down manual The default is 60 Enable IPQoS Click to enable IP QoS features ...

Page 59: ...r the Destination IP Start Port which PPP session can be activated Destination End Port Enter the Destination IP End Port which PPP session can be activated Protocol Select the protocol from the drop down manual The protocols supported are TCP UDP ICMP and ANY Physical Port Select the QoS Physical Port from the drop down manual Traffic Priority Click and select the QoS session Traffic Priority fro...

Page 60: ... to make LAN resources available to Internet clients who you may want to do to play network games or host network applications Thus Port Forwarding is necessary to run certain games chat clients video conferencing and other kinds of application You might also need to configure port forwarding if you intend to host a web server or mail server that is to be visible outside your LAN WAN Connection Se...

Page 61: ...Z Demilitarized Zone is added between a protected network and an external network in order to provide an additional layer of security When there is a suspected packet coming from WAN the firewall will forward this packet to the DMZ host 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...

Page 62: ...ternal port that the data will be directed to on the LAN Client When dealing with port ranges the Internal Port will be the same as the first port in the range When you simply want to forward a single port from outside to inside then all three fields Port Start Port End and Port Map will have the same port number Available pre defined rules are categorized according to the application type Click t...

Page 63: ... control the flow of data across the router Select LAN Group Select LAN Group from the drop down manual LAN IP Enter the router s LAN IP Address 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 ...

Page 64: ...Mask Port or Port range Protocol Customer IP filter are different from Port forwards or Block All traffic because they allow greater scopes of 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 Æ System Commands and click Save All after clicking the Apply button A Link RoadRun...

Page 65: ...of applying specific Port forwarding Access Control and QoS rules to individual computers on the 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 ...

Page 66: ... Link RoadRunner 21 Router 60 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 ...

Page 67: ...ng to the list of Bridge Filter Rules that has been created If the box is de selected Bridge Filtering will not be enabled even if Bridge Filter Rules have been created Enable Bridge Filter Management Interface Place a check to enable the Bridge Filter Management Interface There are two interface provided for the setting Ethernet and USB Interface Edit To edit an existing Bridge Filter Rule click ...

Page 68: ...ct the protocol type from the drop down manual Protocol provides the choice of protocol type for the rule y Mode provides the choice of Allow or Deny for the rule y When all selections are made click on Add to add the rule to the list of rules A maximum of 20 MAC Filter Rules can be defined and saved Edit or Delete MAC Filter Rules To edit an existing MAC Filter Rule click the radio button adjacen...

Page 69: ...website content can or can not be accessed Click the radio button to Enable or Disable the filter rules to ensure an accurate representation of the world of information reachable on the 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 Æ System Commands and click Save All after clicking the Apply button ...

Page 70: ...ivers on a network It is used when data needs to be sent from one to many devices 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 Æ System Commands and click Save All after clicking the Apply button ...

Page 71: ...ow the following steps to create a Static Route Choose a Connection Presents list of saved Connections Select appropriate connection from the list The New Destination IP Enter the address of the remote LAN network or host to which you want to assign a static route Mask The Subnet Mask identifies which portion of an IP address is the network portion and which portion is the host portion The subnet ...

Page 72: ...Compatible is selected routing data will be sent in RIP v2 format using Multicasting RIPv1 RIP Version 1 One of the first dynamic routing protocols introduced used in the Internet RIPv1 was developed to distribute network reach ability information for what is now considered simple topologies RIPv2 RIP Version 2 Shares the same basic concepts and algorithms as RIPv1 with added features such as subn...

Page 73: ...tion enables Telnet Web FTP and SSH access from LAN to WAN If Access Control is enabled and an enable WAN checkbox is selected then the WAN access to the matching service is enabled IP Access List This enables you to specify which LAN WAN IP addresses are allowed access to the A Link RoadRunner 21 Router configuration services specified Delete Delete the IP Access List from the drop down manual Ad...

Page 74: ...nk RoadRunner 21 Router 68 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 ...

Page 75: ...adRunner 21 Router System Commands Save the current configuration restart the A Link RoadRunner 21 Router and restore to factory defaults setting Remote Log Setup Remote Log Information User Management Configure user name and password Update Gateway Upgrade the A Link RoadRunner 21 Router firmware Ping Test Run a ping test Modem Test Check whether the modem with a specific connection is properly c...

Page 76: ...Runner 21 Router Restart Use this button to restart the A Link RoadRunner 21 Router system NOTE You will be redirected to the A Link RoadRunner 21 Router Homepage after the unit has successfully rebooted Restore Defaults Use this button to restore factory default configurations NOTE You will be redirected to the A Link RoadRunner 21 Router Homepage after the unit has successfully been restored to ...

Page 77: ...Runner 21 Router provides the following Log Level Panic Alert Critical Error Warning Notice Info and Debug Add an IP Address Manually enter the logging destination IP Address then click Add button to add your entry Delete Delete the logging destination IP Address from the drop down list Apply Click Apply to complete the setting Cancel Click Cancel to ignore all the changes To complete and save the...

Page 78: ...uter 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 User Name Enter the user specify User Name Password Enter the user specify ...

Page 79: ...te you may need to restore your configuration settings To access Firmware Updates click on TOOLS Æ Update Gateway The following window screen will pop up Select a File Click on the Browse button to locate the Firmware or update image file from your computer s hard drive Update Gateway Click the Update Gateway button to upgrade your A Link RoadRunner 21 Router The system will be restarted automatic...

Page 80: ...pdate Gateway Click the Update Gateway button to upgrade your configuration file Restart Gateway Click Restart Gateway after the upgrade process to activate your setting Note When uploading Firmware Configuration File to the A Link RoadRunner 21 Router it is important not to interrupt the Web browser by closing the window clicking a link or loading a new page If the browser is interrupted it may c...

Page 81: ... 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 Number of echo requests Enter the number of echo request Test Click Test to start the ping test The result will be shown in the window underneath ...

Page 82: ...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 ...

Page 83: ...Link RoadRunner 21 Router 77 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 ...

Page 84: ...us and device performance Network Statistics View the Statistics of different interfaces Ethernet ADSL Connection Status View the Status of different connections DHCP Clients View the list of DHCP clients Modem Status View the Status and Statistics of your broadband DSL connection Product Information View the Product Information and Software Versions System Log View the Log messages ...

Page 85: ...Runner 21 Router 79 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 ...

Page 86: ...e 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 ...

Page 87: ...s 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 ...

Page 88: ... 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 ...

Page 89: ...lients 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: ... 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 Refresh Click Refresh button to reload Web browser Changes may have occurred but the Web browser may be caching the old configuration ...

Page 91: ... Link RoadRunner 21 Router 85 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 ...

Page 92: ...e 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 Refresh Click Refresh button to reload Web browser Changes may have occurred but the Web browser may be caching the old configuration ...

Page 93: ...ink RoadRunner 21 Router 87 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 ...

Page 94: ...nner 21 Router 88 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 ...

Page 95: ...ps track of all these connections and makes sure that the correct information gets to the correct local machine Occasionally there are certain programs that don t work well through NAT Some games and some specialty applications have a bit of trouble The router contains special functionality to handle the vast majority of these troublesome programs and games NAT does cause problems when you want to...

Page 96: ... wishes to contact another device on the same segment it transmits to that station directly using a simple discovery technique If the target station does not exist on the same segment as the source station then the source actually has no idea how to get to the target One of the configuration parameters transmitted to each network device is its default gateway This address is configured by the netw...

Page 97: ...ous question a ping test would determine whether or not a connection is established However this time use a URL instead of and IP Address such as www a link com Alternatively if the ADSL LED is solidly on then the ADSL link is established 3 How can I find verify my A Link RoadRunner 21 Router and or computer Ethernet MAC Address Ans Win98 ME winipcfg Win2000 XP ipconfig all RR21 HOME page 4 What i...

Page 98: ...o the Internet Some applications require multiple 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 8 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: ...n the LAN configuration page and my PC is no longer able to detect the A Link RoadRunner 21 Router Ans After changing the LAN IP Address of the A Link RoadRunner 21 Router proceed to the following step before a PC is able to recognize the A Link RoadRunner 21 Router 1 Click Start Æ Run 2 In the open field enter cmd then click OK 3 In the command prompt type ipconfig release then press Enter 4 Type...

Page 100: ... Router to factory default by pressing the Reset button for 10 seconds If you are still getting prompted for a password when saving settings 1 Access the Router s web interface by going to http 10 0 0 2 2 Enter the default username and password then click Enter to log in 3 Click on TOOLS then click User Management 4 Enter a new Password and new Username in the Username and Password field and enter...

Page 101: ...nd click OK 3 If the path is working you should see the message in the following format Reply from 10 0 0 2 bytes 32 time 10ms TTL 60 4 If the path is not working you should see the following message Request timed out If the path is not functioning correctly 1 Make sure the LAN port LED indicator is on 2 Check whether you are using the correct LAN cable 3 Check your Ethernet Adaptor installation a...

Page 102: ...If you are running Microsoft Windows XP it is recommended to add the UPnP component to your system Proceed as follows 1 Click Start Æ Settings then Control Panel 2 The Control Panel window appears Click Add or Remove Programs A Link RoadRunner 21 Router 96 ...

Page 103: ...d or Remove Programs window appears Click Add Remove Windows Components 4 The Windows Components Wizard appears Select Networking Services in the Components list and click Details A Link RoadRunner 21 Router 97 ...

Page 104: ...nd follow the instructions in the Windows Components Wizard Note 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 98 ...

Page 105: ...7 A Completing the Windows Components Wizard will appears indicating the installation was successful Click Finish to quit A Link RoadRunner 21 Router 99 ...

Page 106: ...e total number of bits transmitted Bridge A device that connects two networks and decides which network the data should go to Bridge Mode Bridge Mode is used when there is one PC connected to the LAN side Ethernet or USB port IEEE 802 1D method of transport bridging is used to bridge between the WAN ADSL side and the LAN Ethernet or USB side i e to store and forward CBR Constant Bit Rate A constan...

Page 107: ...t servers etc DMZ Demilitarized Zone A computer Host or network that acts as a neutral zone between a private network and a public network A DMZ prevents users outside of the private network from getting direct access to a server or any computer within the private network The outside user sends requests to the DMZ and the DMZ initiates sessions in the public network based on these requests A DMZ c...

Page 108: ...idirectional G dmt Formally G 992 1 G dmt is a form of ADSL that uses Discrete MultiTone DMT technology G dmt incorporates a splitter in its design G lite Formally G 992 2 G lite is a standard way to install ADSL service G lite enables connections speeds up to 1 5 Mbps downstream and 128 kbps upstream G lite does not need a splitter at the user end because splitting is preformed at the remote end ...

Page 109: ...t can be received by the modem During the PPP negotiation the peer of the PPP connection will indicate its MRU and will accept any value up to that size The actual MTU of the PPP connection will be set to the smaller of the two MTU and the peer s MRU In the normal negotiation the peer will accept this MRU and will not send packet with information field larger than this value MSS Maximum Segment Si...

Page 110: ...t A software defined logical connection in a network A Virtual Circuit that is permanently available to the user RIP Routing Information Protocol A management protocol that ensures that all hosts in a particular network share the same information about routing paths In a RIP a host computer will send its entire routing table to another host computer every X seconds where X is the supply interval T...

Page 111: ... method of FEC Forward Error Correction When enabled it makes for better error checking at the cost of slower packet transmission Setting Trellis Code to Disabled will cause increased packet transmission with decreased error correction TTL Time To Live A value in an IP packet that indicates whether or not the packet has been propagating through the network too long and should be discarded UBR Unsp...

Page 112: ... Based Multiplexing the interconnect protocol of the carried network is identified implicitly by the VC Virtual Circuit connecting the two ATM stations each protocol must be carried over a separate VC 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 LAN...

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