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Section 4 - Troubleshooting 

 

D-Link DSL-321B User Manual 

 

 

 

 

 

 

 

 

 

 

 

 

            

59 

Troubleshooting 

This chapter provides solutions to problems that can occur during the installation and operation of the DSL-321B. Read the following descriptions if 
you are having problems. (The examples below are illustrated in Windows® XP. If you have a different operating system, the screenshots on your 
computer will look similar to the following examples.)   
 

1.  Why can’t I access the web-based configuration utility? 
 

When entering the IP address of the D-Link router (192.168.1.1 for example), you are not connecting to a website on the Internet or have to be 
connected to the Internet. The device has the utility built-in to a ROM chip in the device itself.   
Your computer must be on the same IP subnet to connect to the web-based utility. 
 

•

  Make sure you have an updated Java-enabled web browser. We recommend the following: 

•

  Internet Explorer 6.0 or higher 

•

  Firefox 1.5 or higher 

 

•

  Verify physical connectivity by checking for solid link lights on the device. If you do not get a solid link light, try using a different cable if possible. 

If the computer is turned off, the link light may not be on. 

 

•

  Disable any internet security software running on the computer. Software firewalls such as Zone Alarm, Black Ice, Sygate, Norton Personal 

Firewall, and Windows® XP firewall may block access to the configuration pages. Check the help files included with your firewall software for 
more information on disabling or configuring it.   

Содержание DSL-321B

Страница 1: ...Table of Content D Link DSL 321B User Manual 1 ...

Страница 2: ...ONS 17 CONFIGURATION 19 WEB BASED CONFIGURATION UTILITY 19 SETUP 20 WIZARD 20 ADSL SETUP 23 ADVANCED 33 PORT FORWARDING 33 QOS SETUP 35 OUTBOUND FILTER 37 INBOUND FILTER 38 DNS SETUP 39 VLAN 41 FIREWALL DMZ 43 ADVANCED ADSL 44 ADVANCED LAN 45 REMOTE MANAGEMENT 46 TR 069 48 MAINTENANCE 49 PASSWORD 49 SAVE RESTORE SETTINGS 50 FIRMWARE UPDATE 51 SYSTEM LOG 53 STATUS 54 DEVICE INFO 54 CONNECTED CLIENT...

Страница 3: ...r Adapter One twisted pair telephone cable used for ADSL connection One straight through Ethernet cable one TAE adapter Not needed outside Germany Note Using a power supply with a different voltage rating than the one included with the DSL 321B will cause damage and void the warranty for this product ...

Страница 4: ...rements ADSL Internet service Computer with 200MHz Processor 64MB Memory CD ROM Drive Ethernet Adapter with TCP IP Protocol Installed Windows win7 vista XP 2000 MAC OS Internet Explorer v6 or later FireFox v1 5 D Link Click s Connect Utility Computer with Windows 2000 XP ...

Страница 5: ...ROTECTION QoS Security features prevents unauthorized access to the home and office network be it from the LAN devices or from the Internet The router provides firewall security using Stateful Packet Inspection SPI and hacker attack logging for Denial of Service DoS attack protection SPI inspects the contents of all incoming packet headers before deciding what packets are allowed to pass through R...

Страница 6: ...private network behind one global and visible IP address NAT address mapping can also be used to link two IP domains via a LAN to LAN connection Precise ATM Traffic Shaping Traffic shaping is a method of controlling the flow rate of ATM data cells This function helps to establish the Quality of Service for ATM data transfer High Performance Very high rates of data transfer are possible with the Ro...

Страница 7: ...ource Power button Push in to power on the Router Push again to power off the Router Ethernet ports Use the Ethernet ports to connect the Router to your Ethernet LAN or Ethernet devices ADSL port Use the ADSL cable to connect to the your telephone line RJ 11 port Reset button To manually reset depress button with the power on for between ten and fifteen seconds ...

Страница 8: ...n This will light after the ADSL negotiation process has been settled A blinking green light indicates activity on the WAN ADSL interface LAN A solid green light indicates a valid link on startup These lights blink when there is activity currently passing through the Ethernet port Internet Steady green light indicates a successful Internet connection Steady red light indicates failed Internet conn...

Страница 9: ...f the router is very important Do not place the router in an enclosed area such as a closet cabinet or in the attic or garage Before you Begin Please read and make sure you understand all the prerequisites for proper installation of your new Router Have all the necessary information and equipment on hand before beginning the installation ...

Страница 10: ... uses an HTML based web interface for setup and management The web configuration manager may be accessed using any operating system capable of running web browser software including Windows 2000 Windows XP Windows Vista Windows 7 and MAC OS Web Browser Any common web browser can be used to configure the Router using the web configuration management software The program is designed to work best wit...

Страница 11: ...h and maintain the Internet connection can be stored in the Router In this case it is not necessary to install software on your computer It may however be necessary to change some settings in the device including account information used to identify and verify the connection All connections to the Internet require a unique global IP address For bridged connections the global IP settings must resid...

Страница 12: ...oE LLC PPPoE VC Mux PPPoA LLC or PPPoA VC Mux Bridge Mode 1483 Bridged IP LLC or 1483 Bridged IP VC Mux MER Static IP Address IPoA 1483 Bridged IP LLC 1483 Bridged IP VC Mux 1483 Routed IP LLC or 1483 Routed IP VC Mux MER Dynamic IP Address 1483 Bridged IP LLC or 1483 Bridged IP VC Mux Modulation Type ADSL uses various standardized modulation techniques to transmit data over the allotted signal fr...

Страница 13: ...r ADSL service provider for the additional connections This setting can be changed in the WAN Settings window of the web management interface VCI Most users will not be required to change this setting The Virtual Channel Identifier VCI used in conjunction with the VPI to identify the data path between your ADSL service provider s network and your computer If you are setting up the Router for multi...

Страница 14: ...ent interface The default Password is admin The user may change this LAN IP addresses for the DSL 321B This is the IP address you will enter into the Address field of your web browser to access the Router s configuration graphical user interface GUI using a web browser The default IP address is 192 168 1 1 This may be changed to suit any IP address scheme the user desires This address will be the ...

Страница 15: ...server This means that it can assign an IP address subnet mask and a default gateway address to computers on your LAN The default range of IP addresses the DSL 321B will assign are from 192 168 1 2 to 192 168 1 33 Your computer or computers needs to be configured to Obtain an IP address automatically that is they need to be configured as DHCP clients It is recommended that your collect and record ...

Страница 16: ...mon sense safety procedures The Router can be placed on a shelf desktop or other stable platform If possible you should be able to see the LED indicators on the front if you need to view them for troubleshooting Power on Router The Router must be used with the power adapter included with the device 1 Insert the AC Power Adapter cord into the power receptacle located on the rear panel of the Router...

Страница 17: ...provider The ADSL connection represents the WAN interface the connection to the Internet It is the physical link to the service provider s network backbone and ultimately to the Internet Connect Router to Ethernet The Router may be connected to a single computer or Ethernet device through the 10 100BASE TX Ethernet port on the rear panel Any connection to an Ethernet concentrating device such as a...

Страница 18: ...t through cable as shown in this diagram If you wish to reserve the uplink port on the switch or hub for another device connect to any on the other MDI X ports 1x 2x etc with a crossed cable Computer to Router Connection You can connect the Router directly to a 10 100BASE TX Ethernet adapter card NIC installed on a PC using the Ethernet cable provided as shown in this diagram ...

Страница 19: ...th the Router through its management interface which is HTML based and can be accessed using a web browser The easiest way to make sure your computer has the correct IP settings is to configure it to use the DHCP server in the Router To access the configuration utility open a web browser such as Internet Explorer and enter the IP address of the router 192 168 1 1 Type admin for the User Name and a...

Страница 20: ... The following chapter describes the various windows used to configure and monitor the Router including how to change IP settings and DHCP server setup WIZARD ADSL SETUP Click on the Setup Wizard button to launch the Setup Wizard WELCOME TO D LINK SETUP WIZARD There are four steps to configuring your router Click on the Next button to continue ...

Страница 21: ...assword Of course you can click on the Skip to ignore the step STEP 2 SELECT INTERNET CONNECTION TYPE Please select your Country and ISP The VPI and VCI information Will display Automatically Of course you can modify the information If you can not find the country and ISP in the list below you can select Others and then input the VPI and VCI and Connection Type Click on the Next button to go to th...

Страница 22: ...2 STEP 2 Setup Wizard For PPPoE PPPoA connection Type in the Username and Password and PPPoE Service Name if required by your ISP Click on the Next button to go to the next Setup Wizard window STEP 3 FINISH Push the FINISH button to use the configuration ...

Страница 23: ...in this page ADSL SETUP If you want to type connection configuration for various types please enable the Manual Setup MANUAL ADSL CONNECTION SETUP PPPoE PPPoA Choose this option if your ISP uses PPPoE PPPoA For most DSL users Dynamic IP Address Choose this option if your ISP uses Dynamic IP Address over DSL Static IP Address Choose this option if your ISP uses Static IP assignments Bridge Choose t...

Страница 24: ...the Idle Time Out The default time is 0 and it means it is always on Set PPP authentication method it can be Auto PAP and CHAP The default authentication method is Auto and it means authentication accept PAP and CHAP both Set NAT to Enable when you want to have WAN and LAN The default mode is Disabled Set IGMP mode when you want to let IAD to play as an IGMP proxy who can help proxy server to send...

Страница 25: ...5 Set PVC values which are from your ISP on VPI VCI Set Virtual Circuit to enable mode when you want to use this PVC For ADSL QoS setup modify Service Category according to your ISP s suggestions Click on the Save Settings button to use this configuration ...

Страница 26: ... compatible with the IP address of the Router The IP addresses available in the DHCP IP address pool will change automatically if you change the IP address of the Router To access the LAN Setup setting window click on the LAN Setup button in the SETUP directory ROUTER SETTINGS To change the Router IP Address or Subnet Mask type in the desired values DHCP Mode The Enabled is selected by default for...

Страница 27: ...ress to let you reserve the IP Address for the designated PC with the configured MAC Address Drop down Manual Configure drop down list to help you get the Mac address from the PC you are using now browsing this web page Typing MAC address nearby Manual Configure to add delete MAC address IP binding manually Drop down Status drop down list to help you set static IP address MAC address binding or de...

Страница 28: ... from late Spring to early Fall Configure Daylight Saving Dates Daylight Saving time starts in the most parts of the United States on the second Sunday of March Each time zone in the United States starts Daylight Saving time at 2 A M Thus in the United States you must use March Second Sunday at 2 00 A M Daylight Saving time starts in the European Union on the last Sunday of March Thus in European ...

Страница 29: ... zone is 1 hour ahead of GMT GMT 1 Thus in Germany you must use March Last Sunday at 1 00 A M Check the Automatically Synchronise with Internet Time Servers Type the specific NTP server name SET THE DATE AND TIME MANAULLY You can also use the Copy Your Computer s Time Settings to synchronize the Date and Time to your local PC Or you also can adjust Year Month Day Hour Minute Second manually Please...

Страница 30: ...e a list of all web sites that you wish to stop users from accessing Time Restrictions allows you to control when clients or PCs connected to Router are allowed to access the Internet BLOCKED WEBSITES SCHEDULING Please type the website name which you want to block on the Website Please set the day and time After finish please click on the Block Website button and then it will show in list ...

Страница 31: ...Section 3 Configuration D Link DSL 321B User Manual 31 INTERNET ACCESS TIME RESTRICTIONS You can have the schedule plan to decide the internet access time restrictions ...

Страница 32: ...OUT page enables you to logout of your router configuration and closes the browser To access the LOGOUT setting window click on the Logout button in the SETUP directory LOGOUT Click on the Logout button to logout of the router configuration settings and close the browser ...

Страница 33: ... or UDP protocol and port number and then redirect these requests to the server on your LAN with the LAN IP address you specify Remember that the specified Private IP Address must be within the useable range of the subnet occupied by the Router To access the PORT FORWARDING settings window click on the PORT FORWARDING button in the ADVANCED directory PORT FORWARDING RULES CONFIGURATION Select an I...

Страница 34: ...rnal Start Port input box It shows the start port opened in the PC with the appointed Private IP Type internal end port from Internal End Port input box It shows the end port opened in the PC with the appointed Private IP Select PVC of the port forwarding rule from Connection drop down list ...

Страница 35: ...data flow for different applications by prioritizing the network traffic based on selected criteria QOS SETUP You have to define the service ports For example VoIP RTP is from 700 Start Port to 900 End Port H 323 is 1720 FTP is from 20 Start Port to 21 End Port MSN massager is from 1863 Start Port to 1864 End Port ...

Страница 36: ...ON Type the policy name on the Name Select the priority value on the Priority Select the Protocol ICMP TCP and UDP Set the Source IP Range and the Destination IP Range Set the Source Port Range and the Destination Port Range Click the Add Apply button to add the policy to the list ...

Страница 37: ...lter name and at least one condition below All of the specified conditions in this filter rule must be satisfied for the rule to take effect ADD OUTBOUND IP FILTER Type the filter name on the Filter Name Choose TCP UDP or ICMP on the Protocol Type Source IP address Source Subnet Mask and Source Port Type Destination IP address Destination Subnet Mask and Destination Port Please click Add Apply but...

Страница 38: ...g a filter name and at least one condition below All of the specified conditions in this filter rule must be satisfied for the rule to take effect ADD OUTBOUND IP FILTER Type the filter name on the Filter Name Choose TCP UDP or ICMP on the Protocol Type Source IP address Source Subnet Mask and Source Port Type Destination IP address Destination Subnet Mask and Destination Port Please click Add App...

Страница 39: ...ur friends can enter your host name to connect to your game server and your friends don t mind what your IP address is and then just type the DDNS name to reach You can use the D Link DDNS server https www dlinkddns com to have a free DDNS To access the DNS setting window click on the DNS button under the ADVANCED tab DNS SERVER CONFIGURATION If you are using the Router for DHCP service on the LAN...

Страница 40: ... use DDNS Choose which DDNS web site to use on the Server Address Type which Host name which you registered with your DDNS service provider on the Host Name Type the username password on the username password for your DDNS account After configure the DNS settings as desired click on the Apply Settings button to apply settings ...

Страница 41: ...re located on a number of different LAN segments VLAN GROUP SETTING Select configuring VLAN index from VLAN Index drop down list Enable VLAN group on the Enable VLAN Group Set VLAN ID in VLAN ID input box To add ATM VCs port to VLAN group check PVC s Port To tag outbound traffic from ATM VCs check PVC s Tagged To add Ethernet port to VLAN group check Ethernet s Port To tag outbound traffic from Et...

Страница 42: ... 321B User Manual 42 VLAN GROUP SUMMARY Present current exist VLAN groups including Group ID VLAN Group Ports VLAN Tagged Ports To remove designate VLAN group tick Remove checkbox and click Remove Selected to remove selected VLAN group ...

Страница 43: ...one DMZ allows computers behind the router firewall to be accessible to Internet traffic Typically your DMZ would contain Web servers FTP servers and others FIREWALL SETTING Enable the Firewall on the Enable Firewall DMZ SETTING Please enable the Enable DMZ and type the DMZ client IP on the DMZ IP Address Or you also can choose the DMZ host by the up down menu the SYN attack FIN URG PSH attack Pin...

Страница 44: ...em router will support D Link do not recommend that you change these settings unless directed to do so by your ISP ADVANCED ADSL SETTINGS Please select following ADSL profile to link Modulation Model can be Auto Sync Up ADSL2 ADSL2 G DMT T1 413 G lite Type can be Annex B Annex J Annex M Annex B J M Please select to enable Bitswap and SRA on the Capability ...

Страница 45: ...ng these settings from factory default Changing these settings may affect the behavior of your network UPNP Please select the Enable UPnP when you want to have Universal Plug and Play UPnP supports peer to peer Plug and Play functionality for network devices MULTICAST STREAMS Please select the IGMP V1 IGMP V2 or IGMP V3 to let IGMP stream can pass through DSL 321B ...

Страница 46: ...ol allows you to configure access via specific services Most users will not need to change any of these settings REMOTE MANAGEMENT SETTINGS Please enable the ENABLE Remote Management Please type the port number which you want to replace the original port Please select Allow All or Deny All on the Remote Admin Inbound Filter Please type a string to describe the action on the Details ...

Страница 47: ...Section 3 Configuration D Link DSL 321B User Manual 47 REMOTE ACCESS CONTROL Please select the Service to enable on LAN or WAN Please click the Apply Settings button to save the configuration ...

Страница 48: ...gement protocol which allows your ISP to perform monitoring configuration and firmware upgrade on your router remotely Inform Select to enable or disable TR 069 client functionality Inform Interval Interval seconds between two Inform messages ACS URL Enter the URL of your ISP s ACS ACS User Name Enter the authentication user name ACS Password Enter the authentication password Connection Request Us...

Страница 49: ...ous functions located in this directory PASSWORD The factory default password of this router is admin To help secure your network D Link recommends that you should choose a new password SET PASSWORD OPTIONAL Please type the Current Password New Password and Confirm Password Please click the Apply Settings button to save the settings ...

Страница 50: ...rive You also have the option to load configuration settings or restore the factory default settings SAVE RESTORE CONFIGURATION Please click the Save button on the Save Settings to Local Hard Drive Please click Browse button to choose the configurations file and then click the Update Settings button to upload If necessary please click the Restore Device button to have the default settings ...

Страница 51: ...ation settings with the SAVE RESTORE SETTINGS window described above To access the FIRMWARE UPDATE setting window click on the Firmware Update button under the MAINTENANCE tab FIRMWARE INFORMATION It shows Current Firmware Version and Current Firmware Date FIRMWARE UPDATE To update firmware click on the Browse button to search for the firmware file and then click the Update Firmware button to begi...

Страница 52: ...fail status is consistent If the test continues to fail click Help and follow the troubleshooting procedures SYSTEM CHECK There are Test your Ethernet Connection and Test ADSL Synchronization and they will show PASS or FAIL INTERNET CONNECTIVITY CHECK There are Test the assigned IP address Ping ISP Default Gateway and Ping Preferred DNS server and they will show PASS FAIL or N A Please click the R...

Страница 53: ...n 3 Configuration D Link DSL 321B User Manual 53 SYSTEM LOG The system Log allows you to view the logs that have been created SYSTEM LOG Date Time Log date and time Message All logged events will be displayed ...

Страница 54: ...ry Use these windows to view system information and monitor performance DEVICE INFO The Device Info page displays a summary overview of your router status including Device firmware version and summary of your Internet configuration both Internet and Ethernet status To access the DEVICE INFO window click on the Device Info button in the STATUS directory GENERAL This window displays current system t...

Страница 55: ...DSL Modulation Cable Status Virtual Circuit Connection Type Network Status Connection Up Time Downstream Line Rate Upstream Line Rate MAC address IP address Subnet Mask Default Gateway and Preferred Alternate DNS Server LAN This window displays LAN information including MAC Address IP Address Subnet Mask and DHCP Server ...

Страница 56: ...ser Manual 56 CONNECTED CLIENTS This feature shows all the currently connected LAN computers CONNECTED DHCP LAN CLIENTS This window displays all the entities which link to the LAN interface and obtained IP address from DHCP server successfully ...

Страница 57: ...This information reflects the current status of your router WAN STATISTICS This window displays all the Received and Transmitted packet status on the WAN interface LAN STATISTICS This window displays all the Received and Transmitted packet status on the LAN interface ...

Страница 58: ...Section 3 Configuration D Link DSL 321B User Manual 58 ADSL STATISTICS This window displays all the ADSL status ...

Страница 59: ...nternet The device has the utility built in to a ROM chip in the device itself Your computer must be on the same IP subnet to connect to the web based utility Make sure you have an updated Java enabled web browser We recommend the following Internet Explorer 6 0 or higher Firefox 1 5 or higher Verify physical connectivity by checking for solid link lights on the device If you do not get a solid li...

Страница 60: ... the login page for the web management If you still cannot access the configuration unplug the power to the router for 10 seconds and plug back in Wait about 30 seconds and try accessing the configuration If you have multiple computers try connecting using a different computer 2 What can I do if I forgot my password If you forgot your password you must reset your router Unfortunately this process ...

Страница 61: ...ly To verify your IP address please follow the steps below Click on Start Run In the run box type cmd and click on the OK At the prompt type ipconfig and press Enter This will display the IP address subnet mask and the default gateway of your adapter If the address is 0 0 0 0 check your adapter installation security settings and the settings on your router Some firewall software programs may block...

Страница 62: ...ighlight Internet Protocol TCP IP and click on the Properties Step 4 Click on the Use the following IP address and enter an IP address that is on the same subnet as your network or the LAN IP address on your router Example If the router s LAN IP address is 192 168 1 1 make your IP address 192 168 1 X where X is a number between 2 and 254 Make sure that the number you choose is not in use on the ne...

Страница 63: ... ATM RFC1483 2684 Multiprotocol Encapsulation over ATM Adaptation Layer 5 AAL5 RFC1661 Point to Point Protocol RFC1994 CHAP RFC2131 DHCP Client DHCP Server RFC2364 PPP over ATM RFC2516 PPP over Ethernet Data Transfer Rate G dmt full rate downstream up to 8 Mbps upstream up to 1 Mbps G lite ADSL downstream up to 1 5 Mbps upstream up to 512 Kbps G dmt bis full rate downstream up to 12 Mbps upstream ...

Страница 64: ...tion on the Web Site before contacting the Support line We have many FAQ s which we hope will provide you a speedy resolution for your problem For Customers within the United Kingdom Ireland D Link UK Ireland Technical Support over the Internet http www dlink co uk ftp ftp dlink co uk D Link UK Ireland Technical Support over the Telephone 08456 12 0003 United Kingdom 1890 886 899 Ireland Lines Ope...

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