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  4. DSL-2640B
  5. User Manual

D-Link DSL-2640B User Manual - General Information

Summary of DSL-2640B

  • Page 1

    D-link dsl-2640u wireless adsl2/2+ 4-port ethernet router user manual building networks for people recyclable 2006/11/08 ver. 1.00

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    1 table of contents . G eneral i nformation ......................................................................... 3 package contents ....................................................................... 3 important safety instructions ......................................................... 3...

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    2 wireless—mac filter ............................................................57 wireless—bridge .................................................................58 wireless—qos ....................................................................59 t ools ...........................................

  • Page 4: General Information

    3 general information the d-link dsl-2640u is an adsl2+ router that provides a convenient wireless routing function. This user manual offers you with a simple and easy-to-understand format to install and configure your router. Package contents included in the package is one of each of the following—...

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    4 front panel view led mode indication solid green the router is powered on. (ready) no light the power is off. Power red failure or device malfunction. (not ready) status flashing green traffic is passing through the device. (internet traffic) solid green dsl is synchronized. No light no carrier si...

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    5 back panel view port description on/ off press to turn the router on and off. Power connects to the power adapter. Reset press for less than 3 seconds to reset the router. Press for 3 seconds or more to revert to factory settings. Console for use by d-link service personnel for maintenance purpose...

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    6 connecting the router to your computer connect the telephone cable • connect one end of the telephone cable to the dsl port on the router and the other end of the cable into the wall socket. Connect the ethernet cable • connect one end of the ethernet cable to one of the 4 lan ports on the back of...

  • Page 8: Configuring The Router

    7 configuring the router to use your web browser to access the web pages used to set up the router, your computer must be configured to “obtain an ip address automatically”, that is, you must change the ip network settings of your computer so that it is a dhcp client. If you are using windows xp and...

  • Page 9: Home

    8 home the home section provides configurations for general use, including a quick setup wizard with steps to quickly set up your router for internet connection. Also included in this section are lan / wan setup and dns configuration. The below sections explains the setup for each. Wizard this secti...

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    9.

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    10 connection type following is the connection type screen where you select the type of network protocol and encapsulation mode over the atm pvc that your isp has instructed you to use. The following is a pppoa example. Click on next to continue..

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    11 ppp username and password now, enter the ppp username and password as given by your isp. Then decide if you will be using any features such as dial on demand, ppp ip extension, keep alive and then click on next. Network address translation settings the next step is to configure the network addres...

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    12 device setup you can configure the dsl router ip address and subnet mask for the lan interface to correspond to your lan’s ip subnet. If you want the dhcp server to automatically assign ip addresses, then enable the dhcp server and enter the range of ip addresses that the dhcp server can assign t...

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    13 wireless the router’s wireless function can be enabled on the following screen. If the function is enabled, then continue by entering the ssid, the wireless network name. Click on next to continue..

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    14 setup - summary after all of the configurations are done, the wan setup summary screen displays all wan settings that you have made. Check that the settings are correct before clicking on the save / reboot button. Clicking on save / reboot will save your settings and restart your router..

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    15 wireless wireless -- basic the below wireless – basic screen lets you enable or disable wireless. The default setting for wireless is enabled. You can also hide the access point so others cannot see your id on the network. Click on apply to save your configurations before clicking on security to ...

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    16 wireless – security the next screen is the wireless – security screen which allows you to select the network authentication method and to enable or disable wep encryption. Note that depending on the network authentication that is selected, the screen will change accordingly so additional fields c...

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    17 wan configure the wan settings as provided by your isp. Click on the add button if you want to add a new connection for the wan interface and to proceed to the atm pvc configuration screen as seen below. The atm pvc configuration screen allows you to configure an atm pvc identifier (vpi and vci) ...

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    18 find out the following values from your isp before you change them. • vpi: virtual path identifier. The valid range is 0 to 255. • vci: virtual channel identifier. The valid range is 32 to 65535. • service category: five classes of traffic are listed— o ubr without pcr (unspecified bit rate witho...

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    19 the following screen shows the below types of network protocols and encapsulation modes— • ppp over atm (pppoa) • ppp over ethernet (pppoe) • mac encapsulation routing (mer) • ip over atm (ipoa) • bridging if you will be using vlan tagging, then click on the enable 802.1q checkbox and then enter ...

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    20 the following screen allows you to enter ppp username and password as well as make any selections regarding your connection. • dial on demand: allows you to manually connect to the internet so you are not permanently connected. Idle timeout timer is included. • ppp ip extension: used by some isp’...

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    21 when finished, click on next to proceed to the nat settings screen. • enable nat: select enable if you wish to share one wan ip address for multiple computers on your lan. • enable firewall: select if you wish to enable the router’s firewall for security. • enable igmp multicast: select enable if...

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    22 click next when finished with your configurations and the below screen will follow displaying the wan settings that you made. When satisfied with the settings click on the apply button..

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    23 after you apply the configurations, it will return to the wan setup screen showing the new configurations. Select the finish button to save the changes and reboot the router. Below is the dsl router reboot screen that will appear during the rebooting process. When completed, the below pop-up wind...

  • Page 25

    24 lan you can configure the dsl router ip address and subnet mask for the lan interface. An available option if you will be multicasting is igmp snooping, for which you can also select standard or blocking mode. If you want the dhcp server to automatically assign ip addresses, enable dhcp server an...

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    25 the save button only saves the lan configuration data, but does not apply the configurations. Select the save/reboot button to save the lan configuration data and reboot the router and apply the new configurations..

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    26 dns dns server configuration use the dns server screen to request automatic assignment of a dns or to specify a primary and secondary dns. If you uncheck the enable automatic assigned dns checkbox, two additional fields— primary and secondary dns server—will appear. Enter the information and clic...

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    27 dynamic dns dynamic dns is a service for allowing an internet domain name to be assigned to a varying ip address. This makes it possible for other sites on the internet to establish connections to you without needing to track the ip address themselves. Click on add to set up a dynamic dns configu...

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    28 logout to log out of the router’s user interface at any time during the setup, click on the logout button. A confirmation screen will appear confirming that you really want to log out..

  • Page 30: Advanced Setup

    29 advanced setup this section of the setup is an advanced version of the quick setup. If you want to make specific configurations to your router such as creating a virtual server, dmz, rip, quality of service (qos), etc., consider going through this advanced setup for a more comprehensive configura...

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    30 the test mode can be selected from the dsl advanced settings page. Test modes include—normal, reverb, medley, no retrain, and l3. After you make your selections of the test mode, click on apply to save these settings first before you go to tone selection. Adsl tone settings the frequency band of ...

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    31 virtual server if you enable nat (network address translation), you can configure the virtual server, port triggering, and dmz host. Nat—virtual servers setup a virtual server allows you to direct incoming traffic from the wan side to a specific ip address on the lan side.The following figure sho...

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    32.

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    33 the following screen appears after you save your selection. To add additional virtual servers, click on the add button. If you need to remove any of the server names, select the check box and click on the remove button. Dmz you can define the ip address of the dmz host on this screen. Enter the i...

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    34 snmp snmp—configuration snmp is simple network management protocol that provides a means to monitor status and performance as well as set configuration parameters. It enables a management station to configure, monitor and receive trap messages from network devices. Ip filter ip filters can be con...

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    35 incoming ip filtering setup incoming ip filter allows specified the wan traffic to pass through the firewall. Click on the add button to add incoming filter settings..

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    36 enter a filter name, information about the source address (from the wan side), and information about the destination address (to the lan side). Select the protocol and wan interface, then click on apply to add the setting. The following screen appears when you apply the ip filter. The screen list...

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    37 outgoing ip filtering setup the outgoing filter will block the lan traffic from entering the wan side. Click on the add buttonto create filters..

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    38 the below screen will appear when you click on add. Input the filter name, source information (from the lan side), and destination information (from the wan side). Then click on apply to save. The following screen appears when you apply the ip filter. The screen lists the ip filters that were add...

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    39 bridge filters mac filtering setup mac filtering can forward or block traffic by mac address. You can change the policy or add settings to the mac filtering table using the mac filtering setup screen..

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    40 if you click on change policy, a confirmation dialog allows you to verify your change. If you want to add a setting to the mac filtering table, select protocol type, enter the destination and source mac address, the necessary frame direction, and wan interface (bridge mode only). Then click on ap...

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    41 after you save the settings, a screen showing the settings will appear. On this screen you will be able to view and delete mac filtering rules. Parental control time of day restrictions in a home setting, parents can also restrict the day of the week certain computers can access the router. Click...

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    42 routing static route, default gateway, and rip type routing configurations can be performed here..

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    43 routing--static route the static route page can be used to add a routing table (a maximum of 32 entries can be configured). To proceed, click on add..

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    44 enter the route information and then apply your configurations. Routing—default gateway the router has the ability to accept the first received default gateway assignment from one of the pppoa, pppoe or mer/dhcp enabled pvc’s. This function is enabled by default as seen below..

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    45 if you uncheck the enable automatic assigned default gateway option, the below screen will be shown. Enter the default gateway ip address or select the established gateway to be used..

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    46 routing—rip configuration if rip is enabled, the router operation can be configured as active or passive. Quality of service you can configure the quality of service to apply different priorities to traffic on the router. Click on add to view the add network traffic class rulescreen..

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    47 this screen allows you to add a network traffic class rule..

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    48 port mapping port mapping is a feature that allows you to open ports to allow certain internet applications on the wan side to pass through the firewall and enter your lan. To use this feature, mapping groups should be created. Click on the add button as displayed below. If you need to remove an ...

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    49.

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    50 certificate there are two types of certificates—local & trusted ca. Local a local certificate identifies your router over the network. To apply for a certificate, click on create certificate request and if you have an existing certificate, click on import certificate to retrieve it..

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    51 if you need to create a certificate request, enter the following information— • certificate name • common name • organization name • state/province name • country/region name..

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    52 if you already have a certificate, then you can simply import the certificate by pasting the certificate content and private key into the space provided. Click apply to submit the request to import the certificate. Trusted ca.

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    53 the trusted certificate authority (ca) allows you to verify the certificates of your peers. Note that you can store up to 4 certificates. The below screen also allows you to view the ca’s that you may have already added and can be removed. Click on import certificate to continue to the next scree...

  • Page 55

    54 the wireless section under advanced contains three sections for further configurations. Sections include— • advanced settings • mac filter • bridge • qos (quality of service) wireless—advance setting advanced features of the wireless lan interface can be configured in this section. Settings can b...

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    55 • channel— 802.11b and 802.11g use channels to limit interference from other devices. If you are experiencing interference with another 2.4ghz device such as a baby monitor, security alarm, or cordless phone, then change the channel on your router. • 54g tm rate— the wireless link rate at which i...

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    57 wireless—mac filter the mac filter feature allows you to disable, allow or deny users access to the wireless router based on their mac address. To add mac addresses, click on add to continue. Click on remove if you want to take out a mac address from the mac filter list. The mac filter screen all...

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    58 wireless—bridge in this next screen, you can select which mode you want the router to be in, either access point or wireless bridge. If you enable bridge restrict, then enter the mac addresses of the remote bridges. If you disable the bridge restrict function, then there are no mac addresses to e...

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    59 wireless—qos wmm (wi-fi multimedia) technology is available on the wireless router, allowing you to give multimedia applications a higher quality of service and priority in a wireless network so applications such as videos will be of higher quality. Enabling wmm may delay the network traffic of o...

  • Page 61: Tools

    60 tools the tools section contains various administrator functions to maintain your router. Sections include the following—admin, time, remote log, system, firmware, and test. • admin: allows you to change the password for the various user names available • time: allows you to set the router’s time...

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    61 access control—admin three user names and passwords—admin, support, and user—can be used to control your router. The passwords for these user names can be changed on the following screen. Enter the user name followed by the old password and the new password that you wish to change to..

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    62 access control—services services that can be enabled / disabled on the lan / wan are ftp, http, icmp, snmp, telnet, and tftp. Access control—ip address web access to the router can be limited when access control mode is enabled. The ip addresses of allowed hosts can be added using access control ...

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    63 to assign the ip address of the management station that is permitted to access the local management services, enter the ip address in the box and click on the apply button..

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    64 time the time settings page allows you to automatically synchronize your time with a time server on the internet. If you choose to set the router’s time, click on the “automatically synchronize with internet time servers” checkbox and the below fields appear..

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    65 select from the list of ntp (network time protocol) time servers. Then select the time zone that you are in and click on apply to save. Remote log the log dialog allows you to view and configure the log. To view the log,click on the view system log button. Below is the system log screen which sho...

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    66 to configure the system log settings, click on the configure system log button to view the following screen. If the log is enabled, the system will log selected events including emergency, alert, critical, error, warning, notice, informational, and debugging. All events above or equal to the sele...

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    67.

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    68 system the system section includes several tools on one page, including save and reboot, backup settings, update settings, and restore default settings. Save and reboot to save all configurations made, click on the save/reboot button. This will save all your settings and restart the router for th...

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    69 update settings to load a previously saved configuration file onto your router, click browse and select the file on your computer and then click on update settings. The router will restore settings and reboot to activate the restored settings. Restore default settings restore default will delete ...

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    70 click on the ok button to start. The below screen will appear with the progress of restoring the default settings. When completed, the below pop-up window will appear confirmation that the router has been rebooted..

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    71 firmware if your isp releases new software for this router, follow these steps to perform an upgrade. 1. Obtain an updated software image file from your isp. 2. Enter the path to the image file location or click on the browse button to locate the image file. 3. Click the update software button on...

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    72 when completed, the below pop-up window will appear confirmation that the router has been rebooted. Test the diagnostics screen allows you to run diagnostic tests to check your dsl connection. The results will show test results of three connections— • connection to your local network • connection...

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    73.

  • Page 75: Status

    74 status the status section allows you to view general and status information for your router’s connection. Device info it shows details of the router such as the version of the software, bootloader, lan ip address, etc. It also displays the current status of your dsl connection as shown below—.

  • Page 76

    75 dhcp clients access the dhcp leases screen by clicking “dhcp” under “statistics”. This shows the computers, identified by the hostname and mac address that have acquired ip addresses by the dhcp server with the time that the lease for the ip address is up..

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    76 wan info the wan info screen displays wan connections previously set up in the home section. The information added in the status section is the extra column for connection status information, displaying either adsl link down or adsl link up. Route info the route info section displays route inform...

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    77 log this is the same screen as seen in the remotelog section under tools..

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    78 lan the lan section shows received and transmitted packet information for the ethernet interfaces. Click on reset statistics to renew the information..

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    79 wan the wan section shows received and transmitted packet information for the wan connections that you have set up. Click on reset statistics to renew the information. Atm the atm section displays statistical values for your atm interface as well as for aal5 and aal5 vcc. Click on reset statistic...

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    80

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    81 adsl information contained in the adsl screen is useful for troubleshooting and diagnostics of connection problems..

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    82 adsl ber test a bit error rate test (ber test) is a test that reflects the ratio of error bits to the total number transmitted. If you click on the adsl ber test button at the bottom of the adsl statistics page, the following pop-up screen will appear allowing you to set the tested time and to be...

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    83 when the test is complete, the following window will display the test results showing the test time, total transferred bits, total error bits and error ratio. Wireless station info this page displays the stations (identified by their bssid) that are associated with your wireless router. Click on ...