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D-Link DSL-2640T, User Manual

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DSL-2640T ADSL 2+ Router User Guide

 

 

47

DHCP  

The DHCP server is enabled by default for the Router’s Ethernet LAN interface. DHCP service will supply IP settings 
to workstations configured to automatically obtain IP settings that are connected to the Router though the Ethernet port. 
When the Router is used for DHCP it becomes the default gateway for DHCP client connected to it. Keep in mind that 
if you change the IP address of the Router the range of IP addresses in the pool used for DHCP on the LAN will also be 
changed. The IP address pool can be up to 253 IP addresses. 

 

DHCP Settings window 

To display the 

DHCP Settings

 window, click the 

DHCP

 button in the 

Home

 directory. Any active DHCP Clients 

appear at the bottom of the window in the DHCP Clients List. The IP address and MAC address for active DHCP 
clients are displayed in the list. 

Summary of Contents for DSL-2640T

Page 1: ...DSL 2640T ADSL2 WirelessRouter UserGuide August 2006 ...

Page 2: ...t 11 HARDWARE INSTALLATION 12 Power on Router 12 Factory Reset Button 12 Network Connections 13 BASIC ROUTER CONFIGURATION 14 Computer IP Settings 14 Access the Configuration Manager 15 Login to Home Page 15 Configure the Router 16 Wizard 17 Wireless 27 Wireless Security 28 WAN 32 Bridge Mode 32 Dynamic IP Address 34 Static IP Address 37 PPPoE PPPoA 40 LAN 46 DHCP 47 DNS 50 Dynamic DNS 51 Save Set...

Page 3: ...on System 83 Wireless Performance 85 TOOLS 87 Change System Password 88 Remote Web Management and Remote Telnet Access 89 Time 90 Remote Log 91 Save or Load Configuration File 92 Restore Factory Default Settings 92 Firmware Upgrade 93 Miscellaneous Configuration 94 Ping Test 94 IGMP Proxy 94 Diagnostic Test 95 STATUS 96 Device Info 96 DHCP Clients 97 Log 98 Statistics 99 ADSL Status 100 Help 101 T...

Page 4: ...les to the device and connect the power adapter 3 Check the IP settings on your computer and change them if necessary so the computer can access the web based software built into the Router 4 Use the web based management software to configure the device to suit the requirements of your ADSL service and requirements of your local network Setup Wizard Many users will be able to configure all the set...

Page 5: ...ion management software The program is designed to work best with more recently released browsers such as Microsoft Internet Explorer version 6 0 Netscape Navigator version 6 2 3 or later versions The web browser must have JavaScript enabled JavaScript is enabled by default on many browsers Make sure JavaScript has not been disabled by other software such as virus protection or web user security p...

Page 6: ...oA Dynamic IP Address 1483 Bridged IP LLC or 1483 Bridged IP VC Mux Default PPPoE PPPoA PPPoE LLC VPI Most users will not be required to change this setting The Virtual Path Identifier VPI is used in conjunction with the Virtual Channel Identifier VCI to identify the data path between your ADSL service provider s network and your computer If you are setting up the Router for multiple virtual conne...

Page 7: ...DSL 2640T This is the subnet mask used by the DSL 2640T and will be used throughout your LAN The default subnet mask is 255 255 255 0 This can be changed later Information you will need about your LAN or computer Ethernet NIC If your computer has an Ethernet NIC you can connect the DSL 2640T to this Ethernet port using an Ethernet cable You can also use the Ethernet ports on the DSL 2640T to conne...

Page 8: ...eless devices The 802 11g standard supports data transfer rates of up to 54 Mbps The wireless Router supports 64 bit and 128 bit WEP encryption ADSL Asymmetric Digital Subscriber Line ADSL is a broadband network technology that utilizes standard twisted pair copper wire telephone lines to enable broadband high speed digital data transmission and bandwidth hungry applications for business and resid...

Page 9: ...Routing This allows you to select a data path to a particular network destination that will remain in the routing table and never age out If you wish to define a specific route that will always be used for data traffic from your LAN to a specific destination within your LAN for example to another router or a server or outside your network to an ISP defined default gateway for instance Default Rout...

Page 10: ...ess point a spherical range The physical environment in which the AP is operating can impact on its effectiveness and range If you experience low signal strength or slow throughput consider positioning the Router in a different location See Installation Considerations below concerning the wireless environment and location of the AP DSL 2640T SSID Wireless networks use an SSID Service Set Identifie...

Page 11: ...at the wireless signals must pass through can limit signal range Typical ranges vary depending on the types of materials and background RF noise in your home or business To range and signal strength use these basic guidelines Keep the number of walls and ceilings between the DSL 2640Tand other network devices to a minimum each wall or ceiling can reduce your D Link wireless product s range from 3 ...

Page 12: ...st POST Once the connection status has been settled the light will blink green If the indicator lights steady green after the POST the system has failed and the device should be rebooted ADSL Link Act Steady green light indicates a valid ADSL connection This will light after the ADSL negotiation process has been settled A blinking green light indicates activity on the WAN ADSL interface WLAN Link ...

Page 13: ...L telephone cable included with the Router into the ADSL port and then connect the cable to your telephone line 2 Insert one end of the Ethernet cable into the Ethernet LAN port on the back panel of the Router and the other end of the cable to an Ethernet Adapter or available Ethernet port on your computer Ethernet Port Use the Ethernet port to connect the Router to your Ethernet LAN or computer P...

Page 14: ... including the default IP address 192 168 1 1 depress the reset button on the right side panel with a ballpoint pen paper clip or similar object for a few seconds The device will restart with default settings Reset To manually reset depress button with the power on for at least seven seconds ...

Page 15: ...should see the Power LED indicator light up and remain lit The Status LED should light solid green and begin to blink after a few seconds 3 If the Ethernet port is connected to a working device check the Ethernet Link Act LED indicators to make sure the connection is valid The Router will attempt to establish the ADSL connection if the ADSL line is connected and the Router is properly configured t...

Page 16: ...sical 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 10 100 BASE TX Ethernet port on the rear panel Any connection to an Ethernet concentrating device such as a switch or hub must operate at a speed of 10 100 Mbps only When connecting the Router to any Ethernet...

Page 17: ...nt so it can automatically obtain IP settings from the Router Some operating systems will automatically select the best IP settings Consult the user manual for the operating system OS if you are unsure 2 Configure the Internet WAN Connection Most users will be able to complete this process using the Setup Wizard The Setup Wizard can be launched once you have successfully connected with the Router ...

Page 18: ... These settings will not apply to dial up or VPN connections option is NOT checked If it is checked click in the checked box to deselect the option and click OK Alternatively you can access this Internet Options menu using the Tools pull down menu in Internet Explorer Login to Home Page To use the web based management software launch a suitable web browser and direct it to the IP address of the Ro...

Page 19: ... web based management interface pictured in the above example The configuration windows are accessed by clicking on the directory tabs Home Advanced Tools Status and Help Each tab has associated window buttons in the left hand panel of the web interface Basic setup of the Router can be completed in the windows accessed from the Home directory including Setup Wizard WAN Internet LAN to configure th...

Page 20: ...utton to proceed You may stop using the Setup Wizard at any time by clicking the Exit button If you exit the wizard you will return to the Setup Wizard window without saving any of the settings changed during the process The first pop up window of the Setup Wizard lists the basic steps in the process These steps are as follows 1 Set the system time 2 Configure the connection to the Internet 3 Save...

Page 21: ...g the Setup Wizard Choose Time Zone Choose the time zone you are in from the pull down menu and click Next This sets the system time used for the Router If you wish to return to the previous window during the setup process click the Back button ...

Page 22: ...ection types available for Multi User Mode are PPPoE PPPoA Dynamic IP Address Static IP Address and Bridge Mode Each connection type has different settings that are configured in the next Setup Wizard pop up window Select the Connection Type specific to your service and click Next to go to the next Setup Wizard pop up window Follow the instructions below for the type of connection you have selecte...

Page 23: ...rom the drop down menu The available PPP connection and encapsulation types are PPPoE LLC PPPoA LLC and PPPoA VC Mux 3 If you are instructed to change the VPI or VCI number type in the correct setting in the available entry fields Most users will not need to change these settings The Internet connection cannot function if these values are incorrect 4 Click Next to go to the next window and complet...

Page 24: ... if these values are incorrect 3 You may want to copy the MAC address of your Ethernet adapter to the Router Some ISPs record the unique MAC address of your computer s Ethernet adapter when you first access their network This can prevent the Router which has a different MAC address from being allowed access to the ISPs network and the Internet To clone the MAC address of your computer s Ethernet a...

Page 25: ...way Address Primary DNS Address and Secondary DNS Server IP Address as instructed by your ISP For IPoA connections it may also be necessary to change the ARP Server Address IPoA connection users who have not been given this information should leave the field blank 3 If you are instructed to change the VPI or VCI number type in the correct setting in the available entry fields Most users will not n...

Page 26: ...ection and encapsulation types are 1483 Bridged IP LLC and 1483 Bridged IP VC Mux 2 If you are instructed to change the VPI or VCI number type in the correct setting in the available entry fields Most users will not need to change these settings The Internet connection cannot function if these values are incorrect 3 Click Next to go to the next window and complete the Setup Wizard ...

Page 27: ...r using the web manager Select None to configure WEP later To disable the wireless access point click the Enable AP option box to remove the green check mark To configure Wirless LAN settings 1 Enter the SSID for the Wireless LAN 2 Choose the wireless Channel to be used for your WLAN from the pull down menu 3 Choose the wireless security setup If WEP is used an additional step is required for conf...

Page 28: ...T ADSL 2 Router User Guide 25 Using the Setup Wizard WEP Configuration If you are configuring WEP security select the Authentication Type Cipher rate and Encryption Key Click Next to continue to the final menu ...

Page 29: ...n correctly click the Restart button to save the new configuration settings and restart the Router If you need to change settings from a previous window click the Back button Do not turn the Router off while it is restarting After the Router is finished restarting you are now ready to continue to configure the Router as desired You may want to test the WAN connection by accessing the Internet with...

Page 30: ...he Service Set Accept the default name or change it to something else If the default SSID is changed all other devices on the wireless network must use the same SSID 3 What channels are available for use by the access point depends on the local regulatory environment Remember that all devices communicating with the device must use the same channel and use the same SSID Use the drop down menu to se...

Page 31: ...own menu select an Authentication Type Open Shared or Both 4 Select a key by clicking a radio button on the left select an encryption level from the drop down menu on the right and then enter the proper length key Key length is outlined at the bottom of the window 5 Click Apply Notice If encryption of any kind at any level is applied to the Wireless network all devices on the network must comply w...

Page 32: ...character Group Key Interval Time in seconds after which the Group Key is changed automatically 1 99999 Wireless Settings menu 802 1x 1 Make sure the Enable AP checkbox at the top of the window has been checked 2 Click to select the 802 1x radio button 3 In the Group Key Interval entry field enter a Time in seconds after which the Group Key is changed automatically 4 Enter the Server IP Address of...

Page 33: ...ide user authentication largely nonexistent in WEP There are two versions of WPA both are supported by the Access Point WPA includes the option of using a Pre Shared Key similar to WEP or a RADIUS server can be used for varification Wireless Settings menu WPA 1 Make sure the Enable AP checkbox at the top of the window has been checked 2 Click to select the WPA radio button ...

Page 34: ...less network a If you are using a Radius Server for authentication select the Radius Server button and enter the server IP Address of the RADIUS server a Port number or accept the default and a Shared Secret 1 63 characters b If you are using a Pre Shared Key type an alphanumeric value of 1 63 characters in length used for authentication 5 Click Apply Notice The values needed for Radiusauthenticat...

Page 35: ...indow Bridge Mode Select the connection type used for your account The window will display settings that are appropriate for the connection type you select Follow the instruction below according to the type of connection you select in the WAN Settings window For Bridged connections it will be necessary for most users to install additional software on any computer that will the Router for Internet ...

Page 36: ...m the pull down menu This defines both the connection type and encapsulation method used for your ADSL service The available options are 1483 Bridged IP LLC and 1483 Bridged IP VC Mux If have not been provided specific information for the Connection Type setting leave the default setting 4 Most users will not need to change ATM settings If this is the first time you are setting up the ADSL connect...

Page 37: ... to the service provider Typically the IP address assigned has a long lease time so it will likely be the same address each time the Router requests an IP address To configure a Dynamic IP Address connection perform the steps listed below Some of the settings do not need to be changed the first time the device is set up but can be changed later if you choose See the table below for a description o...

Page 38: ...C Address button 5 Leave the MTU value at the default setting default 1400 unless you have specific reasons to change this see table below 6 NAT should remain Enabled If you disable NAT you will not be able to use more than one computer for Internet connections NAT is enabled and disabled system wide therefore if you are using multiple virtual connections NAT will disabled on all connections 7 The...

Page 39: ...hernet adapter type in the MAC address in the Cloned MAC Address field and then click this Clone MAC Address button MTU The Maximum Transmission Unit size may be changed if you want to optimize efficiency for uploading data through the WAN interface The default setting 1400 bytes should be suitable for most users Some user may want to adjust the setting to optimize performance for wireless traffic...

Page 40: ...ure DNS server IP settings in the DNS Configuration window see below Follow the instruction below to configure the Router to use Static IP Address assignment for the WAN connection To configure a Static IP Address connection perform the steps listed below Some of the settings do not need to be changed the first time the device is set up but can be changed later if you choose See the table below fo...

Page 41: ...tion ask your ISP if it is necessary to use an ARP Address Resolution Protocol server 5 Leave the MTU value at the default setting default 1400 unless you have specific reasons to change this see table below 6 NAT should remain Enabled If you disable NAT you will not be able to use more than one computer for Internet connections NAT is enabled and disabled system wide therefore if you are using mu...

Page 42: ...sed to match the named URL web address used by most browsers with the actual global IP address used for a web server Usually this will be a server owned by the ISP Get this IP address from your ISP Secondary DNS Address This is the second choice for a DNS server Get this IP address from your ISP MTU The Maximum Transmission Unit size may be changed if you want to optimize efficiency for uploading ...

Page 43: ...PPPoE PPPoA and Connection Setting heading in the WAN settings menu This area is contained within the red square in the example to the right An enlarged view of this section can be seen on the next page followed by step by step instructions on how to configure WAN settings for a PPPoE or PPPoA connection WAN Settings menu PPPoE PPPoA entire menu Note Most users with PPPoE PPPoA connections only ne...

Page 44: ... if you are instructed to change the VPI or VCI values type in the values assigned for your account Leave the PVC and Virtual Circuit setting at the default Pcv0 and Enabled values for now This can be used later if you are configuring multiple virtual circuits for your ADSL service For more information on ATM VC Settings see the table on page 45 below 3 Under the PPPoE PPPoA heading type the User ...

Page 45: ...section describing these Advanced features 12 Typically the globally IP settings i e IP address for the WAN interface for a PPPoA or PPPoA connection will use Dynamic IP assignment from the ISP Some accounts may be assigned a specific global IP address If you have been give an IP address for you PPPoE PPPoA connection select the Static IP option from the IP Control pull down menu This menu can be ...

Page 46: ...you are using the Router on a network with one or more alternative gateway routers you may prefer to disable this if you will use another router as the primary gateway PPPoE PassThrough This feature enables the Router to allow a dial up or separate bridged PPP connection to an individual PC In this instance the Router will serve as a bridge NAT Network Address Translation may be enabled or disable...

Page 47: ...for your account Your ISP may not support the class of service you want to use To adjust ATM QoS parameters select one of the Service Categories listed here and type in the PCR value in the entry field below For the VBR service category an additional parameter SCR must also be defined UBR Unspecified Bit Rate this is the default category used for general purpose Internet traffic where normal level...

Page 48: ...ings in WAN Settings menu The table below describes the ATM VC settings used to configure a PPPoE or PPPoA connection for an ADSL account ATM VC Parameters Description PVC The Router supports using up to eight multiple virtual connections This window allows the user to configure WAN settings for all the available connections see instructions below on how to set up Multiple Virtual Connections Use ...

Page 49: ...ool used for DHCP must be 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 See the next section for information on DHCP setup To access the Management IP window click the LAN button in the Home directory Management IP window To change the LAN IP Address or Subnet Mask type in the...

Page 50: ...comes the default gateway for DHCP client connected to it Keep in mind that if you change the IP address of the Router the range of IP addresses in the pool used for DHCP on the LAN will also be changed The IP address pool can be up to 253 IP addresses DHCP Settings window To display the DHCP Settings window click the DHCP button in the Home directory Any active DHCP Clients appear at the bottom o...

Page 51: ...ver click to select the DHCP Server option if it is not already selected The IP Address Pool settings can be adjusted The Starting IP Address is the lowest available IP address default 192 168 1 2 If you change the IP address of the Router this will change automatically to be 1 more that the IP address of the Router The Ending IP Address is the highest IP address number in the pool Type in the Lea...

Page 52: ...not age out type in the MAC Address of the device and its static IP Address in the spaces provided Use the format 00 00 00 00 00 00 for the MAC address and the standard format 192 168 0 xxx for the IP address A Static DHCP Client List will appear below the DHCP Client list with any clients that have been configured for static IP address assignment Note To manually configure IP settings on Windows ...

Page 53: ...y Use User Discovered DNS ServerOnly or Disable DNS Relay If you have not been given specific DNS server IP addresses or if the Router is not pre configured with DNS server information select the Use Auto Discovered DNS ServerOnly option Auto discovery DNS instructs the Router to automatically obtain the DNS IP address from the ISP through DHCP If your WAN connection uses a Static IP address auto ...

Page 54: ...the host can be located from the Internet if the public IP address changes DDNS requires that an account be setup with one of the supported DDNS providers Dynamic DNS Configuration window Note DDNS requires that an account be setup with one of the supported DDNS servers prior to engaging it on the router This function will not work without an accepted account with a DDNS server Enter the required ...

Page 55: ...ration settings click the Tools tab You will be presented first with the Administrator Settings window This window is described in the next chapter To save the current configuration click the System button to view the System Settings window pictured here System Settings window To save the settings you have configured click the Save and Reboot button under Save Settings and Reboot the System ...

Page 56: ...uccessful connection Contact your ISP or telecommunications service provider if you are interested in setting up multiple virtual connections After the necessary arrangements have been made to use the Router with multiple virtual connections follow the instructions below to setup the Router using the VPI VCI settings given to you by your server provider Configure Multiple PVCs Additional PVCs can ...

Page 57: ...ircuit pull down menu 4 Configure the WAN Settings and Connection Type as desired 5 To save the new settings click the Save and Reboot button Tools System The new connection will activate upon restarting In the example below a new PVC Pvc1 has been added using the WAN Settings window The connection is setup as a bridged connection Configure new PVC The new PVC that appears can be configured separa...

Page 58: ...Windows Home Click the Home tab to access the Setup Wizard WAN Settings LAN Management IP Configuration DHCP Settings for LAN Setup DNS Configuration and Dynamic DNS Configuration windows See the previous chapter for a description of the Home directory windows Advanced Click the Advanced tab to access the UPnP Virtual Server LAN Clients SNMP Management Filters Bridge Filters Static Routing Table D...

Page 59: ...d DNS service can also be used if available on the network UPnP also allows supported devices to leave a network automatically without adverse effects to the device or other devices on the network UPnP is a protocol supported by diverse networking media including Ethernet Firewire phone line and power line networking UPnP window To enable UPnP for any available connection click to check the Enable...

Page 60: ...irection can also be used to direct potentially hazardous packets to a proxy server outside your firewall For example you can configure the Router to direct HTTP packets to a designated HTTP server in the DMZ You can define a set of instructions for a specific incoming port or for a range of incoming ports Each set of instructions or rule is indexed and can be modified or deleted later as needed T...

Page 61: ...ervers Web FTP Telnet DNS LDAP NNTP SMTP POP 2 POP 3 IMAP IRC Lotus and Remotely Possible User Use this to set up custom TCP UDP port rules To configure a new port forwarding rule for any of the pre configured rules follow these steps 1 Select the WAN connection you want to use for the new rule from the Connection pull down menu 2 Select a LAN IP from the available client IP addresses listed in th...

Page 62: ... the window below 2 Type a Rule Name in the space provided 3 Select the port Protocol from the pull down menu you may select TCP UDP or both TCP UDP 4 Configure a range of ports for forwarding Type the lowest numbered port in the range in the Port Start space Type the highest numbered port in the Port End space For a single port just enter the same number in both spaces 5 Type a number for the Por...

Page 63: ...dresses will only be listed if DHCP is enabled on the Router LAN Clients window To add a static IP address to the list of available IP addresses type an IP address that falls within the range a available IP addresses and click on the Add button In the example above available addresses range from 1 0 0 1 to 223 255 255 254 Any addresses added will appear in the list of Static Addresses available fo...

Page 64: ...nable or disable SNMP Agent Enable SNMP Traps Click to select enable or disable SNMP Traps Community Use this edit client community for server SNMP access Name Edit community Name Access Right Access Right may choose ReadOnly or ReadWrite Traps The management agent can send an event notification to the management system to identify the occurrence of conditions such as threshold that exceeds a pred...

Page 65: ...dify any previously created filter rule click on the note pad icon in the right hand column of the Filter List for the set you want to configure Adjust the settings as desired and click the Apply button to put the new settings into effect First determine the direction of the traffic you want the rule to filter To filter WAN to LAN traffic select the Inbound Filter option Any new Inbound Filter rul...

Page 66: ...o depends on if you are configuring an Inbound or Outbound filter rule You can opt to indicate a Single IP an IP Range or Any IP from the pull down menu Source Port The Source Port is the TCP UDP port on either the LAN or WAN depending on if you are configuring an Outbound or Inbound Filter rule Select one of the following options from the pull down menu to define Any Port Single Port Port Range o...

Page 67: ... rules without loosing the rules that have been configured Bridge Filters window To add a bridge filter rule check Enable Bridge Filters type in a Source MAC a Destination MAC or both in the entry fields you may opt to limit filtering to only the Ethernet and click the Apply button To remove a bridge filter from the table in the bottom half of the window click the corresponding trashcan icon Remem...

Page 68: ...o button and type in the Gateway s IP address Click Apply to enter the new static route in the table below The route becomes active immediately upon creation To add a static route to a specific destination IP on the WAN click the Connection radio button and choose a connection from the pull down menu then enter a Destination IP address and Netmask Click Apply to enter the new static route in the t...

Page 69: ...h video conferencing will take place The IP address of this PC or server will then be the DMZ IP address You can designate the server s IP address as the DMZ by typing in the IP address in the IP Address space provided and then enabling its status by clicking the Enabled radio button and then click Apply For the system that uses the DMZ IP address you may want to manually assign an IP address to i...

Page 70: ...DSL 2640T ADSL 2 Router User Guide 67 Parental Control Use Parental Controls to deny access to specified websites or websites containing specified words in the URL Parental Control menu ...

Page 71: ...re may be beneficial to parents wanting to stop their kids from accessing certain websites or for companies who want their employees to stop surfing the Internet on company time To configure this screen for URL blocking enter the website s address or a keyword into the URL field and click Add button then click Apply to save this configuration into the Routers memory Configured URL blocking entries...

Page 72: ... Configuration window allows the Router to enforce specific predefined policies intended to protect against certain common types of attacks There are two general types of protection DoS Port Scan that can be enabled on the Router as well as filtering for specific packet types sometimes used by hackers You can choose to enable or disable protection against a customized basket of attack and scan typ...

Page 73: ...he external network Check the category you want to block to enable filtering of that type of packet When you have selected the desired Firewall policies click the Apply button to enforce the policies Remember to save any configuration changes RIP The Router supports RIP v1 and RIP v2 used to share routing tables with other Layer 3 routing devices on your local network or remote LAN RIP System Wide...

Page 74: ...ess select the Always On option If your ISP account is billed according to the amount of time the Router is connected choose the Connection On Demand option You can configure an idle time in minutes to disconnect the PPP connection after a period of inactivity This will discontinue the PPP session and require a few seconds to reconnect when a host requests access to the WAN Alternatively you can c...

Page 75: ...protocols For most ADSL accounts the default settings ADSL2 Multi mode will work This configuration works with all ADSL implementations If you have been given instructions to change the Modulation method used select the desired option from the Modulation Type drop down menu and click the Apply button ADSL Configuration menu ...

Page 76: ...n page 53 This window can be used as an alternative to configure the same settings found on the WAN Settings window in the Home directory ATM VC Setting menu To configure an existing PVC configuration set click the corresponding notepad icon in the right hand column of the ATM VCs List The PVCs current settings appear above in the entry fields of the ATM VC Setting window Configure the appropriate...

Page 77: ...s Some ISPs use IGMP to perform remote configuration for client devices such as the Router If unsure check with the service provider To enable IGMP service to the LAN interface select Enabled and click the Apply button QoS Configuration menu To set QoS for the router first click the PortMapping QoS check box in the middle of the window This will open the following window Then select the PVC to ass...

Page 78: ...onding action and choose a maximum bandwidth and classification for this combination Then select the classification type using the Classified by pull down menu The choices are Disable ToS Application and User Define Each choice will open the corresponding windows shown following The user may also enable IGMP Proxy Snooping for each PVC at the top of the window by choosing the PVC from the pull dow...

Page 79: ...er User Guide 76 QoS Configuration window IP QoS If you select Disable in the Classified by drop down menu you can assign a maximum allowed bandwidth of between 64 kbps and Auto to each of the PVCs configured on the router ...

Page 80: ...his window you can input a Weight in percentage and a priority range that will determine the mechanism by which the four priority levels are mapped For example if you assign 100 and a range of 0 to 7 to priority level 1 then the remaining priority levels 2 to 4 will only forward packets when priority level 1 is empty when there are no packets to forward Some experimentation may be necessary to ach...

Page 81: ...hich the four priority queues are emptied by assigning a weight in percentage terms to each priority queue and then assigning a packet type that can be associated with an application type For example if you assign a weight of 100 to Priority 1 with an application type of Voice then the other 3 priority queues 2 to 4 will not be allowed to forward packets until all of the Voice packets have been se...

Page 82: ...y queues In addition you can specify the number of bytes from the beginning of a given packet s IP header to set a pointer From this pointer you can then specify a Value in hexadecimal and a Mask in hexadecimal for the router to match when examining packets crossing the specified priority queue It is recommended that you not enter a QoS scheme of this type unless you fully understand Offsets point...

Page 83: ...sed on their MAC address To enable the Access List click to select the Enable Access List box and add MAC addresses to the list that will be allowed or denied access To add a MAC address to the list enter the MAC Address in the entry field provided using the format 00 00 00 00 00 00 select the radio button option to Allow or Deny access to the MAC address and click the Add button The MAC address w...

Page 84: ...y associated with the Access Point Any station on the list can be banned and have the MAC address added to the Access List of MAC addresses denied access To deny access to any associated stations click the radio button for the MAC address you want to ban in the Ban Station column Click Apply to add the banned station to the Access List Denied list The change must be saved and the Router restarted ...

Page 85: ...ck to select the Enable Multiple SSID box Multiple SSID must be enabled to create a new SSID configuration After creating a secondary SSID multiple SSID can be disabled by deselecting the Enable Multiple SSID box To add security settings to an existing secondary SSID click the Modify radio button for that SSID and configure the security the same as configured in the general Wireless Settings menu ...

Page 86: ...cal to connect to each other with cable The access point can perform different functions in the WDS depending on the mode that is chosen To use WDS first select the WDS Mode the access point will use from the pull down menu and configure the available parameters for the selected mode See the table below for a description of the different modes and parameters used to configure the access point Wire...

Page 87: ... the MAC address of the AP used for downlink in the space provided Use Bridge mode if you are using the access point to connect to a distant Ethernet LAN Repeater Mode In repeater mode the access point can communicate with other access points and wireless clients Note that repeater mode will limit the amount of throughput of wireless clients to the Ethernet As with bridge mode repeater mode allows...

Page 88: ...increase the performance of your router but if you are not familiar with networking devices and protocols this section should be left at its default settings Below is a list of the functions associated with the Access Point feature of the router Click Apply when you have completed your changes Wireless Performance menu See the table below for a description of Wireless Performance menu parameters ...

Page 89: ...transmition power RTS Threshold The RTS Request to Send Threshold controls the size of data packets issued to a RTS packet A lower level will send packets more frequently which may consume a great amount of the available bandwidth A high threshold will allow the router to recover from interference or collisions which is more prevalent in a network with high traffic or high electromagnetic interfer...

Page 90: ...tory The Administrator Settings window is the first item in the Tools directory This window is used to change the system password used to access the web manager to save or load Router configuration settings and to restore default settings The functions in this and the other Tools windows are described below Administrator Settings window ...

Page 91: ...ave typed it correctly in the Modify admin password If you are changing the User s password type the New Password and Confirm Password to be certain you have typed it correctly in the Modify user password Click the Apply button to activate the new password The System User Name remains admin this cannot be changed using the web manager interface You may also use this menu to change the TCP WebPort ...

Page 92: ...he procedure to enable remote management of the Router is the same First select the State Enabled radio button for Remote Web Management Remote Telnet Management or Remote SSH Management and then type the IP Address and Netmask of the remote network or system used for management Finally click the Apply button to activate remote management from the chosen IP address Be sure to save the new setting ...

Page 93: ...ng SNTP Time menu To configure system time on the Router select the method used to maintain time The options available include SNTP using your computer s system clock default or set the time and date manually If you opt to use SNTP you must enter the SNTP server URL or IP address Click the Apply button to set the system time ...

Page 94: ...ice Panic and Warning Type in the IP address of a receiver for the log message in the Add an IP Address field and click on the Add button Log message receivers that are added appear listed in the Select a logging destination pull down menu These may be used at any time for other types of log messages To remove a log message receiver from the list select it and click on the Remove button Click the ...

Page 95: ... named anything you wish To load a previously saved configuration file click the Browse button and locate the file on your computer Click the Load button to Load Settings From Local Hard Drive Confirm that you want to load the file when prompted and the process is completed automatically The Router will reboot and begin operating with the configuration settings that have just been loaded System Se...

Page 96: ...oad the latest firmware for the device Note that the device configuration settings may return to the factory default settings so make sure you save the configuration settings with the System Settings window described above Firmware Upgrade menu To upgrade firmware type in the name and path of the file or click on the Browse button to search for the file Click the Apply button to begin copying the ...

Page 97: ...t to check in the space provided and click the Ping button Read the Ping test result in the space immediately below IGMP Proxy The Miscellaneous Configuration window also allows you to enable IGMP forwarding This is disabled by default This setting will not allow IGMP Internet Group Management Protocol packets to be forwarded to the LAN IGMP is used to manage multicasting on TCP IP networks most u...

Page 98: ... of the Router A Ping test may be done through the local or external interface to test connectivity to known IP addresses The diagnostics feature executes a series of test of your system software and hardware connections Use this window when working with your ISP to troubleshoot problems Diagnostic Test window ...

Page 99: ... windows to view system information and monitor performance Device Info Use the Device Information window to quickly view basic current information about the LAN and WAN interfaces and device information including Firmware Version and MAC address Device Information window ...

Page 100: ...DSL 2640T ADSL 2 Router User Guide 97 DHCP Clients ...

Page 101: ...l event log data Use the navigation buttons to view or scroll log pages You may also save a simple text file containing the log to your computer Click the Save Log button and follow the prompts to save the file View Log window Click Clear Log to delete the current log information ...

Page 102: ...the Traffic Statistics window to monitor traffic on the Ethernet or ADSL connection Select the interface for which you want to view packet statistics and the information will appear below Traffic Statistics window Click Refresh to view traffic information ...

Page 103: ...DSL 2640T ADSL 2 Router User Guide 100 ADSL Status Use the ADSL Status window for troubleshooting the ADSL connection ADSL Status information ...

Page 104: ...DSL 2640T ADSL 2 Router User Guide 101 Help Help window Click the desired hyperlink to access help files ...

Page 105: ... Encapsulation over ATM Adaptation Layer 5 AAL5 RFC1577 Classical IP over ATM 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 u...

Page 106: ...2V AC 1200mA Power Consumption 10 Watts max Operating Temperature 0 to 40 C Storage Temperature 20 to 70 C Humidity 5 to 95 non condensing Dimensions 109 mm x 142 8 mm x 32 1 mm Weight gm EMI CE Class B FCC Class B Part 15 Safety CSA 950 UL 1950 IEC 60950 EN 60950 Reliability Mean Time Between Failure MTBF min 4 years ...

Page 107: ...6dBm Typical 11b 18dBm Typical Antenna Built in Diversity Antenna One external Dipole Antenna with RG178 cable assembly 1 2 4 2 5Ghz operation mode 2 Peak Gain 2 0 dBi Typical 3 Impedance 50 Ohm nominal 4 V S W R 2 0 1 Max 5 Connector SMA Reverse Connector Channels 11 channels for United States 13 channels for European Countries 13 channels for Japan Wireless Data Rates IEEE 802 11b 11 5 5 2 and 1...

Page 108: ...ided for installing it Once the protocol has been installed you can configure the system to receive IP settings from the Router For computers running non Windows operating systems follow the instructions for your OS that configure the system to receive an IP address from the Router that is configure the system to be a DHCP client Note If you are using this Router to provide Internet access for mor...

Page 109: ... click Network Connections 4 In the Network Connections window right click on Local Area Connection then click Properties Right click on the Local Area Connection icon and select the Properties option from the pull down menu Click Network Connections Click Network and Internet Connections ...

Page 110: ... connection uses the following items by clicking on it once Click on the Properties button 6 Select Obtain an IP address automatically by clicking once in the circle Click the OK button Your computer is now ready to use the Router s DHCP server Click Properties Select Obtain an IP address automatically in the Internet Protocol TCP IP Properties window ...

Page 111: ...Component Type dialog box select Protocol and then click Add 7 Select Internet Protocol TCP IP in the Network Protocols list and then click OK 8 You may be prompted to install files from your Windows 2000 installation CD or other media Follow the instructions to install the files 9 If prompted click OK to restart your computer with the new settings Configure Windows 2000 for DHCP 1 In the Control ...

Page 112: ...r changes You will be prompted to restart Windows 7 Click Yes When it has restarted your computer is ready to use the Router s DHCP server Windows ME First check for the IP protocol and if necessary install it 1 In the Windows task bar click the Start button point to Settings and then click Control Panel 2 Double click the Network and Dial up Connections icon 3 In the Network and Dial up Connectio...

Page 113: ...tocol dialog box select TCP IP and then click OK You may be prompted to install files from your Windows NT installation CD or other media Follow the instructions to install the files 7 After all files are installed a window displays to inform you that a TCP IP service called DHCP can be set up to dynamically assign IP information 8 Click Yes to continue and then click OK if prompted to restart you...

Page 114: ...wo basic styles of low pass filters commonly used are described below In Line Filter In line low pass filters are used for each telephone or telephone device answering machines Faxes etc that shares the line with the ADSL service These devices are attached to the telephone cable between the telephone and wall jack Filters that install behind the wall plate hidden from view are also available A typ...

Page 115: ...lows Line This port connects to the wall jack ADSL This port connects to the Router Phone This port connects to a telephone or other telephone device The diagram below illustrates the proper use of this style of filter Make certain the lines are properly connected If you are unable to hear a dial tone with the telephone check the connections to make sure they are securely attached and connected to...

Page 116: ...sels Belgium TEL 32 0 2 517 7111 FAX 32 0 2 517 6500 URL www dlink be Poland Budynek Aurum ul Walic w 11 PL 00 851 Warszawa Poland TEL 48 0 22 583 92 75 FAX 48 0 22 583 92 76 URL www dlink pl Hungary R k czi t 70 72 HU 1074 Budapest Hungary TEL 36 0 1 461 30 00 FAX 36 0 1 461 30 09 URL www dlink hu Singapore 1 International Business Park 03 12 The Synergy Singapore 609917 TEL 65 6774 6233 FAX 65 6...

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