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  User Manual DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support March 2015…

• Page 2: Table Of Contents

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support User Manual Contents Chapter 1. Introduction……….4 Contents and Audience…………4 Conventions…………..4 Document Structure…………4 Chapter 2. Overview……….5 General Information…………5 Specifications…………..6 Product Appearance…………9 Front Panel……………9 Side Panel……………11 Back Panel……………12 Delivery Package…………13 Chapter 3. Installation and Connection……14 Before You Begin…………14…

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support User Manual Net…………….64 WAN…………..64 Creating ADSL WAN Connection………..65 Creating Ethernet WAN Connection……..73 LAN…………..80 Wi-Fi…………..83 Basic Settings…………83 Security Settings…………85 MAC Filter……………88 List of Wi-Fi Clients…………90 WPS…………..91 Using WPS Function via Web-based Interface……93 Using WPS Function without Web-based Interface……93 Additional Settings…………95…

• Page 4: Chapter 1. Introduction

  Chapter 2 gives an overview of the router’s hardware and software features and describes its appearance and the package contents. Chapter 3 explains how to install the wireless router DSL-2640U and configure a PC in order to access its web-based interface.

• Page 5: Chapter 2. Overview

  LAN. You can configure and manage the settings of the wireless router DSL-2640U via the user-friendly web-based interface (the interface is available in several languages).

• Page 6: Specifications

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Overview User Manual Specifications Hardware · Interfaces RJ-11 ADSL port · 4 10/100BASE-TX LAN ports LEDs · POWER · · INTERNET · WLAN · LAN 1-4 · · Buttons ON/OFF button to power on/power off ·…

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Overview User Manual Software · WAN connection types PPPoA · PPPoE · IPv6 PPPoE · PPPoE Dual Stack · IPoA · Static IP / Dynamic IP · Static IPv6 / Dynamic IPv6 ·…

• Page 8: Operating Environment

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Overview User Manual Wireless Module Parameters · Standards IEEE 802.11b/g/n Frequency range · 2400 ~ 2483.5MHz Wireless connection security · · WPA/WPA2 (Personal) · МАС filter · WPS (PBC/PIN) · Advanced functions Managing connected stations ·…

• Page 9: Product Appearance

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Overview User Manual Product Appearance Front Panel Figure 1. Front panel view. Mode Description The router is powered on. Solid green POWER The router is powered off; after powering on: the router is in the No light crash recovery mode.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Overview User Manual Mode Description The router’s WLAN is on. Blinking green WLAN The router’s WLAN is off. No light A device is connected to the port of the router (for the LAN port…

• Page 11: Side Panel

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Overview User Manual Side Panel Figure 2. Side panel view. Name Description A button to enable/disable the router’s wireless network and to quickly add wireless devices to the router’s WLAN (the WPS function).

• Page 12: Back Panel

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Overview User Manual Back Panel Figure 3. Back panel view. Port Description A DSL port to connect the router to the telephone line. 4 Ethernet ports to connect Ethernet devices. One port can be used to connect to a LAN 1-4 private Ethernet line.

• Page 13: Delivery Package

  “Quick Installation Guide” (brochure). • The “User Manual” and “Quick Installation Guide” documents are available on D-Link website (see www.dlink.ru, DSL-2640U/RA/U1 product page, the downloads tab). Using a power supply with a different voltage rating than the one included will cause damage and void the warranty for this product.

• Page 14: Chapter 3. Installation And Connection

  Operating System Configuration of the multifunction wireless ADSL/Ethernet router DSL-2640U (hereinafter referred to as “the router”) is performed via the built-in web-based interface. The web-based interface is available from any operating system that supports a web browser.

• Page 15: Connecting To Pc

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual Connecting to PC PC with Ethernet Adapter 1. Make sure that your PC is powered off. 2. Connect an Ethernet cable between any of four Ethernet ports located on the back panel of the router and the Ethernet port of your PC.

• Page 16: Obtaining Ip Address Automatically In Os Windows Xp

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual Obtaining IP Address Automatically in OS Windows XP 1. Click the Start button and proceed to the Control Panel > Network and Internet Connections > Network Connections window.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual 3. In the Local Area Connection Properties window, on the General tab, select the Internet Protocol (TCP/IP) line. Click the Properties button. Figure 5. The Local Area Connection Properties window.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual 4. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. Click the OK button. Figure 6. The Internet Protocol (TCP/IP) Properties window.

• Page 19: Obtaining Ip Address Automatically In Os Windows 7

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual Obtaining IP Address Automatically in OS Windows 7 1. Click the Start button and proceed to the Control Panel window. 2. Select the Network and Sharing Center section. (If the Control Panel has the category…

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual 3. In the menu located on the left part of the window, select the Change adapter settings line. Figure 8. The Network and Sharing Center window. Page 20 of 146…
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual 4. In the opened window, right-click the relevant Local Area Connection icon and select the Properties line in the menu displayed. Figure 9. The Network Connections window.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual 5. In the Local Area Connection Properties window, on the Networking tab, select the Internet Protocol Version 4 (TCP/IPv4) line. Click the Properties button. Figure 10. The Local Area Connection Properties window.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual 6. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. Click the OK button. Figure 11. The Internet Protocol Version 4 (TCP/IPv4) Properties window.

• Page 24: Pc With Wi-Fi Adapter

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual PC with Wi-Fi Adapter 1. To connect the router to a DSL line: connect a phone cable between the DSL port of the router and the ADSL OUT port of the splitter. Connect your phone to the PHONE port of the splitter.

• Page 25: Configuring Wi-Fi Adapter In Os Windows Xp

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual Configuring Wi-Fi Adapter in OS Windows XP 1. Click the Start button and proceed to the Control Panel > Network and Internet Connections > Network Connections window.

• Page 26: Configuring Wi-Fi Adapter In Os Windows 7

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual Configuring Wi-Fi Adapter in OS Windows 7 1. Click the Start button and proceed to the Control Panel window. 2. Select the Network and Sharing Center section. (If the Control Panel has the category…

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual 6. In the opened window, in the list of available wireless networks, select the wireless network DSL-2640U and click the Connect button. Figure 15. The list of available networks.

• Page 28: Connecting To Web-Based Interface

  IP address of the router (by default, the following IP address is specified: 192.168.1.1). Press the Enter key. Figure 16. Connecting to the web-based interface of the DSL-2640U device. If the error “ The page cannot be displayed ” (or “ Unable to display the page ”/“ Could not connect to remote server ”) occurs upon connecting to the web-based interface of the router,…

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual When the web-based interface is accessed the next time and after, the login page opens. Enter the username (admin) in the Login field and the password you specified in the…

• Page 30: Web-Based Interface Structure

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual Web-based Interface Structure General Information Page After successful registration the Home / Information page opens. Figure 19. The general information page. Page 30 of 146…

• Page 31: Menu Sections

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual The web-based interface of the router is multilingual. If you need to select another language for the web-based interface, place the mouse pointer over the English caption in the top part of the page and select a language from the menu displayed.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual To configure connection to the Internet, go to the Click’n’Connect page (for the detailed description of the Wizard, see the Click’n’Connect section, page 39). To configure the router’s wireless network, go to the Wireless network settings wizard page (for the detailed description of the Wizard, see the Wireless Network Settings Wizard section, page 53).

• Page 33: Notifications And System Drop-Down Menu

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual Notifications and System Drop-down Menu The router’s web-based interface displays the notifications in the top right part of the page. Figure 21. The web-based interface notifications. Click the icon displaying the number of notifications to view the complete list and click the relevant link.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Installation and Connection User Manual Control Description Click the icon to save new settings to the non-volatile memory. Also you can save the device’s parameters via the Save button on the System / Configuration page.

• Page 35: Chapter 4. Configuring Via Web-Based Interface

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual CHAPTER 4. CONFIGURING WEB-BASED INTERFACE Monitoring The page displays an interactive scheme which illustrates the router’s settings and the LAN structure. Figure 23. The Monitoring page.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual The interactive scheme displays the following elements: Control Description The Internet element displays information on the active connection. Place the mouse pointer over the icon to switch to another connection, remove existing connections, or add new ones.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Control Description The Virtual Servers element is designed for redirecting incoming traffic to a specific IP address in the LAN. It displays the total number of rules for redirecting traffic and the number of rules active in this specific LAN.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Control Description The Wireless element displays information on Wi-Fi module operation. To the left, the name of the access point is displayed. You can change it in the editing mode.

• Page 39: Click’n’connect

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Click’n’Connect To configure connection to the Internet, click the Click’n’Connect link in the Home section. Figure 24. Configuring a WAN connection. Click the Next button. Figure 25. The page for selecting the connection type.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Figure 26. The page for selecting a port or interface. On the opened page, select a port or interface to which the new connection will be assigned and click the Next button.

• Page 41: Creating Wan Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Creating WAN Connection PPPoE or PPPoA Connection Figure 27. Configuring PPPoE WAN connection. In the Connection name field, specify a name for the connection for easier identification.

• Page 42: Ipv6 Pppoe Or Pppoe Dual Stack Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual IPv6 PPPoE or PPPoE Dual Stack Connection Figure 28. Configuring IPv6 PPPoE WAN connection. In the Connection name field, specify a name for the connection for easier identification.

• Page 43: Ipoa Or Static Ip Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual IPoA or Static IP Connection Figure 29. Configuring Static IP WAN connection. In the Connection name field, specify a name for the connection for easier identification.

• Page 44: Dynamic Ip Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Dynamic IP Connection Figure 30. Configuring Dynamic IP WAN connection. In the Connection name field, specify a name for the connection for easier identification. For ADSL WAN connection, fill in the VPI and VCI fields.

• Page 45: Static Ipv6 Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Static IPv6 Connection Figure 31. Configuring Static IPv6 WAN connection. In the Connection name field, specify a name for the connection for easier identification. For ADSL WAN connection, fill in the VPI and VCI fields.

• Page 46: Dynamic Ipv6 Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Dynamic IPv6 Connection Figure 32. Configuring Dynamic IPv6 WAN connection. In the Connection name field, specify a name for the connection for easier identification. For ADSL WAN connection, fill in the VPI and VCI fields.

• Page 47: Bridge Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Bridge Connection Figure 33. Configuring Bridge WAN connection. In the Connection name field, specify a name for the connection for easier identification. For ADSL WAN connection, fill in the VPI and VCI fields.

• Page 48: Checking Internet Availability

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Checking Internet Availability On the page, you can check the WAN connection you have created. Figure 34. Checking the Internet availability. In the Result section, the status of the WAN connection and possible causes of malfunctions are displayed.

• Page 49: Configuring Yandex.dns Service

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Configuring Yandex.DNS Service On the page, you can enable the Yandex.DNS service and configure its operating mode. Figure 35. Configuring the Yandex.DNS service. To enable the Yandex.DNS service, select the Enable Yandex.DNS checkbox. Then…

• Page 50: Configuring Wireless Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Configuring Wireless Connection Figure 36. Selecting the operating mode for the wireless network. If you are not going to use the wireless connection, select the Turn off choice of the Mode radio button.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual On the opened page, in the SSID field, specify a new name for the network (use digits and Latin characters). Figure 37. Changing the name of the wireless LAN.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual On the next page, you can modify security settings of the WLAN. Select the Protected value from the Network Authentication drop-down list and enter a key (a password that will be used to access your wireless network) in the Network key field.

• Page 53: Wireless Network Settings Wizard

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Wireless Network Settings Wizard To specify all needed settings for your wireless network, click the Wireless network settings wizard link in the Home section. Figure The page for selecting the operating mode for the wireless network.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual On the opened page, in the SSID field, specify a new name for the network (use digits and Latin characters). Figure 40. Page for changing the name of the wireless LAN.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual On the next page, you can modify security settings of the WLAN. Select the Protected value from the Network Authentication drop-down list and enter a key (a password that will be used to access your wireless network) in the Network key field.

• Page 56: Virtual Server Settings Wizard

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Virtual Server Settings Wizard To create a virtual server for redirecting incoming Internet traffic to a specified IP address in the LAN, click the Virtual server settings wizard link in the Home section.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description A port of the IP address specified in the Private IP field to which traffic is directed from the Public port. Specify the start and the Private port (begin)/ end value for the port range.

• Page 58: Status

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Status The pages of this section display data on the current state of the router: network statistics • DSL connection status • IP addresses leased by the DHCP server •…

• Page 59: Dsl Status

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual DSL Status The information shown on pages of the Status / DSL status section can be used for troubleshooting and diagnosing connection problems. On the DSL status and Line pages you can view data on your DSL line: the connection state…

• Page 60: Dhcp

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual DHCP The Status / DHCP page displays the information on computers that have been identified by hostnames and MAC addresses and have got IP addresses from the DHCP server of the device, as well as the IP address expiration periods (the lease time).

• Page 61: Routing Table

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Routing Table The Status / Routing table page displays the information on routes. The table contains destination IP addresses, gateways, subnet masks, and other data. Figure 46. The Status / Routing table page.

• Page 62: Clients

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Clients On the Status / Clients page, you can view the list of devices connected to the router and devices accessing its web-based interface. Figure 47. The Status / Clients page.

• Page 63: Multicast Groups

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Multicast groups The Status / Multicast groups page displays addresses of active multicast groups (including IPTV channels and groups for transferring service information) to which the device is subscribed, and the interface through which the device is subscribed.

• Page 64: Net

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual In this menu you can configure basic parameters of the router’s local area network and configure connection to the Internet (a WAN connection). On the Net / WAN page, you can create and edit connections used by the router.

• Page 65: Creating Adsl Wan Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Creating ADSL WAN Connection Figure 50. The page for creating a new connection. The General settings and ATM sections. Parameter Description General settings A type of network protocol to be used by the connection. Available…

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Virtual Circuit Identifier. The valid range is from 32 to 65535. Encapsulation Mode Select LLC or VC from the drop-down list. A class of traffic for this connection.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Sustainable Cell Rate, and Maximum Burst Size fields are displayed. Specify required values. The VLAN section is displayed for the PPPoE, IPv6 PPPoE, PPPoE Dual Stack, Static IP, Dynamic IP, Static IPv6, Dynamic IPv6 and Bridge connection types.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual The Miscellaneous section is displayed for all connection types except for Bridge. Figure 52. The page for creating a new connection. The Miscellaneous section. Parameter Description…
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual The PPP section is displayed for the PPPoA, PPPoE, IPv6 PPPoE, and PPPoE Dual Stack connection types. Figure 53. The page for creating a new connection. The PPP section.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Select the checkbox if you want the router to establish connection to the Internet on demand. In the Maximum idle time field, specify a…
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Obtain DNS server Select the checkbox to configure automatic assignment of DNS addresses server addresses. If the checkbox is selected, the Primary DNS automatically server and Secondary DNS server fields are not displayed.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual The IPv6, IPv6 gateway, and IPv6 DNS addresses sections are displayed for the IPv6 PPPoE and PPPoE Dual Stack connection types. Figure 55. The page for creating a new connection. The IPv6, IPv6 gateway, and IPv6 DNS addresses sections.

• Page 73: Creating Ethernet Wan Connection

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Creating Ethernet WAN Connection Prior to creating an Ethernet WAN connection, specify a LAN port that will be used as the WAN port (see the EtherWAN section, page 102).

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Ethernet The maximum size of units transmitted by the interface. Displayed for the PPPoE, IPv6 PPPoE, PPPoE Dual Stack, Static IP, Dynamic IP, Static IPv6, and Dynamic IPv6 types only.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual The Miscellaneous section is displayed for all connection types except for Bridge. Figure 57. The page for creating a new connection. The Miscellaneous section. Parameter Description…
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual The PPP section is displayed for the PPPoE, IPv6 PPPoE, or PPPoE Dual Stack connection types. Figure 58. The page for creating a new connection. The PPP section.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description This option is used by some ISPs. Contact your ISP to clarify if this PPP IP extension checkbox needs to be enabled. Displayed for the PPPoE and PPPoE Dual Stack types only.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Vendor ID The identifier of your ISP. Optional. Hostname A name of the router specified by your ISP. Optional. For Static IPv6 type IPv6 address Enter an IPv6 address for this WAN connection.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual The IPv6, IPv6 gateway, and IPv6 DNS addresses sections are displayed for the IPv6 PPPoE and PPPoE Dual Stack connection types. Figure 60. The page for creating a new connection. The IPv6, IPv6 gateway, and IPv6 DNS addresses sections.

• Page 80: Lan

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual To configure the router’s local interface, proceed to the Net / LAN page. Figure 61. Basic settings of the local interface. If needed, edit the basic settings of the local interface.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Select the checkbox so that the devices connected to the router obtain the address of the router as the DNS server address. DNS Relay Deselect the checkbox so that the devices connected to the router obtain the address transmitted by the ISP as the DNS server address.
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Select an operating mode of the DHCPv6 server from the drop-down list. Stateless: clients themselves configure IPv6 addresses using the Mode prefix. Stateful: clients receive IPv6 addresses from the range specified in the Start IP and End IP fields.

• Page 83: Wi-Fi

  (It is recommended not to select this checkbox in order to simplify initial configuration of your WLAN.) A name for the WLAN. By default, the value DSL-2640U is SSID specified. It is recommended to specify another name for the network upon initial configuration (use digits and Latin characters).

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Country The country you are in. Select a value from the drop-down list. The wireless channel number. When the auto value is selected, the Channel router itself chooses the channel with the least interference.

• Page 85: Security Settings

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Security Settings On the Wi-Fi / Security settings page, you can modify security settings of the WLAN. Figure 66. The default security settings. By default, the WPA2-PSK network authentication type is specified for the WLAN. WPS PIN from the barcode label is used as the network key.

• Page 86
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual When the Open or Shared value is selected, the WEP Encryption settings section is displayed (the section is unavailable for the wireless network operating modes which support the standard 802.11n):…
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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual When the WPA-PSK, WPA2-PSK, or WPA-PSK/WPA2-PSK mixed value is selected, the WPA Encryption settings section is displayed: Figure 68. The WPA-PSK/WPA2-PSK mixed value is selected from the Network Authentication drop- down list.

• Page 88: Mac Filter

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual MAC Filter On pages of the Wi-Fi / MAC Filter section, you can define a set of MAC addresses of devices which will be allowed to access the WLAN, or define MAC addresses of devices which will not be allowed to access the WLAN.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Figure 70. The page for adding a MAC address. Click the Add button and enter an address in the field displayed. Also you can enter the MAC address of a device connected to the router’s LAN at the moment.

• Page 90: List Of Wi-Fi Clients

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual List of Wi-Fi Clients On the Wi-Fi / List of Wi-Fi clients page, you can view the list of wireless clients connected to the router. Figure 71. The list of the wireless clients.

• Page 91: Wps

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual On the Wi-Fi / WPS page, you can enable the function for secure configuration of the WLAN and select a method used to easily add wireless devices to the WLAN.

• Page 92
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual To activate the WPS function, select the WPS Enable checkbox and click the Apply button. When the checkbox is selected, the Information and Connection sections are available on the page.

• Page 93: Using Wps Function Via Web-Based Interface

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Using WPS Function via Web-based Interface To add a wireless device via the PIN method of the WPS function, follow the next steps: 1. Select the WPS Enable checkbox.

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  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Later you will be able to add wireless devices to the WLAN by pressing the WPS/WLAN button of the router. 1. Select the PBC method in the software of the wireless device that you want to connect to the router’s WLAN.

• Page 95: Additional Settings

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Additional Settings On the Wi-Fi / Additional settings page, you can define additional parameters for the WLAN of the router. Changing parameters presented on this page may negatively affect your WLAN! Figure 73.

• Page 96
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description TX Power The transmit power (in percentage terms) of the router. The channel bandwidth for 802.11n devices. 20MHz: 802.11n devices operate at 20MHz channels.

• Page 97: Advanced

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Advanced In this menu you can configure advanced settings of the router: enable the UPnP IGD protocol • define interface groups • allow the router to connect to a private Ethernet line •…

• Page 98: Upnp Igd

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual UPnP IGD On the Advanced / UPnP IGD page, you can enable the UPnP IGD protocol. The router uses the UPnP IGD protocol for automatic configuration of its parameters for network applications requiring an incoming connection to the router.

• Page 99: Interface Grouping

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Interface Grouping On the Advanced / Interface grouping page, you can assign WAN connections to the router’s ports (create groups of interfaces), which allows distinguishing different types of traffic. This function is mostly used in Triple-play networks.

• Page 100
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Figure 76. The page for adding a new group of ports. You can specify the following parameters: Parameter Description A name for the group for easier identification. You can specify any Name name.
• Page 101
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description In this section the LAN ports and the WLAN interface of the router are displayed. Elements which cannot be added to the group are highlighted in red.

• Page 102: Etherwan

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual EtherWAN On the Advanced / EtherWAN page, you can configure the router to connect to a private Ethernet line. The Ethernet WAN function allows using any Ethernet port of the router to access the Internet via Ethernet technology.

• Page 103: Ddns

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual DDNS On the Advanced / DDNS page, you can define parameters of the DDNS service, which allows associating a domain name with dynamic IP addresses. Figure 78. The Advanced / DDNS page.

• Page 104
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual To edit parameters of the existing DDNS service, select a needed field in the relevant line of the table, change its value, and click the Apply button.

• Page 105: Routing

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Routing On the Advanced / Routing page, you can add static routes (routes for networks that are not connected directly to the device but are available through the interfaces of the device) into the system.

• Page 106: Ipv6 Routing

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual To edit an existing route, select a needed field in the relevant line of the table, change its value, and click the Apply button. To remove an existing route, select the checkbox located to the left of the relevant line in the table and click the Delete button.

• Page 107
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description A metric for the route. The lower the value, the higher is the route Metric priority. Optional. Select an interface through which the destination network can be accessed from the drop-down list.

• Page 108: Adsl

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual ADSL The Advanced / ADSL page includes the set of ADSL standards that should be defined by an ISP. Contact your ISP to set proper parameters. Select the relevant options and click the Apply button.

• Page 109: Remote Access To Device

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Remote Access to Device On the Advanced / Remote access to device page, you can configure access to the web-based interface of the router. By default, the access from external networks to the router is closed. If you need to allow access to the router from the external network, create relevant rules.

• Page 110
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual You can specify the following parameters: Parameter Description A name for the rule for easier identification. You can specify any Name name. Select a WAN connection to which this rule will be assigned. When Interface the <Auto>…

• Page 111: Miscellaneous

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Miscellaneous On the Advanced / Miscellaneous page, you can enable IGMP, SIP, RTSP, the PPPoE pass through, PPTP pass through, and L2TP pass through functions for the router.

• Page 112
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual The following elements are available on the page: Parameter Description Select a version of IGMP from the drop-down list to enable IGMP. Such a setting allows using the IGMP Proxy function for all WAN…

• Page 113: Tr-069 Client

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual TR-069 Client On the Advanced / TR-069 Client page, you can configure the router for communication with a remote Auto Configuration Server (ACS). The TR-069 client is used for remote monitoring and management of the device.

• Page 114
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description Enable TR-069 Client Select the checkbox to enable the TR-069 client. Inform settings Select the checkbox so the router may send reports (data on the Enable device and network statistics) to the ACS.

• Page 115: Firewall

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Firewall In this menu you can configure the firewall of the router: add rules for IP filtering • create virtual servers • define a DMZ •…

• Page 116
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Figure 87. The page for adding a rule for IP filtering. You can specify the following parameters: Parameter Description General A protocol for network packet transmission. Select a value from the Protocol drop-down list.
• Page 117
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Parameter Description IP Addresses The source host/subnet IP address. To choose a device connected to the router’s LAN at the moment, select the relevant IP address from the drop-down list (the field will be filled in automatically).

• Page 118: Virtual Servers

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Virtual Servers On the Firewall / Virtual servers page, you can create virtual servers for redirecting incoming Internet traffic to a specified IP address in the local area network.

• Page 119
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual You can specify the following parameters: Parameter Description Select a virtual server template from the drop-down list, or select Template Custom to specify all parameters of the new virtual server manually.

• Page 120: Dmz

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual A DMZ is a host or network segment located “between” internal (local) and external (global) networks. In the router, the DMZ implements the capability to transfer a request coming to a port of the DSL router from the external network to a specified host of the internal network.

• Page 121: Mac Filter

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual MAC Filter On the Firewall / MAC filter page, you can configure MAC-address-based filtering for computers of the router’s LAN. Figure 91. The Firewall / MAC filter page.

• Page 122
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Figure 92. The page for adding a rule for the MAC filter. You can specify the following parameters: Parameter Description The MAC address of a device from the router’s LAN. You can enter…

• Page 123: Control

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Control This menu is designed to create restrictions on access to certain web sites. URL Filter On the pages of the Control / URL filter section, you can specify restrictions on access to certain web sites.

• Page 124
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Figure 94. The Control / URL filter / URL addresses page. Click the Add button and enter an address in the field displayed. Then click the Apply button.

• Page 125: Yandex.dns

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Yandex.DNS This menu is designed to configure the Yandex.DNS service. Yandex.DNS is a web content filtering service which provides the DNS server, protect a computer against malicious web sites, and block access to adult web sites. Click the About yandex.DNS link in the Yandex.DNS section to get detailed information on the service.

• Page 126
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Also the selected filtering mode will be applied to all devices newly connected to the router’s network. If you need to specify a filtering mode for each device separately, create relevant rules. To do this, go to the Yandex.DNS / Internet protection settings / Devices page.
• Page 127
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual To create a new filtering rule for a device, click the Add button in the Rules section. In the line displayed, you can specify the following parameters:…

• Page 128: System

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual System In this menu you can do the following: change the password used to access the router’s settings • save the current settings to the non-volatile memory •…

• Page 129: Administrator Password

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Administrator Password On the System / Administrator password page, you can change the password for the administrator account used to access the web-based interface of the router and to access the device settings via TELNET.

• Page 130: Configuration

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Configuration On the System / Configuration page, you can reboot the device, save the changed settings to the non-volatile memory, restore the factory defaults, backup the current configuration, or restore the router’s configuration from a previously created file.

• Page 131
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual The following buttons are available on the page: Control Description Click the button to save settings to the non-volatile memory. Please, save settings every time you change the router’s parameters.

• Page 132: System Log

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual System Log On the System / System log / Configuration page, you can set the system log options and configure sending the system log to a remote host.

• Page 133
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Control Description A port of the host specified in the Server field. By default, the value Port 514 is specified. After specifying the needed parameters, click the Apply button.

• Page 134: Firmware Upgrade

  Figure 101. The System / Firmware upgrade page. The current version of the router’s firmware is displayed next the D-Link logo in the top left corner of the page. By default, the automatic check for the router’s firmware updates is enabled. If a firmware update is available, a notification will be displayed in the top right corner of the page.

• Page 135: Local Update

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Local Update Attention! Do not turn off the router before the firmware upgrade is completed. This may cause the device breakdown. To update the firmware of the router locally, follow the next steps: 1.

• Page 136: Remote Update

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Remote Update Attention! Do not turn off the router before the firmware upgrade is completed. This may cause the device breakdown. To update the firmware of the router remotely, follow the next steps: 1.

• Page 137: System Time

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual System Time On the System / System time page, you can manually set the time and date of the router or configure automatic synchronization of the system time with a time server on the Internet.

• Page 138: Ping

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Ping On the System / Ping page, you can check availability of a host from the local or global network via the Ping utility. The Ping utility sends echo requests to a specified host and receives echo replies.

• Page 139: Telnet

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Configuring via Web-based Interface User Manual Telnet On the System / Telnet page, you can enable or disable access to the device settings via TELNET from your LAN. By default, access is enabled.

• Page 140: Chapter 5. Operation Guidelines

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Operation Guidelines User Manual CHAPTER 5. OPERATION GUIDELINES Safety Instructions Place your router on a flat horizontal surface or mount the router on the wall (the mounting holes are located on the back panel of the device). Make sure that the router is provided with sufficient ventilation.

• Page 141: Wireless Installation Considerations

  RF noise in your home or office. To maximize your wireless range, follow the guidelines below. 1. Keep the number of walls and ceilings between the DSL-2640U device and other network devices to a minimum – each wall or ceiling can reduce your wireless network range by 3- 90 feet (1-30 meters).

• Page 142: Creating Two Connections On One Channel

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Operation Guidelines User Manual Creating Two Connections on One Channel ADSL WAN Connections In some cases, it is necessary to assign two WAN connections to one virtual channel (that is, to specify the same values of the VPI/VCI).

• Page 143: Ethernet Wan Connections

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Operation Guidelines User Manual 14. Go to the Advanced / Interface grouping page. 15. Create a group containing the WAN connection of the Bridge type and the LAN 2 port. 16. Create another group containing the WAN connection of the Dynamic IP type, the LAN 3 port, and the wireless interface.

• Page 144
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Operation Guidelines User Manual Figure 107. Two WAN connections for one physical interface. 16. Go to the Advanced / Interface grouping page. 17. Create a group containing the WAN connection of the Bridge type and the LAN 2 port.

• Page 145: Chapter 6. Abbreviations And Acronyms

  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Abbreviations and Acronyms User Manual CHAPTER 6. ABBREVIATIONS AND ACRONYMS Advanced Encryption Standard Address Resolution Protocol BSSID Basic Service Set Identifier Cyclic Redundancy Check DDNS Dynamic Domain Name System DDoS Distributed Denial of Service…

• Page 146
  DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support Abbreviations and Acronyms User Manual PPPoA Point-to-Point Protocol over ATM PPPoE Point-to-point protocol over Ethernet PPTP Point-to-point tunneling protocol Pre-shared key Quality of Service Routing Information Protocol Request To Send RTSP Real Time Streaming Protocol…

Антон Богданов

Инженер-проектировщик сетей связи