D-Link DSL-2740U User Manual
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D-Link DSL-2740U User Manual

Wireless n adsl2+ modem router
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User Manual
DSL-2740U
Wireless N ADSL2+ Modem Router
May 2014

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Summary of Contents for D-Link DSL-2740U

  • Page 1 User Manual DSL-2740U Wireless N ADSL2+ Modem Router May 2014...

  • Page 2: Table Of Contents

    DSL-2740U Wireless N ADSL2+ Modem Router 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............10 Front Panel..............10 Side Panel...............12 Back Panel...............13 Delivery Package............14 Chapter 3. Installation and Connection......15 Before You Begin............15 Connecting to PC............16...
  • Page 3 DSL-2740U Wireless N ADSL2+ Modem Router User Manual Wi-Fi..............90 Basic Settings............90 Security Settings............92 MAC Filter...............96 Station List.............98 WPS..............99 Using WPS Function via Web-based Interface......101 Using WPS Function without Web-based Interface......101 Additional Settings.............103 Advanced..............105 UPnP IGD..............106 Interface Grouping............107 EtherWAN..............110 DDNS..............111 DNS..............112 Routing..............113...

  • 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-2740U and configure a PC in order to access its web-based interface.

  • Page 5: Chapter 2. Overview

    In addition, any Ethernet port of the device can be used to connect to a private Ethernet line. Also DSL-2740U can operate as a base station for connecting wireless devices of the standards 802.11b, 802.11g, and 802.11n. The router supports multiple functions for the wireless interface: several security standards (WEP, WPA/WPA2), MAC address filtering, and the WPS function.

  • Page 6: Specifications

    DSL-2740U Wireless N ADSL2+ Modem Router Overview User Manual Specifications Hardware Interfaces ADSL: 1 RJ-11 port • LAN: 4 RJ-45 10/100BASE-TX Fast Ethernet ports with auto-MDI/MDIX • WLAN: built-in 802.11b, g, and n wireless interface • Frequency Range 2412 ~ 2484MHz •...
  • Page 7 DSL-2740U Wireless N ADSL2+ Modem Router Overview User Manual Software WAN Connection Types ADSL • ◦ PPPoE ◦ PPPoA ◦ IPoA ◦ Static IP ◦ Dynamic IP ◦ Bridge Ethernet • ◦ PPPoE ◦ Static IP ◦ Dynamic IP ◦ Bridge Wireless Network IEEE 802.11n standard, IEEE 802.11b/g compliant...
  • Page 8 DSL-2740U Wireless N ADSL2+ Modem Router Overview User Manual Network Protocols and Functions DHCP server/client/relay • DNS relay • DDNS • Static IP routing • Remote management • Network statistics for each interface • IGMP proxy • IGMP snooping •...
  • Page 9 DSL-2740U Wireless N ADSL2+ Modem Router Overview User Manual Physical and Environmental LEDs POWER • • INTERNET • WLAN • LAN 1-4 • • Power External power adapter DC 12V/0.5A • Buttons ON/OFF power switch • Reset to Factory Defaults button •...

  • Page 10: Product Appearance

    DSL-2740U Wireless N ADSL2+ Modem Router Overview User Manual Product Appearance Front Panel Figure 1. Front panel view. Mode Description Solid green The router is powered on. POWER No light The router is powered off. Solid green DSL has been synchronized.
  • Page 11 DSL-2740U Wireless N ADSL2+ Modem Router Overview User Manual Mode Description Blinking green The WLAN interface is active (upstream or downstream traffic). No light The router's WLAN is off. A device is connected to the port of the router (for the LAN port...

  • Page 12: Side Panel

    DSL-2740U Wireless N ADSL2+ Modem Router 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). To enable/disable the router's wireless network: with the device turned on, press the button, hold for 7 seconds, and then release it.

  • Page 13: Back Panel

    DSL-2740U Wireless N ADSL2+ Modem Router 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 14: 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-2740U/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 15: Chapter 3. Installation And Connection

    Operating System Configuration of the multifunction wireless ADSL/Ethernet router DSL-2740U (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 16: Connecting To Pc

    DSL-2740U Wireless N ADSL2+ Modem Router 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 17: Obtaining Ip Address Automatically In Os Windows Xp

    DSL-2740U Wireless N ADSL2+ Modem Router 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. 2. In the Network Connections window, right-click the relevant Local Area Connection icon and select the Properties line in the menu displayed.
  • Page 18 DSL-2740U Wireless N ADSL2+ Modem Router 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.
  • Page 19 DSL-2740U Wireless N ADSL2+ Modem Router 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. 5. Click the ОК button in the connection properties window.

  • Page 20: Obtaining Ip Address Automatically In Os Windows 7

    DSL-2740U Wireless N ADSL2+ Modem Router 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...
  • Page 21 DSL-2740U Wireless N ADSL2+ Modem Router 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 21 of 146...
  • Page 22 DSL-2740U Wireless N ADSL2+ Modem Router 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. Page 22 of 146...
  • Page 23 DSL-2740U Wireless N ADSL2+ Modem Router 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.
  • Page 24 DSL-2740U Wireless N ADSL2+ Modem Router 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 25: Pc With Wi-Fi Adapter

    DSL-2740U Wireless N ADSL2+ Modem Router 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 26: Configuring Wi-Fi Adapter In Os Windows Xp

    DSL-2740U Wireless N ADSL2+ Modem Router 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. 2. Select the icon of the wireless network connection and make sure that your Wi-Fi adapter is Figure 12.

  • Page 27: Configuring Wi-Fi Adapter In Os Windows 7

    DSL-2740U Wireless N ADSL2+ Modem Router 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...
  • Page 28 DSL-2740U Wireless N ADSL2+ Modem Router Installation and Connection User Manual 6. In the opened window, in the list of available wireless networks, select the wireless network DSL-2740U and click the Connect button. Figure 15. The list of available networks.

  • Page 29: 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-2740U 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,...

  • Page 30: Web-Based Interface Structure

    DSL-2740U Wireless N ADSL2+ Modem Router Installation and Connection User Manual After changing the password the login page opens. Enter the username (admin) in the Login field and the new password in the Password field, then click the Enter link.
  • Page 31 DSL-2740U Wireless N ADSL2+ Modem Router Installation and Connection User Manual The web-based interface of the router is multilingual. Select a needed language from the menu displayed when the mouse pointer is over the Language caption. You can change the language of the web-based interface in any menu item.
  • Page 32 DSL-2740U Wireless N ADSL2+ Modem Router Installation and Connection User Manual To configure all parameters of the router independently without the Wizards, click the Advanced settings link in the bottom right corner of the page. Figure 21. The advanced settings page.

  • Page 33: Saving And Restoring Settings

    DSL-2740U Wireless N ADSL2+ Modem Router Installation and Connection User Manual Also you can find a specific page via search. To do this, enter the name of the page, wholly or partly, in the search bar in the top part of the web-based interface page, and then select a needed link in the search results.
  • Page 34 DSL-2740U Wireless N ADSL2+ Modem Router Installation and Connection User Manual Figure 24. The top-page menu. Click the Reboot line if you have already saved the router's settings. Click the Save&Reboot line to save new settings and immediately reboot the router.

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

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual CHAPTER 4. CONFIGURING WEB-BASED INTERFACE Click'n'Connect To configure a WAN connection, click the Click'n'Connect link in the Net section. Figure 25. Configuring a WAN connection. Click the Next button.
  • Page 36 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 26. The page for selecting the connection type. On the opened page, select the needed choice of the radio button and click the Next button. Figure 27. The page for selecting a port or interface.

  • Page 37: Creating Wan Connection

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Creating WAN Connection PPPoE or PPPoA Connection Figure 28. Configuring PPPoE 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 38 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 29. Configuring PPPoE WAN connection. The expert settings mode. The ATM section. Parameter Description Connection name A name for connection for easier identification. Virtual Path Identifier. The valid range is from 0 to 250.
  • Page 39 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description the Peak Cell Rate field is displayed. Specify a required value (in cells per second). (Constant Bit Rate): This service is used for applications that require a constant data rate. It is mostly used for transferring uncompressed audio and video, e.g.
  • Page 40 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 30. Configuring PPPoE WAN connection. The expert settings mode. The Ethernet section. Parameter Description Ethernet The maximum size of units transmitted by the interface. A MAC address assigned to the interface. This parameter is mandatory if your ISP uses MAC address binding.
  • Page 41 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 31. Configuring PPPoE WAN connection. The expert settings mode. The PPP section. Parameter Description Username A username (login) to access the Internet. Select the checkbox if you don't need to enter a username and Without authorization password to access the Internet.
  • Page 42 DSL-2740U Wireless N ADSL2+ Modem Router 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 Dial on demand period of inactivity (in seconds) after which the connection should be terminated.
  • Page 43 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Miscellaneous Enable RIP Select the checkbox to allow using RIP for this connection. Select the checkbox to allow multicast traffic from the external Enable IGMP Multicast network (e.g.

  • Page 44: Ipoa Or Static Ip Connection

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual IPoA or Static IP Connection Figure 33. Configuring Static 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 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 34. Configuring Static IP WAN connection. The expert settings mode. The ATM and IP sections. Parameter Description Connection name A name for connection for easier identification. Virtual Path Identifier.
  • Page 46 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description the Peak Cell Rate field is displayed. Specify a required value (in cells per second). (Constant Bit Rate): This service is used for applications that require a constant data rate. It is mostly used for transferring uncompressed audio and video, e.g.
  • Page 47 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 35. Configuring Static IP WAN connection. The expert settings mode. The Ethernet section. Parameter Description Ethernet The maximum size of units transmitted by the interface. A MAC address assigned to the interface. This parameter is mandatory if your ISP uses MAC address binding.
  • Page 48 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 36. Configuring Static IP WAN connection. The expert settings mode. The Miscellaneous and VLAN sections. Parameter Description Miscellaneous Enable RIP Select the checkbox to allow using RIP for this connection.
  • Page 49 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Select the checkbox to allow the router to use tagged VLAN Use VLAN connections. An identifier for the VLAN. The field is displayed when the Use VLAN ID VLAN checkbox is selected.

  • Page 50: Dynamic Ip Connection

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Dynamic IP Connection Figure 37. 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 51 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 38. Configuring Dynamic IP WAN connection. The expert settings mode. The ATM and IP sections. Parameter Description Connection name A name for connection for easier identification. Virtual Path Identifier.
  • Page 52 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description the Peak Cell Rate field is displayed. Specify a required value (in cells per second). (Constant Bit Rate): This service is used for applications that require a constant data rate. It is mostly used for transferring uncompressed audio and video, e.g.
  • Page 53 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 39. Configuring Dynamic IP WAN connection. The expert settings mode. The Ethernet section. Parameter Description Ethernet The maximum size of units transmitted by the interface. A MAC address assigned to the interface. This parameter is mandatory if your ISP uses MAC address binding.
  • Page 54 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 40. Configuring Dynamic IP WAN connection. The expert settings mode. The Miscellaneous and VLAN sections. Parameter Description Miscellaneous Enable RIP Select the checkbox to allow using RIP for this connection.
  • Page 55 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Select the checkbox to allow the router to use tagged VLAN Use VLAN connections. An identifier for the VLAN. The field is displayed when the Use VLAN ID VLAN checkbox is selected.

  • Page 56: Bridge Connection

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Bridge Connection Figure 41. 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 57 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 42. Configuring Bridge WAN connection. The expert settings mode. The ATM and VLAN sections. Parameter Description Connection name A name for connection for easier identification. Virtual Path Identifier.
  • Page 58 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description the Peak Cell Rate field is displayed. Specify a required value (in cells per second). (Constant Bit Rate): This service is used for applications that require a constant data rate. It is mostly used for transferring uncompressed audio and video, e.g.
  • Page 59 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 43. Configuring Bridge WAN connection. The expert settings mode. The Ethernet section. Parameter Description Ethernet The maximum size of units transmitted by the interface. Click the Next button to continue.

  • Page 60: Checking Internet Availability

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Checking Internet Availability On the page, you can check the WAN connection you have created. Figure 44. Checking the Internet availability. In the Result section, the status of the WAN connection and possible causes of malfunctions are displayed.

  • Page 61: Configuring Wireless Connection

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Configuring Wireless Connection Figure 45. The page for 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.
  • Page 62 DSL-2740U Wireless N ADSL2+ Modem Router 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 46. Page for changing the name of the wireless LAN.
  • Page 63 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual On the next page, you can modify security settings of the WLAN. The default security settings do not provide sufficient protection for the WLAN. Please, specify your own security settings for the WLAN.

  • Page 64: Wireless Network Settings Wizard

    DSL-2740U Wireless N ADSL2+ Modem Router 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 Wi-Fi section. Figure 48. The page for selecting the operating mode for the wireless network.
  • Page 65 DSL-2740U Wireless N ADSL2+ Modem Router 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 49. Page for changing the name of the wireless LAN.
  • Page 66 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual On the next page, you can modify security settings of the WLAN. The default security settings do not provide sufficient protection for the WLAN. Please, specify your own security settings for the WLAN.

  • Page 67: Virtual Server Settings Wizard

    DSL-2740U Wireless N ADSL2+ Modem Router 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 Firewall section.
  • Page 68 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Enter the IP address of the server from the local area network. To Private port (begin)/ choose a device connected to the router's LAN at the moment, select...

  • Page 69: Status

    DSL-2740U Wireless N ADSL2+ Modem Router 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 70: Dsl Status

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual DSL Status The information shown on the tabs of the Status / DSL status page can be used for troubleshooting and diagnosing connection problems. Figure 53. The Status / DSL status page.

  • Page 71: Dhcp

    DSL-2740U Wireless N ADSL2+ Modem Router 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 72: Routing Table

    DSL-2740U Wireless N ADSL2+ Modem Router 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 55. The Status / Routing table page.

  • Page 73: Clients

    DSL-2740U Wireless N ADSL2+ Modem Router 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 56. The Status / Clients page.

  • Page 74: Net

    DSL-2740U Wireless N ADSL2+ Modem Router 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 75: Creating Adsl Wan Connection

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Creating ADSL WAN Connection Figure 58. 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...
  • Page 76 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Direction The direction of this connection. Virtual Path Identifier. The valid range is from 0 to 250. Virtual Circuit Identifier. The valid range is from 32 to 65535.
  • Page 77 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Realtime VBR (Real-time Variable Bit Rate): This service is used for delay- sensitive applications such as real time video. The Rt-VBR provides higher network flexibility than the CBR service. When you select...
  • Page 78 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description A priority tag for the type of traffic transmitted. The field is VLAN priority displayed when the Use VLAN checkbox is selected. The Miscellaneous section is displayed for all connection types except for Bridge.
  • Page 79 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual The PPP section is displayed for the PPPoE and PPPoA connection types. Figure 61. The page for creating a new connection. The PPP section. Parameter Description Username A username (login) to access the Internet.
  • Page 80 DSL-2740U Wireless N ADSL2+ Modem Router 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 Dial on demand period of inactivity (in seconds) after which the connection should be terminated.
  • Page 81 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Displayed for the Static IP and IPoA types only. IP Address Enter an IP address for this WAN connection. Displayed for the Static IP and IPoA types only.

  • Page 82: Creating Ethernet Wan Connection

    DSL-2740U Wireless N ADSL2+ Modem Router 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 110).
  • Page 83 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Ethernet The maximum size of units transmitted by the interface. Displayed for the PPPoE, Static IP and Dynamic IP types only. A MAC address assigned to the interface. This parameter is mandatory if your ISP uses MAC address binding.
  • Page 84 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual The Miscellaneous section is displayed for all connection types except for Bridge. Figure 64. The page for creating a new connection. The Miscellaneous section. Parameter Description Miscellaneous Enable RIP Select the checkbox to allow using RIP for this connection.
  • Page 85 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual The PPP section is displayed for the PPPoE connection type. Figure 65. The page for creating a new connection. The PPP section. Parameter Description Username A username (login) to access the Internet.
  • Page 86 DSL-2740U Wireless N ADSL2+ Modem Router 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 Dial on demand period of inactivity (in seconds) after which the connection should be terminated.
  • Page 87 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Displayed for the Static IP type only. IP Address Enter an IP address for this WAN connection. Displayed for the Static IP type only. Netmask Enter a subnet mask for this WAN connection.

  • Page 88: Lan

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual To configure the router's local interface, proceed to the Net / LAN page. Figure 67. Basic settings of the local interface. If needed, edit the basic parameters of the local interface.
  • Page 89 DSL-2740U Wireless N ADSL2+ Modem Router 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 or specified on the Advanced / DNS page as the DNS server address.

  • Page 90: Wi-Fi

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Wi-Fi In this menu you can specify all needed settings for your wireless network. Basic Settings On the Wi-Fi / Basic settings page, you can enable your wireless local area network (WLAN) and configure its basic parameters.
  • Page 91 (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-2740U is SSID specified. It is recommended to specify another name for the network upon initial configuration (use digits and Latin characters).

  • Page 92: Security Settings

    DSL-2740U Wireless N ADSL2+ Modem Router 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 71. The default security settings. By default, the Open network authentication type with no encryption is specified for the WLAN.
  • Page 93 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual The router supports the following authentication types: Authentication type Description Open authentication (with WEP encryption for wireless network Open modes not supporting 802.11n devices). Shared key authentication with encryption.
  • Page 94 DSL-2740U Wireless N ADSL2+ Modem Router 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):...
  • Page 95 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description Keys for WEP encryption. The router uses the key selected from the Encryption Key WEP (1- Default Key ID drop-down list. It is required to specify all the fields.

  • Page 96: Mac Filter

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual MAC Filter On the Wi-Fi / MAC Filter page, 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.
  • Page 97 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 75. The tab 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. To do this, select the relevant device from the Known IP/MAC addresses drop-down list (the field will be filled in automatically).

  • Page 98: Station List

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Station List On the Wi-Fi / Station List page, you can view the list of wireless clients connected to the router. Figure 76. The list of the wireless clients.

  • Page 99: Wps

    DSL-2740U Wireless N ADSL2+ Modem Router 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 100 DSL-2740U Wireless N ADSL2+ Modem Router 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 101: Using Wps Function Via Web-Based Interface

    DSL-2740U Wireless N ADSL2+ Modem Router 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.
  • Page 102 DSL-2740U Wireless N ADSL2+ Modem Router 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 103: Additional Settings

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Additional Settings On the Wi-Fi / Additional settings page, you can define additional parameters for the router's WLAN. Changing parameters presented on this page may negatively affect your WLAN! Figure 78.
  • Page 104 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual The following fields are available on the page: Parameter Description The time interval (in seconds) between keep alive checks of wireless Station Keep Alive devices from your WLAN. When the value 0 is specified, the checking is disabled.

  • Page 105: Advanced

    DSL-2740U Wireless N ADSL2+ Modem Router 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 106: Upnp Igd

    DSL-2740U Wireless N ADSL2+ Modem Router 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 107: Interface Grouping

    DSL-2740U Wireless N ADSL2+ Modem Router 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 108 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 81. 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 109 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description In this section the LAN ports of the router are displayed. Ports which cannot be added to the group are highlighted in red. To add a port to the group, click the icon corresponding to this port.

  • Page 110: Etherwan

    DSL-2740U Wireless N ADSL2+ Modem Router 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 111: Ddns

    DSL-2740U Wireless N ADSL2+ Modem Router 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 83. The Advanced / DDNS page.

  • Page 112: Dns

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual On the Advanced / DNS page, you can add DNS servers to the system. Figure 84. The Advanced / DNS page. DNS servers are used to determine the IP address from the name of a server in Intranets or the Internet (as a rule, they are specified by an ISP or assigned by a network administrator).

  • Page 113: Routing

    DSL-2740U Wireless N ADSL2+ Modem Router 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 114 DSL-2740U Wireless N ADSL2+ Modem Router 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 Apply button.

  • Page 115: Adsl

    DSL-2740U Wireless N ADSL2+ Modem Router 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 116: Remote Access

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Remote Access On the Advanced / Remote access page, you can configure remote 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 117 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual To edit a rule for remote access, select a needed field in the relevant line of the table, change its value, and click the Apply button. To remove a rule for remote access, select the checkbox located to the left of the relevant line in the table and click the Apply button.

  • Page 118: Miscellaneous

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Miscellaneous On the Advanced / Miscellaneous page, you can enable IGMP, SIP, RTSP, and the PPPoE pass through function for the router. IGMP is used for managing multicast traffic (transferring data to a group of destinations). This protocol allows using network resources for some applications, e.g., for streaming video, more...
  • Page 119 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual To enable SIP, select the SIP checkbox and click the Apply button. Such a setting allows using the SIP ALG function. This function allows VoIP traffic to pass through the NAT-enabled router.

  • Page 120: Firewall

    DSL-2740U Wireless N ADSL2+ Modem Router 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 • configure the MAC filter.
  • Page 121 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 90. The page for adding a rule for IP filtering. You can specify the following parameters: Parameter Description General Name A name for the rule for easier identification.
  • Page 122 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description 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 123: Virtual Servers

    DSL-2740U Wireless N ADSL2+ Modem Router 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 124 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 92. The page for adding a virtual server. You can specify the following parameters: Parameter Description Select a virtual server template from the drop-down list, or select...
  • Page 125 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Parameter Description The IP address of the server from the local area network. To choose a device connected to the router's LAN at the moment, select the Private IP relevant value from the drop-down list (the field will be filled in automatically).

  • Page 126: Dmz

    DSL-2740U Wireless N ADSL2+ Modem Router 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 127: Mac Filter

    DSL-2740U Wireless N ADSL2+ Modem Router 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 94. The Firewall / MAC filter page.
  • Page 128 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual To edit a rule for filtering, select a needed field in the relevant line of the table, change its value, and click the Apply button. To remove a rule for filtering, select the checkbox located to the left of the relevant line in the table and click the Apply button.

  • Page 129: Control

    DSL-2740U Wireless N ADSL2+ Modem Router 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 Control / URL filter page, you can specify restrictions on access to certain web sites.
  • Page 130 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Figure 96. The Control / URL filter page. The URL addresses tab. Click the Add button and enter an address in the field displayed. Then click the Apply button.

  • Page 131: System

    DSL-2740U Wireless N ADSL2+ Modem Router 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 132: Administrator Password

    DSL-2740U Wireless N ADSL2+ Modem Router 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 133: Configuration

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual Configuration On the System / Configuration page, you can 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 134: System Log

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual System Log On the System / System log page, you can set the system log options and configure sending the system log to a remote host. Figure 99. The System / System log page. The Configuration tab.
  • Page 135 DSL-2740U Wireless N ADSL2+ Modem Router 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 136: Firmware Upgrade

    To enable the automatic check for firmware updates, in the Remote update section, select the Check for updates automatically checkbox and click the Apply settings button. By default, in the Remote server URL field, the D-Link update server address (fwupdate.dlink.ru) is specified.

  • Page 137: Local Update

    DSL-2740U Wireless N ADSL2+ Modem Router 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 138: Remote Update

    DSL-2740U Wireless N ADSL2+ Modem Router 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 139: Ntp Client

    DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual NTP Client On the System / NTP client 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 140 DSL-2740U Wireless N ADSL2+ Modem Router Configuring via Web-based Interface User Manual When the router is powered off or rebooted, the system time is reset to the default value. If you have set automatic synchronization for the system time, the internal clock of the device will be configured after connecting to the Inter net.

  • Page 141: Ping

    DSL-2740U Wireless N ADSL2+ Modem Router 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 142: Telnet

    DSL-2740U Wireless N ADSL2+ Modem Router 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. Figure 104. The System / Telnet page.

  • Page 143: Chapter 5. Operation Guidelines

    DSL-2740U Wireless N ADSL2+ Modem Router 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 144: 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-2740U 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 145: Chapter 6. Abbreviations And Acronyms

    DSL-2740U Wireless N ADSL2+ Modem Router Abbreviations and Acronyms User Manual CHAPTER 6. ABBREVIATIONS AND ACRONYMS Advanced Encryption Standard Address Resolution Protocol BSSID Basic Service Set Identifier DDNS Dynamic Domain Name System DDoS Distributed Denial of Service DHCP Dynamic Host Configuration Protocol...
  • Page 146 DSL-2740U Wireless N ADSL2+ Modem Router Abbreviations and Acronyms User Manual Quality of Service Routing Information Protocol Request To Send RTSP Real Time Streaming Protocol Session Initiation Protocol SSID Service Set Identifier TKIP Temporal Key Integrity Protocol UPnP Universal Plug and Play...

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