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D-Link DSL-2750U User Manual
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D-Link DSL-2750U User Manual

Wireless adsl2+ router with 3g/lte/ethernet wan support and usb port
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User Manual
DSL-2750U
Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support
and USB Port
April 2015

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Summary of Contents for D-Link DSL-2750U

  • Page 1 User Manual DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port April 2015...

  • Page 2: Table Of Contents

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port User Manual Contents Chapter 1. Introduction..........5 Contents and Audience............5 Conventions..............5 Document Structure............5 Chapter 2. Overview..........6 General Information............6 Specifications*.............7 Product Appearance............11 Front Panel..............11 Side Panel...............13 Back Panel...............14 Delivery Package............15 Chapter 3. Installation and Connection......16 Before You Begin............16...
  • Page 3 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port User Manual Net................71 WAN..............71 Creating ADSL WAN Connection...........72 Creating Ethernet WAN Connection........80 Creating 3G WAN Connection..........87 Creating LTE WAN Connection..........90 LAN..............93 QoS..............96 Advanced Configuration..........96 Queue..............100 Wi-Fi..............101 Basic Settings............101 Security Settings............103 MAC Filter..............106...
  • Page 4 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port User Manual System..............160 Administrator Password..........161 Configuration............162 System Log..............164 Firmware Upgrade............166 Local Update............167 Remote Update............168 System Time.............169 Ping..............170 Telnet..............171 USB Users...............172 Chapter 5. Operation Guidelines........174 Safety Instructions............174 Wireless Installation Considerations........175 Creating Two Connections on One Channel........176...

  • Page 5: 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-2750U and configure a PC in order to access its web-based interface.

  • Page 6: Chapter 2. Overview

    Now you can simply update the firmware: the router itself finds approved firmware on D-Link update server and notifies when ready to install it. 1 Not included in the delivery package. D-Link does not guarantee compatibility with all USB modems. For the list of supported USB modems, see the Specifications* section, page 7.

  • Page 7: Specifications

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Overview User Manual Specifications Hardware Interfaces · RJ-11 ADSL port · 4 10/100BASE-TX LAN ports · USB 2.0 port LEDs · POWER · · INTERNET · WLAN · LAN 1-4 ·...
  • Page 8 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Overview User Manual Software · Network functions DHCP server/relay · DHCPv6 server (Stateful/Stateless), IPv6 prefix delegation · DNS relay · Support of DNSv6 AAAA records · Dynamic DNS ·...
  • Page 9 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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) ·...
  • Page 10 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Overview User Manual Supported USB modems · Alcatel X500 · D-Link DWM-152C1 · D-Link DWM-156A6 · D-Link DWM-156A7 · D-Link DWM-156C1 · D-Link DWM-157B1 · D-Link DWM-157B1 (Velcom) ·...

  • Page 11: Product Appearance

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Overview User Manual Product Appearance Front Panel Figure 1. Front panel view. Mode Description Solid green The router is powered on. POWER The router is powered off; after powering on: the router is in the crash No light recovery mode.
  • Page 12 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Overview User Manual Mode Description Blinking green The router's WLAN is on. WLAN No light The router's WLAN is off. A device is connected to the port of the router (for the LAN port...

  • Page 13: Side Panel

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 14: Back Panel

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 15: Delivery Package

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

  • Page 16: Chapter 3. Installation And Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual CHAPTER 3. INSTALLATION AND CONNECTION Before You Begin Please, read this manual prior to installing the device. Make sure that you have all the necessary information and equipment.
  • Page 17 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual USB Modem To connect to an LTE, 3G GSM or CDMA network, you should use a USB modem. Connect it to the USB port of the router, then access the web-based interface of the router, and you will be able to...

  • Page 18: Connecting To Pc

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 19: Obtaining Ip Address Automatically In Os Windows Xp

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 20 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 21 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 22: Obtaining Ip Address Automatically In Os Windows 7

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 23 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 24 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 25 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 26 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 27: Pc With Wi-Fi Adapter

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual PC with Wi-Fi Adapter 1. To connect via USB modem: connect your USB modem to the USB port located on the left side panel of the router.

  • Page 28: Configuring Wi-Fi Adapter In Os Windows Xp

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 29: Configuring Wi-Fi Adapter In Os Windows 7

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 30 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual 6. In the opened window, in the list of available wireless networks, select the wireless network DSL-2750U and click the Connect button. Figure 15. The list of available networks.

  • Page 31: 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-2750U 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 32 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 33: Web-Based Interface Structure

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 33 of 181...
  • Page 34 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.

  • Page 35: Menu Sections

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual Menu Sections To configure the router use the menu in the left part of the page. The Monitoring section provides an interactive scheme which illustrates the router's settings and the LAN structure.

  • Page 36: Notifications And System Drop-Down Menu

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 37 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 38 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual Control Description Click the icon to exit the web-based interface. Logout Page 38 of 181...

  • Page 39: Chapter 4. Configuring Via Web-Based Interface

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 40 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 41 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 42 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 43: Click'n'connect

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 44 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 25. The page for selecting a 3G network operator. On the opened page, from the Provider drop-down list, select your country and operator if you are...
  • Page 45 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 27. 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 46: Creating Wan Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.

  • Page 47: Ipv6 Pppoe Or Pppoe Dual Stack Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual IPv6 PPPoE or PPPoE Dual Stack Connection Figure 29. Configuring IPv6 PPPoE WAN connection. In the Connection name field, specify a name for the connection for easier identification.

  • Page 48: Ipoa Or Static Ip Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual IPoA or Static IP Connection Figure 30. Configuring Static IP WAN connection. In the Connection name field, specify a name for the connection for easier identification.

  • Page 49: Dynamic Ip Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Dynamic IP Connection Figure 31. Configuring Dynamic IP WAN connection. In the Connection name field, specify a name for the connection for easier identification.

  • Page 50: Static Ipv6 Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Static IPv6 Connection Figure 32. Configuring Static IPv6 WAN connection. In the Connection name field, specify a name for the connection for easier identification.

  • Page 51: Dynamic Ipv6 Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Dynamic IPv6 Connection Figure 33. Configuring Dynamic IPv6 WAN connection. In the Connection name field, specify a name for the connection for easier identification.

  • Page 52: Bridge Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Bridge Connection Figure 34. 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 53: 3G Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual 3G Connection Figure 35. Configuring 3G WAN connection. In the Connection name field, specify a name for the connection for easier identification. In the Username field, enter your login, and in the Password and Password confirmation fields –...

  • Page 54: Lte Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual LTE Connection For the USB modem Megafon M100-1, please reboot the router after finishing the Wizard. Figure 36. Configuring LTE WAN connection. In the Connection name field, specify a name for the connection for easier identification.

  • Page 55: Checking Internet Availability

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Checking Internet Availability On the page, you can check the WAN connection you have created. Figure 37. Checking the Internet availability. In the Result section, the status of the WAN connection and possible causes of malfunctions are displayed.

  • Page 56: Configuring Yandex.dns Service

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 38. Configuring the Yandex.DNS service.

  • Page 57: Configuring Wireless Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Configuring Wireless Connection Figure 39. 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 58 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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. Changing the name of the wireless LAN.
  • Page 59 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 60: Wireless Network Settings Wizard

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 61 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 43. Page for changing the name of the wireless LAN.
  • Page 62 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 63: Virtual Server Settings Wizard

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 64 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 65: Status

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 66: Dsl Status

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.

  • Page 67: Dhcp

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 68: Routing Table

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.

  • Page 69: Clients

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.

  • Page 70: Multicast Groups

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 71: Net

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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).

  • Page 72: Creating Adsl Wan Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating ADSL WAN Connection Figure 53. The page for creating a new connection. The General settings and ATM sections. Parameter Description General settings Provider Leave the Manually value.
  • Page 73 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Virtual Path Identifier. The valid range is from 0 to 255. Virtual Circuit Identifier. The valid range is from 32 to 65535.
  • Page 74 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description (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 75 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The Miscellaneous section is displayed for all connection types except for Bridge. Figure 55. The page for creating a new connection. The Miscellaneous section.
  • Page 76 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 56. The page for creating a new connection. The PPP section.
  • Page 77 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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...
  • Page 78 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 79 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 58. The page for creating a new connection. The IPv6, IPv6 gateway, and IPv6 DNS addresses sections.

  • Page 80: Creating Ethernet Wan Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 120).
  • Page 81 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 82 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The Miscellaneous section is displayed for all connection types except for Bridge. Figure 60. The page for creating a new connection. The Miscellaneous section.
  • Page 83 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The PPP section is displayed for the PPPoE, IPv6 PPPoE, or PPPoE Dual Stack connection types. Figure 61. The page for creating a new connection. The PPP section.
  • Page 84 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 85 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 86 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 63. The page for creating a new connection. The IPv6, IPv6 gateway, and IPv6 DNS addresses sections.

  • Page 87: Creating 3G Wan Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating 3G WAN Connection If the PIN code check is enabled for the SIM card inserted into your USB modem, then prior to creating a 3G WAN connection, proceed to the 3G/LTE modem / PIN menu and enter the PIN code on the page displayed (see the 3G/LTE Modem section, page 141).
  • Page 88 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 65. The page for creating a new connection. The USB modem section. Parameter Description USB modem The value of the field specifies the type of the network to which the router connects.
  • Page 89 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description A number dialed to connect to the authorization server of the Dial number operator. Authentication Select a required authentication method from the drop-down list or algorithm leave the AUTO value.

  • Page 90: Creating Lte Wan Connection

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating LTE WAN Connection For the USB modem Megafon M100-1, please reboot the router after creating the WAN connection. To create a connection of the LTE type, click the Add button on the Net / WAN page. On the opened page, select the relevant value from the Connection Type drop-down list and specify the needed values.
  • Page 91 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 69. The page for creating a new connection. The USB modem section. Parameter Description USB modem The value of the field specifies the type of the network to which the router connects.
  • Page 92 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 71. The page for creating a new connection. The Miscellaneous section. Parameter Description Miscellaneous Select the checkbox if you want one WAN IP address to be used for all computers of your LAN.

  • Page 93: Lan

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual To configure the router's local interface, proceed to the Net / LAN page. Figure 72. Basic settings of the local interface. If needed, edit the basic settings of the local interface.
  • Page 94 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 95 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 State mode prefix.

  • Page 96: Qos

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual This section is designed to enable the QoS features, create rules for prioritizing upstream traffic, and specify the maximum data transfer rate for each queue.
  • Page 97 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 77. The page for adding a rule for prioritizing upstream traffic. You can specify the following parameters: Parameter Description Setting rules Enable/disable If the checkbox is selected, the rule is enabled.
  • Page 98 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Select one of the ports to traffic from which the rule will be applied or select the All LAN interfaces value to apply the rule to traffic passing through all the router's ports.
  • Page 99 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Marking traffic Only for the values LAN, Ethertype, MAC, and IP of the Type filter drop-down list. Differentiated Services Codepoint. A priority tag for a packet transmitted. Select the relevant value...

  • Page 100: Queue

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Queue On the Net / QoS / Queue page, you can specify the maximum data transfer rate for each queue. Figure 78. The Net / QoS / Queue page.

  • Page 101: 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-2750U is SSID specified. It is recommended to specify another name for the network upon initial configuration (use digits and Latin characters).
  • Page 102 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 103: Security Settings

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 80. The default security settings.
  • Page 104 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 105 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 82. The WPA-PSK/WPA2-PSK mixed value is selected from the Network Authentication drop- down list.

  • Page 106: Mac Filter

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 107 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 84. 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 108: List Of Wi-Fi Clients

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.

  • Page 109: Wps

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 110 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 111: Using Wps Function Via Web-Based Interface

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 112 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 113: Additional Settings

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 87.
  • Page 114 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 115: Advanced

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 116: Upnp Igd

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 117: Interface Grouping

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 118 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 90. 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 119 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 120: Etherwan

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 121: Ddns

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 122 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 123: Routing

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 124: Ipv6 Routing

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 125 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description An IPv6 address through which the destination network can be Gateway accessed. The field is available when the <Auto> value is selected from the Via Interface drop-down list of this line.

  • Page 126: Adsl

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 127: Remote Access To Device

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 128 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 129: Miscellaneous

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 130 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual To disable the SIP ALG function, deselect the SIP checkbox and click the Apply button. To enable RTSP, select the RTSP checkbox and click the Apply button. Such a setting allows managing media stream: fast forward streaming audio/video, pause and start it.

  • Page 131: Tr-069 Client

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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).
  • Page 132 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 133: Firewall

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 134 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 101. 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 135 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 136: Virtual Servers

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 137 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 138: Dmz

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 139: Mac Filter

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 105. The Firewall / MAC filter page.
  • Page 140 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 106. 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 141: 3G/Lte Modem

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual 3G/LTE Modem This menu is designed to operate USB modems. If the PIN code check for the SIM card inserted into your USB modem is not disabled, proceed to the 3G/LTE modem / PIN section.

  • Page 142: Information

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Information On the 3G/LTE modem / Information page, you can view data on the USB modem connected to the router. Figure 108. The 3G/LTE modem / Information page.

  • Page 143: Pin

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual On pages of the 3G/LTE modem / PIN section, you can change the PIN code of the identification card inserted into your USB modem, disable or enable the check of the PIN code.
  • Page 144 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 110. The 3G/LTE modem / PIN / Changing PIN code page. Enter the current code in the PIN code field, then enter a new code in the New PIN code and New PIN code confirmation fields and click the Apply button.

  • Page 145: Usb Storage

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual USB Storage This menu is designed to operate USB storages. Here you can do the following: view data on the connected USB storage •...

  • Page 146: Filebrowser

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual To disconnect one volume of the storage, select the needed value from the USB storage drop- down list and click the Unmount volume button.

  • Page 147: Print Server

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Print Server On the USB storage / Print-server page, you can configure the router as a print server. Being configured in this way, the router will allow your LAN users to share the printer connected to the USB port of the router.

  • Page 148: Samba

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Samba On the USB storage / Samba page, you can enable the built-in Samba server of the router to provide access to the USB storage for users of your LAN.

  • Page 149: Ftp

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual On the USB storage / FTP page, you can enable the built-in FTP server of the router to provide access to the USB storage for users of your LAN.

  • Page 150: Dlna

    60 seconds. In the DLNA server name field, specify a new name of the DLNA server for easier identification in your LAN or leave the value specified by default (D-Link DLNA Server). Use digits and/or Latin characters.
  • Page 151 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual For each folder you can define the type of files which will be available for users of your LAN. To do this, select the needed type of files from the Type drop-down list. To share all files of a folder, select the All value from the Type drop-down list.

  • Page 152: Transmission

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Transmission In this menu you can configure the built-in Transmission torrent client and manage distributing and downloading processes. Transmission Settings On the Transmission / Transmission settings page, you can configure all needed settings for the built-in Transmission client.
  • Page 153 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description The port on which the web-based interface of the Transmission Web-interface port client is available. The maximum number of files which clients can download Open files limit simultaneously.
  • Page 154 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Using the web-based interface of the built-in Transmission torrent client you can manage the process of downloading files to the USB storage connected to the router.

  • Page 155: Control

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 156 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 120. 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 157: Yandex.dns

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 158 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual When the checkbox is selected, the Default mode selection section is displayed on the page. Select the needed choice of the radio button to configure filtering for all devices of the router's...
  • Page 159 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 160: System

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 161: Administrator Password

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 162: Configuration

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 163 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Control Description Click the button and follow the dialog box appeared to select a Browse previously saved configuration file (all settings of the router) located on your PC and upload it.

  • Page 164: System Log

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 165 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 166: Firmware Upgrade

    Figure 127. 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 167: Local Update

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 168: Remote Update

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 169: System Time

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 170: Ping

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 171: Telnet

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 172: Usb Users

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual USB Users On the System / USB users page, you can create user accounts to provide access to data on the USB storage connected to the router.
  • Page 173 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual On the opened page, in the Login field, specify a username, and in the Password and Password confirmation fields – the password for the account. You can use letters of the Latin alphabet (uppercase and/or lowercase) and digits.

  • Page 174: Chapter 5. Operation Guidelines

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 175: 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-2750U 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 176: Creating Two Connections On One Channel

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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 177: Ethernet Wan Connections

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
  • Page 178 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Operation Guidelines User Manual 10. Click the Add button again. 11. Select the Dynamic IP value from the Connection Type drop-down list. 12. Select the LAN3 value from the Interface drop-down list.

  • Page 179: Chapter 6. Abbreviations And Acronyms

    DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Abbreviations and Acronyms User Manual CHAPTER 6. ABBREVIATIONS AND ACRONYMS Third Generation Advanced Encryption Standard Address Resolution Protocol BSSID Basic Service Set Identifier Complementary Code Keying CDMA Code Division Multiple Access...
  • Page 180 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Abbreviations and Acronyms User Manual Link Control Protocol Long Term Evolution Media Access Control Maximum Transmission Unit Network Address Translation Network Time Protocol OFDM Orthogonal Frequency Division Multiplexing Push Button Configuration...
  • Page 181 DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Abbreviations and Acronyms User Manual VLAN Virtual Local Area Network Virtual Path Identifier Wide Area Network Wired Equivalent Privacy Wi-Fi Wireless Fidelity WLAN Wireless Local Area Network Wi-Fi Protected Access...

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