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 Top Panel..............11 Back and Bottom Panels...........13 Delivery Package............14 Chapter 3. Installation and Connection......15 Before You Begin............15...
Page 3
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port User Manual Connections Setup............64 WAN..............64 Creating Dynamic IPv4, Static IPv4, or IPoA WAN Connection.....66 Creating Dynamic IPv6 or Static IPv6 WAN Connection....73 Creating PPPoE or PPPoA WAN Connection.........80 Creating PPPoE IPv6 or PPPoE Dual Stack WAN Connection....88 Creating Bridge WAN Connection.........97...
Page 4
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port User Manual System..............186 Configuration............187 Firmware Update............189 Local Update............190 Remote Update............191 Log..............192 Ping..............195 Traceroute..............197 Telnet..............199 System Time.............200 Yandex.DNS..............202 Settings..............202 Devices and Rules............204 Chapter 5. Operation Guidelines........206 Safety Rules and Conditions..........206 Wireless Installation Considerations........207...
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.
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.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Overview User Manual Specifications Hardware Processor · RTL8676S · 32MB, SDRAM · Flash 8MB, SPI Interfaces · RJ-11 ADSL port · 4 10/100BASE-TX LAN ports · USB 2.0 port ·...
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 · Stateful/Stateless mode for IPv6 address assignment, IPv6 prefix delegation · DNS relay · Dynamic DNS · Static IP routing ·...
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/Enterprise) · МАС filter · WPS (PBC/PIN) ·...
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 156A8 · D-Link DWM-156C1 · D-Link DWM-157B1 ·...
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Overview User Manual Product Appearance Top Panel Figure 1. Top panel view. Mode Description Solid green The router is powered on. Blinking green The firmware is being updated. POWER Solid red The router is being loaded.
Page 12
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Overview User Manual Mode Description A device is connected to the port of the router (for Solid green the LAN port configured as the WAN port: the router is connected to an Ethernet line).
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Overview User Manual Back and Bottom Panels Figure 2. 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 LAN 1-4 connect to a private Ethernet line.
• “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.
Operating System Configuration of the LTE/3G/ADSL/Ethernet router DSL-2750U with Wi-Fi and built-in switch (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
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 or 3G 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 configure a connection to the Internet Your USB modem should be equipped with an active SIM card of your operator.
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.
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 19
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 4. The Local Area Connection Properties window.
Page 20
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 5. The Internet Protocol (TCP/IP) Properties window.
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 22
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 7. The Network and Sharing Center window.
Page 23
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 8. The Network Connections window.
Page 24
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 25
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 10. The Internet Protocol Version 4 (TCP/IPv4) Properties window.
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 back panel of the router.
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.
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 29
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 14. The list of available networks.
Press the Enter key. Figure 15. 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 31
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual If you configured the device previously, after access to the web-based interface the login page opens. Enter the username (admin) in the Username field and the password you specified in the Password field, then click the LOGIN button.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual Web-based Interface Structure Summary Page On the Summary page, detailed information on the device state is displayed. Figure 18. The summary page. Page 32 of 210...
Page 33
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual The Device Information section displays the model and hardware version of the router, the firmware version, and other data. To contact the technical support group (to send an e-mail), left-click the support e-mail address.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual Home Page The Home page displays links to the most frequently used pages with device's settings. Figure 19. The Home page. Other settings of the router are available in the menu in the left part of the page.
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. In the Initial Configuration section you can run the Initial Configuration Wizard. The Wizard...
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Installation and Connection User Manual Notifications The router's web-based interface displays notifications in the top right part of the page. Figure 20. The web-based interface notifications. Click the icon displaying the number of notifications to view the complete list and click the relevant button.
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 Initial Configuration Wizard To start the Initial Configuration Wizard, go to the Initial Configuration section. On the opened page, click the OK button and wait until the factory default settings are restored.
Page 38
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual You can finish the wizard earlier and go to the menu of the web-based interface. To do this, click the ADVANCED SETTINGS button. On the opened page, change the default settings: specify the administrator password in the Admin password field and the name of the wireless network in the Network name (SSID) field.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Selecting Operation Mode In order to connect your device to an ADSL line, on the Device mode page, from the Connection method list, select the ADSL value. In this mode you can configure a WAN connection, set your own settings for the wireless network, configure LAN ports to connect an STB or VoIP phone, and set your own password for access to the web-based interface of the device.
Page 40
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In order to connect your device to the network of a 3G or LTE operator, on the Device mode page, from the Connection method list, select the 3G/LTE modem value. In this mode you can configure a 3G/LTE WAN connection, set your own settings for the wireless network, and set your own password for access to the web-based interface of the device.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating 3G/LTE WAN Connection This configuration step is available for the 3G/LTE modem mode. 1. If the PIN code check is enabled for the SIM card inserted into your USB modem, enter the PIN code in the PIN field and click the APPLY button.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Selecting Ethernet WAN Port This configuration step is available for the Ethernet (LAN) connection method. 1. On the Device connection page, select a LAN port that will be used as the WAN port.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating WAN Connection You should configure your WAN connection in accordance with data provided by your Internet service provider (ISP). Make sure that you have obtained all necessary information prior to configuring your connection.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Static IPv4 or IPoA Connection Figure 30. The page for configuring Static IPv4 WAN connection. The IPoA connection type is available for the ADSL connection method only.
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 31. The page for configuring Static IPv6 WAN connection. Fill in the following fields: IP address, Prefix and Gateway IP address.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual PPPoE, PPPoA, IPv6 PPPoE, PPPoE Dual Stack Connections Figure 32. The page for configuring PPPoE WAN connection. The PPPoA connection type is available for the ADSL connection method only.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Configuring Wireless Network 1. On the Wireless Network 2.4 GHz page, in the Network name field, specify your own name for the wireless network or leave the value suggested by the router.
Page 48
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual 4. If you want to create an additional wireless network isolated from your LAN, select the Enable guest network checkbox. Figure 34. The page for configuring the wireless network.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Configuring LAN Ports for IPTV/VoIP 1. On the IPTV page, select the Is an STB connected to the device checkbox. Figure 35. The page for selecting a LAN port to connect an IPTV set-top box.
Page 50
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual 6. On the VoIP page, select the Is an IP phone connected to the device checkbox. Figure 36. The page for selecting a LAN port to connect an VoIP phone.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Changing Web-based Interface Password On this page, you should change the default administrator password. You may set any password except admin. Use digits, Latin letters (uppercase and/or lowercase), and other characters available in the US keyboard layout.
Page 52
If problems of connection have not been solved, contact the technical support of your ISP (as a rule, the technical support phone is provided with the agreement) or the D-Link technical support (the phone number will be displayed on the page after several attempts of checking the connection).
The Multimedia Devices Connection Wizard helps to configure LAN ports or available wireless interfaces of the router for connecting additional devices, for example, an IPTV set-top box or IP phone. Contact your ISP to clarify if you need to configure DSL-2750U in order to use these devices.
Page 54
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the WAN section, click the Add icon ( Figure 40. Adding a connection. You can specify the following parameters: Parameter Description A name for the connection for easier identification (you can specify Name any name).
Page 55
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description (Unspecified Bit Rate with Peak Cell Rate): The UBR service is used for applications that allow various delays and losses of packets. The Peak Cell Rate is a determining factor in how often cells are sent in an effort to minimize lag or jitter caused by traffic inconsistencies.
Page 56
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The selected port or wireless interface cannot use the default connection to access the Internet. To deselect the port or wireless interface, select the No value from the Bridged with drop-down list of the element corresponding to the needed LAN port or interface.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Statistics The pages of this section display data on the current state of the router: network statistics • IP addresses leased by the DHCP server •...
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual DHCP The Statistics / 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).
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Routing Table The Statistics / Routing Table page displays the information on routes. The table contains destination IP addresses, gateways, subnet masks, and other data.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Clients On the Statistics / Clients page, you can view the list of devices connected to the local network of the router. Figure 44. The Statistics / Clients page.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Multicast Groups The Statistics / 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.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Clients and Session On the Statistics / Clients and Session page, you can view information on current sessions in the router's network. For each session the following data are displayed: the protocol for network packet transmission, the source IP address and port, and the destination IP address and port.
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 the Statistics / DSL Status page can be used for troubleshooting and diagnosing connection problems. In the DSL status and Line sections you can view data on your DSL line: the line state, data transfer rate (downstream/upstream traffic), physical parameters of the line (SNR, output power).
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Connections Setup 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 65
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 49. The Connections Setup / WAN page. The advanced mode. To create a new connection, click the ADD button in the Connections List section. Upon that the connection creation page opens.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating Dynamic IPv4, Static IPv4, or IPoA WAN Connection On the connection creation page, go to the All Settings tab. Then select the relevant value from the Connection Type drop-down list and specify the needed values.
Page 67
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The Ethernet section is displayed for Ethernet WAN connections. Figure 51. The page for creating a new Static IPv4 connection. The Ethernet section.
Page 68
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The ATM section is displayed for ADSL WAN connections. Figure 52. The page for creating a new Static IPv4 connection. The ATM section.
Page 69
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description audio (telephony), audio/video distribution (television, distance education, e-shops), and retrieval (video-on demand, audio libraries). When you select this value from the drop-down list, the Peak Cell Rate field is displayed.
Page 70
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 53. The page for creating a new Static IPv4 connection. The IPv4 section. Parameter Description IPv4 For Static IPv4 and IPoA types IP Address Enter an IP address for this WAN connection.
Page 71
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 54. The page for creating a new Static IPv4 connection. The Miscellaneous section. Parameter Description Miscellaneous If the switch is moved to the right, the network address translation function is enabled.
Page 72
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The VLAN section is displayed for the Dynamic IPv4 and Static IPv4 types. Figure 55. The page for creating a new Static IPv4 connection. The VLAN section.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating Dynamic IPv6 or Static IPv6 WAN Connection On the connection creation page, go to the All Settings tab. Then select the relevant value from the Connection Type drop-down list and specify the needed values.
Page 74
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The Ethernet section is displayed for Ethernet WAN connections. Figure 57. The page for creating a new Static IPv6 connection. The Ethernet section.
Page 75
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The ATM section is displayed for ADSL WAN connections. Figure 58. The page for creating a new Static IPv6 connection. The ATM section.
Page 76
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description audio (telephony), audio/video distribution (television, distance education, e-shops), and retrieval (video-on demand, audio libraries). When you select this value from the drop-down list, the Peak Cell Rate field is displayed.
Page 77
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 59. The page for creating a new Static IPv6 connection. The IPv6 section. Parameter Description IPv6 For Static IPv6 type IPv6 address Enter an IPv6 address for this WAN connection.
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 Primary IPv6 DNS Enter addresses of the primary and secondary IPv6 DNS servers in server/Secondary IPv6 the relevant fields. DNS server Figure 60.
Page 79
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 61. The page for creating a new Static IPv6 connection. The VLAN section. Parameter Description VLAN Move the switch to the right to allow the router to use tagged VLAN Use VLAN connections.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating PPPoE or PPPoA WAN Connection On the connection creation page, go to the All Settings tab. Then select the relevant value from the Connection Type drop-down list and specify the needed values.
Page 81
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The Ethernet section is displayed for Ethernet WAN connections. Figure 63. The page for creating a new PPPoE connection. The Ethernet section. Parameter...
Page 82
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The ATM section is displayed for ADSL WAN connections. Figure 64. The page for creating a new PPPoE connection. The ATM section. Parameter Description Virtual Path Identifier.
Page 83
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description audio (telephony), audio/video distribution (television, distance education, e-shops), and retrieval (video-on demand, audio libraries). When you select this value from the drop-down list, the Peak Cell Rate field is displayed.
Page 84
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 PPPoE connection. The PPP section. Parameter Description Move the switch to the right if you don't need to enter a username Without authorization and password to access the Internet.
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 Authentication Select a required authentication method from the drop-down list or protocol leave the AUTO value. Move the switch to the right if you want the router to...
Page 86
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 66. The page for creating a new PPPoE connection. The Miscellaneous section. Parameter Description Miscellaneous If the switch is moved to the right, the network address translation function is enabled.
Page 87
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The VLAN section is displayed for the PPPoE type. Figure 67. The page for creating a new PPPoE connection. The VLAN section. Parameter...
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating PPPoE IPv6 or PPPoE Dual Stack WAN Connection On the connection creation page, go to the All Settings tab. Then select the relevant value from the Connection Type drop-down list and specify the needed values.
Page 89
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The Ethernet section is displayed for Ethernet WAN connections. Figure 69. The page for creating a new PPPoE IPv6 connection. The Ethernet section.
Page 90
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The ATM section is displayed for ADSL WAN connections. Figure 70. The page for creating a new PPPoE IPv6 connection. The ATM section.
Page 91
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description audio (telephony), audio/video distribution (television, distance education, e-shops), and retrieval (video-on demand, audio libraries). When you select this value from the drop-down list, the Peak Cell Rate field is displayed.
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 PPPoE IPv6 connection. The PPP section. Parameter Description Move the switch to the right if you don't need to enter a username Without authorization and password to access the Internet.
Page 93
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Move the switch to the right if you want the router to keep you connected to your ISP even when the connection has been inactive Keep Alive for a specified period of time.
Page 94
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 72. The page for creating a new PPPoE Pv6 connection. The IP section. Parameter Description Select a method for IPv6 address assignment from the drop-down Get IPv6 list or leave the Automatically value.
Page 95
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 73. The page for creating a new PPPoE IPv6 connection. The Miscellaneous section. Parameter Description Miscellaneous For the PPPoE Dual Stack type only.
Page 96
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 74. The page for creating a new PPPoE IPv6 connection. The VLAN section. Parameter Description VLAN Move the switch to the right to allow the router to use tagged VLAN Use VLAN connections.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Creating Bridge WAN Connection On the connection creation page, go to the All Settings tab. Then select the relevant value from the Connection Type drop-down list and specify the needed values.
Page 98
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The Ethernet section is displayed for Ethernet WAN connections. Figure 76. The page for creating a new Bridge connection. The Ethernet section. Parameter...
Page 99
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The ATM section is displayed for ADSL WAN connections. Figure 77. The page for creating a new Bridge connection. The ATM section. Parameter Description Virtual Path Identifier.
Page 100
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description audio (telephony), audio/video distribution (television, distance education, e-shops), and retrieval (video-on demand, audio libraries). When you select this value from the drop-down list, the Peak Cell Rate field is displayed.
Page 101
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 78. The page for creating a new Bridge connection. The VLAN section. Parameter Description VLAN Move the switch to the right to allow the router to use tagged VLAN Use VLAN connections.
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...
Page 103
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 80. The page for creating a new 3G 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 104
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Move the switch to the right if your operator does not require Without authorization authorization. Username A username (login) to connect to the network of the operator.
Page 105
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 82. The page for creating a new 3G connection. The Miscellaneous section. Parameter Description Miscellaneous If the switch is moved to the right, the network address translation function is enabled.
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. If the PIN code check is enabled for the SIM card inserted into your USB modem, then prior to...
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 creating a new LTE 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 108
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 85. The page for creating a new LTE connection. The IPv4 section. Parameter Description IPv4 Obtain DNS server Move the switch to the right to configure automatic assignment of addresses DNS server addresses.
Page 109
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 86. The page for creating a new LTE connection. The Miscellaneous section. Parameter Description Miscellaneous If the switch is moved to the right, the network address translation function is enabled.
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, go to the Connections Setup / LAN page. IPv4 Go to the IPv4 tab to change IPv4 address, configure the built-in DHCP server, or specify MAC address and IP address pairs.
Page 111
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Dynamic IP Addresses An operating mode of the router's DHCP server. Disable: the router's DHCP server is disabled, clients' IP addresses are assigned manually.
Page 112
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the Static IP Addresses section, you can specify MAC address and IP address pairs (set a fixed IPv4 address in the local area network for a device with a certain MAC address). The router...
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual IPv6 Go to the IPv6 tab to change IPv6 address of the router and configure IPv6 addresses assignment settings. Figure 90. Configuring the local interface. The IPv6 tab. The Local IPv6 Address section.
Page 114
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 91. Configuring the local interface. The IPv6 tab. The Dynamic IPv6 Addresses section. Parameter Description Dynamic IPv6 Addresses Select the needed value from the drop-down list.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual WAN Reservation On the Connections Setup / WAN Reservation page, you can enable the WAN backup function, which provides you with uninterrupted access to the Internet. When your main connection breaks down, the router activates the backup connection;...
Page 116
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 of requests that will be sent in order to analyze the status Number of inspections of the main connection when the connection is active (the router of active connection uses the main connection as a default gateway).
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Wi-Fi In this menu you can specify all needed settings for your wireless network. Basic Settings In the Wi-Fi / Basic Settings section, you can change basic parameters for the wireless interface of the router and configure the basic and additional wireless networks.
Page 118
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the General Settings section, the following parameters are available: Parameter Description To enable Wi-Fi connection, move the switch to the right. Enable Wireless To disable Wi-Fi connection, move the switch to the left.
Page 119
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Also you can create an additional wireless network. To do this, click the ADD WI-FI NETWORK button. On the opened page, specify the relevant parameters.
Page 120
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Wi-Fi Network A name for the wireless network. The name can consist of digits and Network name (SSID) Latin characters. If the switch is moved to the right, other users cannot see your Wi-Fi Hide SSID network.
Page 121
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the Security Settings section, you can change security settings of the wireless network. By default, the WPA2-PSK network authentication type of the wireless network is specified. WPS PIN from the barcode label is used as the network key.
Page 122
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Authentication type Description A mixed type of authentication. When this value is selected, devices WPA-PSK/WPA2-PSK using the WPA-PSK authentication type and devices using the...
Page 123
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description For Open authentication type only. To activate WEP encryption, move the switch to the right. Upon that Enable encryption WEP the WEP type and Default key ID drop-down lists, the Encryption key WEP as HEX switch, and four Encryption key fields are displayed on the page.
Page 124
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 following fields are displayed on the page: Figure 97. The WPA2-PSK value is selected from the Network authentication drop-down list.
Page 125
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual When the WPA, WPA2, or WPA/WPA2 mixed value is selected, the following settings are displayed on the page: Figure 98. The WPA2 value is selected from the Network authentication drop-down list.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Client Management On the Wi-Fi / Client Management page, you can view the list of wireless clients connected to the router. Figure 99. The page for managing the wireless clients.
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 configuration of the WLAN and select a method for connection to the WLAN.
Page 128
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual When the WPS function is enabled, the Information section is available on the page. Parameter Description The state of the WPS function: Configured (all needed settings are specified; these settings •...
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 connect to the basic wireless network via the PIN method of the WPS function, follow the next steps: 1.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Using WPS Function without Web-based Interface You can use the WPS function without accessing the web-based interface of the router. To do this, you need to configure the following router's settings: 1.
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 / WMM page, you can enable the Wi-Fi Multimedia function. The WMM function implements the QoS features for Wi-Fi networks. It helps to improve the quality of data transfer over Wi-Fi networks by prioritizing different types of traffic.
Page 132
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The WMM function allows assigning priorities for four Access Categories (AC): BK (Background), low priority traffic (print jobs, file downloads, etc.). • BE (Best Effort), traffic from legacy devices or devices/applications that do not support •...
Page 133
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Transmission Opportunity. The higher the value, the higher is the TXOP Access Category priority. Admission Control Mandatory. If the switch is moved to the right, the device cannot use the relevant Access Category.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Additional On page of the Wi-Fi / Additional section, you can define additional parameters for the WLAN of the router. Changing parameters presented on this page may negatively affect your WLAN! Figure 103.
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 The 802.11b and 802.11g protection function is used to minimize collisions between devices of your wireless network. Select a value from the drop-down list.
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 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 137
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 105. The window for adding a rule for the MAC filter. You can specify the following parameters: Parameter Description A wireless network to which the rule will be applied. Select the SSID needed value from the drop-down list.
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 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.
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 •...
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 USB Storage / USB Users page, you can create user accounts to provide access to data on the USB storage connected to the router.
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 142
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual To allow access only to a certain folder of the USB storage, click the ADD button in the Directories section. Figure 111. Specifying a folder.
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 144
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual To disable the built-in FTP server of the router, move the Enable FTP server switch to the left and click the APPLY button.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Filebrowser On the USB Storage / Filebrowser page, you can view the content of your USB storage connected to the router and remove separate folders and files from the USB storage.
USB storage, or leave the value specified by default (900). In the DLNA server name field, specify a name of the DLNA server which will be displayed for users of your LAN or leave the value specified by default (D-Link DLNA Server). Use digits and/or Latin characters.
Page 147
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 115. Specifying a media folder. In the opened window, locate a folder containing files. To do this, click the Search icon ( ) in the Path field.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Torrent Client On the USB Storage / Torrent Client page, you can configure all needed settings for the built-in Transmission client. Figure 116. The USB Storage / Torrent Client page.
Page 149
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Locate data of the Transmission client. To do this, click the Search Path ), select the needed value, and click the SELECT button.
Page 150
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 117. The web-based interface of the Transmission torrent client. 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 151
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Click the button to restart all downloads. If you limited the maximum number of simultaneous downloads, the Transmission client starts processing of the specified number of torrent files; after...
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual USB 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, the relevant notification will be displayed in the top right corner of the page.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Basic Settings On the USB Modem / Basic Settings page, you can view data on the USB modem connected to the router and enable/disable the function for automatic creation of 3G/LTE WAN connection upon plugging a USB modem into the router.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description The signal level at the input of the modem's receiver. The zero Signal level signal level shows that you are out of the coverage area of the selected operator's network.
Page 155
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual To disable the PIN code check, in the PIN Code Request section, enter the current PIN code in the PIN code field and click the DISABLE button (the button is displayed if the PIN code check is enabled).
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: define interface groups • allow the router to connect to a private Ethernet line •...
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 create groups consisting of interfaces and ports of the router, for example, for distinguishing different types of traffic. Such a function is mostly used in Triple-play networks.
Page 158
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, you can specify the following parameters: Parameter Description A name for the group for easier identification. You can specify any Name name.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual WAN Remapping On the Advanced / WAN Remapping 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.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual On the Advanced / DNS page, you can add DNS servers to the system. Figure 126. 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 161
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 127. The window for adding a DNS record. In the IP address field, specify a host from the internal or external network. You can choose a device connected to the router's LAN at the moment.
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 163
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the opened window, you can specify the following parameters: Parameter Description Host name The full domain name registered at your DDNS provider.
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 165
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the opened window, you can specify the following parameters: Parameter Description Protocol A protocol that the route will use. From the drop-down list, select an interface through which the destination network can be accessed.
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 167
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Inform settings Move the switch to the right so the router may send reports (data on Enable the device and network statistics) to the ACS.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Remote Access On the Advanced / Remote Access 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 169
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the opened window, you can specify the following parameters: Parameter Description A name for the rule for easier identification. You can specify any Name name.
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.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual xDSL The Advanced / xDSL 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.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual IGMP On the Advanced / IGMP page, you can allow the router to use IGMP. 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...
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual ALG/Passthrough On the Advanced / ALG/Passthrough page, you can allow the router to use RTSP, enable the SIP ALG and PPPoE/PPTP/L2TP/IPsec pass through functions.
Page 174
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The following elements are available on the page: Parameter Description Move the switch to the right to enable SIP. Such a setting allows using the SIP ALG function.
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 •...
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 140. The page for adding a rule for IP filtering. You can specify the following parameters: Parameter Description General Settings Move the switch to the right to enable the rule.
Page 177
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description A protocol for network packet transmission. Select a value from the Protocol drop-down list. An IP version to which the rule will be applied. Select the relevant IP version value from the drop-down list.
Page 178
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Set source port Move the switch to the right to specify a port of the source IP manually address manually. Upon that the Source port field is displayed.
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 180
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 General Settings A name for the virtual server for easier identification. You can Name specify any name.
Page 181
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 (start)/ end value for the port range.
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 router from the external network to a specified host of the internal network.
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 144. The Firewall / MAC Filter page.
Page 184
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the opened window, you can specify the following parameters: Parameter Description Move the switch to the right to enable the rule. Enable rule Move the switch to the left to disable the rule.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual URL Filter On the Firewall / URL Filter page, you can specify restrictions on access to certain web sites. Figure 146. The Firewall / URL Filter page.
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 • restore the factory default settings •...
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 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 188
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual The following buttons are also available on the page: Control Description Click the button to restore the factory default settings. Also you can...
To enable the automatic check for firmware updates, in the Remote update section, move the Check for updates automatically switch to the right 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.
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 update is completed. This may cause the device breakdown. To update the firmware of the router locally, follow the next steps: 1.
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 update is completed. This may cause the device breakdown. To update the firmware of the router remotely, follow the next steps: 1.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual On the System / Log page, you can set the system log options and configure sending the system log to a remote host and/or a USB storage connected to the router.
Page 193
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Parameter Description Logging Select a type of logging from the drop-down list. Local: the system log is stored in the router's memory. When •...
Page 194
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual To disable logging of the system events, move the Enable switch to the left and click the APPLY button. To view the system log, go to the Log tab.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port 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.
Page 196
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the opened window, in the Packet size field, specify the volume of data sent in a request. In the Time to wait for a response field, specify the response waiting period in seconds. To restore the default field values, click the DEFAULT SETTINGS button.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Traceroute On the System / Traceroute page, you can determine the route of data transfer to a host via the traceroute utility. Figure 153. The System / Traceroute page.
Page 198
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Figure 154. The System / Traceroute page. The additional settings window. In the opened window, you can specify the following parameters: Parameter Description Specify the TTL (Time to live) parameter value.
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. Access via TELNET is disabled by default. It is automatically enabled after changing the default administrator password.
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 201
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In some cases NTP servers addresses are provided by your ISP. In this case, you need to move the Get NTP server addresses using DHCP switch in the NTP Servers section to the right and click the APPLY button.
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, protects a computer against malicious web sites, and blocks access to adult web sites.
Page 203
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual When the service is enabled, the Default mode section is displayed on the page. Select the needed choice of the radio button to configure filtering for all devices of the router's network: Protection off: when this value is selected, the service provides the DNS server with no •...
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual Devices and Rules On the Yandex.DNS / Devices and Rules page, you can specify a filtering mode for each device separately. Figure 158. The Yandex.DNS / Devices and Rules page.
Page 205
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Configuring via Web-based Interface User Manual In the opened window, you can specify the following parameters: Parameter Description MAC address The MAC address of a device from the router's LAN.
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Operation Guidelines User Manual CHAPTER 5. OPERATION GUIDELINES Safety Rules and Conditions Please carefully read this section before installation and connection of the device. Make sure that the power adapter and cables are not damaged. The device should be used only as intended in accordance with the documents.
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).
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 Access Category Advanced Encryption Standard Address Resolution Protocol BSSID Basic Service Set Identifier Complementary Code Keying Cyclic Redundancy Check...
Page 209
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Abbreviations and Acronyms User Manual Local Area Network Logical Link Control Link Control Protocol Long Term Evolution Media Access Control Maximum Transmission Unit Network Address Translation Network Time Protocol...
Page 210
DSL-2750U Wireless ADSL2+ Router with 3G/LTE/Ethernet WAN Support and USB Port Abbreviations and Acronyms User Manual Virtual Circuit Virtual Circuit Identifier VLAN Virtual Local Area Network Virtual Path Identifier Wide Area Network Wired Equivalent Privacy Wi-Fi Wireless Fidelity WLAN Wireless Local Area Network...