D-Link DWR-921 User Manual

D-Link DWR-921 User Manual

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User Manual
DWR-921
4G LTE Router
October 2022

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Summary of Contents for D-Link DWR-921

  • Page 1 User Manual DWR-921 4G LTE Router October 2022...
  • Page 2: Table Of Contents

    DWR-921 4G LTE Router User Manual Contents Chapter 1. Introduction.........5 Contents and Audience............5 Conventions..............5 Document Structure............5 Chapter 2. Overview..........6 General Information............6 Specifications..............8 Product Appearance............12 Front Panel..............12 Back Panel...............14 Delivery Package............15 Chapter 3. Installation and Connection......16 Before You Begin............16 Connecting to PC............17 PC with Ethernet Adapter...........17...
  • Page 3 DWR-921 4G LTE Router User Manual Statistics..............67 Network Statistics............67 DHCP..............68 Routing..............69 Clients and Sessions.............71 Port Statistics............72 Multicast Groups............73 IPsec Statistics............74 Connections Setup............75 WAN..............75 Creating Dynamic IPv4 or Static IPv4 WAN Connection....77 Creating Dynamic IPv6 or Static IPv6 WAN Connection....80 Creating PPPoE WAN Connection..........83 Creating PPTP, L2TP, L2TP Dual Stack, or L2TP over IPsec WAN Connection.........88...
  • Page 4 DWR-921 4G LTE Router User Manual Advanced..............173 VLAN..............174 WAN Assignment............177 Using LAN Ports as WAN Ports..........177 Using WAN Port as LAN Port..........178 DNS..............179 DDNS..............181 Ports Settings............183 Redirect..............186 Routing..............187 TR-069 Client............189 Port Mirroring............191 UPnP..............193 UDPXY..............195 IGMP..............197 ALG/Passthrough............198 Firewall..............200 IP Filter...............200 Virtual Servers............205 DMZ..............209...
  • Page 5: Chapter 1. Introduction

    Chapter 2 gives an overview of the router's hardware and software features, describes its appearance and the package contents. Chapter 3 explains how to install the router DWR-921 and configure a PC in order to access its web-based interface. Chapter 4 describes all pages of the web-based interface in detail.
  • Page 6: Chapter 2. Overview

    WAN connection of different ISPs. In addition, you can configure the WAN failover using the built-in LTE modem. Also you are able to connect the wireless router DWR-921 to a cable or DSL modem or to a private Ethernet line and use a high-speed Internet connection to successfully fulfill a wide range of professional tasks.
  • Page 7 You can configure the settings of the wireless router DWR-921 via the user-friendly web-based interface (the interface is available in several languages). The configuration wizard allows you to quickly switch DWR-921 to one of the following modes: router (for connection to a wired or wireless ISP), access point, repeater, or client, and then configure all needed setting for operation in the selected mode in several simple steps.
  • Page 8: Specifications

    DWR-921 4G LTE Router Overview User Manual Specifications Hardware Processor · MT7620N (600MHz) · 64MB, DDR1 RAM Flash · 16MB, SPI · Interfaces Slot for SIM card (mini-SIM) · 10/100BASE-TX WAN port · 4 10/100BASE-TX LAN ports · LEDs SIGNAL STRENGTH ·...
  • Page 9 SSH/TELNET/WEB (HTTP/HTTPS) · Multilingual web-based interface for configuration and management · Support of D-Link Assistant application for Android and iPhone smartphones · Notification on connection problems and auto redirect to settings · Firmware update via web-based interface · Automatic notification on new firmware version ·...
  • Page 10 · Sending/receiving/reading/removing SMS messages · Support of USSD requests (For DWR-921 with the built-in modem FW version M1.4.4_E1.0.3_A1.1.8. See the data on the modem FW version in the web- based interface of the router, on the “LTE Modem” page.) Wireless Module Parameters Standards ·...
  • Page 11 DWR-921 4G LTE Router Overview User Manual Wireless Module Parameters · Receiver sensitivity 802.11b -86dBm at 11Mbps · 802.11g -81dBm at 54Mbps · 802.11n HT20 -71dBm at MCS7/15 HT40 -67dBm at MCS7/15 Modulation schemes · 802.11b: DSSS, BPSK, QPSK, CCK ·...
  • Page 12: Product Appearance

    DWR-921 4G LTE Router Overview User Manual Product Appearance Front Panel Figure 1. Front panel view. Mode Description LTE WAN connection is on. Solid green LTE WAN connection is off. Solid red SIGNAL STRENGTH No SIM card or failed to register in a mobile operator's Blinking red network.
  • Page 13 DWR-921 4G LTE Router Overview User Manual Mode Description The router's WLAN is on. Solid green Data transfer though Wi-Fi network. Fast blinking green WLAN Attempting to add a wireless device via the WPS Slow blinking green function. The router's WLAN is off.
  • Page 14: Back Panel

    DWR-921 4G LTE Router Overview User Manual Back Panel Figure 2. Back panel view. Port Description LAN 1-4 4 Ethernet ports to connect computers or network devices. A port to connect to a cable or DSL modem or to a private Ethernet...
  • 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

    “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. Also you can use D-Link Assistant application for Android or iPhone mobile devices (smartphones or tablets).
  • Page 17: Connecting To Pc

    DWR-921 4G LTE Router Installation and Connection User Manual Connecting to PC PC with Ethernet Adapter 1. Insert a SIM card into the slot on the back panel of the router with the gold contacts facing downwards and gently push until it clicks.
  • Page 18: Obtaining Ip Address Automatically (Os Windows 7)

    DWR-921 4G LTE Router Installation and Connection User Manual Obtaining IP Address Automatically (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 19 DWR-921 4G LTE Router Installation and Connection User Manual 3. In the menu located on the left part of the window, select the Change adapter settings line. Figure 4. The Network and Sharing Center window. Page 19 of 255...
  • Page 20 DWR-921 4G LTE Router Installation and Connection User Manual 4. In the opened window, right-click the relevant Local Area Connection icon and select the Properties line in the menu displayed. Figure 5. The Network Connections window. Page 20 of 255...
  • Page 21 DWR-921 4G LTE Router Installation and Connection User Manual 5. In the Local Area Connection Properties window, on the Networking tab, select the Internet Protocol Version 4 (TCP/IPv4) line. Click the Properties button. Figure 6. The Local Area Connection Properties window.
  • Page 22 DWR-921 4G LTE Router Installation and Connection User Manual 6. Make sure that the Obtain an IP address automatically and Obtain DNS server address automatically choices of the radio buttons are selected. Click the OK button. Figure 7. The Internet Protocol Version 4 (TCP/IPv4) Properties window.
  • Page 23: Obtaining Ip Address Automatically (Os Windows 10)

    DWR-921 4G LTE Router Installation and Connection User Manual Obtaining IP Address Automatically (OS Windows 10) 1. Click the Start button and proceed to the Settings window. 2. Select the Network & Internet section. Figure 8. The Windows Settings window.
  • Page 24 DWR-921 4G LTE Router Installation and Connection User Manual 3. In the Change your network settings section, select the Change adapter options line. Figure 9. The Network & Internet window. Page 24 of 255...
  • Page 25 DWR-921 4G LTE Router Installation and Connection User Manual 4. In the opened window, right-click the relevant Local Area Connection icon and select the Properties line in the menu displayed. Figure 10. The Network Connections window. 5. In the Local Area Connection Properties window, on the Networking tab, select the Internet Protocol Version 4 (TCP/IPv4) line.
  • Page 26 DWR-921 4G LTE Router Installation and Connection User Manual 6. Make sure that the Obtain an IP address automatically and Obtain DNS server address automatically choices of the radio buttons are selected. Click the OK button. Figure 12. The Internet Protocol Version 4 (TCP/IPv4) Properties window.
  • Page 27: Pc With Wi-Fi Adapter

    DWR-921 4G LTE Router Installation and Connection User Manual PC with Wi-Fi Adapter 1. Insert a SIM card into the slot on the back panel of the router with the gold contacts facing downwards and gently push until it clicks.
  • Page 28: Obtaining Ip Address Automatically And Connecting To Wireless Network (Os Windows 7)

    DWR-921 4G LTE Router Installation and Connection User Manual Obtaining Address Automatically Connecting to Wireless Network (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 DWR-921 4G LTE Router Installation and Connection User Manual 6. Make sure that the Obtain an IP address automatically and Obtain DNS server address automatically choices of the radio buttons are selected. Click the OK button. Figure 14. The Internet Protocol Version 4 (TCP/IPv4) Properties window.
  • Page 30 User Manual 9. In the opened Wireless Network Connection window, select the wireless network DWR-921 and click the Connect button. Figure 16. The list of available networks. 10. In the opened window, enter the network key (see WPS PIN on the barcode label on the bottom panel of the device) in the Security key field and click the OK button.
  • Page 31: Obtaining Ip Address Automatically And Connecting To Wireless Network (Os Windows 10)

    DWR-921 4G LTE Router Installation and Connection User Manual Obtaining Address Automatically Connecting to Wireless Network (OS Windows 10) 1. Click the Start button and proceed to the Settings window. 2. Select the Network & Internet section. Figure 17. The Windows Settings window.
  • Page 32 Figure 19. The notification area of the taskbar. 9. In the opened Wireless Network Connection window, select the wireless network DWR-921 and click the Connect button. Figure 20. The list of available networks. Page 32 of 255...
  • Page 33 DWR-921 4G LTE Router Installation and Connection User Manual 10. In the opened window, enter the network key (see WPS PIN on the barcode label on the bottom panel of the device) in the Security key field and click the Next button.
  • Page 34: Connecting To Web-Based Interface

    Enter key. Also you can enter the IP address of the device (by default, 192.168.0.1). Figure 22. Connecting to the web-based interface of the DWR-921 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 35 DWR-921 4G LTE Router 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.
  • Page 36: Web-Based Interface Structure

    DWR-921 4G LTE Router Installation and Connection User Manual Web-based Interface Structure Summary Page On the Summary page, detailed information on the device state is displayed. Figure 25. The summary page. Page 36 of 255...
  • Page 37 DWR-921 4G LTE Router 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.
  • Page 38: Home Page

    DWR-921 4G LTE Router Installation and Connection User Manual Home Page The Home page displays links to the most frequently used pages with device's settings. Figure 26. The Home page. Other settings of the router are available in the menu in the left part of the page.
  • Page 39: Menu Sections

    DWR-921 4G LTE Router 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 allows you to configure the router for operation in the needed mode and specify all parameters necessary for getting started (for the description of the Wizard, see the Initial Configuration Wizard section, page 41).
  • Page 40: Notifications

    DWR-921 4G LTE Router Installation and Connection User Manual Notifications The router's web-based interface displays notifications in the top right part of the page. Figure 27. The web-based interface notifications. Click the icon displaying the number of notifications to view the complete list and click the relevant button.
  • Page 41: Configuring Via Web-Based Interface

    Figure 28. Restoring the default settings in the Wizard. If you perform initial configuration of the router via Wi-Fi connection, please make sure that you are connected to the wireless network DWR-921 and click the NEXT button. Figure 29. Checking connection to the wireless network.
  • Page 42 DWR-921 4G LTE Router 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 User’s interface password and Password confirmation fields...
  • Page 43: Selecting Operation Mode

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Selecting Operation Mode Select the needed operation mode and click the NEXT button. Router In order to connect your device to a wired ISP, on the Device mode page, from the Connection method list, select the Wired connection value.
  • Page 44 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In order to connect your device to a wireless ISP (WISP), on the Device mode page, from the Connection method list, select the Wi-Fi value. Then from the Work mode list select the WISP Repeater value.
  • Page 45: Access Point Or Repeater

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Access Point or Repeater In order to connect your device to a wired router for adding a wireless network to the existing local network, on the Device mode page, from the Connection method list, select the Wired connection value.
  • Page 46 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In order to let wired PCs connected to your device access the network of a wireless router, on the Device mode page, from the Connection method list, select the Wi-Fi value. Then from the Work mode list select the Client value.
  • Page 47: Creating Lte Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating LTE WAN Connection This configuration step is available for the mode. Mobile Internet 1. If the PIN code check is enabled for the SIM card inserted into the built-in modem, enter the PIN code in the PIN field and click the APPLY button.
  • Page 48: Changing Lan Ipv4 Address

    If you want to manually assign the LAN IPv4 address for DWR-921, do not select the Automatic obtainment of IPv4 address checkbox and fill in the IP address, Subnet mask, DNS IP address, Hostname fields and, if needed, the Gateway IP address field.
  • Page 49: Wi-Fi Client

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Wi-Fi Client This configuration step is available for the WISP Repeater, Repeater, and Client modes. 1. On the Wi-Fi Сlient page, click the WIRELESS NETWORKS button and select the network to which you want to connect in the opened window. When you select a network, the Network name (SSID) and BSSID fields are filled in automatically.
  • Page 50 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Encryption key WEP as Select the checkbox to set a hexadecimal number as a key for encryption. Keys for WEP encryption. The router uses the key selected from the Encryption key Default key ID drop-down list.
  • Page 51: Configuring Wired Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Configuring Wired WAN Connection This configuration step is available for the Router and WISP Repeater modes. 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.
  • Page 52: Static Ipv4 Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Static IPv4 Connection Figure 41. The page for configuring Static IPv4 WAN connection. Fill in the following fields: IP address, Subnet mask, Gateway IP address, and DNS IP address. Page 52 of 255...
  • Page 53: Static Ipv6 Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Static IPv6 Connection Figure 42. The page for configuring Static IPv6 WAN connection. Fill in the following fields: IP address, Prefix, Gateway IP address, and DNS IP address. Page 53 of 255...
  • Page 54: Pppoe, Ipv6 Pppoe, Pppoe Dual Stack, Pppoe + Dynamic Ip (Pppoe Dual Access) Connections

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual PPPoE, IPv6 PPPoE, PPPoE Dual Stack, PPPoE + Dynamic IP (PPPoE Dual Access) Connections Figure 43. The page for configuring PPPoE WAN connection. In the Username field enter the login and in the Password field enter the password provided your ISP.
  • Page 55: Pppoe + Static Ip (Pppoe Dual Access) Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual PPPoE + Static IP (PPPoE Dual Access) Connection Figure 44. The page for configuring PPPoE + Static IP (PPPoE Dual Access) WAN connection. In the Username field enter the login and in the Password field enter the password provided your ISP.
  • Page 56: Pptp + Dynamic Ip Or L2Tp + Dynamic Ip Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual PPTP + Dynamic IP or L2TP + Dynamic IP Connection Figure 45. The page for configuring PPTP + Dynamic IP WAN connection. In the Username field enter the login and in the Password field enter the password provided by your ISP.
  • Page 57: Pptp + Static Ip Or L2Tp + Static Ip Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual PPTP + Static IP or L2TP + Static IP Connection Figure 46. The page for configuring PPTP + Static IP WAN connection. In the Username field enter the login and in the Password field enter the password provided by your ISP.
  • Page 58: Configuring Wireless Network

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Configuring Wireless Network This configuration step is available for the Mobile Internet, Router, Access point, WISP Repeater, and Repeater modes. 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 59 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual 5. If you want to create an additional wireless network isolated from your LAN, select the Enable guest network checkbox (available for the Mobile Internet, Router, and WISP Repeater modes only).
  • Page 60: Configuring Lan Ports For Iptv/Voip

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Configuring LAN Ports for IPTV/VoIP This configuration step is available for the Router mode. On the IPTV page, select the Is an STB connected to the device checkbox. Figure 49. The page for selecting a LAN port to connect an IPTV set-top box.
  • Page 61 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual On the VoIP page, select the Is an IP phone connected to the device checkbox. Figure 50. The page for selecting a LAN port to connect a VoIP phone. Select a free LAN port for connecting your IP phone.
  • Page 62: Changing Web-Based Interface Password

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Changing Web-based Interface Password On this page, you should change the default administrator password. To do this, enter a new password in the User’s interface password and Password confirmation fields. You may set any password except admin.
  • Page 63 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).
  • Page 64: Connection Of Multimedia Devices

    IPTV set-top box or IP phone. Contact your ISP to clarify if you need to configure DWR-921 in order to use these devices. To start the Wizard, on the Home page, select the Connection of Multimedia Devices section.
  • Page 65 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual If you need to configure a connection via VLAN, click the ADVANCED MODE button. Figure 54. The Multimedia Devices Connection Wizard. The advanced mode. In the WAN section, click the Add icon ( Figure 55.
  • Page 66 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To deselect the port or wireless interface in the advanced mode, select the No value from the Bridged with drop-down list of the element corresponding to the needed LAN port or interface.
  • Page 67: Statistics

    DWR-921 4G LTE Router 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 • the routing rules and routing tables •...
  • Page 68: Dhcp

    DWR-921 4G LTE Router 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.
  • Page 69: Routing

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Routing The Statistics / Routing page displays the routing rules and routing tables. Figure 58. The Statistics / Routing page. The Rules section displays routing rules, their corresponding routing tables, incoming and outgoing interfaces, priority levels, and other data.
  • Page 70 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 59. The routing table page. The opened page displays the information on routes in the selected routing table. The table contains destination IP addresses, gateways, subnet masks, and other data.
  • Page 71: Clients And Sessions

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Clients and Sessions On the Statistics / Clients and Sessions page, you can view the list of devices connected to the local network of the router and information on current sessions of each device.
  • Page 72: Port Statistics

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Port Statistics On the Statistics / Port Statistics page, you can view statistics for traffic passing through ports of the router. The information shown on the page can be used for diagnosing connection problems.
  • Page 73: Multicast Groups

    DWR-921 4G LTE Router 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.
  • Page 74: Ipsec Statistics

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual IPsec Statistics On the Statistics / IPsec Statistics page, you can view statistics for IPsec tunnels of the router. For each tunnel the following data are displayed: name and state (when the connection is on, its...
  • Page 75: Connections Setup

    DWR-921 4G LTE Router 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). On the Connections Setup / WAN page, you can create and edit connections used by the router.
  • Page 76 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 65. 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.
  • Page 77: Creating Dynamic Ipv4 Or Static Ipv4 Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating Dynamic IPv4 or Static IPv4 WAN Connection On the connection creation page, in the General Settings section, select the relevant value from the Connection type drop-down list and specify the needed values.
  • Page 78 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 67. The page for creating a new Static IPv4 connection. The Ethernet section. Parameter Description Ethernet A MAC address assigned to the interface. This parameter is mandatory if your ISP uses MAC address binding. In the field, enter the MAC address registered by your ISP upon concluding the agreement.
  • Page 79 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 68. The page for creating a new Static IPv4 connection. The IPv4 section. Parameter Description IPv4 For Static IPv4 type IP address Enter an IP address for this WAN connection.
  • Page 80: Creating Dynamic Ipv6 Or Static Ipv6 Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating Dynamic IPv6 or Static IPv6 WAN Connection On the connection creation page, in the General Settings section, select the relevant value from the Connection type drop-down list and specify the needed values.
  • Page 81 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 70. The page for creating a new Static IPv6 connection. The Ethernet section. Parameter Description Ethernet A MAC address assigned to the interface. This parameter is mandatory if your ISP uses MAC address binding. In the field, enter the MAC address registered by your ISP upon concluding the agreement.
  • Page 82 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description IPv6 For Static IPv6 type IPv6 address Enter an IPv6 address for this WAN connection. The length of the subnet prefix. The value 64 is used usually. Prefix...
  • Page 83: Creating Pppoe Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating PPPoE WAN Connection On the connection creation page, in the General Settings section, select the relevant value from the Connection type drop-down list and specify the needed values. Figure 72. The page for creating a new PPPoE connection. The General Settings section.
  • Page 84 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 73. The page for creating a new PPPoE connection. The Ethernet section. Parameter Description Ethernet A MAC address assigned to the interface. This parameter is mandatory if your ISP uses MAC address binding. In the field, enter the MAC address registered by your ISP upon concluding the agreement.
  • Page 85 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 74. 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 86 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Select a method of MPPE encryption. No encryption: MPPE encryption is not applied. • MPPE 40 128 bit: MPPE encryption with a 40-bit or 128-bit • key is applied.
  • Page 87 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 75. The page for creating a new PPPoE connection. The IPv4 section. Parameter Description Obtain DNS server Move the switch to the right to configure automatic assignment of addresses DNS server addresses.
  • Page 88: Creating Pptp, L2Tp, L2Tp Dual Stack, Or L2Tp Over Ipsec Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating PPTP, L2TP, L2TP Dual Stack, or L2TP over IPsec WAN Connection On the connection creation page, in the General Settings section, select the relevant value from the Connection type drop-down list and specify the needed values.
  • Page 89 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 77. The page for creating a new PPTP 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 90 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Select a method of MPPE encryption. No encryption: MPPE encryption is not applied. • MPPE 40 128 bit: MPPE encryption with a 40-bit or 128- • bit key is applied.
  • Page 91 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 78. The page for creating a new PPTP connection. The IPv4 section. Parameter Description Obtain DNS server Move the switch to the right to configure automatic assignment of addresses DNS server addresses.
  • Page 92 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description From the drop-down list, select the mode of a prefix request from a delegating DHCPv6 server to configure a range of IPv6 addresses for the local network. None: The mode without prefix request.
  • Page 93 IPsec tunnel. This option enhances the security level of data transfer, but increases the load on DWR-921. Move the switch to the right to enable using DPD protocol for this tunnel. Such a setting allows to check the status of the remote host:...
  • Page 94: Creating Pppoe Ipv6 Or Pppoe Dual Stack Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating PPPoE IPv6 or PPPoE Dual Stack WAN Connection On the connection creation page, in the General Settings section, select the relevant value from the Connection type drop-down list and specify the needed values.
  • Page 95 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description If the switch is moved to the right, the router responds to ping Ping requests from the external network through this connection. For security reasons, it is recommended to disable this function.
  • Page 96 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 83. 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 97 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Select a method of MPPE encryption. No encryption: MPPE encryption is not applied. • MPPE 40 128 bit: MPPE encryption with a 40-bit or 128-bit • key is applied.
  • Page 98 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 84. The page for creating a new PPPoE Dual Stack connection. The IPv4 section. Parameter Description IPv4 (for the PPPoE Dual Stack type) Obtain DNS server Move the switch to the right to configure automatic assignment of addresses DNS server addresses.
  • Page 99 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description From the drop-down list, select the mode of a prefix request from a delegating DHCPv6 server to configure a range of IPv6 addresses for the local network. None: The mode without prefix request.
  • Page 100: Creating Mobile Internet Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating Mobile Internet WAN Connection If the PIN code check is enabled for the SIM card inserted into the built-in LTE modem, for correct operation of the mobile WAN connection click the ENTER PIN button in the notification in the top right corner of the page and enter the PIN code in the window displayed.
  • Page 101 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description If the switch is moved to the right, the network address translation function for IPv6 is enabled. Do not disable the function unless your ISP requires this. NATv6 The switch is displayed when the IPv6 or Dual value is selected from the Type drop-down list in the Modem Settings section.
  • Page 102 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Authentication protocol Select a required authentication method from the drop-down list. Username A username (login) to connect to the network of the operator. A password to connect to the network of the operator.
  • Page 103 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description IPv6 (for the Dual and IPv6 types) Move the switch to the right to configure automatic assignment of Obtain DNS server IPv6 DNS server addresses. Upon that the Primary IPv6 DNS...
  • Page 104 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description A time period (in seconds) allocated for a respond to one ping Timeout request. By default, the value 3 is specified. Move the switch to the right to reestablish connection if the Connection restart maximum number of ping requests fails.
  • Page 105: Creating Ipip6 Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating IPIP6 WAN Connection On the connection creation page, in the General Settings section, select the relevant value from the Connection type drop-down list and specify the needed values. Figure 91. The page for creating a new IPIP6 connection. The General Settings section.
  • Page 106 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 92. The page for creating a new IPIP6 connection. The IP section. Parameter Description Obtain remote host Move the switch to the right to configure automatic assignment of a address automatically remote host IPv6 address.
  • Page 107 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual If you have already configured the connection to the Internet and you want to use this WAN connection only to connect to the virtual private network, select the to the virtual private network choice of the radio button.
  • Page 108: Creating 6In4 Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating 6in4 WAN Connection Before configuring the connection, please first register on a tunnel broker’s web site. On the connection creation page, in the General Settings section, select the relevant value from the Connection type drop-down list and specify the needed values.
  • Page 109 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Enter the address of the routed IPv6 subnet (without specifying the Routed IPv6 network prefix length) provided by the tunnel broker. Move the switch to the right to set the maximum size of units transmitted by the interface automatically.
  • Page 110: Creating 6To4 Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating 6to4 WAN Connection On the connection creation page, in the General Settings section, select the relevant value from the Connection type drop-down list and specify the needed values. Figure 94. The page for creating a new 6to4 connection.
  • Page 111: Creating 6Rd Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating 6rd WAN Connection On the connection creation page, in the General Settings section, select the relevant value from the Connection type drop-down list and specify the needed values. Figure 95. The page for creating a new 6rd connection.
  • Page 112 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description The number of bits in the IPv4 address of the router in the 6rd IPv4 mask length domain. Move the switch to the right to exchange traffic between clients through the main host of the network in the 6rd domain.
  • Page 113: Lan

    DWR-921 4G LTE Router 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 the IPv4 address of the router, configure the built-in DHCP server, specify MAC address and IPv4 address pairs, or add own DNS records.
  • Page 114 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Available if the Access point, Repeater, or Client mode was selected in the Initial Configuration Wizard. Gateway IP address The gateway IPv4 address which is used by the router to connect to the Internet (e.g., for synchronizing the system time with an NTP...
  • Page 115 DWR-921 4G LTE Router 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. DHCP: The router assigns IP addresses to clients •...
  • Page 116 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description The IPv4 address of the external DHCP server which assigns IPv4 addresses to the router's clients. To specify several IPv4 addresses, click the ADD button, and in the External DHCP server IP line displayed, enter an IPv4 address.
  • Page 117 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the opened window, you can specify the following parameters: Parameter Description From the drop-down list, select an option which you want to Known DHCP options configure. Options value Specify the value for the selected option.
  • Page 118 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual If needed, you can add your own address resource records. To do this, click the ADD button ( in the Hosts section (available if in the Dynamic IP Addresses section the DHCP value is selected from the Mode of IPv4 address assignment drop-down list).
  • Page 119: Ipv6

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual IPv6 Go to the IPv6 tab to change or add the IPv6 address of the router, configure IPv6 addresses assignment settings, specify MAC address and IPv6 address pairs, or add own DNS records.
  • Page 120 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Available if the Access point, Repeater, or Client mode was selected in the Initial Configuration Wizard. If needed, specify a DNS server IPv6 address. If you want to specify several DNS servers, click the ADD button, and in the line displayed, enter the IPv6 address.
  • Page 121 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Dynamic IP Addresses Select the needed value from the drop-down list. Disable: Clients' IPv6 addresses are assigned manually. • Stateless: Clients themselves configure IPv6 addresses • using the prefix.
  • Page 122 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the Static IP Addresses section, you can specify MAC address and IPv6 address pairs (set a fixed IPv6 address in the local area network for a device with a certain MAC address). The router...
  • Page 123 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To edit an existing record, in the Hosts section, select the relevant line in the table. In the opened window, change the needed parameters and click the SAVE button. To remove a record, in the Hosts section, select the checkbox located to the left of the relevant line in the table and click the DELETE button ( After completing the work with records, click the APPLY button.
  • Page 124: Wan Failover

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual WAN Failover On the Connections Setup / WAN Failover 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 125 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the Connections IPv4 section, the existing IPv4 connections are displayed in order of their priority. The first connection on the list serves as the main connection, the others are backup connections.
  • Page 126 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the Check with ping section, specify settings of checking the connection using ICMP ping mechanism. Parameter Description Check with ping A time period (in seconds) between regular checks of the hosts’...
  • Page 127: Auto Configuration Of 3G/Lte

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Auto Configuration of 3G/LTE On the Connections Setup / Auto Configuration of 3G/LTE page, you can enable the function for automatic creation of a mobile WAN connection upon powering the router on.
  • Page 128 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual If the PIN code check for the SIM card inserted into the built-in LTE modem is disabled, then an active WAN connection with the operator's settings will be automatically created when powering on the router.
  • Page 129: Vpn

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In this menu you can configure VPN connections based on IPsec/GRE/EoGRE protocols. IPsec On the VPN / IPsec page, you can configure VPN tunnels based on IPsec protocol. IPsec is a protocol suite for securing IP communications.
  • Page 130 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To create a new tunnel, click the ADD button ( ) in the Tunnels section. Setting for both devices which establish the tunnel should be the same. Figure 110. The page for adding an IPsec tunnel. The General Settings section.
  • Page 131 The field is available for editing if the Dynamic IPsec switch is moved to the left. A remote host identifier to establish connection over IPsec with particular hosts only. To establish connection, DWR-921 remote identifier value should correspond to the local identifier value Remote identifier specified in the settings of the remote host.
  • Page 132 • the default WAN connection. A local identifier of the router to establish connection over IPsec with particular hosts only. To establish connection, DWR-921 local Local identifier identifier value should correspond to the remote identifier value specified in the settings of the remote host. Use an IP address, domain name, or certificate CN.
  • Page 133 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Move the switch to the right to enable using DPD protocol for this tunnel. Such a setting allows to check the status of the remote host: if encrypted packets exchange between the router and the remote host...
  • Page 134 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 111. The page for adding an IPsec tunnel. The First Phase / The Second Phase sections. Parameter Description The First Phase First phase Select an available encryption algorithm from the drop-down list.
  • Page 135 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description IKE (Internet Key Exchange) is a protocol of keys exchange between two hosts of VPN connections. Select a version of the protocol from IKE version the drop-down list.
  • Page 136 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 112. The page for adding an IPsec tunnel. The window for adding a tunneled network. In the opened window, you can specify the following parameters: Parameter Description A local subnet IP address and mask.
  • Page 137 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To remove a subnet, select the checkbox located to the left of the relevant line in the table and click the DELETE button ( ). Also you can remove a subnet in the editing window.
  • Page 138: Gre

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual On the VPN / GRE page, you can configure VPN tunnels based on GRE protocol. GRE (Generic Routing Encapsulation) is a protocol for tunneling network packets, which enables you to create unprotected VPN tunnels.
  • Page 139 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual You can specify the following parameters: Parameter Description Tunnel settings Move the switch to the right to enable the GRE tunnel. Enable Move the switch to the left to disable the GRE tunnel.
  • Page 140: Eogre

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual EoGRE On the VPN / EoGRE page, you can configure VPN tunnels based on EoGRE technology. EoGRE (Ethernet over GRE) technology allows transferring traffic through VPN tunnels in heterogeneous networks, encapsulating Ethernet frames with the help of GRE protocol and transferring them over a network which uses a network protocol of another level.
  • Page 141 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Move the switch to the right to use the EoGRE tunnel as an interface for creating a WAN connection. For further configuration, you need to create a VLAN which will include the EoGRE interface (see the...
  • Page 142: Wi-Fi

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Wi-Fi In this menu you can specify all needed settings for your wireless network. Basic Settings 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 143 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the Basic Settings section, the following parameters are available: Parameter Description To enable Wi-Fi connection, move the switch to the right. To disable Wi-Fi connection, move the switch to the left.
  • Page 144 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Specify a period of time (in seconds) after which the router rescans Scanning period channels. When you have configured the parameters, click the APPLY button. To edit the settings of the basic wireless network, in the Wi-Fi Network section, change the needed parameters and click the APPLY button.
  • Page 145 When the value 0 is specified, the device does not limit the number of connected clients. If the wireless network broadcasting is disabled, devices cannot connect to the wireless network. Upon that DWR-921 can connect to another access point as a wireless client. To enable/disable broadcasting on a schedule, click the Set schedule icon ( ).
  • Page 146 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Move the switch to the right to forbid wireless clients of this Clients isolation wireless network to communicate to each other. This function is available for the additional network. Move the...
  • Page 147 DWR-921 4G LTE Router 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 mixed WPA2-PSK authentication type can connect to the wireless network.
  • Page 148 DWR-921 4G LTE Router 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 Default key ID drop-down list, the Encryption key WEP as HEX switch, and four Encryption key fields are displayed on the page.
  • Page 149 DWR-921 4G LTE Router 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 122. The WPA2 value is selected from the Network authentication drop-down list.
  • Page 150: Client Management

    DWR-921 4G LTE Router 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 123. The page for managing the wireless clients.
  • Page 151: Wps

    DWR-921 4G LTE Router 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. The WPS function helps to configure the protected wireless network automatically. Devices connecting to the wireless network via the WPS function must support the WPS function.
  • Page 152 DWR-921 4G LTE Router 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 •...
  • Page 153: Using Wps Function Via Web-Based Interface

    DWR-921 4G LTE Router 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. Click the ENABLE WPS button.
  • Page 154: Using Wps Function Without Web-Based Interface

    DWR-921 4G LTE Router 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.
  • Page 155: Wmm

    DWR-921 4G LTE Router 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 156 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameters of the Access Categories are defined for both the router itself (in the Access Point section) and wireless devices connected to it (in the Station section). To edit the parameters of an Access Category, left-click the relevant line. In the opened window, change the needed parameters.
  • Page 157 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Acknowledgment. Answering response requests while transmitting. Displayed only in the Access Point section. If the switch is moved to the left, the router answers requests. If the switch is moved to the right, the router does not answer requests.
  • Page 158: Client

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Client On the Wi-Fi / Client page, you can configure the router as a client to connect to a wireless access point or to a WISP. Figure 127. The page for configuring the client mode.
  • Page 159 An encryption method: TKIP, AES, or TKIP+AES. When you have configured the parameters, click the APPLY button. When connecting to a wireless access point, the wireless channel of DWR-921 will switch to the channel of the access point to which you have connected.
  • Page 160: Additional

    DWR-921 4G LTE Router 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 128.
  • Page 161 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Move the switch to the right to let the router to automatically choose the most suitable channel bandwidth (20MHz or 40MHz) for the Autonegotiation connected devices (this setting can substantially lower the data 20/40 (Coexistence) transfer rate of your wireless network).
  • Page 162 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description The minimum size (in bytes) of a packet for which an RTS frame is RTS threshold transmitted. The maximum size (in bytes) of a non-fragmented packet. Larger Frag threshold packets are fragmented (divided).
  • Page 163: Mac Filter

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual MAC Filter On the Wi-Fi / MAC Filter page, you can define a set of MAC addresses of devices which will be allowed to access the WLAN, or define MAC addresses of devices which will not be allowed to access the WLAN.
  • Page 164 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual 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. In the field, enter the MAC address to which the selected filtering MAC address mode will be applied.
  • Page 165: Lte Modem

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual LTE Modem This menu is designed to operate the built-in LTE modem. If the PIN code check for the SIM card inserted into the LTE modem is not disabled, the relevant notification will be displayed in the top right corner of the page.
  • Page 166: Basic Settings

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Basic Settings On the LTE Modem / Modem 1 / Basic Settings page, you can view data on the built-in LTE modem, change the PIN code of the SIM card inserted into the LTE modem, and disable or enable the check of the PIN code.
  • Page 167 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual The following data are displayed on the page: Parameter Description Information Model The alphanumeric code of the model of the LTE modem. Vendor The manufacturer of the LTE modem. International Mobile Equipment Identity IMEI The code stored in the memory of the LTE modem.
  • Page 168 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Operator name The name of the mobile operator proving the service. Roaming Roaming mode status of the SIM card inserted into the LTE modem. International Mobile Subscriber Identity IMSI The code stored in the SIM card inserted into the LTE modem.
  • Page 169 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual If upon one of the operations described above you have entered an incorrect value in the PIN code field three times (the number of remaining attempts is displayed in the PIN input window), the SIM card inserted into the LTE modem is blocked.
  • Page 170: Sms

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual When a new text message is received, the relevant notification will be displayed in the top right corner of the page. Click the CHECK button. After clicking the button, the LTE Modem / Modem 1 / SMS page opens.
  • Page 171 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To remove a message, select the checkbox located to the left of the relevant line in the table and click the DELETE button ( To reply to an incoming message, click the REPLY button in the line corresponding to the message.
  • Page 172: Ussd

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual USSD On the LTE Modem / Modem 1 / USSD page, you can send a USSD command for the SIM card. USSD (Unstructured Supplementary Service Data) is a technology which provides real-time message exchange between a subscriber and a mobile operator's special application.
  • Page 173: Advanced

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Advanced In this menu you can configure advanced settings of the router: create or edit VLANs • use LAN ports of the router as additional WAN ports and also use the WAN port as a LAN •...
  • Page 174: Vlan

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual VLAN On the Advanced / VLAN page, you can edit existing and create new virtual networks (VLAN), e.g., for distinguishing traffic or specifying additional WAN interfaces. By default, 2 VLANs are created in the router's system.
  • Page 175 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To create a new VLAN, click the ADD button ( Figure 140. The page for adding a VLAN. You can specify the following parameters: Parameter Description Name A name for the VLAN for easier identification.
  • Page 176 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Select a type for each port included in the VLAN. Untagged: Untagged traffic will be transmitted through the • specified port. Tagged: Tagged traffic will be transmitted through the •...
  • Page 177: Wan Assignment

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual WAN Assignment On the Advanced / WAN Assignment page, you can use LAN ports of the router as additional WAN ports and also use the WAN port as a LAN port.
  • Page 178: Using Wan Port As Lan Port

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Using WAN Port as LAN Port To configure the WAN port of the router to be used as a LAN port, follow the next steps: 1. On the Connections Setup / WAN page, remove the WAN connection assigned to the network interface of the VLAN which includes the WAN port (see the WAN section, page 75).
  • Page 179: Dns

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual On the Advanced / DNS page, you can add DNS servers to the system. Figure 142. 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 180 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual When you use the built-in DHCP server, the network parameters (including DNS servers) are distributed to clients automatically. Specify needed settings for IPv4 in the IPv4 section and for IPv6 in the IPv6 section.
  • Page 181: Ddns

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual DDNS On the Advanced / DDNS page, you can define parameters of the DDNS service, which allows associating a domain name with dynamic IP addresses. Figure 143. The Advanced / DDNS page.
  • Page 182 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual On the opened page, you can specify the following parameters: Parameter Description Move the switch to the right to enable DDNS. Enable Move the switch to the left to disable DDNS.
  • Page 183: Ports Settings

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Ports Settings On the Advanced / Ports Settings page, you can configure or disable autonegotiation of speed and duplex mode or manually configure speed and duplex mode for each Ethernet port of the router.
  • Page 184 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 146. The window for changing the settings of the router's port. In the opened window, specify the needed parameters: Parameter Description Auto Select the value to enable autonegotiation. When this value is selected, the Autonegotiation Modes and Flow control sections are displayed.
  • Page 185 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Flow control Move the switch to the right to enable the flow control function for the port. Symmetric flow control Move the switch to the left to disable the flow control function for the port.
  • Page 186: Redirect

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Redirect On the Advanced / Redirect page, you can enable notifications on the reason of the Internet connection failure. Notifications will be displayed in the browser window when a user is attempting to open a web site on the Internet.
  • Page 187: Routing

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Routing On the Advanced / Routing page, you can specify static (fixed) routes. Figure 148. The Advanced / Routing page. To specify a new route, click the ADD button ( Figure 149.
  • Page 188 DWR-921 4G LTE Router 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 route. Enable Move the switch to the left to disable the route.
  • Page 189: Tr-069 Client

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual TR-069 Client On the Advanced / TR-069 Client page, you can configure the router for communication with a remote Auto Configuration Server (ACS). The TR-069 client is used for remote monitoring and management of the device.
  • Page 190 DWR-921 4G LTE Router 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 the device and network statistics) to the ACS. Interval Specify the time period (in seconds) between sending reports.
  • Page 191: Port Mirroring

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Port Mirroring On the Advanced / Port Mirroring page, you can enable the function of mirroring the router’s ports. This function allows to copy traffic from one or several ports to the destination port to monitor network issues with the help of traffic analysis software.
  • Page 192 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual After specifying the needed parameters, click the APPLY button. To disable the function of port mirroring, click the DISABLE button. Page 192 of 255...
  • Page 193: Upnp

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual UPnP On the Advanced / UPnP page, you can enable the UPnP function. The UPnP function allows to automatically create port forwarding rules for applications in the router’s LAN requiring a connection from an external network.
  • Page 194 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description For IPv6 only. Pinhole ID An identifier of the rule created for an incoming connection to the router. If you want to disable the UPnP function, click the DISABLE button.
  • Page 195: Udpxy

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual UDPXY On the Advanced / UDPXY page, you can allow the router to use the built-in UDPXY application. The UDPXY application transforms UDP traffic into HTTP traffic. This application allows devices which cannot receive UDP streams to access stream video.
  • Page 196 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To access the status page of the application, click the Status link. Figure 154. The UDPXY application status page. Page 196 of 255...
  • Page 197: Igmp

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual IGMP On the Advanced / IGMP page, you can allow the router to use IGMP and specify needed settings. 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 198: Alg/Passthrough

    DWR-921 4G LTE Router 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. SIP is used for creating, modifying, and terminating communication sessions. This protocol allows telephone calls via the Internet.
  • Page 199 DWR-921 4G LTE Router 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. This function allows VoIP traffic to pass through the NAT-enabled router.
  • Page 200: Firewall

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Firewall In this menu you can configure the firewall of the router: add rules for IP filtering • create virtual servers • define a DMZ • configure the MAC filter •...
  • Page 201 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 158. The page for adding a rule for IP filtering. Page 201 of 255...
  • Page 202 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual You can specify the following parameters: Parameter Description General Settings Move the switch to the right to enable the rule. Enable rule Move the switch to the left to disable the rule.
  • Page 203 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Select the destination of the packet direction from the Destination drop-down list. Router: The rule will be applied to the packets transmitted • to DWR-921. WAN: The rule will be applied to the packets transmitted to •...
  • Page 204 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description The destination host start IPv4 or IPv6 address. If it is necessary to specify a single address, leave the End IPv4 Start IPv4 address / address / End IPv6 address field blank.
  • Page 205: Virtual Servers

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Virtual Servers On the Firewall / Virtual Servers page, you can create virtual servers for redirecting incoming Internet traffic to a specified IP address in the local area network. Figure 159. The Firewall / Virtual Servers page.
  • Page 206 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 160. The page for adding a virtual server. You can specify the following parameters: Parameter Description General Settings Move the switch to the right to enable the server. Enable Move the switch to the left to disable the server.
  • Page 207 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual 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. Interface A WAN connection to which this virtual server will be assigned.
  • Page 208 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To disable the virtual server at the time specified in the schedule and enable it at the other time, select the Disable rule value from the Action drop-down list and click the SAVE button.
  • Page 209: Dmz

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual A DMZ is a host or network segment located “between” internal (local) and external (global) networks. In the router, the DMZ implements the capability to transfer a request coming to a port of the router from the external network to a specified host of the internal network.
  • Page 210 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To set a schedule for the DMZ, click the Set schedule icon ( ). In the opened window, from the Rule drop-down list, select the Create rule value to create a new schedule (see the Schedule section, page 228) or select the Select an existing one value to use the existing one.
  • Page 211: Mac Filter

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual MAC Filter On the Firewall / MAC Filter page, you can configure MAC-address-based filtering for computers of the router's LAN. Figure 162. The Firewall / MAC Filter page. Select the needed action from the drop-down list in the Default mode section to configure filtering for all devices of the router's network.
  • Page 212 DWR-921 4G LTE Router 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.
  • Page 213: Url Filter

    DWR-921 4G LTE Router 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 and define devices to which the specified restrictions will be applied.
  • Page 214 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To specify URL addresses to which the selected filtering mode will be applied, in the Addresses section, click the ADD button ( ). In the opened window, you can specify the following...
  • Page 215 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To set a schedule for the URL filter rule, click the Set schedule icon ( ) in the line corresponding to this rule. In the opened window, from the Rule drop-down list, select the Create rule value to create a new schedule (see the Schedule section, page 228) or select the Select an existing one value to use the existing one.
  • Page 216: Remote Access

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Remote Access On the Firewall / 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 217 DWR-921 4G LTE Router 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 Move the switch to the left to disable the rule.
  • Page 218 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To remove a rule for remote access, select the checkbox located to the left of the relevant line in the table and click the DELETE button ( Page 218 of 255...
  • Page 219: System

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual System In this menu you can do the following: change the password used to access the router's settings • restore the factory default settings • create a backup of the router's configuration •...
  • Page 220: Configuration

    DWR-921 4G LTE Router 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 221 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To change a period of inactivity after which the router completes the session of the interface, in the Miscellaneous section, in the Idle time field, specify the needed value (in minutes). By default, the value 5 is specified.
  • Page 222: Buttons Configuration

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Buttons Configuration On the System / Buttons Configuration page, you can edit or add commands for the RESET and WPS hardware buttons. Figure 169. The System / Buttons Configuration page.
  • Page 223 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the opened window, specify the following parameters: Control Description Reset / WPS Command From the drop-down list, select a command. From the drop-down list, select an action for the command.
  • Page 224: Firmware Update

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Firmware Update On the System / Firmware Update page, you can update the firmware of the router and configure the automatic check for updates of the router's firmware. Update the firmware only when the router is connected to your PC via a wired connection.
  • Page 225 Configuring via Web-based Interface User Manual By default, in the Remote server URL field, the D-Link update server address (fwupdate.dlink.ru) is specified. To add one more address, click the ADD button and enter the address in the displayed line. To remove the address, click the Delete button ( ) in the line of the address.
  • Page 226: Local Update

    DWR-921 4G LTE Router 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.
  • Page 227: Remote Update

    DWR-921 4G LTE Router 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.
  • Page 228: Schedule

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Schedule On the System / Schedule page, you can enable/disable Wi-Fi connection and the Wi-Fi filter, configure automatic reboot of the device on a schedule, and set a schedule for different rules and settings of the firewall.
  • Page 229 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the opened window, in the System Time field, the system time of the device is displayed. You can select the Simplified mode value from the Mode drop-down list and specify the following...
  • Page 230 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To set a schedule for a task which will be applied to a rule or setting of the firewall or will enable/disable Wi-Fi connection or Wi-Fi filter, click the ADD button ( ) in the All Tasks section.
  • Page 231 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Simplified mode Specify a schedule name for easier identification. You can specify Schedule name any name. Specify the time period for performing a task. Every minute. • Every hour: When this value is selected, the Time field is •...
  • Page 232 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To assign a created schedule to a task which will be applied to a rule or setting of the firewall or will enable/disable Wi-Fi connection or Wi-Fi filter, go to the relevant page of the web-based interface of the device.
  • Page 233: Log

    DWR-921 4G LTE Router 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. Figure 175. The System / Log page. The Settings tab.
  • Page 234 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description The IP or URL address of the host from the local or global network, Server to which the system log will be sent. A port of the host specified in the Server field. By default, the Port value 514 is specified.
  • Page 235: Ping

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Ping On the System / Ping page, you can check availability of a host from the local or global network via the Ping utility. The Ping utility sends echo requests to a specified host and receives echo replies.
  • Page 236 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To specify additional settings, click the MORE SETTINGS button. Figure 178. The System / Ping page. The additional settings window. In the opened window, in the Packet size field, specify the volume of data sent in a request. In the Waiting for response field, specify the response waiting period in seconds.
  • Page 237: Traceroute

    DWR-921 4G LTE Router 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 179. The System / Traceroute page. To determine the route, enter the name or IP address of a host in the Host field. If the route should be determined using IPv6, move the IPv6 switch to the right.
  • Page 238 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To specify additional settings, click the MORE SETTINGS button. Figure 180. The System / Traceroute page. The additional settings window. In the opened window, you can specify the following parameters:...
  • Page 239: Telnet/Ssh

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Telnet/SSH On the System / Telnet/SSH page, you can enable or disable access to the device settings via TELNET and/or SSH from your LAN. By default, access is disabled. Figure 181. The System / Telnet/SSH page.
  • Page 240: System Time

    DWR-921 4G LTE Router 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 241 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual 3. Select your time zone from the Time zone drop-down list. To set the time zone in accordance with the settings of your operating system or portable device, click the DETERMINE TIMEZONE button.
  • Page 242 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual After specifying the needed parameters, click the APPLY button. 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 243: Auto Provision

    On the System / Auto Provision page, you can enable the Auto Provision function. The Auto Provision function allows your ISP to manage the device’s settings remotely: DWR-921 connects to the ISP’s server, compares the current configuration file with the configuration file stored on this server, and updates its settings if the files are different.
  • Page 244 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description A time period (in seconds) between attempts to compare the current File check period configuration file with the configuration file on the ISP's server. A protocol for communication with the ISP's server where the Protocol type configuration file is stored.
  • Page 245: Skydns

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual SkyDNS This menu is designed to configure the SkyDNS service. SkyDNS is a web content filtering service which provides protection against malicious web sites for devices connected to the router's network, and also allows to configure filtering, block access to adult web sites, and use search engines safely.
  • Page 246: Settings

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Settings On the SkyDNS / Settings page, you can enable the SkyDNS service and specify settings for its operation. Figure 184. The SkyDNS / Settings page. To enable the SkyDNS service, click the ENABLE button. Then in the Mail and Password fields, enter the account data (the e-mail address and the password correspondingly) specified upon registration on the SkyDNS service web site.
  • Page 247 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual By default, the account parameters are automatically synchronized with the SkyDNS service web site once an hour (3600 seconds). To change the automatic synchronization period, specify another value in the Sync period field and click the APPLY button. To start synchronization manually, click the MANUALLY SYNC button.
  • Page 248: Devices And Rules

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Devices and Rules On the SkyDNS / Devices and Rules page, you can assign a specific filtering profile to a device connected to the router's network. Figure 185. The SkyDNS / Devices and Rules page.
  • Page 249 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the opened window, specify the following parameters: Parameter Description The MAC address of a device from the router's LAN to which the specified filtering profile will be applied. You can enter the MAC MAC address address of a device connected to the router's LAN at the moment.
  • Page 250: Chapter 5. Operation Guidelines

    DWR-921 4G LTE Router 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.
  • Page 251: 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 DWR-921 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 252: Chapter 6. Abbreviations And Acronyms

    DWR-921 4G LTE Router Abbreviations and Acronyms User Manual CHAPTER 6. ABBREVIATIONS AND ACRONYMS Third Generation Access Category Advanced Encryption Standard Access Point Address Resolution Protocol BPSK Binary Phase-shift Keying BSSID Basic Service Set Identifier Complementary Code Keying CHAP Challenge Handshake Authentication Protocol...
  • Page 253 DWR-921 4G LTE Router Abbreviations and Acronyms User Manual ICMP Internet Control Message Protocol Identifier Internet Gateway Device IGMP Internet Group Management Protocol Internet Key Exchange IMEI International Mobile Equipment Identity IMSI International Mobile Subscriber Identity Internet Protocol IPTV Internet Protocol Television...
  • Page 254 DWR-921 4G LTE Router Abbreviations and Acronyms User Manual Push Button Configuration Perfect Forward Secrecy Personal Identification Number Power over Ethernet Point-to-Point Protocol pppd Point-to-Point Protocol Daemon PPPoE Point-to-point protocol over Ethernet PPTP Point-to-point tunneling protocol Pre-shared key PIN Unlock Key...
  • Page 255 DWR-921 4G LTE Router Abbreviations and Acronyms User Manual TKIP Temporal Key Integrity Protocol Universal Access Method User Datagram Protocol UPnP Universal Plug and Play Uniform Resource Locator Universal Serial Bus VLAN Virtual Local Area Network Virtual Private Network VRID...

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