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D-Link DWR-921 User Manual
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D-Link DWR-921 User Manual

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User Manual
DWR-921
4G LTE Router
June 2018

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Summary of Contents for D-Link DWR-921

  • Page 1 User Manual DWR-921 4G LTE Router June 2018...

  • 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..............7 Product Appearance............10 Front Panel..............10 Back Panel...............12 Delivery Package............13 Chapter 3. Installation and Connection......14 Before You Begin............14 Connecting to PC............15 PC with Ethernet Adapter..........15...
  • Page 3 DWR-921 4G LTE Router User Manual Connections Setup............60 WAN..............60 Creating Dynamic IPv4 or Static IPv4 WAN Connection....62 Creating Dynamic IPv6 or Static IPv6 WAN Connection....67 Creating PPPoE WAN Connection..........71 Creating PPTP or L2TP WAN Connection........76 Creating PPPoE IPv6 or PPPoE Dual Stack WAN Connection....80 Creating LTE WAN Connection..........86...
  • Page 4 DWR-921 4G LTE Router User Manual System..............168 Configuration............169 Firmware Update............171 Local Update............172 Remote Update............173 Log..............174 Ping..............176 Traceroute..............178 Telnet..............180 System Time.............181 Yandex.DNS..............183 Settings..............183 Devices and Rules............185 Chapter 5. Operation Guidelines........187 Safety Rules and Conditions..........187 Wireless Installation Considerations........188 Chapter 6. Abbreviations and Acronyms......189...

  • 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

    150Mbps and uplink speeds up to 50Mbps. 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: Specifications

    DWR-921 4G LTE Router Overview User Manual Specifications Hardware Processor · MT7620N (600MHz) 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 8 DWR-921 4G LTE Router Overview User Manual Software · Firewall functions Network Address Translation (NAT) · Stateful Packet Inspection (SPI) · IP filter · IPv6 filter · MAC filter · URL filter · · Prevention of ARP and DDoS attacks ·...
  • Page 9 DWR-921 4G LTE Router Overview User Manual Wireless Module Parameters Transmitter output power The maximum value of the transmitter · 15dBm output power depends upon the radio frequency regulations applied in your country · Receiver sensitivity 802.11b -86dBm at 11Mbps ·...

  • Page 10: 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 11 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 12: 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 13: Delivery Package

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

  • Page 14: Chapter 3. Installation And Connection

    DWR-921 4G LTE Router Installation and Connection User Manual CHAPTER 3. INSTALLATION AND CONNECTION Before You Begin Please, read this manual prior to installing the device. Make sure that you have all the necessary information and equipment. Operating System Configuration of the wireless router supporting 3G/LTE with a built-in switch DWR-921 (hereinafter referred to as “the router”) is performed via the built-in web-based interface.

  • Page 15: 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 16: Obtaining Ip Address Automatically In Os Windows 7

    DWR-921 4G LTE Router Installation and Connection User Manual Obtaining IP Address Automatically in OS Windows 7 1. Click the Start button and proceed to the Control Panel window. 2. Select the Network and Sharing Center section. (If the Control Panel has the category...
  • Page 17 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 17 of 191...
  • Page 18 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 18 of 191...
  • Page 19 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 20 DWR-921 4G LTE Router Installation and Connection User Manual 6. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. Click the OK button. Figure 7. The Internet Protocol Version 4 (TCP/IPv4) Properties window. 7. Click the OK button in the connection properties window.

  • Page 21: 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 22: Configuring Wi-Fi Adapter In Os Windows 7

    DWR-921 4G LTE Router Installation and Connection User Manual Configuring Wi-Fi Adapter in OS Windows 7 1. Click the Start button and proceed to the Control Panel window. 2. Select the Network and Sharing Center section. (If the Control Panel has the category...
  • Page 23 DWR-921 4G LTE Router Installation and Connection User Manual 6. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. Click the OK button. Figure 9. The Internet Protocol Version 4 (TCP/IPv4) Properties window. 7. Click the OK button in the connection properties window.
  • Page 24 User Manual 9. In the opened Wireless Network Connection window, select the wireless network DWR-921 and click the Connect button. Figure 11. 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 25: Connecting To Web-Based Interface

    (create a WAN connection, change the parameters of the wireless network, specify the settings of the firewall, etc.). For security reasons, DWR-921 with default settings cannot connect to the Internet. To get started, please set your own password used to access the web-based interface and, if needed, configure other settings recommended by your ISP.
  • Page 26 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 27: 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 15. The summary page. Page 27 of 191...
  • Page 28 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 29: 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 16. The Home page. Other settings of the router are available in the menu in the left part of the page.

  • Page 30: 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 32).

  • Page 31: 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 17. The web-based interface notifications. Click the icon displaying the number of notifications to view the complete list and click the relevant button.

  • Page 32: Chapter 4. Configuring Via Web-Based Interface

    If you perform initial configuration of the router via Wi-Fi connection, please make sure that you are connected to the wireless network of DWR-921 (see the WLAN name (SSID) on the barcode label on the bottom panel of the device) and click the NEXT button.
  • Page 33 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 Admin password field and the name of the wireless network in the Network name (SSID) field.

  • Page 34: Selecting Operation Mode

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Selecting Operation Mode 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. Then from the Work mode list select the Router value.
  • Page 35 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 36 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In order to connect your device to a wireless router for extending the range of the existing wireless network, on the Device mode page, from the Connection method list, select the Wi-Fi value.

  • Page 37: 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 3G/LTE modem mode. 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 38: Changing Lan Ipv4 Address

    ) with a dot at the end. 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 and Netmask fields and, if needed, the Gateway IP address field.

  • Page 39: 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 40 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Keys for WEP encryption. The router uses the key selected from the Encryption key Default key ID drop-down list. It is required to specify all the (1-4) fields. Click the Show icon ( ) to display the entered key.

  • Page 41: 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 42: Static Ipv4 Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Static IPv4 Connection Figure 33. The page for configuring Static IPv4 WAN connection. Fill in the following fields: IP address, Netmask, Gateway IP address, and DNS IP address. Page 42 of 191...

  • Page 43: Static Ipv6 Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Static IPv6 Connection Figure 34. The page for configuring Static IPv6 WAN connection. Fill in the following fields: IP address, Prefix, and Gateway IP address. Page 43 of 191...

  • Page 44: Pppoe, Ipv6 Pppoe, Pppoe Dual Stack

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual PPPoE, IPv6 PPPoE, PPPoE Dual Stack Figure 35. The page for configuring PPPoE WAN connection. In the Username field enter the login and in the Password field enter the password provided by your ISP.

  • Page 45: 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 3G/LTE modem, Router, Access point, WISP Repeater, and Repeater modes. 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 46 DWR-921 4G LTE Router 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 (available for the 3G/LTE modem, Router, and WISP Repeater modes only).

  • Page 47: 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 and WISP Repeater modes. On the IPTV page, select the Is an STB connected to the device checkbox.
  • Page 48 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 39. The page for selecting a LAN port to connect an VoIP phone. Select a free LAN port for connecting your IP phone.

  • Page 49: 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. 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 50 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 51: 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 52 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 43. The Multimedia Devices Connection Wizard. The advanced mode. In the WAN section, click the Add icon ( Figure 44.
  • Page 53 DWR-921 4G LTE Router 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 in the simple mode, left-click the selected element (the frame will disappear) and click the APPLY button.

  • Page 54: 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 table •...

  • Page 55: 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, as well as the IP address expiration periods (the lease time).

  • Page 56: Routing Table

    DWR-921 4G LTE Router 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. Figure 47. The Statistics / Routing Table page.

  • Page 57: Clients

    DWR-921 4G LTE Router 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 48. The Statistics / Clients page. For each device the following data are displayed: the IP address, the MAC address, and the network interface to which the device is connected.

  • Page 58: 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 59: Clients And Session

    DWR-921 4G LTE Router 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.

  • Page 60: 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 61 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 52. 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 62: 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, go to the All Settings tab. Then select the relevant value from the Connection Type drop-down list and specify the needed values.
  • Page 63 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 54. 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 64 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 55. The page for creating a new Static IPv4 connection. The Authorization via 802.1x Protocol section. Parameter Description Authorization via 802.1x Protocol Enable authorization Move the switch to the right to allow authorization in the ISP's via 802.1x protocol...
  • Page 65 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 56. 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 66 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 57. 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. Do not disable the function unless your ISP requires this.

  • Page 67: 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, go to the All Settings tab. Then select the relevant value from the Connection Type drop-down list and specify the needed values.
  • Page 68 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 59. 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 69 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 60. 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 70 DWR-921 4G LTE Router 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 61. The page for creating a new Static IPv6 connection. The Miscellaneous section.

  • Page 71: 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, go to the All Settings tab. Then select the relevant value from the Connection Type drop-down list and specify the needed values.
  • Page 72 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 63. 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 73 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 64. 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 74 DWR-921 4G LTE Router 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. If the switch is moved to the right, the LCP interval and LCP fails fields are available.
  • Page 75 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 65. 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. Do not disable the function unless your ISP requires this.

  • Page 76: Creating Pptp Or L2Tp Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating PPTP or L2TP 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 77 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 67. 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 78 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 79 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 68. The page for creating a new PPTP connection. The Miscellaneous section. Parameter Description Miscellaneous If the switch is moved to the right, the network address translation function is enabled. Do not disable the function unless your ISP requires this.

  • Page 80: 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, 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 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 70. The page for creating a new PPPoE 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 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 83 DWR-921 4G LTE Router 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. If the switch is moved to the right, the LCP interval and LCP fails fields are available.
  • Page 84 DWR-921 4G LTE Router 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 85 DWR-921 4G LTE Router 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. If the switch is moved to the right, the network address translation function is enabled.

  • Page 86: Creating Lte Wan Connection

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Creating LTE WAN Connection If the PIN code check is enabled for the SIM card inserted into the built-in modem, then prior to creating an LTE WAN connection, go to the LTE Modem menu and enter the PIN code on the page displayed (see the LTE Modem section, page 121).
  • Page 87 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 75. 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 88 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 76. 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 89 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 77. The page for creating a new LTE connection. The Health Check section. Parameter Description Health Check The Health Check function allows the router to constantly check the LTE connection status by checking availability of a remote host.
  • Page 90 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 78. 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. Do not disable the function unless your ISP requires this.

  • Page 91: 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 IPv4 address, configure the built-in DHCP server, or specify MAC address and IP address pairs.
  • Page 92 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 80. Configuring the local interface. The IPv4 tab. The Dynamic IP Addresses section. 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 93 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the Static IP Addresses section, you can specify MAC address and IPv4 address pairs (set a fixed IPv4 address in the local area network for a device with a certain MAC address). The router...

  • Page 94: Ipv6

    DWR-921 4G LTE Router 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 82. Configuring the local interface. The IPv6 tab. The Local IPv6 Address section.
  • Page 95 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 83. 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. Disable: clients' IPv6 addresses are assigned manually.
  • Page 96 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 97: Wan Reservation

    DWR-921 4G LTE Router 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 98 DWR-921 4G LTE Router 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 inactive (the router of inactive connection uses the reserve connection as a default gateway).

  • Page 99: 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 100 DWR-921 4G LTE Router 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 101 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To edit the settings of the basic wireless network, in the Wi-Fi Network section, change the needed parameters and click the APPLY button. Also you can create an additional wireless network. To do this, click the ADD WI-FI NETWORK button.
  • Page 102 DWR-921 4G LTE Router 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 103 DWR-921 4G LTE Router 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 104 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual When the Open or WEP value is selected, the following settings are displayed on the page (unavailable for the wireless network operating modes which support the standard 802.11n): Figure 89. The Open value is selected from the Network authentication drop-down list.
  • Page 105 DWR-921 4G LTE Router 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 90. The WPA2-PSK value is selected from the Network authentication drop-down list.
  • Page 106 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 91. The WPA2 value is selected from the Network authentication drop-down list.

  • Page 107: 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 92. The page for managing the wireless clients.

  • Page 108: 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 109 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 110: 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 111: 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 112: 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 113 DWR-921 4G LTE Router 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 114 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Admission Control Mandatory. If the switch is moved to the right, the device cannot use the relevant Access Category. Acknowledgment. Answering response requests while transmitting. Displayed only in the Access Point section.

  • Page 115: 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 96. The page for configuring the client mode.
  • Page 116 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 117: 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 97.
  • Page 118 DWR-921 4G LTE Router 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. Auto: The protection function is enabled and disabled automatically...

  • Page 119: 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 120 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 121: 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 built-in modem is not disabled, the relevant notification will be displayed in the top right corner of the page.

  • Page 122: Basic Settings

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Basic Settings On the LTE Modem / Basic Settings page, you can view data on the built-in modem and enable/disable the function for automatic creation of LTE WAN connection. Figure 102. The LTE Modem / Basic Settings page.

  • Page 123: Pin

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual On the LTE Modem / PIN page, you can change the PIN code of the SIM card inserted into the built-in modem, disable or enable the check of the PIN code.

  • Page 124: Sms

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 104. The LTE Modem / PIN page. The PUK code request. For further use of the card, in the Authorization section, enter the PUK code in the relevant field, and then specify a new PIN code for your SIM card in the New PIN code and New PIN code confirmation field.
  • Page 125 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 106. The LTE Modem / SMS page. In the SMS section, you can create and send a text message. In the Number field, enter the recipient's phone number; in the Message filed, enter the text of the message. Then click the SEND button.

  • Page 126: 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 groups of ports for VLANs • allow the router to connect to a private Ethernet line •...

  • Page 127: Vlan

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual VLAN On the Advanced / VLAN page, you can create and edit groups of ports for virtual networks (VLANs). By default, 2 groups are created in the router's system: lan: it includes ports 1-4. You cannot delete this group.
  • Page 128 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual You can specify the following parameters: Parameter Description Name A name for the port for easier identification. Enable Move the switch to the right to allow using this group of ports.

  • Page 129: Wan Remapping

    DWR-921 4G LTE Router 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. Figure 109. The Advanced / WAN Remapping page. To use one of the router's LAN port as the WAN port, click the icon corresponding to this port and click the APPLY button.

  • Page 130: Snmp

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual SNMP On the Advanced / SNMP page, you can enable and configure the SNMP agent of the router. The SNMP agent is a service which sends data on the state and settings of the device where is it enabled to the SNMP manager (the network management system of your ISP or system administrator).
  • Page 131 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In order to disable the SNMP agent, move the SNMP service status switch to the left and click the APPLY button. If the SNMP manager operates over SNMPv2c, create a read-only community which will be used by the SNMP manager to get data on the device.
  • Page 132 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the opened window, specify the needed parameters: Parameter Description Name Specify a username for access from the SNMP manager. Select a required authentication method from the drop-down list or Authentication protocol leave the None value if authentication is not required.

  • Page 133: 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 113. 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 134 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual If needed, you can add your own address resource record. To do this, click the ADD button ( Figure 114. 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.

  • Page 135: 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 115. The Advanced / DDNS page.
  • Page 136 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To edit parameters of the existing DDNS service, select the relevant line in the table. On the opened page, change the needed parameters and click the SAVE button. To remove an existing DDNS service, select the checkbox located to the left of the relevant line in...

  • Page 137: 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 138 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 118. The window for changing the settings of the router's port. In the opened window, specify the needed parameters: Parameter Description Data transfer mode. Select the auto value to enable autonegotiation. When this value is selected, the Autonegotiation Modes and Flow Control sections are displayed.
  • Page 139 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 140: 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 141: Routing

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Routing On the Advanced / Routing page, you can add static routes (routes for networks that are not connected directly to the device but are available through the interfaces of the device) into the system.
  • Page 142 DWR-921 4G LTE Router 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.

  • Page 143: 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 144 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Auto Configuration Server Settings URL address The URL address of the ACS provided by the ISP. Username The username to connect to the ACS. Password The password to connect to the ACS.

  • Page 145: Remote Access

    DWR-921 4G LTE Router 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 146 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description A host or a subnet to which the rule is applied. You can specify an IP address IPv4 or IPv6 address. For the IPv4-based network only. Mask The mask of the subnet.

  • Page 147: Upnp Igd

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual UPnP IGD On the Advanced / UPnP IGD page, you can enable the UPnP IGD protocol. The router uses the UPnP IGD protocol for automatic configuration of its parameters for network applications requiring an incoming connection to the router.

  • Page 148: 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. 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 149: 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 150 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 151: Ipsec

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual IPsec On the Advanced / IPsec page, you can configure VPN tunnels based on IPsec protocol. IPsec is a protocol suite for securing IP communications. Figure 128. The Advanced / IPsec page.
  • Page 152 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 129. The page for adding an IPsec tunnel. The General Settings section.
  • Page 153 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Identifier value Specify the local host identifier. Pre-shared key A key for mutual authentication of the parties. Select a WAN connection through which the tunnel will pass. When...
  • Page 154 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description Maximum Segment Size of a TCP packet. This parameter influences the size of a TCP packet which will be sent from a remote host to the router. TCP MSS If the Manual value is selected, you can specify the parameter in the TCP MSS Value field.
  • Page 155 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 130. The page for adding an IPsec tunnel. The First Phase / The Second Phase sections. Parameter Description The First Phase First phase Select encryption algorithm from the drop-down list.
  • Page 156 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description The lifetime of IPsec-SA keys in seconds. After the specified period it is required to renegotiate the keys. Specify 0 if you don't want to limit IPsec-SA lifetime the lifetime of the keys.

  • Page 157: 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 158 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 133. 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 159 DWR-921 4G LTE Router 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 160 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Parameter Description A port of the source IP address. You can specify one port, several Source port ports separated by a comma, or a range of ports separated by a colon.

  • Page 161: 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 134. The Firewall / Virtual Servers page.
  • Page 162 DWR-921 4G LTE Router 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. Select a virtual server template from the drop-down list, or select...
  • Page 163 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Click the APPLY button. To edit the parameters of an existing server, select the relevant line in the table. On the opened page, change the needed parameters and click the APPLY button.

  • Page 164: 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 165: 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 137. The Firewall / MAC Filter page. Select the needed action from the drop-down list in the Default mode section to configure...
  • Page 166 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 167: 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. Figure 139. The Firewall / URL Filter page. To enable the URL filter, in the General Settings section, move the Enable switch to the right,...

  • Page 168: 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 169: 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 170 DWR-921 4G LTE Router 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 Factory restore the factory defaults via the hardware RESET button (see the Front Panel section, page 10).

  • Page 171: Firmware Update

    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.

  • Page 172: 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 173: 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 174: 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 142. The System / Log page. The Settings tab.
  • Page 175 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Figure 143. The System / Log page. The Log tab. To view the latest system events, click the REFRESH button. To save the system log to your PC, click the EXPORT button. The file will be stored in the download location of your web browser.

  • Page 176: 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 177 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual To run the check, click the START button. After a while, the results will be displayed on the page. To remove the check result from the page, click the CLEAR button.

  • Page 178: 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 146. 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 179 DWR-921 4G LTE Router Configuring via Web-based Interface User Manual In the opened window, you can specify the following parameters: Parameter Description Specify the TTL (Time to live) parameter value. The default value is Maximum TTL value Number of probes The number of attempts to hit an intermediate host.

  • Page 180: Telnet

    DWR-921 4G LTE Router Configuring via Web-based Interface User Manual Telnet On the System / Telnet page, you can enable or disable access to the device settings via TELNET from your LAN. Access via TELNET is disabled by default. It is automatically enabled after changing the default administrator password.

  • Page 181: 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 182 DWR-921 4G LTE Router 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 Settings section to the right and click the APPLY button.

  • Page 183: Yandex.dns

    DWR-921 4G LTE Router 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 184 DWR-921 4G LTE Router 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 •...

  • Page 185: Devices And Rules

    DWR-921 4G LTE Router 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 151. The Yandex.DNS / Devices and Rules page.
  • Page 186 DWR-921 4G LTE Router 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. IP address The IP address of a device from the router's LAN.

  • Page 187: 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 188: 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 189: 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 Address Resolution Protocol BSSID Basic Service Set Identifier Cyclic Redundancy Check DDNS Dynamic Domain Name System DDoS Distributed Denial of Service...
  • Page 190 DWR-921 4G LTE Router Abbreviations and Acronyms User Manual Network Time Protocol OFDM Orthogonal Frequency Division Multiplexing Push Button Configuration Personal Identification Number PPPoE Point-to-point protocol over Ethernet PPTP Point-to-point tunneling protocol Pre-shared key PIN Unlock Key Quality of Service...
  • Page 191 DWR-921 4G LTE Router Abbreviations and Acronyms User Manual WLAN Wireless Local Area Network Wi-Fi Multimedia Wi-Fi Protected Access Wi-Fi Protected Setup Page 191 of 191...

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