D-Link DSL-2740B - Manual

DSL-2740B Wireless ADSL Router User Guide vi Packing List Open the shipping carton and carefully remove all items. Make sure that you have the items listed here. • One DSL-2740B Wireless ADSL Ethernet Router • One CD-ROM containing the User’s Guide and Quick Installation Guide • One twisted-pair tel...

DSL-2740B Wireless ADSL Router User Guide vii Security for wireless communication can be accomplished in a number of ways. The DSL-2740B supports WPA (Wi-Fi Protected Access), WPA2, and mixed WPA/WPA2. Wireless access can also be controlled by selecting MAC addresses that are allowed to associate wi...

DSL-2740B Wireless ADSL Router User Guide viii Router, you may choose among the numerous options available on the Modulation Type drop-down menu on the ADSL Configuration window ( Advanced > ADSL ) Security Protocol This is the method your ADSL service provider will use to verify your Username an...

DSL-2740B Wireless ADSL Router User Guide ix Information you will need about your DSL-2740B Wireless ADSL Router: Username This is the Username needed access the Router’s management interface. When you attempt to connect to the device through a web browser you will be prompted to enter this Username...

DSL-2740B Wireless ADSL Router User Guide 1 1 Introduction This section provides a brief description of the Router, its associated technologies, and a list of Router features. Router Description and Operation The DSL-2740B Wireless ADSL Router is designed to provide connectivity for your private Eth...

DSL-2740B Wireless ADSL Router User Guide 2 Router Features The DSL-2740B ADSL Router utilizes the latest ADSL enhancements to provide a reliable Internet portal suitable for most small to medium sized offices. DSL-2740B advantages include: • PPP (Point-to-Point Protocol) Security – The DSL-2740B AD...

DSL-2740B Wireless ADSL Router User Guide 3 Standards Compatibility and Compliance The DSL-2740B complies with or is compatible with the following standards as recognized by their respective agencies. • ITU G.992.1 (G.DMT) compliant • ITU G.992.2 (G.lite “Splitterless ADSL”) compliant • ITU-T Rec. I...

DSL-2740B Wireless ADSL Router User Guide 4 Front Panel Display Place the Router in a location that permits an easy view of the LED indicators on the front panel. The LED indicators on the front panel include Power, LAN 1-4 , WLAN , DSL , and Internet . The LAN, WLAN, and Internet indicators monitor...

DSL-2740B Wireless ADSL Router User Guide 5 Rear Panel Connections All cable connections to the Router are made at the rear panel. Connect the power adapter here to power on the Router. Use the Reset button to restore the settings to the factory default values in the next chapter for instructions on...

DSL-2740B Wireless ADSL Router User Guide 6 Setting Up a Wireless Network In order to get the best performance from the wireless component of the Router, you should have some basic understanding of how wireless networks operate. Wireless networking is a relatively new technology and there are more f...

DSL-2740B Wireless ADSL Router User Guide 7 Location and Wireless Operation Many physical environmental factors can impact wireless networks. Radio waves are used to carry the encoded data between devices. These radio transmissions can become degraded due to signal attenuation, multi-path distortion...

DSL-2740B Wireless ADSL Router User Guide 8 2 Hardware Installation The DSL-2740B Wireless ADSL Router maintains three separate interfaces, an Ethernet LAN, a wireless LAN and an ADSL Internet (WAN) connection. Carefully consider the Router’s location suitable for connectivity for your Ethernet and ...

DSL-2740B Wireless ADSL Router User Guide 9 Network Connections Wired network connections are provided through the ADSL port and the four Ethernet ports on the back of the Router. See the Rear Panel diagram above and the illustrations below for examples Connect ADSL Line Use the ADSL cable included ...

DSL-2740B Wireless ADSL Router User Guide 10 Computer to Router Connection You can connect the Router directly to a 10/100BASE-TX Ethernet adapter card (NIC) installed on a PC using the Ethernet cable provided as shown in this diagram.

DSL-2740B Wireless ADSL Router User Guide 12 3 Basic Router Configuration The first time you set up the Router it is recommended that you configure the ADSL (WAN) connection using a single computer making sure that both the computer and the Router are not connected to the LAN. Once the WAN connectio...

DSL-2740B Wireless ADSL Router User Guide 13 Access the Configuration Manager In order to make sure your computer’s IP settings allow it to communicate with the Router, it is advisable to configure your system be a DHCP client – that is, it will get IP settings from the Router. Appendix B describes ...

DSL-2740B Wireless ADSL Router User Guide 14 Configure the Router When you successfully connect to the web manager, the Home directory tab will display the Setup Wizard window. You can launch the Setup Wizard from this page or use the buttons located in the left panel of the web page to view other w...

DSL-2740B Wireless ADSL Router User Guide 15 All configuration and management of the Router is done using the web-based management interface pictured in the above example. The configuration windows are accessed by clicking on the directory tabs: Home , Advanced , Tools , and Status . Each tab has as...

DSL-2740B Wireless ADSL Router User Guide 19 Additional configurations available for PPP connection: PPP Connection Parameters Description Dial on demand The Dial on demand function, if checked, will tear down the PPP link automatically when there is no incoming/outgoing packet via WAN interface for...

DSL-2740B Wireless ADSL Router User Guide 20 Using the Setup Wizard - For Dynamic IP (1483 Bridge) connection: 1. Select the specific Connection Type and Encapsulation Mode . 2. Select Obtain an IP address/Default gateway/DNS server automatically . 3. Click Next to go to the next Setup Wizard window...

DSL-2740B Wireless ADSL Router User Guide 23 Using the Setup Wizard - For Bridge Mode connections: 1. Select the specific Connection Type and Encapsulation Mode . 2. Click Next to go to the next Setup Wizard window. Using the Setup Wizard - For WAN Connection Settings: 1. Select the specific functio...

DSL-2740B Wireless ADSL Router User Guide 24 Using the Setup Wizard - For LAN Settings: You can configure the LAN IP address to suit your preference. Many users will find it convenient to use the default settings together with DHCP service to manage the IP settings for their private network. The IP ...

DSL-2740B Wireless ADSL Router User Guide 25 Using the Setup Wizard - For Wireless LAN Settings: 1. Click the Enable Wireless box to allow the router to operate in the wireless environment. 2. The SSID identifies members of the Service Set. Accept the default name or change it to something else. If ...

DSL-2740B Wireless ADSL Router User Guide 26 Using the Setup Wizard - Finish and Restart Finally you can confirm that the setup process is completed. If you are satisfied that you have entered all the necessary information correctly, click the Save/Reboot button to save the new configuration setting...

DSL-2740B Wireless ADSL Router User Guide 28 ADSL Settings Window Additional information for you to help you configure your WAN connections: ATM Settings: The ATM settings in the ADSL Settings windows for the different connection types can be used to adjust QoS parameters for ADSL clients. This may ...

DSL-2740B Wireless ADSL Router User Guide 29 by bursts of packets at variable intervals, and some moderate packet loss and delay is acceptable. This category is typically used for audio and video applications such as teleconferencing. The network must support QoS Class 2 to use VBR. PCR Peak Cell Ra...

DSL-2740B Wireless ADSL Router User Guide 30 WLAN To access the WLAN Settings window, click on the WLAN link button on the left side of the first window that appears when you successfully access the web manager. WLAN Settings Window Click the Enable Wireless box to allow the router to operate in the...

DSL-2740B Wireless ADSL Router User Guide 32 LAN Settings Window To change the LAN IP Address or Subnet Mask , type in the desired values and click the Save Settings button. You will be asked to reboot by a pop-up window. Click OK to reboot the router. You might need to re-configure your PC NIC seet...

DSL-2740B Wireless ADSL Router User Guide 33 Parameters Description UPnP UPnP supports zero-configuration networking and automatic discovery for many types of networked devices. When enabled, it allows other devices that support UPnP to dynamically join a network, obtain an IP address, convey its ca...

34 DNS The Router can be configured to relay DNS settings from your ISP or another available service to workstations on your LAN. When using DNS relay, the Router will accept DNS requests from hosts on the LAN and forward them to the ISP’s, or alternative DNS servers. DNS relay can use auto discover...

35 When you have configured the DNS settings as desired, click the Save Settings button.

36 4 Advanced Router Management Directory Configuration and Read-only Windows Setup Click the Setup tab to access the Wizard, ADSL Settings, WLAN Settings, LAN Settings, and DNS Setup. See the previous chapter for a description of the Setup directory windows. Advanced Click the Advanced tab to acces...

37 Route, ARP, DHCP Clients, WLAN Station, and System Log. ADVANCED ADSL The ADSL Configuration window allows the user to set the configuration for ADSL protocols. For most ADSL accounts the default settings (ADSL2+) will work. This configuration works with all ADSL implementations. Do not change an...

38 ADVANCED WLAN ADVANCED WLAN page allows you to tweek more advanced wireless settings. Most users will do just fine using default settings. ADVANCED WLAN Window Configure these parameters for your router: WLAN Parameters Description AP Isolation This is used to islolate wireless clients which conn...

39 Channel Operation channel of your access point. Channel availability is different for different countries due to their regulation. 802.11 Mode Select Mixed 802.11ng and 802.11b to operate in b/g/n mode. Or select specified mode to use. Bandwidth Channel bandwidth. Maximum rate for 20 MHz is 130 M...

40 5. Click the Save Settings button to apply settings. WLAN SECURITY Window – WEP Notice If encryption of any kind, at any level is applied to the Router, all devices on the network must comply with all security measures. 802.1x Some network-security experts now recommend that wireless networks use...

41 1. Select 802.1x from the Network Authentication drop-down list. 2. Enter your RADIUS server data: IP Address, Port, and Key . 3. Configure WEP Encryption. (See above section for detail.) 4. Click the Save Settings button to apply settings. WLAN SECURITY Window – 802.1x WPA-PSK WPA-PSK configurat...

42 WLAN Security Window – WPA-PSK WPA (Wi-Fi Protected Access) Wi-Fi Protected Access was designed to provide improved data encryption, perceived as weak in WEP, and to provide user authentication, largely nonexistent in WEP. To take full advanteage of WPA, a RADIUS server is needed in your network ...

43 4. Click Save Settings to apply your settings. WLAN Security Window – WPA WLAN Filter The WLAN Filter is used to control wireless client devices access based on their MAC addresses. You can choose to allow or deny the specific MAC addresses. 1. Click the Add button to enter WLAN Filter configurat...

44 WLAN FILTER Window WLAN BRIDGE Wireless bridge is used to bridge AP traffic between other APs. You can select Wireless Bridge (also known as Wireless Distribution System) to disables access point functionality. Selecting Access Point enables access point functionality. Wireless bridge functionali...

45 Notice Wlreless Bridge function is available only when 802.11n is disabled. Please go to ADVANCED WLAN page to disable 802.11n before configuring Wireless Bridge. 1. Select AP Mode from the drop-down list. 2. Select Enabled in Bridge Restrict drop-down list and enter the MAC address of the AP whi...

46 WLAN QOS WLAN QoS (Quality of Service), also called WMM (Wi-Fi Multi-media), is used to prioritize the wireless packets when you are using wireles device transmitting delay-sensitive packets (voice, video,..etc). Notice WMM is not supported by IEEE 802.11n yet. You must trun off 802.11n in ADVANC...

48 WLAN QoS Window (2) FIREWALL The Firewall Configuration window allows the Router to enforce specific predefined policies intended to protect against certain common types of attacks. There are two general types of protection (DoS, Port Scan) that can be enabled on the Router, as well as filtering ...

49 traffic, attempts to disrupt connections between two machines, thereby preventing access to a service, attempts to prevent a particular individual from accessing a service, or, attempts to disrupt service to a specific system or person. Port scan protection is designed to block attempts to discov...

50 VIRTUAL SERVER Use the Virtual Server window to set up single-port or static-port range forwarding rules applied to inbound (WAN-to- LAN) traffic. The Virtual Server function allows remote users to access services on your LAN such as FTP for file transfers or SMTP and POP3 for e-mail. The DSL-274...

51 VIRTUAL SERVER window 1. Click the Add A Rule button to enter your virtual server configuration window. 2. Select a service from the drop down list for pre-configured server or select Custom Server to define your own server. 3. Enter your server IP address, protocol and port number. 4. Click Add ...

52 PORT TRIGGERING Window Configure these parameters for port triggering on the router: Virtual Server Category Description Trigger Port Start/End Triggered port number initiated by local host Trigger Protocol Triggered protocol initiated by local host Open Port Start/End Opened port number(s) for r...

53 Open Protocol Opened protocol for remote users DMZ Since some applications are not compatible with NAT, the Router supports use of a DMZ IP address for a single host on the LAN. This IP address is not protected by NAT and will therefore be visible to agents on the Internet with the right type of ...

54 To designate a DMZ IP address, type in the IP Address of the server or device on your LAN in the DMZ Host IP Address box, and click the Save Settings button. To remove DMZ status from the designated IP address, clear the IP address in the box and click the Save Settings button. OUTGOING IP FILTER...

56 INCOMING IP FILTER By default, all incoming packets are blocked if Firewall is enabled. But you can allow specific type of packets to be accepted by setting up incoming IP filter. 1. Click the Add A Rule button to enter your incoming IP filter configuration window. 2. Enter the filter name and at...

57 INCOMING IP FILTER Window BRIDGE FILTER Bridge filters are used to block or allow various types of packets through the WAN interface. This may be done for security or to improve network efficiency. The rules are configured for individual devices based on MAC address. Filter rules can be set up fo...

58 1. Click Chnage Policy button to change bridge filter policy between Forwarded and Blocked . 2. Click the Add A Rule button to enter your bridge filter configuration window. 3. Select Protocol Type from the drop-down list, or leave it blank for all protocols. 4. Enter the Destination/Source MAC a...

59 PARENT CONTROL Parent control is used to prevent specific local hosts from accessing Internet based on their MAC address. 1. Click the Add A Rule button to enter your parent control configuration window. 2. Enter the user name and MAC address of the restricted PC. 3. Select days and enter time fr...

60 PARENT CONTROL Window URL FILTER URL filter is used to control Internet website access. You can decide that your local hosts can access these specific websites only, or can not access these websites only. 1. Select from the drop-down list Turn on Website Filtering ( Allow or Deny ). 2. Enter the ...

61 URL FILTER Window QUALITY OF SERVICE QoS (Quality of Service) is a traffic class rule to classify the upstream traffic, assign queuing priority and optionally overwrite the IP header TOS byte. This is to ensure that the delay-sensitive traffic has higher priority to go to Internet. IP Precedence ...

62 2. Enter the name of the rule. 3. Assign ATM priority from the Assign ATM Transmit Priority drop-down list. 4. Check Enable Differentiated Service Configuration box if it is supported by your ISP. 5. Select the optional marking on IP Precedence and TOS from the Mark IP Precedence and Mark IP Type...

63 All of the specified conditions in this classification rule must be satisfied for the rule to take effect. To delete the configured QoS rule, check the box in Remove field and click Remove button on top. ROUTING Use Static Routing to specify a route used for data traffic within your Ethernet LAN ...

64 ROUTING Window RIP The Router supports RIP v1 and RIP v2 used to share routing tables with other Layer 3 routing devices on your local network or remote LAN. 1. Click the Enabled radio button to enable the router RIP function. 2. Select RIP Version and Operation mode from the drop-down list.

65 3. Check Enabled box and click Save Settings to apply your settings. To disable RIP, click Disabled radio button and click Save Settings . RIP Window More on RIP settings: RIP Parameters Description

66 Interface The interface which RIP function is applied. Version RIP has two versions available: RIP 1 and RIP 2 . RIP 1 uses classed routing table and RIP 2 uses classless routing table. Operation Two operation modes are available: Active and Passive . Active mode: Router listens and shares routin...

67 PORT MAPPING Window (1) 2. Click Add button to enter port mapping configuration window. 3. Enter the group name and select the specific interfaces from Available Interfaces (Default group) to Grouped Interfaces . 4. Click Save Settings to apply your settings.

69 TOOLS Click the Tools tab to reveal the window buttons for various functions located in this directory. The Diagnostics window is the first item in the Tools directory. The Diagnostic Test window is used to test connectivity of the Router. A Ping test may be done through the local or external int...

70 BACKUP SETTINGS Once you have configured the Router to your satisfaction, it is a good idea to back up the configuration file to your computer. To save the current configuration settings to your computer, click the Backup Settings button in the Tools directory to display the window. Click the Bac...

71 UPDATE SETTINGS To load a previously saved configuration file, click the Browse button and locate the file on your computer. Click the Update Settings button to load settings from local hard drive. Confirm that you want to load the file when prompted and the process is completed automatically. Th...

72 RESTORE DEFAULT Window TR069 CLIENT TR-069 is a WAN Management Protocol which allows an Auto-Configuration Server (ACS) to perform auto- configuration, provision, collection, and diagnostics to this device. You should have all the necessary information frm your ISP if TR-069 is implemented by you...

73 3. Click Save/Apply to apply your settings. TR-069 CLIENT Window SNMP CONFIGURATION Simple Network Management Protocol is a standard for internetwork and intranetwork management. Please contact your ISP for all necessary information before configuring SNMP. 1. Click Enable radio button in SNMP Ag...

74 3. Click Save/Apply to apply your settings. SNMP CONFIGURATION Window DDNS The Router supports DDNS (Dynamic Domain Name Service). The Dynamic DNS service allows a dynamic public IP address to be associated with a static host name in any of the many domains, allowing access to a specified host fr...

76 Configure these parameters for DDNS: DDNS Parameters Description DDNS Server Select one of the DDNS registration organizations form those listed in the pull-down menu. Available servers include DynDns.org and TZO. Host Name Enter the host name of your server. Interface Select your WAN interface (...

77 TIME Window ACCESS SERVICE You can select to enable or disable of which management services from being used in your router, for LAN and/or WAN interface. You need configure at least one WAN interface (except Bridge) before settings up service control list on WAN interface. Access Service is not a...

78 2. Click the Save/Apply button to apply your settings. CAUTION: If you disable HTTP service, you’ll not be able to access the router’s configuration window permanently. ACCESS SERVICE Window

79 ACCESS IP The IP Address Access Control mode, if enabled, permits access to local management services from IP addresses contained in the Access Control List. The available management services are configured in the Access Service . 1. Click Add button to enter access IP address configuration windo...

80 ACCESS IP Window PASSWORD Access to your router is controlled through three user accounts: admin , support , and user . The user name admin has unrestricted access to change and view configuration of your router. The user name support is used to allow an ISP technician to access your router for m...

81 UPDATE FIRMWARE Use the Firmware Upgrade window to load the latest firmware for the device. Note that the device configuration settings may return to the factory default settings, so make sure you save the configuration settings with the System Settings window described above. To upgrade firmware...

83 STATUS Use these windows to view system information and monitor performance. DEVICE INFO Use the Device Information window to quickly view basic current information about the router and device information including Firmware Version and ADSL connection status. DEVICE INFO window

84 ADSL This window displays ADSL information including Link Rate, SNR, and some Error Counters. ADSL Window LAN This window displays LAN information including IP address, Mask, and DCHP pool.

85 LAN Window WAN This window displays WAN information including IP address, Mask, Dafault Gateway, Primary/Secondary DNS Server.

86 WAN Window ATM This window displays ATM information including Cell Count and someError Counters.

87 ATM Window ROUTE This window displays the Routing Table of the router.

88 ROUTE Window ARP This window displays ARP Table of the router’s LAN port.

89 ARP Window DHCP CLIENTS This window displays all the client devices which have obtained IP addresses from the router.

90 DHCP CLIENTS window WLAN STATION This window displays authenticated wireless stations and their status.

91 WLAN STATION Window SYSTEM LOG The system log displays chronological event log data. The event log can be read from local host or sent to syslog server. The available event severity levels are: Emergency , Alert, Critical, Error, Warning, Notice, Informational and Debugging,

92 SYSTEM LOG window (1) 1. Click Configure System Log button to enter system log configuration window. 2. Click Enable radio button and select Log/Display Level from the drop down list. 3. Select display mode from the Mode drop-down list; enter the syslog server IP address and port number if Both/R...

95 A Technical Specifications General Standards: ADSL Standards • ANSI T1.413 Issue 2 • ITU G.992.1 (G.dmt) AnnexA • ITU G.992.2 (G.lite) Annex A • ITU G.994.1 (G.hs) • ITU G.992.5 Annex A ADSL2 Standards • ITU G.992.3 (G.dmt.bis) Annex A • ITU G.992.4 (G.lite.bis) Annex A Protocols: • IEEE 802.1d S...

96 Physical and Environmental DC Inputs: Power Adapter: Input: 120V AC 60Hz Output: 12V AC, 1200mA Power Consumption: 12 Watts (max) Operating Temperature: 0° to 40°C Storage Temperature -20° to 70°C Humidity: 5% to 95% (non-condensing) Dimensions: 109 mm x 142.8 mm x 32.1 mm Weight: 200 gm EMI: CE ...

97 Wireless Modulation IEEE 802.11b: DQPSK, DBPSK, DSSS, and CCK IEEE 802.11g: BPSK, QPSK, 16QAM, 64QAM, OFDM Frequency 2400 ~ 2484.5MHz ISM band Channels 11 channels for United States 13 channels for European Countries 13 channels for Japan Wireless Data Rates IEEE 802.11b: 11, 5.5, 2, and 1Mbps IE...

98 B Configuring IP Settings on Your Computer In order to configure your system to receive IP settings from the Router it must first have the TCP/IP protocol installed. If you have an Ethernet port on your computer, it probably already has TCP/IP protocol installed. If you are using Windows XP the T...

99 3. In the Network and Internet Connections window, click Network Connections . 4. In the Network Connections window, right-click on Local Area Connection , then click Properties . Right-click on the Local Area Connection icon and select the Properties option from the pull-down menu. Click Network...

100 5. In the General tab of the Local Area Connection Properties window, highlight Internet Protocol (TCP/IP) under “This connection uses the following items:” by clicking on it once. Click on the Properties button. 6. Select “Obtain an IP address automatically” by clicking once in the circle. Clic...

101 Windows 2000 First, check for the IP protocol and, if necessary, install it: 1. In the Windows task bar, click the Start button, point to Settings , and then click Control Panel . 2. Double-click the Network and Dial-up Connections icon. 3. In the Network and Dial-up Connections window, right-cl...

102 Windows 95 and Windows 98 First, check for the IP protocol and, if necessary, install it: 1. In the Windows task bar, click the Start button, point to Settings , and then click Control Panel . Double-click the Network icon. 2. The Network dialog box displays with a list of currently installed ne...

104 C Low Pass Filters for DSL Most ADSL clients will be required to install a simple device that prevents the ADSL line from interfering with regular telephone services. These devices are commonly referred to as microfilters or low pass filters. The two basic styles of low pass filters commonly use...

105 Three Port Filter Another style of filter is installed at the same point where the Router connects to the telephone line. Only a single filter is required. The connection ports are typically labeled as follows: Line - This port connects to the wall jack. ADSL – This port connects to the Router. ...