D-Link DIR-855 User Manual

D-Link DIR-855 - Xtreme N Duo Media Router Wireless Manual

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  • D-Link DIR-855 | User Manual - Page 1
  • D-Link DIR-855 | User Manual - Page 2
    person or organization of such revisions or changes. Manual Revisions Revision 1.0 1.1 Date November 13, 2007 April 23, 2008 Description DIR-855 Revision A1 with Firmware version 1.00 Updated warranty information Trademarks D-Link and the D-Link logo are trademarks or registered trademarks of
  • D-Link DIR-855 | User Manual - Page 3
    Wizard 39 Website Filters 42 Inbound Filters 43 Firewall Settings 44 Application Level Gateway (ALG) Configuration 45 Router Settings 46 Advanced Wireless Settings 47 802.11n/g (2.4GHz 47 802.11n/a (5GHz 48 WISH Settings 49 Advanced Network Settings 51 D-Link DIR-855 User Manual ii
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    79 Troubleshooting 81 Wireless Basics 85 What is Wireless 86 Tips 88 Wireless Modes 89 Networking Basics 90 Check your IP address 90 Statically Assign an IP address 91 Technical Specifications 92 Contacting Technical Support 93 Warranty 94 Registration 100 D-Link DIR-855 User Manual
  • D-Link DIR-855 | User Manual - Page 5
    D-Link DIR-855 Xtreme N™ Duo™ Router Power Adapter Ethernet Cable CD-ROM Stand Note: Using a power supply with a different voltage rating than the one included with the DIR-855 will cause damage and void the warranty for this product. D-Link DIR-855 User Manual 
  • D-Link DIR-855 | User Manual - Page 6
    Cable or DSL modem • IEEE 802.11n-draft or 802.11g wireless clients • IEEE 802.11a wireless clients • 10/100/1000 Ethernet Computer with the following: • with the following: • Windows® XP with Service Pack 2 or Vista® • An installed Ethernet adapter • CD-ROM drive D-Link DIR-855 User Manual 
  • D-Link DIR-855 | User Manual - Page 7
    to protect your network against outside intruders TOTAL COVERAGE Provides greater wireless signal rates even at farther distances for best-in-class Whole Home Coverage. ULTIMATE PERFORMANCE The D-Link Xtreme N™ Duo™ router (DIR-855) is a draft 802.11n/802.11a compliant device that delivers real
  • D-Link DIR-855 | User Manual - Page 8
    . It supports multiple and concurrent IPSec and PPTP sessions, so users behind the DIR-855 can securely access corporate networks. • User-friendly Setup Wizard - Through its easy-to-use Web-based user interface, the DIR-855 lets you control what information is accessible to those on the wireless
  • D-Link DIR-855 | User Manual - Page 9
    default settings. LAN Ports (1-4) Connect Ethernet devices such as computers, switches, and hubs. Internet Port The auto MDI/MDIX Internet port is the connection for the Ethernet cable to the cable or DSL modem. Power Receptor Receptor for the supplied power adapter. D-Link DIR-855 User Manual
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    connectivity. 2 Menu Select to display the OLED main menu. 3 Performance Select to display statistics of the LAN, WAN, and wireless connections. 4 WPS Displays the WPS status. 5 Date/Time Displays the routers date and time. 6 DHCP Displays the DHCP status. D-Link DIR-855 User Manual 
  • D-Link DIR-855 | User Manual - Page 11
    the Setup Wizard from the D-Link CD, make sure the computer you are running the CD from is connected to the Internet and online or the wizard will not work. If you have disconnected any hardware, re-connect your computer back to the modem and make sure you are online. D-Link DIR-855 User Manual 
  • D-Link DIR-855 | User Manual - Page 12
    to position access points, wireless routers, and computers wireless connection may degrade dramatically or drop completely. Make sure your 2.4GHz phone base is as far away from your wireless devices as possible. The base transmits a signal even if the phone in not in use. D-Link DIR-855 User Manual
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    Section 2 - Installation Network Diagram D-Link DIR-855 User Manual 
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    or plug in your modem. Wait for the modem to boot (about 30 seconds). 6. Plug the power adapter to the router and connect to an outlet or power strip. Wait about 30 seconds for the router to boot. 7. Turn on your computer. 8. Refer to page 13 to configure your router. D-Link DIR-855 User Manual 10
  • D-Link DIR-855 | User Manual - Page 15
    and the subnet mask of your network. Click Save Settings to save your settings. Use this new IP address to access the configuration utility of the router in the future. Close the browser and change your computer's IP settings back to the original values as in Step 1. D-Link DIR-855 User Manual 11
  • D-Link DIR-855 | User Manual - Page 16
    connect other Ethernet devices and computers.To configure your wireless network, open a web browser and enter the IP address you assigned to the router. Refer to the Configuration and Wireless Security sections for more information on setting up your wireless network. D-Link DIR-855 User Manual 12
  • D-Link DIR-855 | User Manual - Page 17
    Getting Started The DIR-855 includes a Quick Router Setup Wizard CD. Follow the simple steps below to run the Setup Wizard to guide you quickly through the installation process. Insert the Quick Router Setup Wizard CD in the CD-ROM drive. The step-by-step instructions that follow are shown
  • D-Link DIR-855 | User Manual - Page 18
    and enter the IP address of the router (192.168.0.1). Select Admin from the drop-down menu and then enter your password. Leave the password blank by default. If you get a Page Cannot be Displayed error, please refer to the Troubleshooting section for assistance. D-Link DIR-855 User Manual 14
  • D-Link DIR-855 | User Manual - Page 19
    Setup Wizard Click Launch Internet Connection Setup Wizard to begin. If you want to enter your settings without running the wizard, click Manual Configuration and skip to page 19. Click Next to continue. Create a new password and then click Next to continue. D-Link DIR-855 User Manual
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    , click Clone Your PC's MAC Address and then click Next to continue. The Host Name is optional but may be required by some ISPs. The default host name is the device name of the router and may be changed. D-Link DIR-855 User Manual 16
  • D-Link DIR-855 | User Manual - Page 21
    software from your computer. The software is no longer needed and will not work through a router. If you selected PPTP, enter your PPTP username and password. Click Next to continue. If you selected L2TP, enter your L2TP username and password. Click Next to continue. D-Link DIR-855 User Manual 17
  • D-Link DIR-855 | User Manual - Page 22
    . Click Connect to save your settings. Once the router is finished rebooting, click Continue. Please allow 1-2 minutes to connect. Close your browser window and reopen it to test your Internet connection. It may take a few tries to initially connect to the Internet. D-Link DIR-855 User Manual 18
  • D-Link DIR-855 | User Manual - Page 23
    MAC address on the Broadband Router. It is not recommended that you change the default MAC address unless required by your ISP. You can use the Clone Your PC's MAC Address button to replace the Internet port's MAC address with the MAC address of your Ethernet card. D-Link DIR-855 User Manual 19
  • D-Link DIR-855 | User Manual - Page 24
    MAC address on the Broadband Router. It is not recommended that you change the default MAC address unless required by your ISP. You can use the Clone Your PC's MAC Address button to replace the Internet port's MAC address with the MAC address of your Ethernet card. D-Link DIR-855 User Manual 20
  • D-Link DIR-855 | User Manual - Page 25
    then retype the password in the next box. Reconnect Mode: Select either Always-on, On-Demand, or Manual. Maximum Idle Time: Enter a maximum idle time during which the Internet connection is maintained during inactivity. To disable this feature, enable Auto-reconnect. D-Link DIR-855 User Manual 21
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    MAC address on the Broadband Router. It is not recommended that you change the default MAC address unless required by your ISP. You can use the Clone Your PC's MAC Address button to replace the Internet port's MAC address with the MAC address of your Ethernet card. D-Link DIR-855 User Manual 22
  • D-Link DIR-855 | User Manual - Page 27
    -Demand, or Manual. Maximum Idle Time: Enter a maximum idle time during which the Internet connection is maintained during inactivity. To disable this feature, enable Auto-reconnect. DNS Servers: Enter the Primary and Secondary DNS Server Addresses (Static L2TP only). D-Link DIR-855 User Manual 23
  • D-Link DIR-855 | User Manual - Page 28
    on the Broadband Router. It is not Address: recommended that you change the default MAC address unless required by your ISP. You can use the Clone Your PC's MAC Address button to replace the Internet port's MAC address with the MAC address of your Ethernet card. D-Link DIR-855 User Manual 24
  • D-Link DIR-855 | User Manual - Page 29
    MAC address on the Broadband Router. It is not recommended that you change the default MAC address unless required by your ISP. You can use the Clone Your PC's MAC Address button to replace the Internet port's MAC address with the MAC address of your Ethernet card. D-Link DIR-855 User Manual 25
  • D-Link DIR-855 | User Manual - Page 30
    channel setting for an existing wireless network or to customize the wireless network. If you enable Auto Channel Scan, this option will be greyed out. Transmission Rate: Select the transmit rate. It is strongly suggested to select Best (Auto) for best performance. D-Link DIR-855 User Manual 26
  • D-Link DIR-855 | User Manual - Page 31
    is selected, the SSID of the DIR-855 will not be seen by Site Survey utilities so your wireless clients will have to know the SSID of your DIR-855 in order to connect to it. Wireless Security: Refer to page 67 for more information regarding wireless security. D-Link DIR-855 User Manual 27
  • D-Link DIR-855 | User Manual - Page 32
    channel setting for an existing wireless network or to customize the wireless network. If you enable Auto Channel Scan, this option will be greyed out. Transmission Rate: Select the transmit rate. It is strongly suggested to select Best (Auto) for best performance. D-Link DIR-855 User Manual 28
  • D-Link DIR-855 | User Manual - Page 33
    is selected, the SSID of the DIR-855 will not be seen by Site Survey utilities so your wireless clients will have to know the SSID of your DIR-855 in order to connect to it. Wireless Security: Refer to page 67 for more information regarding wireless security. D-Link DIR-855 User Manual 29
  • D-Link DIR-855 | User Manual - Page 34
    Mask. The default subnet mask is 255.255.255.0. Local Domain: Enter the Domain name (Optional). Enable DNS Relay: Uncheck the box to transfer the DNS server information from your ISP to your computers. If checked, your computers will use the router for a DNS server. D-Link DIR-855 User Manual 30
  • D-Link DIR-855 | User Manual - Page 35
    pool. Enable DHCP Check this box to enable the DHCP server on your Server: router. Uncheck to disable this function. DHCP IP Address Enter the starting and ending IP for some DHCP clients. Add DHCP Refer to the next page for the DHCP Reservation Reservation: function. D-Link DIR-855 User Manual 31
  • D-Link DIR-855 | User Manual - Page 36
    computer or device to always have the same IP address assigned, you can create a DHCP reservation. The router will assign the IP address only to that computer or device. Note: This IP address must be within click Save Settings at the top to activate your reservations. D-Link DIR-855 User Manual 32
  • D-Link DIR-855 | User Manual - Page 37
    are pre-defined virtual services already in the table. You may use them by enabling them and assigning the server IP to use that particular virtual service. For a list of ports for common applications, please visit http://support.dlink.com/faq/view.asp?prod_id=1191. D-Link DIR-855 User Manual 33
  • D-Link DIR-855 | User Manual - Page 38
    the particular service to always be enabled. You can create your own times in the Tools > Schedules section. Inbound Filter: Select Allow All (most common) or a created Inbound filter. You may create your own inbound filters in the Advanced > Inbound Filter page. D-Link DIR-855 User Manual 34
  • D-Link DIR-855 | User Manual - Page 39
    the particular service to always be enabled. You can create your own times in the Tools > Schedules section. Inbound Filter: Select Allow All (most common) or a created Inbound filter. You may create your own inbound filters in the Advanced > Inbound Filter page. D-Link DIR-855 User Manual 35
  • D-Link DIR-855 | User Manual - Page 40
    side that will be used to access the application. You may define a single port or a range of ports. You can use a comma to add multiple ports or port ranges. particular service to always be enabled. You can create your own times in the Tools > Schedules section. D-Link DIR-855 User Manual 36
  • D-Link DIR-855 | User Manual - Page 41
    you can test your uplink speed with a service such as www.dslreports.com. Connection Type: By default, the router automatically determines whether the underlying connection is an xDSL automatic, the automatically detected connection type is displayed here. D-Link DIR-855 User Manual 37
  • D-Link DIR-855 | User Manual - Page 42
    Use MAC (Media Access Control) Filters to allow or deny LAN (Local Area Network) computers by their MAC addresses from accessing the Network. You can either manually add a MAC address or select the MAC address from the list of clients that are currently connected to the Broadband Router. Configure
  • D-Link DIR-855 | User Manual - Page 43
    to approved sites, limit web access based on time or dates, and/or block access from applications like P2P utilities or games. Add Policy: Click the Add Policy button to start the Access Control Wizard. Click Next to continue with the wizard. Access Control Wizard D-Link DIR-855 User Manual 39
  • D-Link DIR-855 | User Manual - Page 44
    Section 3 - Configuration Access Control Wizard (continued) Enter a name for the policy and then click Next to continue. Select a schedule (I.E. Always) from address, or Other Machines. • IP Address - Enter the IP address of the computer you want to apply the rule to. D-Link DIR-855 User Manual 40
  • D-Link DIR-855 | User Manual - Page 45
    Section 3 - Configuration Access Control Wizard (continued) Select the filtering method and then click Next to continue. Enter the rule: Enable - Check End - Enter the ending port number. To enable web logging, click Enable. Click Save to save the access control rule. D-Link DIR-855 User Manual 41
  • D-Link DIR-855 | User Manual - Page 46
    website and click Save Settings. You must also select Apply Web Filter under the Access Control section (page 39). Add Website Select Allow or Deny. Filtering Rule: Website URL/ Enter the keywords or URLs that you want to Domain: allow or block. Click Save Settings. D-Link DIR-855 User Manual 42
  • D-Link DIR-855 | User Manual - Page 47
    ending IP address. Enter 255.255.255.255 if you do not want to specify and IP range. Add: Click the Add button to apply your settings. You must click Save Settings at the top to save the settings. Inbound /disable the rule, or click the Delete icon to remove the rule. D-Link DIR-855 User Manual 43
  • D-Link DIR-855 | User Manual - Page 48
    network from certain kinds of "spoofing" attacks. Enable DMZ: If an application has trouble working from behind the router, you can expose one computer to the Internet and run the application on that computer so that the IP address of the DMZ machine does not change. D-Link DIR-855 User Manual 44
  • D-Link DIR-855 | User Manual - Page 49
    of ALGs for common applications are enabled by default. PPTP: Allows multiple machines on the LAN to supports NAT traversal. RTSP: Allows application that uses Real Time Streaming Protocol to receive streaming media trouble making VoIP calls, try turning this ALG off. D-Link DIR-855 User Manual 45
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    1 is the lowest cost and 15 is the highest cost. Interface: Select the interface that the IP packet must use to transit out of the router when this route is used. D-Link DIR-855 User Manual 46
  • D-Link DIR-855 | User Manual - Page 51
    Partition: Enable this option to prevent associated wireless clients from communicating with each other. Short GI: Check this box to reduce the guard interval time therefore increasing the data capacity. However, it's less reliable and may create higher data loss. D-Link DIR-855 User Manual 47
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    Partition: Enable this option to prevent associated wireless clients from communicating with each other. Short GI: Check this box to reduce the guard interval time therefore increasing the data capacity. However, it's less reliable and may create higher data loss. D-Link DIR-855 User Manual 48
  • D-Link DIR-855 | User Manual - Page 53
    media players. Windows Media Enables the router to recognize certain audio Center: and video streams generated by a Windows Media supports overlaps between rules. If more than one rule matches for a specific message flow, the rule with the highest priority will be used. D-Link DIR-855 User Manual
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    the range set here. Host Port Range: The rule applies to a flow of messages for which host's port number is within the range set here. D-Link DIR-855 User Manual 50
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    networking equipment, software and peripherals. WAN Ping: Unchecking the box will not allow the DIR-855 to respond to pings. Blocking the Ping may provide some extra security from hackers. Check to allow multicast traffic to pass through the router from the Internet. D-Link DIR-855 User Manual 51
  • D-Link DIR-855 | User Manual - Page 56
    . Remote Admin Port: The port number used to access the DIR-855. Example: http://x.x.x.x:8080 whereas x.x.x.x is the Internet IP address of the DIR-855 and 8080 or enable/disable Change Password Remote Management the rule, or click the Delete icon to remove the rule. D-Link DIR-855 User Manual 52
  • D-Link DIR-855 | User Manual - Page 57
    option allows you to configure, update, and maintain the correct time on Manual: To manually input the time, enter the values in these fields for the Year, Month, Day, Hour, Minute, and Second and then click Set Time. You can also click Copy Your Computer's Time Settings. D-Link DIR-855 User Manual
  • D-Link DIR-855 | User Manual - Page 58
    send the router logs to a SysLog Server: SysLog Server. SysLog Server IP The address of the SysLog server that will be Address: used to send the logs. You may also select your computer from the drop-down menu (only if receiving an IP address from the router via DHCP). D-Link DIR-855 User Manual 54
  • D-Link DIR-855 | User Manual - Page 59
    option is enabled when On Schedule is selected.You can select a schedule from the list of defined schedules. To create a schedule, go to Tools > Schedules. D-Link DIR-855 User Manual 55
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    the router was shipped from the factory. Any settings that have not been saved will be lost, including any rules that you have created. If you want to save the current router configuration settings, use the Save button above. Reboot Device: Click to reboot the router. D-Link DIR-855 User Manual 56
  • D-Link DIR-855 | User Manual - Page 61
    Check Online for Options: Latest Firmware Version to have the router check automatically to see if there is a new firmware upgrade. Check Email Notification of Newer Firmware Version to have the router send an email when there is a new firmware available. D-Link DIR-855 User Manual 57
  • D-Link DIR-855 | User Manual - Page 62
    from the drop down menu. Host Name: Enter the Host Name that you registered with your DDNS service provider. Username or Key: Enter the Username for your DDNS account. Password or Key: Enter the Password for your DDNS account. Timeout: Enter a time (in hours). D-Link DIR-855 User Manual 58
  • D-Link DIR-855 | User Manual - Page 63
    Section 3 - Configuration System Check Ping Test: The Ping Test is used to send Ping packets to test if a computer is on the Internet. Enter the IP Address that you wish to Ping, and click Ping. Ping Results: The results of your ping attempts will be displayed here. D-Link DIR-855 User Manual 59
  • D-Link DIR-855 | User Manual - Page 64
    Schedules Schedules can be created for use with enforcing rules. For example, if you want to restrict web access to Mon-Fri from 3pm to 8pm, you could create a schedule selecting Mon, Tue, Wed, Thu, icon to make changes or click the Delete icon to remove the schedule. D-Link DIR-855 User Manual 60
  • D-Link DIR-855 | User Manual - Page 65
    wireless settings such as SSID and Channel. LAN Computers: Displays computers and devices that are connected to the router via Ethernet and that are receiving an IP address assigned by the router (DHCP). IGMP Multicast Displays the Multicast Group IP Address. Memberships: D-Link DIR-855 User Manual
  • D-Link DIR-855 | User Manual - Page 66
    and the level of the events to view. This router also has external Syslog Server support so you can send the log files to a router log to the email address configured in the Tools > Email screen. Save Log: This option will save the router to a log file on your computer. D-Link DIR-855 User Manual
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    below displays the Traffic Statistics. Here you can view the amount of packets that pass through the DIR-855 on both the Internet, LAN ports and both the 802.11n/g (2.4GHz) and 802.11n/a (5GHz) wireless bands. The traffic counter will reset if the device is rebooted. D-Link DIR-855 User Manual 63
  • D-Link DIR-855 | User Manual - Page 68
    Internet Sessions The Internet Sessions page displays full details of active Internet sessions through your router. An Internet session is a conversation between a program or application on a LAN-side computer and a program or application on a WAN-side computer. D-Link DIR-855 User Manual 64
  • D-Link DIR-855 | User Manual - Page 69
    table displays a list of current connected wireless clients. This table also displays the connection time and MAC address of the connected wireless clients. WISH The WISH details page displays full details of wireless clients that are connected when WISH is enabled. D-Link DIR-855 User Manual 65
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    Section 3 - Configuration Support D-Link DIR-855 User Manual 66
  • D-Link DIR-855 | User Manual - Page 71
    on your wireless router or access point. WPA/WPA2 incorporates user authentication through the Extensible Authentication Protocol (EAP). EAP is built on a more secure public key encryption system to ensure that only authorized network users can access the network. D-Link DIR-855 User Manual 67
  • D-Link DIR-855 | User Manual - Page 72
    wireless network name for the 5GHz band. Type your desired wireless network name (SSID). Automatically: Select this option to automatically generate the router's network key and click Next. Manually: Select this option to manually enter your network key and click Next. D-Link DIR-855 User Manual
  • D-Link DIR-855 | User Manual - Page 73
    Section 4 - Security If you selected Automatically, the summary window will display your settings. Write down the security key and enter this on your wireless clients. Click Save to save your settings. If you selected Manually, the following screen will appear. D-Link DIR-855 User Manual 69
  • D-Link DIR-855 | User Manual - Page 74
    this on your wireless clients. PIN: Select this option to use PIN method. In order to use this method you must know the wireless client's 8 digit PIN and click Connect. PBC: Select this option to use PBC (Push Button) method to add a wireless client. Click Connect. D-Link DIR-855 User Manual 70
  • D-Link DIR-855 | User Manual - Page 75
    phrase must be between 8-63 characters. 7. Click Save Settings to save your settings. If you are configuring the router with a wireless adapter, you will lose connectivity until you enable WPA-PSK on your adapter and enter the same passphrase as you did on the router. D-Link DIR-855 User Manual 71
  • D-Link DIR-855 | User Manual - Page 76
    and multicast data is changed (3600 is default). 6. Next to Authentication Timeout, enter the amount of time before a client is required to re-authenticate (60 minutes is default). 7. Next to RADIUS Server IP Address enter the IP Address of your RADIUS server. D-Link DIR-855 User Manual 72
  • D-Link DIR-855 | User Manual - Page 77
    the port you are using with your RADIUS server. 1812 is the default port. 9. Next to RADIUS Server Shared Secret, enter the security key wireless network. 11. Click Advanced to enter settings for a secondary RADIUS Server. 12. Click Apply Settings to save your settings. D-Link DIR-855 User Manual
  • D-Link DIR-855 | User Manual - Page 78
    area. Click on a network (displayed using the SSID) and click the Connect button. If you get a good signal but cannot access the Internet, check you TCP/IP settings for your wireless adapter. Refer to the Networking Basics section in this manual for more information. D-Link DIR-855 User Manual 74
  • D-Link DIR-855 | User Manual - Page 79
    used. 1. Open the Windows Vista® Wireless Utility by right-clicking on the wireless computer icon in your system tray (lower right corner of screen). Select Connect to a network. 2. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DIR-855 User Manual 75
  • D-Link DIR-855 | User Manual - Page 80
    passphrase that is on your router and click Connect. It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the security settings are correct. The key or passphrase must be exactly the same as on the wireless router. D-Link DIR-855 User Manual 76
  • D-Link DIR-855 | User Manual - Page 81
    PIN to Default button. For additional information, please refer to page 46. If you are using third party software to set up Wi-Fi Protection, carefully follow the directions. When you are finished, proceed to the next section to set up the newly-configured router. D-Link DIR-855 User Manual 77
  • D-Link DIR-855 | User Manual - Page 82
    area. Click on a network (displayed using the SSID) and click the Connect button. If you get a good signal but cannot access the Internet, check you TCP/IP settings for your wireless adapter. Refer to the Networking Basics section in this manual for more information. D-Link DIR-855 User Manual 78
  • D-Link DIR-855 | User Manual - Page 83
    Open the Windows® XP Wireless Utility by right-clicking on the wireless computer icon in your system tray (lower-right corner of screen). Select View Available Wireless Networks. 2. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DIR-855 User Manual 79
  • D-Link DIR-855 | User Manual - Page 84
    . Enter the WPA-PSK passphrase and click Connect. It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the WPA-PSK settings are correct. The WPA-PSK passphrase must be exactly the same as on the wireless router. D-Link DIR-855 User Manual 80
  • D-Link DIR-855 | User Manual - Page 85
    . Software firewalls such as Zone Alarm, Black Ice, Sygate, Norton Personal Firewall, and Windows® XP firewall may block access to the configuration pages. Check the help files included with your firewall software for more information on disabling or configuring it. D-Link DIR-855 User Manual 81
  • D-Link DIR-855 | User Manual - Page 86
    to hold the button down for 10 seconds. Release the button and the router will go through its reboot process. Wait about 30 seconds to access the router. The default IP address is 192.168.0.1. When logging in, the username is admin and leave the password box empty. D-Link DIR-855 User Manual 82
  • D-Link DIR-855 | User Manual - Page 87
    Section 6 - Troubleshooting 3. Why can't I connect to certain sites or send and receive emails when connecting through my router? If you are having a problem sending or receiving email, or syntax: ping [url] [-f] [-l] [MTU value] Example: ping yahoo.com -f -l 1472 D-Link DIR-855 User Manual 83
  • D-Link DIR-855 | User Manual - Page 88
    • Click on Setup and then click Manual Configure. • To change the MTU enter the number in the MTU field and click Save Settings to save your settings. • Test your email. If changing the MTU does not resolve the problem, continue changing the MTU in increments of ten. D-Link DIR-855 User Manual 84
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    cards. Under many circumstances, it may be desirable for mobile network devices to link to a conventional Ethernet LAN in order to use servers, printers or an Internet connection supplied through the wired LAN. A Wireless Router is a device used to provide this link. D-Link DIR-855 User Manual 85
  • D-Link DIR-855 | User Manual - Page 90
    , the signal can travel up to 300 feet. With an outdoor access point the signal can reach out up to 30 miles to serve places like manufacturing plants, industrial locations, college and high school campuses, airports, golf courses, and many other outdoor venues. D-Link DIR-855 User Manual 86
  • D-Link DIR-855 | User Manual - Page 91
    up to 30 feet away. Compared to WLAN the speed and wireless operation range are both less than WLAN, but in return it Remotely access your office network from home • Share Internet connection and printer with multiple computers • No need to dedicate office space D-Link DIR-855 User Manual 87
  • D-Link DIR-855 | User Manual - Page 92
    Interference Place home appliances such as cordless telephones, microwaves, and televisions as far away as possible from the router/access point. This would significantly reduce any interference that the appliances might cause since they operate on same frequency. D-Link DIR-855 User Manual 88
  • D-Link DIR-855 | User Manual - Page 93
    an Access Point or wireless router. All the wireless devices, or clients, will connect to the wireless router or access point. An Ad-Hoc network contains only clients, such as laptops with wireless cardbus adapters. All the adapters must be in Ad-Hoc mode to communicate. D-Link DIR-855 User Manual
  • D-Link DIR-855 | User Manual - Page 94
    the IP address, subnet mask, and the default gateway of your adapter. If the address is 0.0.0.0, check your adapter installation, security settings, and the settings on your router. Some firewall software programs may block a DHCP request on newly installed adapters. D-Link DIR-855 User Manual 90
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    Default Gateway the same as the LAN IP address of your router (192.168.0.1). Set Primary DNS the same as the LAN IP address of your router (192.168.0.1).The Secondary DNS is not needed or you may enter a DNS server from your ISP. Step 5 Click OK twice to save your settings. D-Link DIR-855 User
  • D-Link DIR-855 | User Manual - Page 96
    = 7.6 inches • W = 4.6 inches • H = 1.2inches Warranty • 1 Year * Maximum wireless signal rate derived from IEEE Standard 802.11g, 802.11a, and Draft 802.11n specifications. Actual data throughput . Environmental factors will adversely affect wireless signal range. D-Link DIR-855 User Manual 92
  • D-Link DIR-855 | User Manual - Page 97
    asked questions and answers to technical issues. For customers within the United States: Phone Support: (877) 453-5465 Internet Support: http://support.dlink.com For customers within Canada: Phone Support: (800) 361-5265 Internet Support: http://support.dlink.com D-Link DIR-855 User Manual 93
  • D-Link DIR-855 | User Manual - Page 98
    for the defective Hardware will be refunded by D-Link upon return to D-Link of the defective Hardware. All Hardware or part thereof that is replaced by D-Link, or for which the purchase price is refunded, shall become the property of D-Link upon replacement or refund. D-Link DIR-855 User Manual 94
  • D-Link DIR-855 | User Manual - Page 99
    Link's option, to replace the non-conforming Software (or defective media) with software that substantially conforms to D-Link's functional specifications for the Software or to refund the portion of the actual purchase price point D-Link Technical Support at dlink.com/. D-Link DIR-855 User Manual 95
  • D-Link DIR-855 | User Manual - Page 100
    include any manuals or accessories in the shipping package. DLink will only firmware or other products or services provided by anyone other than D-Link; and Products that have been purchased from inventory clearance or liquidation sales or other sales in which D-Link Link DIR-855 User Manual 96
  • D-Link DIR-855 | User Manual - Page 101
    from D-Link Corporation/D-Link Systems, Inc., as stipulated by the United States Copyright Act of 1976 and any amendments thereto. Contents are subject to change without prior notice. Copyright ©2007 by D-Link Corporation/D-Link Systems, Inc. All rights reserved. D-Link DIR-855 User Manual 97
  • D-Link DIR-855 | User Manual - Page 102
    installed and used in accordance with the instructions, may cause harmful interference to radio communications bands are country dependent and are firmware programmed at the factory to match the intended destination. The firmware setting is not accessible by the end user. D-Link DIR-855 User Manual
  • D-Link DIR-855 | User Manual - Page 103
    End users must follow the specific operating instructions for satisfying RF exposure compliance. This equipment devices in the band 5725-5825 MHz) to comply with the e.i.r.p. limits specified for point-to-point and non point-to-point operation as appropriate riphérique. D-Link DIR-855 User Manual 99
  • D-Link DIR-855 | User Manual - Page 104
    Appendix F - Registration Registration Product registration is entirely voluntary and failure to complete or return this form will not diminish your warranty rights. Version 1.1 April 23, 2008 D-Link DIR-855 User Manual 100
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