Linksys WRT51AB manual DMZ Host

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Instant Wireless® Series

Show Routing Table Click the Show Routing Table button to view all of the valid dynamic and static route entries in use (see Figure 6-26). The Destination LAN IP address, Subnet Mask, Gateway, and Interface information are dis- played for each entry. Click the Refresh button to display the most up-to-date data.

Figure 6-26

Dual-Band Wireless A+B Broadband Router

DMZ Host

The DMZ Host screen lets you enable the DMZ hosting feature, which allows one local user to be exposed to the Internet for use of a special-purpose serv- ice such as Internet gaming or videoconferencing. Whereas port forwarding can only forward a maximum of ten port ranges, DMZ hosting forwards all the ports to one PC simultaneously. It is recommended to use Port Forwarding whenever possible because it is more secure.

Figure 6-27

Note: Any PC whose ports are being forwarded should have its DHCP client function disabled and a new static IP address assigned to it because its IP address may change when using the DHCP client function.

To expose one PC to the Internet:

1.Click the Enable radio button.

2.Enter the computer’s IP address in the DMZ Host IP Address field.

3.To cancel your changes, click the Cancel button. To save your new settings, click the Apply button. To get more information about the features, click the Help button.

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Contents Dual-Band Wireless A+B Broadband Router Copyright & Trademarks Table of Contents Environmental 127 Common Problems and Solutions Frequently Asked QuestionsIntroduction What’s an IP Address? FeaturesRouter’s Functions IP AddressesDynamic IP Addresses Dhcp Dynamic Host Configuration Protocol ServersRouter Setup Overview Router’s Front Panel LEDs Getting to Know the Dual-Band Wireless A+B Broadband RouterRouter’s Back Panel Proceed to Connect the Router LAN IndicatorsInternet Indicators Overview Wired Connection to a PCConnect the Router Wireless Connection to a PC Configure the PCsGo to Configure the Router’s Basic Settings Configuring Windows 98 and Millennium PCsConfiguring Windows 2000 PCs Configuring Windows XP PCs Configure the Router’s Basic Settings Enter the Internet IP Address Automatic Configuration DhcpEnter the Default Gateway Static or Fixed IP AddressRouter’s Web-based Utility How to Access the Web-based UtilitySetup Automatic Configuration DhcpStatic IP Pptp 5GHz, 802.11a 5GHz, 802.11a WEP 4GHz, 802.11b WEP Status PasswordLAN Dhcp Help LogAdvanced Tabs 5GHz, 802.11a Advanced Wireless802.1x Configuration Radius Server Filters 11-20 , 21-30 , 31-40 , or 41-50 from Private MAC Filter To set up a filterPrivate IP Filter Port Forwarding Applications External Port TCP Protocol UDP ProtocolClick the Delete This Entry button RoutingDMZ Host MAC Address Clone For Windows NT Appendix a TroubleshootingCommon Problems and Solutions Need to set a static IP address on a PCFor Windows 98, Me, 2000, and XP For Windows XPWant to test my Internet connection TCP UDP Need to set up a server behind my RouterCan’t get the Internet game, server, or application to work My DSL service’s PPPoE is always disconnecting To start over, I need to set the Router to factory defaultNeed to upgrade the firmware Firmware upgrade failed, and/or the Diag LED is flashingClick the Advanced = Filters tab Frequently Asked QuestionsHow can I block corrupted FTP downloads? Does the Router support ICQ send file?What is the Ieee 802.11b standard? What is DMZ Hosting?What are the advanced features of the Router? What is the Ieee 802.11a standard?What is roaming? What Ieee 802.11b features are supported?What is ad-hoc mode? What is infrastructure mode?How do I resolve issues with signal loss? What is WEP?What is a MAC Address? How do I reset the Router?Step One Pinging an IP Address Appendix B How to Ping Your ISP’s E-mail & Web AddressesBackground Appendix C Configuring Wireless SecurityStep Two Pinging for a Web Address WEP Encryption 802.1x AuthenticationFigure C-2 MD5 Authentication for Windows XPFigure C-5 Figure C-9 Digital Certificate InstallationFigure C-13 Click Install this certificateFigure C-18 TLS Authentication for Windows XPFigure C-21 For Windows 95, 98, and Me Figure C-25For Windows NT, 2000, and XP Figure D-3Appendix E Glossary 111 113 115 117 119 121 123 125 Environmental Appendix F SpecificationsOne 10/100 RJ-45 Port for Cable/DSL Modem Category 5 Ethernet Network Cable or betterWeb site FTP site Appendix G Warranty InformationSales Information Technical Support RMA Issues Fax Appendix H Contact InformationCopyright 2002 Linksys, All Rights Reserved