Linksys WRT51AB manual Dhcp

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Instant Wireless® Series

DHCP

The DHCP screen allows you to configure the settings for the Router’s Dynamic Host Configuration Protocol (DHCP) server function. The Router can be used as a DHCP server for your network. A DHCP server automatically assigns an IP address to each computer on your network.

Figure 6-15

If you choose to enable the Router’s DHCP server option, you must configure all of your network PCs to connect to a DHCP server (the Router), and make sure there is no other DHCP server on your network.

If you disable the Router’s DHCP server function, you must have a separate DHCP server for your network, or you must configure the IP Address, Subnet Mask, and DNS for each network computer (make sure each IP Address is unique).

DHCP Server DHCP is enabled by factory default. If you already have a DHCP server on your network, or you don’t want a DHCP server, then click the Disable radio button.

Dual-Band Wireless A+B Broadband Router

Starting IP Address Enter a value for the DHCP server to start with when issuing IP addresses. Because the Router’s default IP address is 192.168.1.1, the Starting IP Address must be 192.168.1.2 or greater, but smaller than 192.168.1.253. The default Starting IP Address is 192.168.1.100.

Number of DHCP Users (Optional) Enter the maximum number of PCs that you want the DHCP server to assign IP addresses to. This number cannot be greater than 253. The default is 50.

Client Lease Time The Client Lease Time is the amount of time a network user will be allowed connection to the Router with their current dynamic IP address. Enter the amount of time, in minutes, that the user will be “leased” this dynamic IP address. After the time is up, the user will be automatically assigned a new dynamic IP address. The default is 0 minutes, which means one day.

Static DNS 1-3The Domain Name System (DNS) is how the Internet trans- lates domain or website names into Internet addresses or URLs. Your ISP will provide you with at least one DNS Server IP Address. If you wish to use anoth- er, type that IP Address in one of these fields. You can type up to three DNS Server IP Addresses here. The Router will use these for quicker access to func- tioning DNS servers.

WINS The Windows Internet Naming Service (WINS) manages each PC’s interaction with the Internet. If you use a WINS server, enter that server’s IP Address here. Otherwise, leave this blank.

Currently Assigned: DHCP Clients Table Click the DHCP Clients Table button to view the list of PCs that are given IP addresses by the Router. For each PC, the list shows the client hostname, IP address, MAC address, and and the amount of DHCP client lease time left. Click the Refresh button to display the most current information.

To apply any of the settings you change on this page, click the Apply button. To cancel any changes you’ve entered on this page, click the Cancel 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 Introduction Common Problems and Solutions Frequently Asked QuestionsEnvironmental 127 Router’s Functions FeaturesIP Addresses What’s an IP Address?Router Setup Overview Dhcp Dynamic Host Configuration Protocol ServersDynamic IP Addresses Router’s Back Panel Getting to Know the Dual-Band Wireless A+B Broadband RouterRouter’s Front Panel LEDs Internet Indicators LAN IndicatorsProceed to Connect the Router Connect the Router Wired Connection to a PCOverview 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 Default Gateway Automatic Configuration DhcpStatic or Fixed IP Address Enter the Internet 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 Private IP Filter Private MAC Filter To set up a filter11-20 , 21-30 , 31-40 , or 41-50 from Port Forwarding Applications External Port TCP Protocol UDP ProtocolClick the Delete This Entry button RoutingDMZ Host MAC Address Clone Common Problems and Solutions Appendix a TroubleshootingNeed to set a static IP address on a PC For Windows NTWant to test my Internet connection For Windows XPFor Windows 98, Me, 2000, and XP TCP UDP Need to set up a server behind my RouterCan’t get the Internet game, server, or application to work Need to upgrade the firmware To start over, I need to set the Router to factory defaultFirmware upgrade failed, and/or the Diag LED is flashing My DSL service’s PPPoE is always disconnectingClick the Advanced = Filters tab Frequently Asked QuestionsHow can I block corrupted FTP downloads? Does the Router support ICQ send file?What are the advanced features of the Router? What is DMZ Hosting?What is the Ieee 802.11a standard? What is the Ieee 802.11b standard?What is ad-hoc mode? What Ieee 802.11b features are supported?What is infrastructure mode? What is roaming?What is a MAC Address? What is WEP?How do I reset the Router? How do I resolve issues with signal loss?Step One Pinging an IP Address Appendix B How to Ping Your ISP’s E-mail & Web AddressesStep Two Pinging for a Web Address Appendix C Configuring Wireless SecurityBackground 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 One 10/100 RJ-45 Port for Cable/DSL Modem Appendix F SpecificationsCategory 5 Ethernet Network Cable or better EnvironmentalSales Information Technical Support RMA Issues Fax Appendix G Warranty InformationAppendix H Contact Information Web site FTP siteCopyright 2002 Linksys, All Rights Reserved
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