Linksys BEFSX41 manual Dhcp

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Instant Broadband® Series

Firmware Version This field shows the installed version and date of the firmware. Version dates are slightly more accurate than version numbers.

Current Time Based upon the time zone selection made on the Setup tab, this field will display the current time.

Login This indicates if you are using a dial-up style connection like PPPoE, RAS, PPTP, or HBS. For PPPoE, RAS, PPTP, or HBS only, there is a Connect button to click if you are disconnected and want to re-establish a connection.

LAN These fields display the current IP Address and Subnet Mask of the Router, as seen by users on your local area network. The DHCP Server field shows the status of the Router’s DHCP server function, which is either enabled or disabled.

WAN These fields display the WAN IP Address, WAN Subnet Mask, and WAN Default Gateway IP Address of the Router, as seen by external users on the Internet. The DNS (Domain Name System) IP Address fields show the IP address(es) of the DNS currently used by the Router. Multiple DNS IP settings are common. In most cases, the first available DNS entry is used.

DHCP Release Click the DHCP Release button to release the current IP address of the device connected to the Router’s WAN port.

DHCP Renew Click the DHCP Renew button to replace the current IP address—of the device connected to the Router’s WAN port—with a new IP address.

DHCP Clients Table Click the DHCP Clients Table button to view the list of PCs that were given IP addresses by the Router.

EtherFast® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint

DHCP

Figure 7-28

From the DHCP screen, shown in Figure 7-28, you can configure the Router as a DHCP Server.

A Dynamic Host Configuration Protocol (DHCP) server automatically assigns an IP address to each PC on your network for you. Unless you already have one, it is highly recommended that you leave the Router enabled as a DHCP server.

DHCP Server DHCP is already enabled by factory default. If you already have a DHCP server on your network, set the Router’s DHCP option to Disable. Click the Apply button and then the Continue button. If you disable DHCP, remember to assign a static IP address to the Router.

Starting IP Address Enter a value for the DHCP server to start with when issuing IP addresses. This value must be 192.168.1.2 or greater, because the default IP address for the Router is 192.168.1.1.

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Contents User Guide Copyright & Trademarks Table of Contents Introduction FeaturesEnvironmental 139 IP Addresses An Introduction to LANs and WANsWhy Do I Need a VPN? Network Setup OverviewYour Virtual Private Network VPN Firewall Router to Firewall Router What is a Virtual Private Network?Ports PowerRouter’s Back Panel Modem connection will not work from any other portRouter’s Front Panel LEDs WAN and LAN LEDsProceed to Connect the Router Overview Connecting Your Hardware Together and Booting UpRouter’s hardware installation is now complete Connect the RouterConfiguring Windows 95, 98, and Millennium PCs Configure the PCsConfiguring Windows 2000 PCs Go to Configure the RouterConfiguring Windows XP PCs Configure the Router Enter the Gateway Address Obtain an IP Address AutomaticallyStatic IP Address Advanced Proxies. Click Direct Connection to the InternetRAS PPPoECable/DSL Firewall Router’s Web-based Utility Quick and Easy Router AdministrationSetup Static IP User Name and PasswordWAN IP Firewall IPSec Pass Through Remote UpgradeBlock WAN Request Multicast Pass ThroughVPN Establishing a TunnelLocal Secure Group and Remote Secure Group Remote Security Gateway Encryption AuthenticationKey Management Instant Broadband Series Phase Advanced Settings for Selected IPSec TunnelPassword Other SettingsStatus Dhcp Log Help Filters AdvancedInstant Broadband Series Forwarding UPnP Forwarding Port Triggering Static Routing Dynamic RoutingDMZ Port DMZ HostDMZ Host Address MAC Address Clone Current DMZ HostDdns DynDNS.orgCommon Problems and Solutions Appendix a TroubleshootingTZO.com For Windows XP For Windows NTFor Windows 95, 98, and Me For Windows XP Am not able to access the Router’s web interface Setup Can’t get the Internet game, server, or application to work To start over, I need to set the Router to factory default Need to use port triggering Click the Advanced = Filter tabFrequently Asked Questions TCP/IP is compatible with the Router Appendix B Maximizing VPN Security Step One Create an IPSec Policy IntroductionEnvironment Windows 2000 or Windows XPStep Two Build Filter Lists Filter List 1 win-routerIP Address Figure C-6 Filter List 2 router=winTunnel 1 win-router Step Three Configure Individual Tunnel RulesAccept Respond Using IPSec XYZ12345. ClickString to Protect Negotiate Security Key exchange pre Shared key, as shownTunnel 2 router-win XYZ12345 Action Require Security This string to protectKey Exchange Preshared key,Step Four Assign New IPSec Policy Figure C-24Figure C-28 Step Five Create a Tunnel Through the Web-based UtilityAppendix D Snmp Functions Appendix E How to Ping Your ISP’s E-mail & Web AddressesFigure E-1 TCP/IP installation is now complete Appendix F Installing the TCP/IP ProtocolFor Windows NT, 2000, and XP Figure G-1Figure G-5 Appendix H Glossary 129 131 133 135 137 Environmental Appendix I SpecificationsWeb FTP Site Appendix J Warranty InformationAppendix K Contact Information Sales InformationCopyright 2003 Linksys, All Rights Reserved
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