Linksys BEFSX41 Obtain an IP Address Automatically, Static IP Address, Enter the Gateway Address

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Figure 6-4

Instant Broadband® Series

3.The Router configuration screen will appear with the Setup tab selected. Based on the setup instructions from your ISP, you may need to provide the following information.

Host Name and Domain Name: These fields allow you to provide a host name and domain name for the Router. These fields are usually left blank. If requested by your ISP (usually cable ISPs), complete these two fields.

Device IP Address and Subnet Mask: The values for the Router’s IP Address and Subnet Mask are shown on the Setup screen. The default value is 192.168.1.1 for the IP Address and 255.255.255.0 for the Subnet Mask. Leave these settings alone.

4.The Router supports six connection types: Obtain an IP Address Automatically, Static IP Address, PPPoE, RAS, PPTP, and HBS. These types are listed in the drop-down menu for the WAN Connection Type set- ting. Each Setup screen and available features will differ depending on what kind of connection type you select. Proceed to the instructions for the con- nection type you are using. When you are finished with the Setup tab, pro- ceed to step 5.

IMPORTANT: If you have previously enabled any Internet-sharing proxy server software on any of your PCs, you must disable it now.

Some examples of Internet-sharing software are Internet LanBridge, Wingate, ICS, and Sygate. To disable your Internet-sharing software:

If you are running Netscape Navigator, click Edit >> Preferences

>>Advanced >> Proxies. Click Direct Connection to the Internet.

If you are running Internet Explorer 5.x or higher, click Start >> Settings >> Control Panel >> Internet Options >> Connections

>>LAN Settings. Remove checkmarks from all three boxes. Click the OK button to continue.

Also, you must disable any Internet log-on software (such as Ivasion Winpoet or Enternet 300) and any firewall software (such as ZoneAlarm and Watchdog) on all of your PCs.

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

Obtain an IP Address Automatically

If your ISP says that you are connecting through DHCP or a dynamic IP address from your ISP, perform these steps:

A.S e l e c t O b t a i n a n I P Automatically as the WAN Connection Type. (Shown in Figure 6-4.)

B.Click the Apply and Continue

buttons to save the setting, or

click the Cancel button to clear the setting and start over. When you are finished, then proceed to step 5.

Static IP Address

If your ISP says that you are connecting through a static or fixed IP address from your ISP, perform these steps:

A.Select Static IP as the WAN Connection Type. (Shown in Figure 6-5.)

B.Enter the IP Address.

C.Enter the Subnet Mask.

D.Enter the Gateway Address.

Figure 6-5

E.Enter the DNS in the 1, 2,

and/or 3 fields. You need to enter at least one DNS address.

F.Click the Apply and Continue buttons to save the settings, or click the Cancel button to clear the settings and start over. When you are finished, then proceed to step 5.

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Contents User Guide Copyright & Trademarks Table of Contents Features IntroductionEnvironmental 139 IP Addresses An Introduction to LANs and WANsNetwork Setup Overview Why Do I Need a VPN?Your 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 portWAN and LAN LEDs Router’s Front Panel 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 Authentication EncryptionKey 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 Host DMZ PortDMZ Host Address MAC Address Clone Current DMZ HostDdns DynDNS.orgAppendix a Troubleshooting Common Problems and SolutionsTZO.com For Windows NT For Windows XPFor 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 XPFilter List 1 win-router Step Two Build Filter ListsIP 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