Linksys BEFSX41 - Appendix F: Configuring Ipsec between a Windows 2000 or; Introduction; Environment

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Appendix F: Configuring IPSec between a Windows 2000 or XP Computer and the Router
Introduction
ADSL Gateway with 4-Port Switch
Appendix F: Configuring IPSec between a Windows 2000
or XP Computer and the Router
Introduction
This document demonstrates how to establish a secure IPSec tunnel using preshared keys to join a private
network inside the Router and a Windows 2000 or XP computer. You can find detailed information on configuring
the Windows 2000 server at the Microsoft website:
Microsoft KB Q252735 - How to Configure IPSec Tunneling in Windows 2000
http://support.microsoft.com/support/kb/articles/Q252/7/35.asp
Microsoft KB Q257225 - Basic IPSec Troubleshooting in Windows 2000
http://support.microsoft.com/support/kb/articles/Q257/2/25.asp
Environment
The IP addresses and other specifics mentioned in this appendix are for illustration purposes only.
Windows 2000 or Windows XP
IP Address: 140.111.1.2 <= User ISP provides IP Address; this is only an example.
Subnet Mask: 255.255.255.0
WAG54G
WAN IP Address: 140.111.1.1 <= User ISP provides IP Address; this is only an example.
Subnet Mask: 255.255.255.0
LAN IP Address: 192.168.1.1
Subnet Mask: 255.255.255.0
NOTE: Keep a record of any changes you make.
Those changes will be identical in the Windows
“secpol” application and the Router’s Web-Based
Utility.
NOTE: The text on your screen may differ from
the text in your instructions for “OK or Close”;
click the appropriate button on your screen.