Cisco RVS4000 - Gigabit Security Router User's Guide download pdf (Page 51)

Configuring IPSec with a Windows 2000 or XP Computer

4-Port Gigabit Security Router with VPN

Appendix C

Appendix C:

Configuring

IPSec with

a Windows 2000 or XP

Computer

Introduction

This appendix explains 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

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 regarding the OK

or Close buttons; click the appropriate button

on your screen.

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

RVS4000

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

How to Establish a Secure IPSec Tunnel

Step 1: Create an IPSec Policy

Click 1. Start, select Run, and type secpol.msc in the

Open field. The Local Security Settings screen appears.

Local Security Settings

Right-click 2. IP Security Policies on Local Computer

(Windows XP) or IP Security Policies on Local Machine

(Windows 2000), and click Create IP Security Policy.

Click the 3. Next button, and then enter a name for your

policy (for example, to_Router). Then, click Next.

Deselect the 4. Activate the default response rule

check box, and then click Next.

Click 5. Finish, making sure the Edit check box is

checked.

Step 2: Build Filter Lists

NOTE: Throughout the following section the

term “win” refers to both Windows 2000 and

Windows XP.

Filter List 1: win -> router

In the new policy’s properties screen, verify that the 1.

Rules tab is selected. Deselect the Use Add Wizard

check box, and click Add to create a new rule.

Rules Tab

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