Linksys AG241 - Manual (Page 61)

58 Appendix B: Configuring IPSec between a Windows 2000 or XP Computer and the Gateway
How to Establish a Secure IPSec Tunnel
ADSL2 Gateway with 4-Port Switch
4. Select the Authentication Methods tab, shown in Figure C-13, and click the Edit button.
5. Change the authentication method to Use this string to protect the key exchange (preshared key), as
shown in Figure C-14, and enter the preshared key string, such as XYZ12345. Click the OK button.
6. This new Preshared key will be displayed in Figure C-15. Click the Apply button to continue, if it appears on
your screen, otherwise proceed to the next step.
Figure B-13: Authentication Methods
Figure B-14: Preshared Key
Figure B-15: New Preshared Key