im trying to configure an ipsec vpn tunnel beetween a cisco 1720 with ipsec features and the native windows 2000 and windows XP client i Have been unable to configuere these 2 clients can some one helpme on this subject?

im having a problem with my vpn connection it usaly gives me the following error :inconsistent private ip address ignoredand it establishes the vpn tunnel but i cant do any thing with it, theres no comuniucation.i tried to change the pool for the loc...