hello. what is the purpose of routing and tell me what is link with isa cache.if any thing is relation so please tell me because i have 150 users and i am running internet cable via downlink and i want to configure isa cache just like that when user wants a site so request goes from cache if the request is not exist in the isa server cache server so it will pass through the main server.please describe me the routing rules so wil make the rules my self.please please help me.... thanks --------------------------------- Want to chat instantly with your online friends? Get the FREE Yahoo!Messenger