Dear all, My network consist of 3 locations . Each location have its own subnet and its router, to connect to the head office as MAIN CENTER. So total cisco routers are 4. I want all of the 3 locations which has been connected to my head office through routers , to access internet for the 3 locations from MY ONLY SERVER which is ISA SERVER LOCATED in HEAD OFFICE. Which one is fit and working perfect with 3 Locations and to be connected to one BOX ? ISA STANDARD EDITION Or ISA ENTERPERISE EDITION All of them 2004 . Mohammed