I work for a school system whose ISP provides routing from a switch on their end we have 35 locations set up as vlans on that switch. I want to break up the private class B address given to us by our ISP. Can I do this without involving a router? All locations have a Cisco 3560G switch at the center of a star topology. So far, the switch provides DHCP and DNS info to clients. I can get InterVLAN routing to work, but I cannot get clients to get outside internet access.