I have a simple network. A Data Linkswitch where my 6 workstations and the DC are plugged in. DC runs w2003 and the work stations xp sp2. The switch is connected to a Sonic firewall and from there to the ISP. The problem is Internet goes down on the workstations, when that happens if I ping the DC which is the DNS I'll get a time out. My work around is to go to the server and ping the workstation and everything is fine. All the work stations have static addresses.