I am running a Pentium 4 computer, running Windows XP SP2, connected to a Linksys router with other computers through a managed switch with each port having its own VLAN. The problem I am having on this computer is that it looses connectivity to the internet. I can ping the router at all times with out any problems. I can also access the routers admin page. When I ping out to the internet I get no DNS resolution. Also when I ping a universal address such as 188.8.131.52 I also get no reply. This does not happen to any other computers that are connected to the same router and the switch. When I reboot the switch and router and computer the Internet connectivity is restored. I also was having a problem with the windows firewall service, which I resolved using KB arcitle 920074. Any help would be greatly appreciatred.