We've recently developed an issue on our network. The network spans several campuses and are connected via fiber using Catalysts switches with routing enabled as the campuses are on different networks.
Several XP workstations start up and can't connect to the internet. Telnet does not work either. Howerver, I can ping, traceroute, nslookup, all with success. Mapped drives do not work either. Most of the time, a reboot takes care of the problem and everything works as is should.
Quite a few of the machines it happens on are repeat offenders.
I have not seen any issues with most of the machines and none with any of the servers. It seems to be random and scattered across all campuses.
I have checked various logs and event viewers and don't really see anything incriminating.
Anyone have any suggestions as to what I should be looking for or how to proceed?