Vista Latency Issue

We are having a latency problem with our Vista machines with average ping
times of 4 ms and above and 1-2 % packet loss pinging our router. The same
machine and hardware with XP does not experience any latency.

We do have a hardware firewall on our subnet between our LAN and the router
and there is no latency within the LAN. Attempts at updating nic drivers,
uninstalling the NIC have not improved the situation.

Machines are on the Campus AD and we are using Windows Vista firewall with
many of the predefined rules implemented, no ipsec currently. Symantec's
Network drive scanning and some other features are off.

Has anyone else seen similar behavior or have any ideas about what may be
causing this?

Thanks,

Alan

Alan Willcuts

Information Systems

Department of Recreational Sports

UC Berkeley

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Received on Tue May 29 2007 - 08:20:43 PDT