[ProgSoc] Win2K dropping off network

[Martin Gisch <martin@nospam.progsoc.uts.edu.au>]

On the offchance some windows expert on this list has seen this problem
before, I thought I'd ask.

Problem:
Win2K SP2 with a D-Link DFE 530TX network card. Runs VNC server 3.3.3r7.
Intermittently, while remotely using this machine via a Linux VNC client,
the W2K box will stop receiving absolutely all network packets.

Link lights are exactly as they should be.
Going back to its console and running pings and such shows it sending out
arp requests, but it does not see the replies. (They do get sent out.)

Only way I know of to get it back is a reboot.
Problem 'seems' to be getting more frequent.
Unsure if this could be related, but I believe this started happening
after I recently upgraded memory from 256M to 1.2G.

Nothing obvious found in the VNC mailing lists. What bothers me most is
that application level software like vnc appears to be destroying
something in the OS itself. (This really shouldn't surprise me with a
windows platform...)

May not be directly vnc related, but to the traffic pattern it
generates. (Lots of small packets).

Anyone have any ideas what could be wrong, or how to begin troubleshooting
this kind of thing in Windows?

Thanks,
-MG.

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