[windows2000] Windows XP causing broadcast storm on network

  • From: "Kevin Alexander" <kalexander@xxxxxxxxxxxxxxx>
  • To: <windows2000@xxxxxxxxxxxxx>
  • Date: Mon, 17 Nov 2003 09:30:38 -0000

I'm hoping someone has an idea of what's causing this annoying problem!

We have a 20 user Windows 2000/XP (about 50:50 mix) network that ran with no
problems until someone bought in a laptop with XP Home installed.  The moment it
connected to the network all connections and internet connection went down.
Pinging any PC on the same switch worked, but not to a different switch.
Looking at the lights on each switch in the path from this laptop to the router,
the lights were flashing like mad.  Disconnecting the laptop got the network
back within 30 seconds.

We took the laptop out of the network and thought no more about it until we put
some new computers in.  We now have 3 XP Pro PCs and 2 XP Home laptops that are
doing the same thing.  They seem to set each other off - 2 of the PCs were fine
for a few hours until the other connected, now any of the 3 cause the network to
stop working.  All systems are using DHCP from a Netgear FR114P router, which
then NATs to a broadband connection.

Sounds a little like a virus, but we installed Norton, with updates, and it
picked up nothing.

Any ideas anyone?  I haven't got a traffic sniffer, but if you know of a good
free one that might give some clues.


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