Subject: Re: network problems on optiplex 745
To: Mark Davies <>
From: Steven M. Bellovin <>
List: tech-net
Date: 02/11/2007 17:50:25
On Mon, 12 Feb 2007 11:34:21 +1300
Mark Davies <> wrote:

> A little while ago I posted about my problem trying to get bcm5754 
> working on an OptiPlex 745:
> and 
> I since had a brief dialog with Jonathan Stone who suggested some 
> changes to the broadcom support but they made no difference so the 
> current behaviour is still that packets get out but it doesn't appear 
> to notice packets coming back.
> So I bought a cheap realtek pci card and plugged it in and it appears 
> to do the same thing - I can see arp packets coming out of it but the 
> machine never notices the response packets sent back.  However if I 
> move the realtek card to an Optiplex 620 it works fine.
> Anyone got any idea whats going on?

At that point, I'd wonder about the cable.

		--Steve Bellovin,