Subject: Re: network problems on optiplex 745
To: Mark Davies <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 02/11/2007 17:50:25
On Mon, 12 Feb 2007 11:34:21 +1300
Mark Davies <firstname.lastname@example.org> wrote:
> A little while ago I posted about my problem trying to get bcm5754
> working on an OptiPlex 745:
> http://mail-index.netbsd.org/current-users/2007/01/09/0003.html 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, http://www.cs.columbia.edu/~smb