Re: Lots of input errors...
From: Shawn Ramsey (shawn_at_cpl.net)
Date: 06/27/03
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To: <freebsd-net@freebsd.org> Date: Fri, 27 Jun 2003 14:49:04 -0700
> > Ok.. It is set hard to 100BT/FD on both ends. I don't know if you saw
this,
> > but since resetting the stats a few hours ago, it shows no errors at all
on
> > their end, but were still getting errors on our end... The CRC and frame
> > errors could have been from a media mismatch when things were first
setup.
> > Im not sure if the stats have ever been reset. Assuming the errors stay
at
> > zero on their end, any ideas? Am going to try another server/router, and
if
> > things look better, start replacing hardware on this router...
> >
>
> I would say the physical wire is probably bad. Seeing unidirectional
errors
> in this case wouldn't be uncommon; one of the pair of the receive wires
may
> have issues. Have you swapped the cable? Most of the time you won't see
> framing errors related to duplex mismatching.
>
> Also, although this sounds contrary to sane thinking about hard coding of
> duplex and speed, the Cisco will do better autosensing if you are using an
> Intel ethernet card on the server. I'm not sure why, but I've seen this
> happen in the past.
Im not sure if I asked this, but assuming the cable is bad, could this be
causing the very high interupt usage we are seeing?
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