From owner-freebsd-performance@FreeBSD.ORG  Thu Sep 11 11:15:48 2003
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Date: Thu, 11 Sep 2003 11:15:44 -0700
From: Will Froning <wfroning@angui.sh>
To: freebsd-performance@freebsd.org
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Subject: Re: Performance Problems.. Server hardware smoked by $500 box?
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On Thu, 11 Sep 2003 19:36:52 +0200
Alexander Marx <mad-ml@madness.at> wrote:

> John Straiton wrote:
> >>Look at network errors (netstat -i), duplex mismatches (link 
> >>lights on switch vs. what ifconfig tells you), and network 
> >>load (i.e. production is on a 10Mb hub, development is on a 
> >>100Mb switch).  Etc., etc., etc.
> > 
> > 
> > They are all connected to the same switch, and the Cisco IOS reports
> > zero errors on any of the 3 interfaces. Even when the production
> > machine was live, it would have less than 3Mb/sec load on a
> > 100Mbit/FullDuplex network.
> > 
> thats great and all .. but does the server also report zero
> interface errors? (output of netstat -in) ?
> 
> we had lots of problems with cisco switches and half/full-duplex
> missmatches ... even though the switches thought everything was fine.

I'll agree w/ the above statement.  We force full-duplex on both the
switch and via rc.conf for all of our FreeBSD boxes.

Will

-- 
Will Froning
Unix Sys. Admin., Lt. Pimp
wfroning@angui.sh