Date: Wed, 27 Oct 1999 00:24:06 -0700 From: "Craig Critchley" <craigc@nwlink.com> To: <dg@root.com> Cc: "Garrett Wollman" <wollman@khavrinen.lcs.mit.edu>, <net@FreeBSD.ORG> Subject: Re: FTP Net Performance Message-ID: <205001bf204c$4113e750$0201010a@fuzzer.com> References: <199910270021.RAA23991@implode.root.com>
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From: David Greenman <dg@root.com>
> >Looking at netstat -i, I see that I'm getting Oerrs of about 15% of
Opkts,
> >but no Ierrs. There is an inconsequential number of collisions. Perhaps
> >the error rate is to blame for the problem. What sorts of things do
these
> >errors represent?
>
> You shouldn't be getting any output errors - that is definately
indicating
> a problem. Have you tried replacing the cable? What sort of motherboard is
> the card plugged into?
I've tried three or four different cables, all gave about the same
performance, and I still see increasing Oerrs (more like 25%, actually)
every time I FTP from the BSD machine.
The machine is home-assembled based on an Asus P2L97 with a K6-200 and a
Netgear FA310TX PCI netcard.
For historical reasons, I've got a Kingston netcard sitting in the machine
as well; tomorrow I will try rearranging the ip configuration to use that
interface. (I tried this with and without the Kingston driver linked in the
kernel, but haven't tried switching to use it.) I should probably pull
extraneous cards as well... I should have probably exhausted such things
before mailing the experts; as a bsd newbie, I was hoping there was a "oh,
yeah, that's almost always X" type answer that I couldn't find in the faq or
archives. Sorry if that's a nuisance.
Thanks for the help, and if you think of anything else, please let me know.
...Craig
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