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Date: Mon, 30 May 2005 22:56:22 +0200
From: Sebastian Ahndorf <webmaster@it-is-warlock.de>
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To: Kris Kennaway <kris@obsecurity.org>
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Cc: Imobach ??? Sosa <imobachgs@banot.net>, freebsd-stable@freebsd.org
Subject: Re: Poor network performance: a lot of timeouts
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Kris Kennaway wrote:
>>Both sides must have same config, autosense should work if there is no 
>>config possibility in other end.
> 
> 
> autosense may in fact not work, especially on low-quality NICs like rl.
> 

I don't agree to that.
I had similar problems with my network using a cheap switch with some 
realtek nics. I had the nics running 100baseTX Full Duplex.
Changing this to autosense made the problems gone.

Reason (as some people of the german questions-list told me):
Many cheap switches always send their autosensepakets, and have great 
problems if the nics connected to the switch do not response to the 
autosensepakets (cause they are configured to 10/100baseTX full/half 
duplex).
Also realtek nics are far away from being good nics, they work without 
problems with the autosensemode and a cheap switch for me (and many 
other people I know).

I would suggest the starter of this thread to use autosense with his nic 
(if not tested yet).

> Kris

Best regards
Sebastian