Poor network performance: a lot of timeouts

Steven Hartland killing at multiplay.co.uk
Mon May 30 14:33:18 PDT 2005

----- Original Message ----- 
From: "Sebastian Ahndorf" <webmaster at it-is-warlock.de>

> 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).

Quite a few 100tx nic / switch combinations misbehave when both
sides are not set to the same be that 100fdx or auto sense. I've actually
never seen a problem with 100tx autoneg as long as both ends had
it selected and there wasn't a cable problem.


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