R300 & auto negotiation

David Brůha d.bruha at 1art.cz
Fri Jul 23 06:36:38 CDT 2010

Dne pátek 23 Červenec 2010 12:58:29 Steve Thompson napsal(a):
> On Fri, 23 Jul 2010, Administrator TOOTAI wrote:
> > Le 23/07/2010 11:05, Dave Ewart a écrit :
> >> On Friday, 23.07.2010 at 09:48 +0200, Robert von Bismarck wrote:
> >>>  From my experience, when you want to be certain, you must force 100mb
> >>> 
> >>> networks to 100-full. Auto-neg is mostly hit'n miss, especially on
> >>> high-end manageable switches like cisco, extreme networks or HP.
> >> 
> >> Seriously?  I've never seen the kind of behaviour you describe, I'm
> >> surprised.
> > 
> > I agree with Robert. We had networks problems with servers in DC and
> > once we force 100-full they disappear.
> I agree also. I've seen a lot of autoneg problems (HP servers) with Cisco
> switches, even at gig speeds. Never with PExxxx and HP switches, though.
> Steve

We had the same kind of problems with Optiplex desktops connecting to Cisco 
switches, had to set the connection to 1Gbps fixed. Servers (mostly R/T610) are 
running fine but we are using intel network addon cards only. Perhaps it's a 
problem with the broadcom drivers?

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