gigabit ethernet: does it always suck?

Jerry McBride mcbrides9
Fri Aug 12 23:29:42 PDT 2005


On Friday 12 August 2005 10:10 pm, Net Llama! wrote:
> I've been playing with gigabit ethernet a bit at work lately, and I've
> found it to be incredibly inreliable.  Sometimes I'll get 800-900Mb/s,
> and then other times i'm lucky if I hit 300Mb/s.  This is all on a test
> network with a fairly beefy Gb switch.
>
> Even worse, is that sometimes I can't even get the NICs to autonegotiate
> to 1000Mb/s.
>
> Someone please tell me that this is not normal?
>
> I should note that if I fall back to 10/100 then all is good.

I'd spend some time swapping your cat cables out, sound like you might have a 
bad one or two. Over here, it's pretty much a given that the gigabit net will 
give you 800Mbs all the time, any time.


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