[CentOS] 1 Gbit/s Ethernet NIC under CentOS

Christopher Chan christopher.chan at bradbury.edu.hk
Thu Dec 2 13:58:19 UTC 2010


On Thursday, December 02, 2010 08:28 PM, Peter Kjellström wrote:
> On Thursday 02 December 2010 12:22:38 Christopher Chan wrote:
>
>  > On Thursday, December 02, 2010 06:53 PM, Peter Kjellström wrote:
>
>  > > For completeness (since many previous posts have touched on this), we
>
>  > > don't use jumbo frames since we have no problem reaching wirespeed with
>
>  > > normal 1500 frames.
>
>  >
>
>  > Seriously? What switches?
>
> Mostly procurve, but really, 1G eth goes wirespeed almost regardless
> what you do to it nowadays. In fact, I can run wirespeed 10G eth through
> our cisco, procurve and bladnetworks without going jumbo.

I have HP Procurves too and I don't get wirespeed...

I'll run an artificial benchmark...maybe it's disk i/o in the way.


>
> IMO lots of people waste time on jumbo frames when there's really no (or
> very little) need.
>

Maybe...



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