Subject: Re: gigabit "benchmark"
To: None <tech-net@NetBSD.org>
From: Pavel Cahyna <pavel@NetBSD.org>
List: tech-net
Date: 12/06/2007 13:01:32
On Wed, Dec 05, 2007 at 10:24:56PM +0100, Hubert Feyrer wrote:
> On Wed, 5 Dec 2007, Klaus Heinz wrote:
> >Any opinions why NetBSD does not reach (near-) wirespeed with those Intel
> >NICs as the others do and at the same time needs 100% CPU?
> 
> TCP buffers too small, and other values not tuned, see [1]? Though IIRC there 
> was something about auto-tuning those buffers, but I don't know if that's 
> enabled by default (or how to enable it if not).
> 
> [1] http://proj.sunet.se/LSR2/

The test is for routing and pf, so TCP buffers should not matter.

Pavel