On Wed, Jan 25, 2006 at 08:01:47PM +0100, Pavel Cahyna wrote:
> On Wed, Jan 25, 2006 at 07:50:57PM +0100, Manuel Bouyer wrote:
> > On Wed, Jan 25, 2006 at 12:22:06PM +0100, Pavel Cahyna wrote:
> > > the itended effect...
> > > 
> > > What is the purpose of hardware VLAN tagging, anyway? The performance
> > > impact will be rather negative, because searching the VLAN tag in the
> > > linear list of mbuf tags will be probably slower than simply prepending it
> > > to the mbuf. It also seriously limits usability of tcpdump (tcpdump sees
> > 
> > I can tell you that it has a positive inpact on a Alpha DS20 with a
> > gigabit interface; I get a 10% increase with tcpdump.
> 
> tcpdump?

Sorry, I meant ttcp

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--