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Date:      Fri, 19 May 2006 09:53:57 +0200
From:      Thomas <freebsdlists@bsdunix.ch>
To:        Julian Elischer <julian@elischer.org>
Cc:        freebsd-net@freebsd.org, Marcin Jessa <lists@yazzy.org>
Subject:   Re: trunk interface (was (no subject))
Message-ID:  <1148025237.38606.6.camel@bert.mlan.solnet.ch>
In-Reply-To: <446D19E7.2010804@elischer.org>
References:  <C378B27F-22B6-4905-9BE8-54BF47A400A7@bsdunix.ch> <20060518220945.f81a743a.lists@yazzy.org> <FCF0E8B5-C60F-4B87-810A-289C2D948B83@bsdunix.ch> <446D19E7.2010804@elischer.org>

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Am Donnerstag, den 18.05.2006, 18:05 -0700 schrieb Julian Elischer:
> Thomas Vogt wrote:
> 
> > Hi
> >
> > Thanks. I know about the netgraph ether/fec interfaces. But I thought  
> > about a solution without netgraph. AFAIK Netgraph implies overhead  
> > and ng_ehter is more complicated to set up. This is a problem with  
> > non technical people. I'm happy they already know a bit about   
> > ifconfig commands.
> 
> 
> two items.
> 1/ ng_fec only uses the config framework of netgraph. For data it goes 
> direct to the interfaces.

Ah good to know. Since this is for a network course it would be easier
if this "trunk" could be setup via ifconfig command. But I will try it.

> 2/ netgraph is not that high an overhead.  (what made you think it was?)

Well I heard that netgraph has some overhead on various conferences. I'm
planning to use such a feature on very very high loaded GigE router,
every extra kernel hook could cost some performance, IMHO.

Thanks and cheers,
Thomas




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