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Date:      Fri, 24 Apr 1998 10:34:30 -0500
From:      Jonathan Lemon <jlemon@americantv.com>
To:        Luigi Rizzo <luigi@labinfo.iet.unipi.it>
Cc:        current@FreeBSD.ORG
Subject:   Re: Bridging...
Message-ID:  <19980424103430.27432@right.PCS>
In-Reply-To: <199804240607.IAA20557@labinfo.iet.unipi.it>; from Luigi Rizzo on Apr 04, 1998 at 08:07:24AM %2B0200
References:  <199804240607.IAA20557@labinfo.iet.unipi.it>

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On Apr 04, 1998 at 08:07:24AM +0200, Luigi Rizzo wrote:
> I am trying to see what could be the best way to implement bridging
> within FreeBSD. The main app would be to connect 10/100 Mbit
> interfaces in the most transparent way (I know doing packet filtering
> on a 100 Mbit segment places a bit of load on the host and a
> dedicated solution could be cheaper/more efficient).
> 
> After thinking a bit, how about the following:
> 
>   + add a "linked" (or whatever name you like) command to "ifconfig"
>     so that you can say
> 
> 	ifconfig de1 linked ed0
> 
>     and then de1 inherits all features (ethernet and ip addresses,
>     aliases, netmasks...) of ed0. (Using the same ethernet addr makes
>     life easier when responding to ARP requests...)

That would be nice.  Right now, I do ``bridging'' with an ugly mixture
of -link and -iface flags, combined with some mucking around with the 
arp table.  I always thought that there should be an easier way to do it.
--
Jonathan

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