Subject: Re: disabling "switching" functionality in bridge(4)?
To: Hubert Feyrer <hubert@feyrer.de>
From: Daniel Carosone <dan@geek.com.au>
List: tech-net
Date: 02/27/2005 11:46:40
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On Sun, Feb 27, 2005 at 12:19:48AM +0100, Hubert Feyrer wrote:
> This doesn't work, as bridge(4) is smart enough to learn MAC addresses,=
=20
> and only forward to the right "port", not all of them (i.e. it's=20
> operating as a switch, not hub).

It can do either.  You can change this behaviour with the 'learn' and
'discover' flags.  Hub mode is all interfaces discover,-learn.

> Or allow adding some "mirror" port?
> Or even giving the bridge device an IP number, and run tcpdump on that?

You could also use BRIDGE_IPF and a dup-to, I suppose.

--
Dan.
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