From owner-freebsd-net@FreeBSD.ORG  Wed Apr 19 11:21:36 2006
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
X-Original-To: freebsd-net@freebsd.org
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 20E9C16A400;
	Wed, 19 Apr 2006 11:21:36 +0000 (UTC)
	(envelope-from b.candler@pobox.com)
Received: from proof.pobox.com (proof.pobox.com [207.106.133.28])
	by mx1.FreeBSD.org (Postfix) with ESMTP id AE52043D45;
	Wed, 19 Apr 2006 11:21:35 +0000 (GMT)
	(envelope-from b.candler@pobox.com)
Received: from proof (localhost [127.0.0.1])
	by proof.pobox.com (Postfix) with ESMTP id E0F07F2E0A;
	Wed, 19 Apr 2006 07:21:34 -0400 (EDT)
Received: from mappit.local.linnet.org (212-74-113-67.static.dsl.as9105.com
	[212.74.113.67])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by proof.sasl.smtp.pobox.com (Postfix) with ESMTP id 886453E1E8;
	Wed, 19 Apr 2006 07:21:31 -0400 (EDT)
Received: from lists by mappit.local.linnet.org with local (Exim 4.60
	(FreeBSD)) (envelope-from <b.candler@pobox.com>)
	id 1FWAkU-0001zE-1J; Wed, 19 Apr 2006 12:21:30 +0100
Date: Wed, 19 Apr 2006 12:21:30 +0100
From: Brian Candler <B.Candler@pobox.com>
To: Sten Daniel =?iso-8859-1?Q?S=F8rsdal?= <lists@wm-access.no>
Message-ID: <20060419112130.GE7542@uk.tiscali.com>
References: <200604142048.20189.doconnor@gsoft.com.au>
	<20060414140709.20c51ebc@localhost>
	<200604151053.25089.doconnor@gsoft.com.au>
	<20060415115352.1ef82bb1@localhost>
	<20060415195147.GA54638@heff.fud.org.nz>
	<20060415232801.0dbbc8f4@localhost> <4444CA13.8000405@wm-access.no>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <4444CA13.8000405@wm-access.no>
User-Agent: Mutt/1.4.2.1i
Cc: freebsd-net@freebsd.org, Andrew Thompson <thompsa@freebsd.org>,
	Fabian Keil <freebsd-listen@fabiankeil.de>
Subject: Re: How to use if_bridge
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 19 Apr 2006 11:21:36 -0000

On Tue, Apr 18, 2006 at 01:14:27PM +0200, Sten Daniel Srsdal wrote:
> hostap should work, ad-hoc should work. by infrastructure you mean that
> the card operates as a 'station'? then it shouldn't work (correctly) as
> defined by the standard. commercial products tend to implement "mac-nat"

I've seen this; a 'wireless bridge' is actually a masquerading router.
See http://forum.openwrt.org/viewtopic.php?id=5105 for some ARP and tcpdump
capture which shows the device actually mangling the ARP responses.

It does seem to work though (as long as you only want to bridge IP
datagrams)