From owner-freebsd-net@FreeBSD.ORG  Wed Apr 18 01:00:14 2012
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 6DCDA106566C;
	Wed, 18 Apr 2012 01:00:09 +0000 (UTC)
	(envelope-from emaste@freebsd.org)
Received: from mail1.sandvine.com (Mail1.sandvine.com [64.7.137.134])
	by mx1.freebsd.org (Postfix) with ESMTP id 17EEC8FC0C;
	Wed, 18 Apr 2012 01:00:09 +0000 (UTC)
Received: from labgw2.phaedrus.sandvine.com (192.168.222.22) by
	WTL-EXCH-1.sandvine.com (192.168.196.31) with Microsoft SMTP Server id
	14.1.339.1; Tue, 17 Apr 2012 21:00:08 -0400
Received: by labgw2.phaedrus.sandvine.com (Postfix, from userid 10332)	id
	29AAA33C02; Tue, 17 Apr 2012 21:00:06 -0400 (EDT)
Date: Tue, 17 Apr 2012 21:00:05 -0400
From: Ed Maste <emaste@freebsd.org>
To: Andrew Thompson <thompsa@FreeBSD.org>
Message-ID: <20120418010005.GA89815@sandvine.com>
References: <20120418003939.GA32603@sandvine.com>
	<CAFAOGNTARsF1Vp9uvxFsiD9i-NQ_ap3KAr6Q_-wFO_87DBiQdQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <CAFAOGNTARsF1Vp9uvxFsiD9i-NQ_ap3KAr6Q_-wFO_87DBiQdQ@mail.gmail.com>
User-Agent: Mutt/1.4.2.1i
Cc: freebsd-net@freebsd.org
Subject: Re: lagg(4) MAC address selection proposal
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, 18 Apr 2012 01:00:14 -0000

On Wed, Apr 18, 2012 at 12:53:43PM +1200, Andrew Thompson wrote:

> What we also need is a event trigger for
> various pseudo interfaces when the mac or primary interface changes,
> this would allow arp/nd6 to rebroadcast.

Yes, we're working something like this specifically for lagg but it
should be made more general for all of these cases.  In the lagg
failover case we need to have a gratuitous arp/nd6 when the link states
change.

Did you see glebius's message:

http://docs.freebsd.org/cgi/getmsg.cgi?fetch=126040+0+archive/2012/freebsd-net/20120212.freebsd-net

-Ed