From owner-freebsd-pf@FreeBSD.ORG  Wed Apr  6 00:48:10 2005
Return-Path: <owner-freebsd-pf@FreeBSD.ORG>
Delivered-To: freebsd-pf@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 43AD116A4CE
	for <freebsd-pf@freebsd.org>; Wed,  6 Apr 2005 00:48:10 +0000 (GMT)
Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.196])
	by mx1.FreeBSD.org (Postfix) with ESMTP id CBB4A43D5D
	for <freebsd-pf@freebsd.org>; Wed,  6 Apr 2005 00:48:09 +0000 (GMT)
	(envelope-from jsimola@gmail.com)
Received: by wproxy.gmail.com with SMTP id 69so35625wri
        for <freebsd-pf@freebsd.org>; Tue, 05 Apr 2005 17:48:08 -0700 (PDT)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
	s=beta; d=gmail.com;
	h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:references;
	b=T1qA135Klu2VHsaMU0iP5HB6ZZDhQ7F2N5RMuAOoyk5W2dWSe+sD58wWsBYENA8Omlyg7iu+GFSBNQetsm3qsPr42UnoahF/vdo9L2KK3/jlIcDlPDo90dDoVLBnL+KKyiUM6vd3DS4y8LUDEU0aHQbL1e+nYE3GzjjRTNx1RO0=
Received: by 10.54.28.8 with SMTP id b8mr138492wrb;
        Tue, 05 Apr 2005 17:48:08 -0700 (PDT)
Received: by 10.54.39.6 with HTTP; Tue, 5 Apr 2005 17:48:07 -0700 (PDT)
Message-ID: <8eea040805040517486ff96c0d@mail.gmail.com>
Date: Tue, 5 Apr 2005 16:48:07 -0800
From: Jon Simola <jsimola@gmail.com>
To: Glenn Lebumfacil <glenngl@prolexic.com>, freebsd-pf@freebsd.org
In-Reply-To: <425313F8.5030406@prolexic.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
References: <425313F8.5030406@prolexic.com>
Subject: Re: RELENG_5, CARP, and carpdev
X-BeenThere: freebsd-pf@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
Reply-To: jon@abccomm.com
List-Id: Technical discussion and general questions about packet filter (pf)
	<freebsd-pf.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-pf>,
	<mailto:freebsd-pf-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-pf>
List-Post: <mailto:freebsd-pf@freebsd.org>
List-Help: <mailto:freebsd-pf-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-pf>,
	<mailto:freebsd-pf-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 06 Apr 2005 00:48:10 -0000

On Apr 5, 2005 2:40 PM, Glenn Lebumfacil <glenngl@prolexic.com> wrote:
> If you don't have a place to specify the carp device (like
> vlandev for vlan interfaces), how does it choose which interface to bind
> to?  Does it always choose the first interface?  So... em0 in my case.

The interface is chosen based on existing configured networks. So if
you have 10.1.1.1/24 configured on em0, then configuring carp0 as
10.1.1.254 will have it running on em0. This does seem a bit odd, but
it's how it works.

http://marc.theaimsgroup.com/?l=openbsd-tech&m=110229937028512&w=2
Is a pach against OpenBSD-current that might be appearing in OpenBSD
3.7 that adds the carpdev keyword and binding to a physical interface.

-- 
Jon Simola
Systems Administrator
ABC Communications