From owner-freebsd-net@FreeBSD.ORG  Thu Sep 22 11:05:26 2005
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 3E10016A420;
	Thu, 22 Sep 2005 11:05:26 +0000 (GMT)
	(envelope-from yar@comp.chem.msu.su)
Received: from comp.chem.msu.su (comp.chem.msu.su [158.250.32.97])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 84CC843D46;
	Thu, 22 Sep 2005 11:05:17 +0000 (GMT)
	(envelope-from yar@comp.chem.msu.su)
Received: from comp.chem.msu.su (localhost [127.0.0.1])
	by comp.chem.msu.su (8.13.3/8.13.3) with ESMTP id j8MB5AlW016461;
	Thu, 22 Sep 2005 15:05:10 +0400 (MSD)
	(envelope-from yar@comp.chem.msu.su)
Received: (from yar@localhost)
	by comp.chem.msu.su (8.13.3/8.13.3/Submit) id j8MB5ADw016459;
	Thu, 22 Sep 2005 15:05:10 +0400 (MSD) (envelope-from yar)
Date: Thu, 22 Sep 2005 15:05:09 +0400
From: Yar Tikhiy <yar@comp.chem.msu.su>
To: Justas Jakubauskas <justas@vusa.lt>
Message-ID: <20050922110509.GA16325@comp.chem.msu.su>
References: <20050922104104.GA13539@comp.chem.msu.su>
	<53380.81.7.76.219.1127386461.squirrel@mail.vusa.lt>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <53380.81.7.76.219.1127386461.squirrel@mail.vusa.lt>
User-Agent: Mutt/1.5.9i
Cc: freebsd-net@freebsd.org, freebsd-current@freebsd.org
Subject: Re: "ifconfig -vlandev" syntax
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: Thu, 22 Sep 2005 11:05:26 -0000

On Thu, Sep 22, 2005 at 01:54:21PM +0300, Justas Jakubauskas wrote:
> 
> > -vlandev takes a useless argument (vlan(4) cannot attach to more
> > than one parent anyway) while, e.g., -carpdev doesn't need one.
> 
> And how system should know, to which device attach your vlan ?

"-vlandev" is for _detaching_ a vlan interface from its parent.
The option is used more often than it could because one cannot move
a vlan interface to another parent or VLAN tag w/o detaching it
first.

-- 
Yar