From owner-freebsd-net@FreeBSD.ORG  Mon Jan 23 23:38:57 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 EAC62106566B
	for <freebsd-net@freebsd.org>; Mon, 23 Jan 2012 23:38:57 +0000 (UTC)
	(envelope-from lacombar@gmail.com)
Received: from mail-ww0-f42.google.com (mail-ww0-f42.google.com [74.125.82.42])
	by mx1.freebsd.org (Postfix) with ESMTP id 808D48FC14
	for <freebsd-net@freebsd.org>; Mon, 23 Jan 2012 23:38:56 +0000 (UTC)
Received: by wgbgn7 with SMTP id gn7so2175790wgb.1
	for <freebsd-net@freebsd.org>; Mon, 23 Jan 2012 15:38:56 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=mime-version:in-reply-to:references:date:message-id:subject:from:to
	:cc:content-type:content-transfer-encoding;
	bh=7bPGMGoSES+jh9gPn+KLGRz+M6cfTBdN9gW175FzP3Q=;
	b=qEKW/wLL0zePO5a7QOTF8Rl8GOta+sbnReZ93C9CP57rMNLLMbgHhFtJhPGVkqGIMp
	Y4vlfvh1jaN3jLxcwfNaz7/XUx4InFmsNU6p6TocjBv+W40aa+PeEtTp6x6gtCFJksY/
	M18lBtrpr9HLy4XWVIdDtMIzRV0+/aKgCKOKU=
MIME-Version: 1.0
Received: by 10.180.96.161 with SMTP id dt1mr348wib.13.1327360315920; Mon, 23
	Jan 2012 15:11:55 -0800 (PST)
Received: by 10.216.82.2 with HTTP; Mon, 23 Jan 2012 15:11:51 -0800 (PST)
In-Reply-To: <220871327066330@web3.yandex.ru>
References: <220871327066330@web3.yandex.ru>
Date: Mon, 23 Jan 2012 18:11:51 -0500
Message-ID: <CACqU3MWMcXA9NuxQ6dErs2iNDa8ek34QJzDB62ts4_rVJMfg+Q@mail.gmail.com>
From: Arnaud Lacombe <lacombar@gmail.com>
To: Dmukha Nikolay <cosmic17@yandex.by>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Cc: freebsd-net@freebsd.org
Subject: Re: MSTP on FreeBSD
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: Mon, 23 Jan 2012 23:38:58 -0000

Hi,

On Fri, Jan 20, 2012 at 8:32 AM, Dmukha Nikolay <cosmic17@yandex.by> wrote:
> Hello.
> Please, help me to setup this sheme:
> *******************************************************
> comp1 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 comp2
> =A0| =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 |
> =A0| =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 |
> dgs3627g(24)-----------(12)dgs3612g
> =A0|(21) =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0(9)|
> =A0|______freebsd bridge_______|
> *******************************************************
>
> Devices are:
> Dlink DGS3627G (FW 2.84-B25), Dlink DGS3612G (FW 2.84-B25), FreeBSD (8.0 =
stable 201105).
>
> The main target is to reserve the FreeBsd bridge. The priority route for =
traffic from comp 1 to comp 2 is freebsd. When the server (freebsd bridge) =
is down, traffic should go through the direct link between switches. I want=
 to reserve 3 freebsd bridges.
what do you mean by "I want to reserve 3 freebsd bridges" ?

> So it`s necessary to use MSTP technology.
Does it ? I only see a single VLAN in your setup, which limits MSTP utility=
.

FreeBSD does not support MSTP. In presence of MSTP-enabled bridges, it
will fall back to RSTP mode, and only see the CIST. I an not sure how
the CIST is exactly built in such a mixed environment.

 - Arnaud