From owner-freebsd-questions@FreeBSD.ORG Thu Dec 6 17:37:00 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id ADBC616A421 for ; Thu, 6 Dec 2007 17:37:00 +0000 (UTC) (envelope-from fbsd06+Q5=a21a498c@mlists.homeunix.com) Received: from turtle-out.mxes.net (turtle-out.mxes.net [216.86.168.191]) by mx1.freebsd.org (Postfix) with ESMTP id 7892413C4D5 for ; Thu, 6 Dec 2007 17:37:00 +0000 (UTC) (envelope-from fbsd06+Q5=a21a498c@mlists.homeunix.com) Received: from mxout-04.mxes.net (mxout-04.mxes.net [216.86.168.179]) by turtle-in.mxes.net (Postfix) with ESMTP id 8A6781641E3 for ; Thu, 6 Dec 2007 12:13:16 -0500 (EST) Received: from gumby.homeunix.com. (unknown [87.81.140.128]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.mxes.net (Postfix) with ESMTP id 0C959D05A2 for ; Thu, 6 Dec 2007 12:13:14 -0500 (EST) Date: Thu, 6 Dec 2007 17:13:12 +0000 From: RW To: freebsd-questions@freebsd.org Message-ID: <20071206171312.1633279a@gumby.homeunix.com.> In-Reply-To: <200712061537.22617.silver.salonen@gmail.com> References: <14188023.post@talk.nabble.com> <200712061331.39016.silver.salonen@gmail.com> <200712061501.35633.nvass@teledomenet.gr> <200712061537.22617.silver.salonen@gmail.com> X-Mailer: Claws Mail 3.0.2 (GTK+ 2.12.1; i386-portbld-freebsd7.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: enabling if_bridge STP X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Dec 2007 17:37:00 -0000 On Thu, 6 Dec 2007 15:37:21 +0200 Silver Salonen wrote: > Is all the traffic pass through the root-bridge in this case, so that > if bridge1 wants to talk to bridge2, it has to go through root-bridge > and not straight? In my case there's a straight connection between > bridge1 and bridge2 too, so that they don't have to communicate > through root-bridge. The problem is that, even with switched ethernet, some packets have to be broadcast, which can lead to packets going round in loops or multiplying into a broadcast storm. STP prevents this by disabling connections to remove loops in the network.