From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: bridge: Only flood unregistered groups to routers Date: Fri, 24 Jun 2011 17:53:47 -0700 (PDT) Message-ID: <20110624.175347.1335501634665889751.davem@davemloft.net> References: <20110623123912.GA29381@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: herbert@gondor.hengli.com.au Return-path: Received: from shards.monkeyblade.net ([198.137.202.13]:42506 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751171Ab1FYAxw (ORCPT ); Fri, 24 Jun 2011 20:53:52 -0400 In-Reply-To: <20110623123912.GA29381@gondor.apana.org.au> Sender: netdev-owner@vger.kernel.org List-ID: From: Herbert Xu Date: Thu, 23 Jun 2011 20:39:12 +0800 > bridge: Only flood traffic for unregistered groups to routers > > The bridge currently floods packets to groups that we have never > seen before to all ports. This is not required by RFC4541 and > in fact it is not desirable in environment where traffic to > unregistered group is always present. > > This patch changes the behaviour so that we only send traffic > to unregistered groups to ports marked as routers. > > The user can always force flooding behaviour to any given port > by marking it as a router. > > Note that this change does not apply to traffic to 224.0.0.X > as traffic to those groups must always be flooded to all ports. > > Signed-off-by: Herbert Xu Applied, thanks.