From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v2 nf-next 1/6] net: untangle ip_fragment and bridge netfilter Date: Tue, 17 Mar 2015 13:12:50 -0400 (EDT) Message-ID: <20150317.131250.1794140944101735383.davem@davemloft.net> References: <20150316225545.GA4454@salvia> <20150317.004224.595812379252826772.davem@davemloft.net> <20150317101152.GB26394@breakpoint.cc> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: pablo@netfilter.org, netfilter-devel@vger.kernel.org, netdev@vger.kernel.org, azhou@nicira.com To: fw@strlen.de Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:49846 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753562AbbCQRMx (ORCPT ); Tue, 17 Mar 2015 13:12:53 -0400 In-Reply-To: <20150317101152.GB26394@breakpoint.cc> Sender: netfilter-devel-owner@vger.kernel.org List-ID: From: Florian Westphal Date: Tue, 17 Mar 2015 11:11:52 +0100 > And doing route lookups will break things for some people, we have zero > guarantee that a bridge has the needed routing information, > its valid to not even configure a default gateway on a bridge. Then without a proper route you absolutely cannot choose an appropriate MTU from which to perform fragmentation. Just accept that basic fact.