From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753094AbbCaUt1 (ORCPT ); Tue, 31 Mar 2015 16:49:27 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:50691 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752491AbbCaUtZ (ORCPT ); Tue, 31 Mar 2015 16:49:25 -0400 Date: Tue, 31 Mar 2015 16:49:23 -0400 (EDT) Message-Id: <20150331.164923.229749666073516444.davem@davemloft.net> To: hannes@stressinduktion.org Cc: klamm@yandex-team.ru, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] net: sysctl for RA default route MTU From: David Miller In-Reply-To: <1427834148.979686.247747037.29964C1B@webmail.messagingengine.com> References: <1427718657-21674-1-git-send-email-klamm@yandex-team.ru> <20150331.160538.1808487957641759931.davem@davemloft.net> <1427834148.979686.247747037.29964C1B@webmail.messagingengine.com> X-Mailer: Mew version 6.6 on Emacs 24.4 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 31 Mar 2015 13:49:25 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hannes Frederic Sowa Date: Tue, 31 Mar 2015 22:35:48 +0200 > Could you quickly comment on what you had in mind? I guess it is about > handling RA in user space on the end hosts and overwriting MTU during > insertion of the routes? Even after reading your email I have no idea why you can't just have RA provide a 1500 byte MTU, everything else uses the device's 9000 MTU, problem solved?