From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Dichtel Subject: Re: fe80::/64 route missing on GRE tunnels Date: Mon, 17 Feb 2014 11:34:07 +0100 Message-ID: <5301E59F.5090506@6wind.com> References: <20140211215510.GA6994@sesse.net> <20140211215928.GA7862@sesse.net> <20140215074559.GA8634@order.stressinduktion.org> <20140215121027.GC8634@order.stressinduktion.org> <5301D843.4020802@6wind.com> <20140217094557.GB32630@sesse.net> <5301DD8A.10808@6wind.com> <20140217101730.GC32630@sesse.net> Reply-To: nicolas.dichtel@6wind.com Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE To: netdev@vger.kernel.org, itk-intern@samfundet.no, Hannes Frederic Sowa , sesse@samfundet.no Return-path: Received: from mail-wg0-f54.google.com ([74.125.82.54]:45042 "EHLO mail-wg0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751490AbaBQKeK (ORCPT ); Mon, 17 Feb 2014 05:34:10 -0500 Received: by mail-wg0-f54.google.com with SMTP id l18so2060827wgh.33 for ; Mon, 17 Feb 2014 02:34:08 -0800 (PST) In-Reply-To: <20140217101730.GC32630@sesse.net> Sender: netdev-owner@vger.kernel.org List-ID: Le 17/02/2014 11:17, Steinar H. Gunderson a =C3=A9crit : > On Mon, Feb 17, 2014 at 10:59:38AM +0100, Nicolas Dichtel wrote: >>> It is added (ip -6 addr add fe80::1 dev foo), but it doesn't help w= ithout the >>> /64 being present. >> With 'ip -6 addr add fe80::1/64 dev foo', the link local route will = be added. > > Possible, but you're still breaking userspace. You could argue the tu= nnel > setup system in question should have added a /64 in the first place, = but it > is deployed at a number of locations and changing all of them is not = trivial. I will propose a patch (instead of reverting the original one).