From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Steinar H. Gunderson" Subject: Re: fe80::/64 route missing on GRE tunnels Date: Mon, 17 Feb 2014 11:17:30 +0100 Message-ID: <20140217101730.GC32630@sesse.net> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: netdev@vger.kernel.org, itk-intern@samfundet.no, Hannes Frederic Sowa To: Nicolas Dichtel Return-path: Received: from cassarossa.samfundet.no ([193.35.52.29]:48133 "EHLO cassarossa.samfundet.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751790AbaBQKRd (ORCPT ); Mon, 17 Feb 2014 05:17:33 -0500 Content-Disposition: inline In-Reply-To: <5301DD8A.10808@6wind.com> Sender: netdev-owner@vger.kernel.org List-ID: 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 without 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 tunnel 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. /* Steinar */ -- ITK-pang http://www.sesse.net/