From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Steinar H. Gunderson" Subject: fe80::/64 route missing on GRE tunnels Date: Tue, 11 Feb 2014 22:55:11 +0100 Message-ID: <20140211215510.GA6994@sesse.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: itk-intern@samfundet.no To: netdev@vger.kernel.org Return-path: Received: from cassarossa.samfundet.no ([193.35.52.29]:47990 "EHLO cassarossa.samfundet.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752680AbaBKVzQ (ORCPT ); Tue, 11 Feb 2014 16:55:16 -0500 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: Hi, It seems that recent kernels no longer automatically add the link-local route to GRE tunnels. 3.10.27 does it right: root@morgental:~# ip tunnel add foo mode gre remote 1.2.3.4 ttl 64 root@morgental:~# ip link set foo up mtu 1468 root@morgental:~# ip -6 route show dev foo fe80::/64 proto kernel metric 256 but on 3.13.1, no such route shows up. I can add it manually, though. This broke our in-house IPv6 tunnel broker (which essentially uses link-local addresses over GRE tunnels to bring up BGP sessions). Do you think you could have a look? /* Steinar */ -- Homepage: http://www.sesse.net/