From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?B?0JDQu9C10LrRgdC10Lkg0JHQvtC70LTRi9GA0LXQsg==?= Subject: Linux MPLS traceroute failure Date: Sun, 13 Aug 2017 01:42:43 +0300 Message-ID: <206091502577763@web5g.yandex.ru> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit To: netdev Return-path: Received: from forward101p.mail.yandex.net ([77.88.28.101]:57818 "EHLO forward101p.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752023AbdHLWue (ORCPT ); Sat, 12 Aug 2017 18:50:34 -0400 Received: from mxback5g.mail.yandex.net (mxback5g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:166]) by forward101p.mail.yandex.net (Yandex) with ESMTP id 053036A82530 for ; Sun, 13 Aug 2017 01:42:44 +0300 (MSK) Sender: netdev-owner@vger.kernel.org List-ID: Testing MPLS from Linux kernel 4.12. The trace route is duplicete pe-p hop. This is not visible MPLS label on traceroute. root@ne-vlezay80:~# traceroute -e 10.10.10.4 traceroute to 10.10.10.4 (10.10.10.4), 30 hops max, 60 byte packets 1 10.5.5.1 (10.5.5.1) 0.028 ms 0.005 ms 0.006 ms 2 10.4.4.2 (10.4.4.2) 0.021 ms 0.007 ms 0.012 ms 3 10.4.4.2 (10.4.4.2) 0.008 ms 0.008 ms 0.007 ms 4 10.10.10.4 (10.10.10.4) 0.015 ms 0.009 ms 0.008 ms root@ne-vlezay80:~#