From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valentijn Sessink Subject: Re: IPv6 path discovery oddities - flushing the routing cache resolves Date: Fri, 18 Oct 2013 08:44:46 +0200 Message-ID: <5260D8DE.30303@blub.net> References: <525E6B03.1040409@blub.net> <20131016154841.GC18135@order.stressinduktion.org> <525FC1C4.3070605@blub.net> <20131018030440.GI18135@order.stressinduktion.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from filter.openoffice.nl ([178.63.187.165]:57713 "EHLO filter.openoffice.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751021Ab3JRGwe (ORCPT ); Fri, 18 Oct 2013 02:52:34 -0400 Received: from localhost (localhost [127.0.0.1]) by filter.openoffice.nl (Postfix) with ESMTP id 2CD7B6EBF1 for ; Fri, 18 Oct 2013 08:44:48 +0200 (CEST) Received: from filter.openoffice.nl ([127.0.0.1]) by localhost (filter.openoffice.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0hoI76D5tzrh for ; Fri, 18 Oct 2013 08:44:46 +0200 (CEST) Received: from blub.net (unknown [IPv6:2001:7b8:1529:0:5054:ff:fe70:c2c4]) by filter.openoffice.nl (Postfix) with ESMTP id 608096EB18 for ; Fri, 18 Oct 2013 08:44:46 +0200 (CEST) Received: from [IPv6:2001:1af8:ff03:3:219:66ff:fe26:6dd] (unknown [IPv6:2001:1af8:ff03:3:219:66ff:fe26:6dd]) by blub.net (Postfix) with ESMTPSA id 12F263002E5 for ; Fri, 18 Oct 2013 08:44:46 +0200 (CEST) In-Reply-To: <20131018030440.GI18135@order.stressinduktion.org> Sender: netdev-owner@vger.kernel.org List-ID: On 18-10-13 05:04, Hannes Frederic Sowa wrote: > Thanks, I needed this to verify I am on the right track replicating this. > 2001:1af8:ff03:3:219:66ff:fe26:6dd is the other end of the connection, I > guess? Yes, the working connection (first example) is from 2001:1af8:ff03:3:219:66ff:fe26:6dd. The non-working connection should have an MTU of 1280 on the 2001:7b8:1529:: subnet connections (those are tunneled, with the tunnel restricting the MTU). Best regards, Valentijn