From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Frederic Sowa Subject: Re: Possible IPv6 fragmentation/pmtud bug Date: Thu, 5 Dec 2013 21:18:57 +0100 Message-ID: <20131205201856.GC21745@order.stressinduktion.org> References: <2134F8430051B64F815C691A62D9831816F612@XCH-BLV-504.nw.nos.boeing.com> <2134F8430051B64F815C691A62D9831816F6A4@XCH-BLV-504.nw.nos.boeing.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: "netdev@vger.kernel.org" To: "Templin, Fred L" Return-path: Received: from order.stressinduktion.org ([87.106.68.36]:34022 "EHLO order.stressinduktion.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752675Ab3LEUS6 (ORCPT ); Thu, 5 Dec 2013 15:18:58 -0500 Content-Disposition: inline In-Reply-To: <2134F8430051B64F815C691A62D9831816F6A4@XCH-BLV-504.nw.nos.boeing.com> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, Dec 05, 2013 at 08:13:25PM +0000, Templin, Fred L wrote: > Another clue that I should have mentioned in my initial message; the > "hosts", "routers" and "links" are not physical nodes but rather > network namespace virtual nodes running within a single linux 3.10.17 > emulation server. Could there be some sort of weird "cross-talk" > between VMs that is making the router believe it is a host? That is probable. With a quick test I could not reproduce it. I guess we don't reset skb->local_df after creation. I'll check it out. Thanks for the report, Hannes