From mboxrd@z Thu Jan 1 00:00:00 1970 From: Klavs Klavsen Subject: Re: TCP fast retransmit issues Date: Wed, 26 Jul 2017 16:08:19 +0200 Message-ID: References: <200d9a12e9f2f5791d4c5ce2d47a1239@vsen.dk> <1501069756.12695.11.camel@edumazet-glaptop3.roam.corp.google.com> <1501075881.12695.15.camel@edumazet-glaptop3.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Eric Dumazet Return-path: Received: from jaina.enableit.dk ([109.238.49.194]:50730 "EHLO kolab01.enableit.idk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750781AbdGZOIe (ORCPT ); Wed, 26 Jul 2017 10:08:34 -0400 In-Reply-To: <1501075881.12695.15.camel@edumazet-glaptop3.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: Grabbed on both ends. http://blog.klavsen.info/fast-retransmit-problem-junos-linux (updated to new dump - from client scp'ing) http://blog.klavsen.info/fast-retransmit-problem-junos-linux-receiving-side (receiving host) Eric Dumazet skrev den 2017-07-26 15:31: > On Wed, 2017-07-26 at 14:18 +0200, Klavs Klavsen wrote: >> the 192.168.32.44 is a Centos 7 box. > > Could you grab a capture on this box, to see if the bogus packets are > sent by it, or later mangled by a middle box ? > [CUT] > 3012336703:3012338051 is clearly outside of the window. > Receiver claims to have received bytes that were never sent. > Thank you very much.. [CUT] -- Regards, Klavs Klavsen, GSEC - kl@vsen.dk - http://blog.klavsen.info - Tlf. 61281200 "Those who do not understand Unix are condemned to reinvent it, poorly." --Henry Spencer