Re: TCP fast retransmit issues

2017-07-27 Thread Klavs Klavsen
found the culprit who destroyed SACK :) Willy Tarreau wrote on 26-07-2017 16:38: On Wed, Jul 26, 2017 at 04:25:29PM +0200, Klavs Klavsen wrote: Thank you very much guys for your insight.. its highly appreciated. Next up for me, is waiting till the network guys come back from summer vacation, an

Re: TCP fast retransmit issues

2017-07-26 Thread Klavs Klavsen
at 04:08:19PM +0200, Klavs Klavsen wrote: 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) So bingo, Eric guessed

Re: TCP fast retransmit issues

2017-07-26 Thread Klavs Klavsen
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

Re: TCP fast retransmit issues

2017-07-26 Thread Klavs Klavsen
nce it works on Mac clients). Eric Dumazet skrev den 2017-07-26 13:49: On Wed, 2017-07-26 at 13:07 +0200, Klavs Klavsen wrote: Hi guys, Me and my colleagues have an annoying issue with our Linux desktops and the company's Junos VPN. We connect with openconnect (some use the official Pul