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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Christoph Paasch <christoph.paasch@uclouvain.be>
Cc: Phil Oester <kernel@linuxace.com>,
	Corey Hickey <bugfood-ml@fatooh.org>,
	Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>,
	Linux Netdev List <netdev@vger.kernel.org>,
	netfilter-devel@vger.kernel.org
Subject: Re: NAT stops forwarding ACKs after PMTU discovery
Date: Mon, 19 Aug 2013 11:10:00 -0700	[thread overview]
Message-ID: <1376935800.4226.71.camel@edumazet-glaptop> (raw)
In-Reply-To: <20130819171519.GA4008@cpaasch-mac>

On Mon, 2013-08-19 at 19:15 +0200, Christoph Paasch wrote:

> 
> Will send it soon. Have to rebase on net-next,... :)
> (it's several months ago that I did this)

No hurry.

This is a very unlikely problem anyway.

Trace taken on a random Google server :

TcpExtTCPSACKDiscard 44666
TcpExtTCPSACKReneging 173593
TcpExtTCPSACKReorder 1331306
TcpExtTCPSackFailures 791292
TcpExtTCPSackMerged 261702691
TcpExtTCPSackRecovery 57267494
TcpExtTCPSackRecoveryFail 2008511
TcpExtTCPSackShiftFallback 841017416
TcpExtTCPSackShifted 619337144
...
TcpOutSegs 42215528084
TcpRetransSegs 441868477

  parent reply	other threads:[~2013-08-19 18:10 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-18  5:55 NAT stops forwarding ACKs after PMTU discovery Corey Hickey
2013-08-18 15:24 ` Eric Dumazet
2013-08-18 16:59   ` Corey Hickey
2013-08-18 21:23   ` Jozsef Kadlecsik
2013-08-19  0:00     ` Eric Dumazet
2013-08-19  0:03       ` Eric Dumazet
2013-08-19  8:43         ` Corey Hickey
2013-08-19 12:33           ` Christoph Paasch
2013-08-19 13:24             ` Eric Dumazet
2013-08-19 13:49               ` Christoph Paasch
2013-08-19 13:58                 ` Eric Dumazet
2013-08-19 14:35                   ` Phil Oester
2013-08-19 15:32                     ` Eric Dumazet
2013-08-19 15:33                     ` Christoph Paasch
2013-08-19 16:00                       ` Eric Dumazet
2013-08-19 17:15                         ` Christoph Paasch
2013-08-19 18:00                           ` Phil Oester
2013-08-19 18:10                           ` Eric Dumazet [this message]
2013-08-19 19:29                             ` [RFC 0/2] Account for duplicate ACKs with invalid SACK-blocks Christoph Paasch
2013-08-19 19:29                               ` [RFC 1/2] Use acked_out for reno-style ack acounting instead of sacked_out Christoph Paasch
2013-08-19 19:29                               ` [RFC 2/2] Account acked_out in sack, if the sack is invalid Christoph Paasch
2013-08-19 21:22                               ` [RFC 0/2] Account for duplicate ACKs with invalid SACK-blocks Corey Hickey
2013-08-20  7:36                                 ` Christoph Paasch
2013-08-22  3:32                               ` David Miller
2013-08-22  4:15                                 ` Corey Hickey
2013-08-19 14:43                   ` NAT stops forwarding ACKs after PMTU discovery Christoph Paasch
2013-08-19 20:13                   ` Jozsef Kadlecsik
2013-08-19 20:43                     ` Christoph Paasch
2013-08-19 21:08                     ` Eric Dumazet
2013-08-19 22:07                       ` Jozsef Kadlecsik
2013-08-20  4:18                         ` Corey Hickey
2013-08-19 18:22             ` Corey Hickey

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