Re: NAT stops forwarding ACKs after PMTU discovery

Eric Dumazet
2013-08-19T18:10:03Z

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