From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: Missing TCP SYN on loopback, retransmits after 1s
Date: Wed, 23 Nov 2011 07:09:00 +0100
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Cc: Jesse Young <jlyo@jlyo.org>, netdev@vger.kernel.org
To: John Heffner <johnwheffner@gmail.com>
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Le mercredi 23 novembre 2011 =C3=A0 06:58 +0100, Eric Dumazet a =C3=A9c=
rit :

> First connection went well.
>=20
> Now we try to reuse tuple  (ports 49374, 8009 on loopback) while a so=
cket is in TIMEWAIT, and first
> SYN packet (time 06:48:20.337335) is dropped (considered as a packet =
part of previous session)
>=20
> Now why the first SYN packet is dropped and not the second one, I don=
t know yet.


in netstat -s output, the suspect increasing counter is :

"45 congestion windows recovered without slow start after partial ack"