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To: Joao Carlos Mendes Luis <jonny@coppe.ufrj.br>
cc: hackers@freebsd.org
Subject: Re: TCP problem 
In-reply-to: Your message of "Tue, 07 Oct 97 18:22:56 PDT."
             <199710080122.XAA00461@gaia.coppe.ufrj.br> 
Date: Thu, 9 Oct 1997 00:30:16 PDT
From: Bill Fenner <fenner@parc.xerox.com>
Message-Id: <97Oct9.003024pdt.177486@crevenia.parc.xerox.com>
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Joao Carlos Mendes Luis <jonny@coppe.ufrj.br> wrote:
>  I have an intermitent TCP problem between a FreeBSD 2.2-STABLE and a
>2.0.27 Linux.  It's happening right now, let me show an example:
>22:49:35.576825 146.164.5.200.2038 > 146.164.53.91.19: . ack 1 win 164 (DF) [t
>  os 0x10] (ttl 64, id 38632)

This packet ("win 164") is the exact symptom of the problem that was fixed
in rev 1.27 / 1.21.2.3 of tcp_output.c .  Funny that everyone's coming
across this one all at once.

  Bill