From owner-freebsd-hackers  Tue Oct  7 21:04:09 1997
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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 1997 23:22:56 -0200."
             <199710080122.XAA00461@gaia.coppe.ufrj.br> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Tue, 07 Oct 1997 21:05:48 -0700
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>  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:
...
>22:49:36.804033 146.164.5.200.2038 > 146.164.53.91.19: . ack 165 win 0 (DF) [tos 0x10] (ttl 64, id 38646)

   This indicates that the window has completely closed and isn't reopening.
What type of ethernet card is in the FreeBSD machine? This might indicate that
the machine has run out of network buffers...does the console indicate
anything (like "Out of mbuf clusters")?

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project