From owner-freebsd-hackers  Tue Mar 24 13:00:46 1998
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To: Arman Hazairin <arman@ai3.net>
cc: bmah@CA.Sandia.GOV, Snob Art Genre <benedict@echonyc.com>,
        freebsd-hackers@FreeBSD.ORG
Subject: Re: TCP connection hang 
In-reply-to: Your message of "Wed, 25 Mar 1998 01:11:05 GMT."
             <351859A9.B0D0F9A1@ai3.net> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Tue, 24 Mar 1998 12:54:34 -0800
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>The SCO box never sent any FIN packet because it never finish the
>transfer.
>That two boxes just kept silent, SCO waiting for ACK it never received
>(the last 5 packets in tcpdump output below), the FreeBSD box just kept
>silent after sending ack for seq. 4225. After all the sequence below,
>the connection is hang forever until timeout occur.

   Does either side attempt retransmission? At the very least, the SCO machine
should continue to retransmit the segments until it gets an ACK. Also, on
which side is this tcpdump taken - closest to the SCO or closest to the
FreeBSD?

-DG

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

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