From owner-freebsd-net  Fri Nov  1  8:19: 2 2002
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 143D037B401
	for <freebsd-net@FreeBSD.ORG>; Fri,  1 Nov 2002 08:19:02 -0800 (PST)
Received: from mail.sandvine.com (sandvine.com [199.243.201.138])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 8308143E4A
	for <freebsd-net@FreeBSD.ORG>; Fri,  1 Nov 2002 08:19:01 -0800 (PST)
	(envelope-from don@sandvine.com)
Received: by mail.sandvine.com with Internet Mail Service (5.5.2653.19)
	id <42S9VSKP>; Fri, 1 Nov 2002 11:18:51 -0500
Message-ID: <FE045D4D9F7AED4CBFF1B3B813C8533701022E1D@mail.sandvine.com>
From: Don Bowman <don@sandvine.com>
To: "'Fran.Lawas-Grodek@grc.nasa.gov'" <Fran.Lawas-Grodek@grc.nasa.gov>,
	Luigi Rizzo <rizzo@icir.org>
Cc: Cindy.Tran@grc.nasa.gov, freebsd-net@FreeBSD.ORG,
	Mark.Allman@grc.nasa.gov
Subject: RE: Problem in High Speed and Long Delay with FreeBSD
Date: Fri, 1 Nov 2002 11:18:50 -0500 
MIME-Version: 1.0
X-Mailer: Internet Mail Service (5.5.2653.19)
Content-Type: text/plain;
	charset="iso-8859-1"
Sender: owner-freebsd-net@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-net.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-net>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-net>
X-Loop: FreeBSD.org

> From: Fran Lawas-Grodek [mailto:Fran.Lawas-Grodek@grc.nasa.gov]

Perhaps 
sysctl net.inet.tcp.inflight_enable=1
will help?

you may wish to also change tcp.inflight_max.
See tcp(4) as of 4.7.

--don (don@sandvine.com www.sandvine.com)

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-net" in the body of the message