From owner-freebsd-net@FreeBSD.ORG Fri Feb 9 10:27:50 2007 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id CDE3116A400 for ; Fri, 9 Feb 2007 10:27:50 +0000 (UTC) (envelope-from jhary@unsane.co.uk) Received: from unsane.co.uk (www.unsane.co.uk [85.233.185.162]) by mx1.freebsd.org (Postfix) with ESMTP id 6353F13C461 for ; Fri, 9 Feb 2007 10:27:50 +0000 (UTC) (envelope-from jhary@unsane.co.uk) Received: from [192.168.10.217] (150.117-84-212.staticip.namesco.net [212.84.117.150]) (authenticated bits=0) by unsane.co.uk (8.13.8/8.13.8) with ESMTP id l199mvmF096593 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 9 Feb 2007 09:48:59 GMT (envelope-from jhary@unsane.co.uk) Message-ID: <45CC4359.2070406@unsane.co.uk> Date: Fri, 09 Feb 2007 09:48:09 +0000 From: Vince User-Agent: Thunderbird 1.5.0.9 (X11/20070129) MIME-Version: 1.0 To: Randy Bush References: <17867.36807.577658.322763@roam.psg.com> In-Reply-To: <17867.36807.577658.322763@roam.psg.com> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org Subject: Re: tuning tcp X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Feb 2007 10:27:50 -0000 Randy Bush wrote: > any suggestions for how to tune freebsd tcp for very large bandwidth > delay product. doing daily rsync from oregon to australia over I2 > and aarnet. getting mediocre transfers. hints appreciated. > By the fact you CCed Andre, I assume you have tried the automatic TCP send and receive socket buffer sizing patches mentioned in the last status report? [http://www.freebsd.org/news/status/report-oct-2006-dec-2006.html#Automatic-TCP-Send-and-Receive-Socket-Buffer-Sizing] If not they might be worth a look. Vince > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"