From owner-freebsd-net@FreeBSD.ORG Tue May 22 02:40:03 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 EDA8516A46B for ; Tue, 22 May 2007 02:40:03 +0000 (UTC) (envelope-from bms@FreeBSD.org) Received: from out1.smtp.messagingengine.com (out1.smtp.messagingengine.com [66.111.4.25]) by mx1.freebsd.org (Postfix) with ESMTP id C1B4613C44C for ; Tue, 22 May 2007 02:40:03 +0000 (UTC) (envelope-from bms@FreeBSD.org) Received: from compute2.internal (compute2.internal [10.202.2.42]) by out1.messagingengine.com (Postfix) with ESMTP id 3A8102208C8 for ; Mon, 21 May 2007 22:40:03 -0400 (EDT) Received: from heartbeat2.messagingengine.com ([10.202.2.161]) by compute2.internal (MEProxy); Mon, 21 May 2007 22:40:03 -0400 X-Sasl-enc: quN4Ja8Dt5xfKfLK8h7t0qyn4N+VhYB+MdMYNMWE6vfG 1179801602 Received: from [192.168.123.18] (82-35-112-254.cable.ubr07.dals.blueyonder.co.uk [82.35.112.254]) by mail.messagingengine.com (Postfix) with ESMTP id D62C9105B6 for ; Mon, 21 May 2007 22:40:02 -0400 (EDT) Message-ID: <46525801.7050407@FreeBSD.org> Date: Tue, 22 May 2007 03:40:01 +0100 From: "Bruce M. Simpson" User-Agent: Thunderbird 1.5.0.10 (X11/20070407) MIME-Version: 1.0 To: freebsd-net@freebsd.org References: <4651DB6E.5090102@jim-liesl.org> <4651E74A.2080202@tomjudge.com> <20070522020512.GA22189@obelix.dsto.defence.gov.au> In-Reply-To: <20070522020512.GA22189@obelix.dsto.defence.gov.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: asymetric speeds over gigE link 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: Tue, 22 May 2007 02:40:04 -0000 Wilkinson, Alex wrote: > 0n Mon, May 21, 2007 at 07:39:06PM +0100, Tom Judge wrote: > > > I have also seen 700Mb/s sustained FreeBSD - FreeBSD using the openssh HPN > > patch set and no extra tuning of the network stack. Which makes me > > think that maybe the linux stack needs some tuning? > > What is the "HPN patch" ? > http://www.psc.edu/networking/projects/hpn-ssh/ Pittsburgh Supercomputing Center high performance networking patches, which have been around for a few years and are maintained, available as part of ports/security/openssh-portable. Sadly, my patches for the ROT13 cipher have not made it into OpenSSH/OpenSSL as of yet. + Regards, BMS + Very capable of line rate encryption. And based on a mature USENET technology...