From owner-freebsd-ipfw@FreeBSD.ORG  Tue Dec 19 21:41:59 2006
Return-Path: <owner-freebsd-ipfw@FreeBSD.ORG>
X-Original-To: freebsd-ipfw@freebsd.org
Delivered-To: freebsd-ipfw@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 151A216A403
	for <freebsd-ipfw@freebsd.org>; Tue, 19 Dec 2006 21:41:59 +0000 (UTC)
	(envelope-from bounces@nabble.com)
Received: from talk.nabble.com (www.nabble.com [72.21.53.35])
	by mx1.FreeBSD.org (Postfix) with ESMTP id CF4EF43C9F
	for <freebsd-ipfw@freebsd.org>; Tue, 19 Dec 2006 21:41:58 +0000 (GMT)
	(envelope-from bounces@nabble.com)
Received: from [72.21.53.38] (helo=jubjub.nabble.com)
	by talk.nabble.com with esmtp (Exim 4.50) id 1Gwmii-0007WD-3e
	for freebsd-ipfw@freebsd.org; Tue, 19 Dec 2006 13:41:56 -0800
Message-ID: <7955491.post@talk.nabble.com>
Date: Tue, 19 Dec 2006 13:41:56 -0800 (PST)
From: Looza <elias_nogueira@hotmail.com>
To: freebsd-ipfw@freebsd.org
In-Reply-To: <cb5206420612172037j178c3389l8f6429928ef30c2b@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Nabble-From: elias_nogueira@hotmail.com
References: <7922408.post@talk.nabble.com>
	<cb5206420612172037j178c3389l8f6429928ef30c2b@mail.gmail.com>
Subject: Re: problem simulating a LFN
X-BeenThere: freebsd-ipfw@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: IPFW Technical Discussions <freebsd-ipfw.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw>,
	<mailto:freebsd-ipfw-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-ipfw>
List-Post: <mailto:freebsd-ipfw@freebsd.org>
List-Help: <mailto:freebsd-ipfw-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw>,
	<mailto:freebsd-ipfw-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 19 Dec 2006 21:41:59 -0000


About the offloading, it might be just that but I not sure and I don't have
time to explore this situation. I'm using 2 SMC9452TX and 1 SMC9452TX-1.

The delay issue was because of the TCP buffers, I had configured them but
the changes weren't permanent.


infofarmer wrote:
> 
> On 12/18/06, Looza <elias_nogueira@hotmail.com> wrote:
>> My first question is if anyone knows off some way to
>> get the processing out of the CPU so that I can achieve
>> gigabit speeds without ?
> 
> Like you already noticed, better NICs help. BTW, which
> ones do you have? See drivers' manpages for info about
> hardware offloading. Also, have a look at polling(4), it
> might (or might not) help.
> 
>> My second question is  if there is a way of setting the
>> ipfw delay option so that it does not alter the throughput?
> 
> You'll have to read ipfw(8) for that. In short, you might
> have to increase the queue size so that it can hold 100ms
> worth of traffic.
> _______________________________________________
> freebsd-ipfw@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw
> To unsubscribe, send any mail to "freebsd-ipfw-unsubscribe@freebsd.org"
> 
> 

-- 
View this message in context: http://www.nabble.com/problem-simulating-a-LFN-tf2837638.html#a7955491
Sent from the freebsd-ipfw mailing list archive at Nabble.com.