From owner-freebsd-net@FreeBSD.ORG Mon Nov 14 00:33:12 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 62ADE106566B for ; Mon, 14 Nov 2011 00:33:12 +0000 (UTC) (envelope-from weiler@soe.ucsc.edu) Received: from mail-01.cse.ucsc.edu (mail-01.cse.ucsc.edu [128.114.48.32]) by mx1.freebsd.org (Postfix) with ESMTP id 4E36F8FC19 for ; Mon, 14 Nov 2011 00:33:12 +0000 (UTC) Received: from erich-weilers-macbook-pro.local (50-0-69-3.dsl.static.fusionbroadband.com [50.0.69.3]) by mail-01.cse.ucsc.edu (Postfix) with ESMTPSA id 1E09D1009CD1; Sun, 13 Nov 2011 16:33:12 -0800 (PST) Message-ID: <4EC061C7.1040406@soe.ucsc.edu> Date: Sun, 13 Nov 2011 16:33:11 -0800 From: Erich Weiler User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: Jason Wolfe References: <4EC033B7.5080609@soe.ucsc.edu> <4EC0395C.3030302@swin.edu.au> <4EC055CB.40100@soe.ucsc.edu> <4EC0585F.5000104@soe.ucsc.edu> <4EC05F58.1050103@soe.ucsc.edu> In-Reply-To: <4EC05F58.1050103@soe.ucsc.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org, grenville armitage Subject: Re: Arg. TCP slow start killing me. 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: Mon, 14 Nov 2011 00:33:12 -0000 Actually, another question might be: How can I prove that my firewall really is dropping packets in transit, as it forwards them on? Is there some sysctl oid that would show dropped packets, so some netstat counter I can look at? On 11/13/11 4:22 PM, Erich Weiler wrote: >> Yeah, skimming fail, I didn't realize the machine was not the >> termination point of your connections. I do have patches back ported >> that would likely get the modular congestion control working on 8.1, >> but neither my suggestions nor the implementation of Cubic will help >> much as mentioned. > > Given that my firewall is simply forwarding packets in and out, and is > not an endpoint, does anyone think tuning up buffers would help here? If > so, which buffers/sysctl parameters would be worth trying? > > Thanks for the help everyone! > _______________________________________________ > 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"