From owner-freebsd-net@FreeBSD.ORG Mon Nov 14 05:47:44 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 DCE76106566C for ; Mon, 14 Nov 2011 05:47:44 +0000 (UTC) (envelope-from jhellenthal@gmail.com) Received: from mail-yx0-f182.google.com (mail-yx0-f182.google.com [209.85.213.182]) by mx1.freebsd.org (Postfix) with ESMTP id 933A38FC08 for ; Mon, 14 Nov 2011 05:47:44 +0000 (UTC) Received: by yenl11 with SMTP id l11so948344yen.13 for ; Sun, 13 Nov 2011 21:47:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to; bh=GcSOoT9GlcjGVZwMjOt9vJzfEDCg2J4C2SjG9YpyUJ8=; b=XC2MDYxgAQvsVT+9XBpw0gzKBw5POZqtoiNUz9PQ0hf3omExc+IM6Te8QCoDmEDxxB vtZNkkLp/62jv7HYlQX2hJMzd4cBsrXFuRlTd+OK+LtONwUE5LQbOiHmCcAsu+OcSWTF yCW83e3vhZjNM9jP8vreg6yaBfV6XHtZ04oFs= Received: by 10.236.168.2 with SMTP id j2mr3430277yhl.10.1321248128676; Sun, 13 Nov 2011 21:22:08 -0800 (PST) Received: from DataIX.net (adsl-99-35-12-148.dsl.klmzmi.sbcglobal.net. [99.35.12.148]) by mx.google.com with ESMTPS id v5sm58096984anf.3.2011.11.13.21.22.06 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 13 Nov 2011 21:22:07 -0800 (PST) Sender: Jason Hellenthal Received: from DataIX.net (localhost [127.0.0.1]) by DataIX.net (8.14.5/8.14.5) with ESMTP id pAE5M4ta048632 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 14 Nov 2011 00:22:04 -0500 (EST) (envelope-from jhell@DataIX.net) Received: (from jhell@localhost) by DataIX.net (8.14.5/8.14.5/Submit) id pAE5M4EZ048631; Mon, 14 Nov 2011 00:22:04 -0500 (EST) (envelope-from jhell@DataIX.net) Date: Mon, 14 Nov 2011 00:22:04 -0500 From: Jason Hellenthal To: Erich Weiler Message-ID: <20111114052204.GA46977@DataIX.net> References: <4EC033B7.5080609@soe.ucsc.edu> <4EC05511.1080102@soe.ucsc.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4EC05511.1080102@soe.ucsc.edu> Cc: freebsd-net@freebsd.org, Jason Wolfe 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 05:47:44 -0000 Have you considered this thread ? A Tale of a TCP bug... http://lists.freebsd.org/pipermail/freebsd-net/2011-April/028448.html This was fixed in 8-STABLE before 8.2 release but after 8.1-RELEASE. A pcap dump of the traffic at the routing end and the recieving end might just reveal this as the cause. On Sun, Nov 13, 2011 at 03:38:57PM -0800, Erich Weiler wrote: > Thanks Jason! > > > Is it possible to upgrade to 8.2-STABLE? Cubic has shown some really > > great improvement in my latent paths, a steady 10% overall increase in > > same cases. > > Alas no, my OS is a pre-baked install for pfSense, and if I tried to > upgrade it, it would likely break some of the functionality of how > pfSense is built. I've considered patching in some kernel mods to add > cubic and H-TCP to the kernel, but even that makes me nervous. > _______________________________________________ > 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"