From owner-freebsd-performance@FreeBSD.ORG Tue May 22 02:51:54 2007 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 21F1416A468 for ; Tue, 22 May 2007 02:51:54 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: from multiplay.co.uk (core6.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id B4D5E13C45A for ; Tue, 22 May 2007 02:51:53 +0000 (UTC) (envelope-from killing@multiplay.co.uk) X-Spam-Checker-Version: SpamAssassin 3.1.5 (2006-08-29) on core6.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-14.7 required=6.0 tests=BAYES_00, USER_IN_WHITELIST, USER_IN_WHITELIST_TO autolearn=ham version=3.1.5 Received: from r2d2 ([212.135.219.182]) by multiplay.co.uk (multiplay.co.uk [85.236.96.23]) (MDaemon PRO v9.5.4) with ESMTP id md50003841935.msg for ; Tue, 22 May 2007 03:47:56 +0100 Message-ID: <005901c79c1b$8fed4490$b6db87d4@multiplay.co.uk> From: "Steven Hartland" To: "security" , References: <4652383E.9000302@jim-liesl.org> Date: Tue, 22 May 2007 03:47:39 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-MDRemoteIP: 212.135.219.182 X-Return-Path: killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-performance@freebsd.org X-Spam-Processed: multiplay.co.uk, Tue, 22 May 2007 03:47:56 +0100 X-MDAV-Processed: multiplay.co.uk, Tue, 22 May 2007 03:47:56 +0100 Cc: Subject: Re: asymetric speeds over gigE link] X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 May 2007 02:51:54 -0000 You might want to try setting: net.inet.tcp.inflight.enable=0 Just changing this on our FreeBSD 6.2 boxes enabled them to achieve full line rate with ftp / proftpd transfers. Steve ----- Original Message ----- From: "security" > Switch is the Netgear GS105 (5 port, supposedly wire speed, cables are > Belkin 5e), both systems are on this switch. > > FreeBSD box: > FreeBSD 6.1-RELEASE-p10 > 1.9Ghz Athlon / 1 gig of main mem > Abit/nforce2 MB+chipset (onboard nic disabled in bios) > Intel Pro/1000GT NIC > sysctl.conf: > kern.ipc.maxsockbuf=8192000 > net.inet.tcp.sendspace=262144 > net.inet.tcp.recvspace=262144 > sysctl reports: > kern.ipc.nmbjumbo16: 0 > kern.ipc.nmbjumbo9: 0 > kern.ipc.nmbjumbop: 0 > kern.ipc.nmbclusters: 25600 > net.inet.tcp.rfc1323: 1 > > em0: flags=8843 mtu 1500 > options=b > inet6 fe80::20e:cff:feda:1a3c%em0 prefixlen 64 scopeid 0x1 > inet 192.168.1.15 netmask 0xffffff00 broadcast 192.168.1.255 > ether 00:0e:0c:da:1a:3c > media: Ethernet autoselect (1000baseTX ) > status: active ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.