From owner-freebsd-net@FreeBSD.ORG Thu May 19 22:23:12 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 32050106564A for ; Thu, 19 May 2011 22:23:12 +0000 (UTC) (envelope-from prvs=1120cc9e47=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id AF5C88FC12 for ; Thu, 19 May 2011 22:23:11 +0000 (UTC) X-MDAV-Processed: mail1.multiplay.co.uk, Thu, 19 May 2011 23:11:27 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Thu, 19 May 2011 23:11:20 +0100 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail1.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-5.0 required=6.0 tests=USER_IN_WHITELIST shortcircuit=ham autolearn=disabled version=3.2.5 Received: from r2d2 ([188.220.16.49]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50013294206.msg for ; Thu, 19 May 2011 23:11:20 +0100 X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=1120cc9e47=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-net@freebsd.org Message-ID: From: "Steven Hartland" To: "William Salt" , References: Date: Thu, 19 May 2011 23:11:15 +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 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6090 Cc: Subject: Re: Intel 10GbE Tuning under freebsd 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: Thu, 19 May 2011 22:23:12 -0000 I would recommend moving to 8.2 with the additional fixes in stable to which prevents adding IP's from disconnecting the network. In the machine what PCIe speed does it state its using? What CPU's do you have as to push closer to 10Gbps your going to need a quick machine. Regards Steve ----- Original Message ----- From: "William Salt" To: Sent: Thursday, May 19, 2011 2:52 PM Subject: Intel 10GbE Tuning under freebsd > Hi All, > I have just got a couple of 10GbE intel X520-DA2 cards to test. Im > running freebsd 8.1 on a super micro intel xeon server, and a hp core 2 duo > workstation, both machines have 4gb of ram. > Both are attached via sfp+ cables to a brocade turbo iron switch, which > simply has jumbo frames enabled. > > Initial testing was pretty basic, i simply enabled jumbo frames, and > increased max send/recv buffer to 16MB, which should be more than enough. > I then ran iperf and managed to get approximately 5gbps, i was expecting > around 8.5gbps. > However, i realise that the ix driver probably needs to be tuned, as well as > the OS. > > After a bit of googling, i cant find a tuning guide under freebsd for 10GbE, > or many recommendations, and wondered if anyone has already successfully > managed to tune freebsd with intel 10gbe nics, to gain a higher throughput? > If so, has anyone got any tips, or sample configs? > > Thanks in advance > Will > _______________________________________________ > 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" > ================================================ 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.