From owner-freebsd-stable@FreeBSD.ORG Fri Jan 17 21:22:13 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 937D3B0C for ; Fri, 17 Jan 2014 21:22:13 +0000 (UTC) Received: from mail-pd0-x22c.google.com (mail-pd0-x22c.google.com [IPv6:2607:f8b0:400e:c02::22c]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 686531CEC for ; Fri, 17 Jan 2014 21:22:13 +0000 (UTC) Received: by mail-pd0-f172.google.com with SMTP id p10so222761pdj.3 for ; Fri, 17 Jan 2014 13:22:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=wI7TjQDHwon82TuhQDSIt2qenom829kx/gD6YZJee/0=; b=aTISgRm81R0QFYp8ww7h6mFrobbkGAzdvNvcC/jeDhRHHy63UT33lHPorXq4aADgfI MnfrEtYQe0m7BH1enelc4fktRY+GdxcpVQYzGu25OgpYSdoYomXJu5UX0HZQyMho0Kff oXjiSnOGbZFF8Ri0z6JYxAtQrgY5FHjZSlcYLmAJSpYcbg3ttjL7EODByUE4l0BHgapp wBpmdnAyz6MIsrlBY6bOX/O9teOMt7alTrsQiIhE/1xdkp4UNFFA8bxo5sNvAuIn6YZ0 kjVpmR7jZxL2DdVLmsKWTKiVMva9SCnDEG7jNCtuxotXYdGR58WUVQPlnJV9xX0SXIUV v4Dw== MIME-Version: 1.0 X-Received: by 10.67.8.102 with SMTP id dj6mr4663152pad.10.1389993733059; Fri, 17 Jan 2014 13:22:13 -0800 (PST) Sender: kob6558@gmail.com Received: by 10.67.30.1 with HTTP; Fri, 17 Jan 2014 13:22:13 -0800 (PST) In-Reply-To: <52D99C1D.3070904@sentex.net> References: <52D98A83.90805@sentex.net> <52D99C1D.3070904@sentex.net> Date: Fri, 17 Jan 2014 13:22:13 -0800 X-Google-Sender-Auth: pVrASGCcklGoHBgora7jzRupH2g Message-ID: Subject: Re: forwarding performance with releng7 vs 8 vs 9 vs 10 on an Alix box From: Kevin Oberman To: Mike Tancsa Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.17 Cc: FreeBSD-STABLE Mailing List X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Jan 2014 21:22:13 -0000 On Fri, Jan 17, 2014 at 1:09 PM, Mike Tancsa wrote: > On 1/17/2014 4:03 PM, Kevin Oberman wrote: > > > > FreeBSD 8 introduced default support for TSO. You might try turning it > > off (-tso) if it is enabled on the interfaces involved. > > Thanks, these are vr interfaces which do not support TSO. Also, its > pure forwarding that seems to be the issue and I dont think TSO enters > into that ? > > vr0: flags=8843 metric 0 mtu 1500 > options=8280b > ether 00:0d:b9:1c:60:48 > inet 192.168.xx.xx netmask 0xffffff00 broadcast 192.168.xx.xx > nd6 options=29 > media: Ethernet autoselect (100baseTX ) > status: active > > > -- > ------------------- > Mike Tancsa, tel +1 519 651 3400 > Sentex Communications, mike@sentex.net > Providing Internet services since 1994 www.sentex.net > Cambridge, Ontario Canada http://www.tancsa.com/ > Shouldn't. Better not! That would really break things if a forwarder were to re-segment the data. So "never mind". -- R. Kevin Oberman, Network Engineer, Retired E-mail: rkoberman@gmail.com