From owner-freebsd-net@freebsd.org Wed May 30 10:06:37 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B2D81F7D742 for ; Wed, 30 May 2018 10:06:37 +0000 (UTC) (envelope-from m.muenz@spam-fetish.org) Received: from mailout-02.maxonline.de (mailout-02.maxonline.de [81.24.66.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4A05B7A172 for ; Wed, 30 May 2018 10:06:36 +0000 (UTC) (envelope-from m.muenz@spam-fetish.org) Received: from web03-01.max-it.de (web03-01.max-it.de [81.24.64.215]) by mailout-02.maxonline.de (Postfix) with ESMTPS id 727F792 for ; Wed, 30 May 2018 12:06:35 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by web03-01.max-it.de (Postfix) with ESMTP id 6264328AE6E for ; Wed, 30 May 2018 12:06:35 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at web03-01.max-it.de Received: from web03-01.max-it.de ([127.0.0.1]) by localhost (web03-01.max-it.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 3uGj4xdnpS_p for ; Wed, 30 May 2018 12:06:35 +0200 (CEST) Received: from [81.24.66.132] (unknown [81.24.66.132]) (Authenticated sender: m.muenz@spam-fetish.org) by web03-01.max-it.de (Postfix) with ESMTPA id 38F9328A5F5 for ; Wed, 30 May 2018 12:06:35 +0200 (CEST) Subject: Re: GRE/gif/netgraph tunnel speed on 10Gbit channel To: freebsd-net@freebsd.org References: <201805291402.w4TE2RMe065517@pdx.rh.CN85.dnsmgr.net> <20180530084307.GA35405@hell.ukr.net> From: "Muenz, Michael" Message-ID: Date: Wed, 30 May 2018 12:06:33 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <20180530084307.GA35405@hell.ukr.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 May 2018 10:06:37 -0000 Am 30.05.2018 um 10:43 schrieb Vitalij Satanivskij: > Most likely threading only part of problem with iperf3. > > As I say before - I'm check iperf3 in paralel by running multiple instanse on diferent's ports > Speed is always same. > > But maybe 2-3 instance to few for noticible result's. > > For me most confusion was speed aroud 10Gbit on pure link showed by both iperf and iperf3 ... > > Any way. With enabled pf (set skip on gre0 in config) in kernel I get around 3gbit's and around 4.4gbit's without. > > Also I'm tested diferent mtu on interface (eg 9000 and so on) no speed improvement at all > > Now question is - is it highgest speed of tunnel that we can expect from GRE or there is some tuning capabilitis for speed up it? > > > In my Lab FW1 is only Xeon D with 95% CPU while testing and FW2 Xeon E is at 20% CPU. I cannot replace the Xeon D for the next 3 weeks so there could be more perhaps. Michael