From owner-freebsd-current@freebsd.org Sat Dec 17 09:51:44 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1DA12C81E9A for ; Sat, 17 Dec 2016 09:51:44 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98]) (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 D4DCC836; Sat, 17 Dec 2016 09:51:43 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from slw by zxy.spb.ru with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1cIBeX-000CGA-QF; Sat, 17 Dec 2016 12:51:41 +0300 Date: Sat, 17 Dec 2016 12:51:41 +0300 From: Slawa Olhovchenkov To: Olivier =?utf-8?Q?Cochard-Labb=C3=A9?= Cc: Julian Elischer , freebsd-current Subject: Re: FreeBSD system profiling and tuning for 10, 11 and 12 Message-ID: <20161217095141.GO98176@zxy.spb.ru> References: <20161217091954.GE90401@zxy.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: slw@zxy.spb.ru X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 17 Dec 2016 09:51:44 -0000 On Sat, Dec 17, 2016 at 10:43:52AM +0100, Olivier Cochard-Labbé wrote: > On Sat, Dec 17, 2016 at 10:19 AM, Slawa Olhovchenkov wrote: > > > > > === > > On FreeBSD older than 11.0, use more compact ip_fastfoward routine. It > > processes most packets falling back to 'normal' forward routine for > > fragments, packets with options, etc. Can save you up to 20% speed > > (but will break IPSec). > > > > net.inet.ip.fastforwarding=1 > > === > > > > I am not found in 11/12 this sysctl/tunable. > > > > ​Yes, this sysctl is available "on FreeBSD ​older than 11.0". It's was > improved, renamed tryforward, and it's the default method since 11.0. Sorry, missreading.