From owner-svn-src-all@freebsd.org Thu Dec 17 22:55:08 2015 Return-Path: Delivered-To: svn-src-all@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 3E2B1A4BDDD for ; Thu, 17 Dec 2015 22:55:08 +0000 (UTC) (envelope-from steven@multiplay.co.uk) Received: from mail-wm0-x22d.google.com (mail-wm0-x22d.google.com [IPv6:2a00:1450:400c:c09::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C9D311AA3 for ; Thu, 17 Dec 2015 22:55:07 +0000 (UTC) (envelope-from steven@multiplay.co.uk) Received: by mail-wm0-x22d.google.com with SMTP id l126so43462874wml.1 for ; Thu, 17 Dec 2015 14:55:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=multiplay-co-uk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:cc:from:message-id:date:user-agent :mime-version:in-reply-to:content-type:content-transfer-encoding; bh=bd5ovfB7A0ETpQOsrsBQtUUcpDL7ActZK0mZ/UYf9lg=; b=GmqToek2Jp8eAbSsX9tII4bKiDS3VDhuhBZvHpIETWuLwkPimreOseX9cRaNc77wGr Pew9ARBWsbjoVgIs6Mg8Z+U8EuNwAaLYlWmrWPiHL2wX4sAwe8sQCBJvHOndi6/mOQUI xc4RZ427mZSgCXm+8ezfEQWnenGril3LGnJi7eG8x7a26ZKj/ufzx+j5fKqC8Utnw6JL OVelIFVYyK+V0FPFpOHmDC5T0QBTXmZnUu0xNahLdzRYrucIIlOeio2k7IPTb7D84sH7 fG8CjanyIjIhiq39R+zLBpXLfNh3rJdbvqCkDBBQmOSxUlkWu6cndue9T93/tP9O4f51 Eang== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-type :content-transfer-encoding; bh=bd5ovfB7A0ETpQOsrsBQtUUcpDL7ActZK0mZ/UYf9lg=; b=XEUYPro8XxO8bcLxyaSGJcGaoeS6Shk4I1U3MTWPz04NHpA9MCSUh1nQzEXdS8cWoq ek+rF6++0ccTff3atspaqymLWGV0KvSZK2Z8QvYZ2St1pm2v1lkallDqor6QOUGVYl2E moYPwfIxPvqHA7SekHwKaFdxMbAASZ1VMFjsymNR3JHXZPxBMKXWkEt4qL4uXWsytxpl hSxLZYYjcIQihN61GW0qCLHc0AzMadMvBIf9Qr6qNeSDpod98t2vbeaJ95TSMJt3fwrV 81eYfFeganZJ1Ifm8nytbTTYTB58XEurOIJ38oSGhLgZ+rabeupW8yn89dswIuM+6hvD LFrQ== X-Gm-Message-State: ALoCoQkxZp+ZScQzkqoe6GvhoeMU5i+MxpoCQG3ImMFEmrAIlDd3PET5yExWXKH/2PEq+JHymSbNEoTu0x30uNzZ01b7pF+r/A== X-Received: by 10.28.134.199 with SMTP id i190mr877219wmd.33.1450392906299; Thu, 17 Dec 2015 14:55:06 -0800 (PST) Received: from [10.10.1.58] (liv3d.labs.multiplay.co.uk. [82.69.141.171]) by smtp.gmail.com with ESMTPSA id m16sm4212900wmb.13.2015.12.17.14.55.04 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 17 Dec 2015 14:55:05 -0800 (PST) Subject: Re: svn commit: r292379 - in head/sys: netinet netinet6 To: Gleb Smirnoff References: <201512162226.tBGMQSvs098886@repo.freebsd.org> <20151217003824.GG42340@FreeBSD.org> <5672C6AE.7070407@freebsd.org> <20151217192051.GM42340@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org From: Steven Hartland Message-ID: <56733D49.8040103@multiplay.co.uk> Date: Thu, 17 Dec 2015 22:55:05 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <20151217192051.GM42340@FreeBSD.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Dec 2015 22:55:08 -0000 On 17/12/2015 19:20, Gleb Smirnoff wrote: > Steven, > > another feasible solution for the design described in the 156226 > would be to run STP on the switches, and if_bridge(4) instead of > if_lagg(4) on FreeBSD, also with STP enabled. Would work perfectly. > > Of course, if switches are dumb and cheap, and can't do STP, > then a tiny bpf-writer is the right solution. > > P.S. When I was running network in my university dormitory, we > used a lot of cheap solutions, and a lot of dirty workarounds, > but none of the latter made its way to FreeBSD kernel. You can > also ask Eugene Grosbein, he also has huge experience of living > on not so pleasant workarounds, but not pushing them agrressively > into the kernel. > Last time I heard STP is a bad word in networking, so I'm sure they network team would have me crucified for even suggesting it and start shouting MLAG for the rest of the day ;-) Regards Steve