From owner-freebsd-net@freebsd.org Thu Sep 22 15:33:10 2016 Return-Path: Delivered-To: freebsd-net@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 6EA29BE5A52 for ; Thu, 22 Sep 2016 15:33:10 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: from mail-wm0-x233.google.com (mail-wm0-x233.google.com [IPv6:2a00:1450:400c:c09::233]) (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 15223A88 for ; Thu, 22 Sep 2016 15:33:09 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: by mail-wm0-x233.google.com with SMTP id l132so154623526wmf.1 for ; Thu, 22 Sep 2016 08:33:09 -0700 (PDT) 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; bh=cemybXhtojCHrNW2IiS7tnCwIIGfczqh08Bpzrx7TU8=; b=jWBbk1Op5/l6MrvGJ9x/+Zf3z57OWes07GGNQqtVnQhomW7ECGZ+9FLz1b5Q7B4MSP mKYcxMejkPzi6j9d5M7DK1jkboQ1KnSMn/ezHdNPHl3+qkhNTTaXk9l+SMGEKlLs0m8Z MkVn4xTEBW8jS9/LILIiuOmSqqdNzqXAON0TkTJuwfPD1hYIhowPSYl1gdhk8E6kdQnK RWlMXew/1ScmVhdcRqqmLxxVJ5Z8GBKEssEAeJNZjKZB84y8r0RtJGyUNz0dUHWL9G8b 7SQogllaK9VvOAMy1Lt9HMXlXr0UoOOTq6kHp13g/11gZOUBGQtHJKEVBjtQOqclwMUi PlRg== 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; bh=cemybXhtojCHrNW2IiS7tnCwIIGfczqh08Bpzrx7TU8=; b=bLQw5So+8sMSX34wSoN+Ccd/F41frYzXYeo0kzks1zvV9E93LQqVRvvjVXuMQrOroJ xSyUFlpnQ4SGjvXfRMyL1SnyGeTNKtlXISn0Aq6OWwh9dZvFSYYV5NzSu2Zc97uDNJyL 96m10XxPsvd4agqq3nlKHbL7Q3rZtomggVQZLE9PaY7bC33leEKG33V9fLgDXbOiIsXr ePQFyI4ARf0XlC1WxoBtAKXWa79SGvUbdMx+VMJq4vHkl7KvhT15EeDNXzevL2U/O/GD Ty0065cj51eXjNB68QtMJ3kqiVou3tn3qvGcmwz8PnejEBCva686ZubEWX2vUFPZ1blk nb/Q== X-Gm-Message-State: AE9vXwMhVdw4YlvCpkxsDFzEAOJN9KiNPTGPGvwW56Nq1GiTZhacjvWwym5IKdU2jt+CMAWB X-Received: by 10.194.8.226 with SMTP id u2mr2816756wja.153.1474558388283; Thu, 22 Sep 2016 08:33:08 -0700 (PDT) Received: from [10.10.1.58] (liv3d.labs.multiplay.co.uk. [82.69.141.171]) by smtp.gmail.com with ESMTPSA id w71sm3045055wmw.17.2016.09.22.08.33.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Sep 2016 08:33:06 -0700 (PDT) Subject: Re: lagg Interfaces - don't do Gratuitous ARP? To: Ryan Stone References: <0D84203FAAFD0A8E7BBB24A3@10.12.30.106> <6E574F1B61786E6032824A88@10.12.30.106> <2c62f5f0-3fb4-f513-2a8f-02de3a1d552f@FreeBSD.org> <20160921235703.GG1018@cell.glebi.us> <48632d42-ea2b-b147-737d-d7decfdbcff4@multiplay.co.uk> Cc: Gleb Smirnoff , Kubilay Kocak , freebsd-net , Karl Pielorz From: Steven Hartland Message-ID: Date: Thu, 22 Sep 2016 16:33:05 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 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, 22 Sep 2016 15:33:10 -0000 On 22/09/2016 15:58, Ryan Stone wrote: > On Thu, Sep 22, 2016 at 4:04 AM, Steven Hartland > > wrote: > > The disappointing thing about this is we had a solution, all be it > one not everyone liked, nearly a year ago now and yet here we are > still stuck with a broken lagg implementation in the tree. > > > I would point out this 4-year-old thread in which a former co-worker > pointed the same issue with GARPs not being issued and proposed a fix > that was rejected (rightly) for being too much of a layer violation. > It's disappointing to me to see that somebody has fixed the issue in > exactly the way proposed in this thread, only to have the method that > was correct 4 years ago rejected today. > > https://lists.freebsd.org/pipermail/freebsd-net/2012-February/031328.html > That was indeed one of the thread I got inspiration from for the approach.