From owner-freebsd-net@freebsd.org Sat Sep 23 11:10:12 2017 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 44768E0269C for ; Sat, 23 Sep 2017 11:10:12 +0000 (UTC) (envelope-from steven@multiplay.co.uk) Received: from mail-lf0-x232.google.com (mail-lf0-x232.google.com [IPv6:2a00:1450:4010:c07::232]) (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 C5A986FBAA for ; Sat, 23 Sep 2017 11:10:11 +0000 (UTC) (envelope-from steven@multiplay.co.uk) Received: by mail-lf0-x232.google.com with SMTP id l196so3112119lfl.1 for ; Sat, 23 Sep 2017 04:10:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=multiplay-co-uk.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=ji4oVMvuVf4ig5Pxovscg6TJeL3NAc+hMo5bAUwhb0A=; b=gaW74fAs47nAOqMd2/NI31kPWCM/UifxYttAyGmoTJToWfJ+U43llHSMs3raRfhURL Cek19LJlfYvaVIvPSkrHEKxXswfStu+gnowU58Px80I458VWIfL+YgxtBDVD0NleaPjb rzQMvCjSbso2BqT6coN4YBAuUJN+Hlc4X2B0OQZ0mrbvNEGaZl5l3eyLp+c1uMJkA0cs djfI3/wUlGaJfNr2KyXUqWWlcE7e9DVjHvHg8tzgM7TeY+uSvoZm/RqoLiQt8Xx9CNnn Q1A8I+nzpJRx9BlhGGDgONuPW9oKdcrsEDDGFai/zQjdJmwr4H2liyf/zWIy2XxSP6GU Ilsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=ji4oVMvuVf4ig5Pxovscg6TJeL3NAc+hMo5bAUwhb0A=; b=LjhH+jnFGtrb/ktqko6S7pkrLJndJMRIvBlBgk/2Ra24i0QB7Q5X4OryD6XoatQPGc AeDCRtOXczJRIOaMZj1dn2AiMbRl/MTJJa0z1DLRWwmAkpWi0roq8rGG+9hBei3GgKkd rTCVK5J+Mu2Zugc9BoSvOKvkrktTK8jd2bAOv7z2fcEUlbIq2A9nSKytR0sLqO2pBQ8r 83XFy+qBqIyyibQzZS/ykZ7nmfhcy1advJze39Ebyh4+vz0E+3bkx1sNYALDxYg8GNkg pr9dlsVenXkCAOjCMZ+fuu+QQANga/jqbMU0VCNFP1tWwqIb0EzvdRzW7aipyqkHWdki 6FkA== X-Gm-Message-State: AHPjjUhwPMaFin7lz10UVEzPapaDpl9y2P3loVKrrhXNpATkhTOaUIS+ 2U74yBTyU8eEk8PvBltYZEesjJEiqJTQrkLYBuzquaXp X-Google-Smtp-Source: AOwi7QDFo5Ng1G6tWbm4594p2oFJrCGlZzqj1GM9sSGM422urNrGVFWgEhogLUmWXLfVKidZsw3bEpUUKaLWJ9hIXX8= X-Received: by 10.46.66.145 with SMTP id h17mr733185ljf.140.1506165009443; Sat, 23 Sep 2017 04:10:09 -0700 (PDT) MIME-Version: 1.0 References: <1183C95F3417890F2D0B1756@[10.12.30.106]> <22f64f3e-5572-4324-5e4c-ab5680e8e612@multiplay.co.uk> <3F8D64F72B72084041550C1E@Mac-mini.local> In-Reply-To: <3F8D64F72B72084041550C1E@Mac-mini.local> From: Steven Hartland Date: Sat, 23 Sep 2017 11:09:58 +0000 Message-ID: Subject: Re: CARP under 10.3 - can't "ifconfig down" one or more VHIDs? To: Karl Pielorz , freebsd-net@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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: Sat, 23 Sep 2017 11:10:12 -0000 The underlying protocol hasn=E2=80=99t changed just the presentation so the= re shouldn=E2=80=99t be any issues between 9 and 10. On Sat, 23 Sep 2017 at 09:21, Karl Pielorz wrote: > > > --On 22 September 2017 at 20:16:25 +0100 Steven Hartland > wrote: > > > CARP on 9 and 10 are very different its not a separate interface anymor= e, > > its a property on the parent interface, so the behavior your described = is > > expected. > > > > If you want to disable carp just remove it, if however you want for fai= l > > to the other virtual host, just bump the advskew or force the state > > change. > > Ok, thanks for confirming that - bit of a shame 'ifconfig carpX down' was= a > very quick way of temporarily removing CARP (i.e. so the host didn't > participate in the pool) for maintenance while leaving the base / parent > interface available - and then putting it back 'as-was' with messing arou= nd > with the other values. > > Do you know if there's any interoperability issues having some 9.x and so= me > 10.x sharing the same CARP system? > > > I'll probably replace with a script to store the skews, push them to a ve= ry > high value, mark as 'BACKUP' all the VHID's - and something to undo it al= l > again - though actually just removing it might be easier (providing addin= g > it doesn't cause a moment of "I'm MASTER, uh, no, I'm BACKUP"). > > -Karl >