From owner-freebsd-net@FreeBSD.ORG Thu May 8 10:28:26 2014 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C68D19CB; Thu, 8 May 2014 10:28:26 +0000 (UTC) Received: from mx1.sbone.de (bird.sbone.de [46.4.1.90]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "mx1.sbone.de", Issuer "SBone.DE" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 78E69B02; Thu, 8 May 2014 10:28:26 +0000 (UTC) Received: from mail.sbone.de (mail.sbone.de [IPv6:fde9:577b:c1a9:31::2013:587]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.sbone.de (Postfix) with ESMTPS id 22E1D25D3A00; Thu, 8 May 2014 10:28:23 +0000 (UTC) Received: from content-filter.sbone.de (content-filter.sbone.de [IPv6:fde9:577b:c1a9:31::2013:2742]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPS id E433CC22BDA; Thu, 8 May 2014 10:28:22 +0000 (UTC) X-Virus-Scanned: amavisd-new at sbone.de Received: from mail.sbone.de ([IPv6:fde9:577b:c1a9:31::2013:587]) by content-filter.sbone.de (content-filter.sbone.de [fde9:577b:c1a9:31::2013:2742]) (amavisd-new, port 10024) with ESMTP id HdoBrQHGYCUQ; Thu, 8 May 2014 10:28:21 +0000 (UTC) Received: from [IPv6:fde9:577b:c1a9:4420:cabc:c8ff:fe8b:4fe6] (unknown [IPv6:fde9:577b:c1a9:4420:cabc:c8ff:fe8b:4fe6]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPSA id BFB4EC22BCF; Thu, 8 May 2014 10:28:20 +0000 (UTC) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\)) Subject: Re: Allowing CARP to use arbitrary OUI prefix and allocating block from FreeBSD's OUI space assignment for that From: "Bjoern A. Zeeb" In-Reply-To: Date: Thu, 8 May 2014 10:28:19 +0000 Content-Transfer-Encoding: quoted-printable Message-Id: <03D03A86-A5C4-4C0D-822E-D151AB272F35@lists.zabbadoz.net> References: <97B3C7CB-3E64-4FE0-81C8-F1FE6FB456A2@lists.zabbadoz.net> To: Eygene Ryabinkin X-Mailer: Apple Mail (2.1874) Cc: net@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18 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, 08 May 2014 10:28:26 -0000 On 08 May 2014, at 09:50 , Eygene Ryabinkin wrote: >> Apart from that I thought the different version number was sufficient >=20 > The thing is that both VRRP and CARP packets use MAC address (on > Ethernet at least) that equals to 00:00:5e:00:01:$VRID. So in case > that $VRID is the same and VRRP and CARP admins aren't aware of each > other, there will be MAC conflict, so L2 packets will be switched > in a "funny" manner. How=92s that different routing guys running VRRP on the routers and server guys running vrrp on the servers and conflicting on the ID? It=92s a management problem in the administrative broadcast domain not a CARP vs. VRRP problem. =97=20 Bjoern A. Zeeb "Come on. Learn, goddamn it.", WarGames, 1983