From owner-freebsd-net@FreeBSD.ORG Thu May 8 13:50:10 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 75C5A11D; Thu, 8 May 2014 13:50:10 +0000 (UTC) Received: from 0.mx.codelabs.ru (0.mx.codelabs.ru [144.206.233.71]) (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 15F1E17B; Thu, 8 May 2014 13:50:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codelabs.ru; s=three; h=Sender:In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date; bh=vh25NrVnyyfTqScTIKrbm7EeBDJKlcS10xU8DDIphCI=; b=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; Received: from void.codelabs.ru (void.codelabs.ru [144.206.233.66]) by 0.mx.codelabs.ru with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) id 1WiOi8-000Jd6-0z; Thu, 08 May 2014 17:50:08 +0400 Date: Thu, 8 May 2014 17:50:05 +0400 From: Eygene Ryabinkin To: "Bjoern A. Zeeb" Subject: Re: Allowing CARP to use arbitrary OUI prefix and allocating block from FreeBSD's OUI space assignment for that Message-ID: <0rxH4JJknMOY34ungRbP4jrPfLM@dHhGgwofm7uNfL6/X5+bGIkDUYs> References: <97B3C7CB-3E64-4FE0-81C8-F1FE6FB456A2@lists.zabbadoz.net> <1B71A1AC-8A85-415D-A413-CD01635B3123@lists.zabbadoz.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="SNIs70sCzqvszXB4" Content-Disposition: inline In-Reply-To: Sender: rea@codelabs.ru 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 13:50:10 -0000 --SNIs70sCzqvszXB4 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Thu, May 08, 2014 at 05:32:28PM +0400, Eygene Ryabinkin wrote: > Thu, May 08, 2014 at 12:08:28PM +0000, Bjoern A. Zeeb wrote: > > People need to talk. The fact that your server guys use a > > non-unique Ethernet address for CARP without talking to their local > > authority who=E2=80=99s in charge of the network first is nothing you c= an > > fix changing the number. The fact that multiple deployments on the > > same subnet might exist is nothing a number change will fix. I > > think the RFC uses the word =E2=80=9Ccoordinate=E2=80=9D. >=20 > People need to talk, yes. But do BGP heads will announce the > technical details of what they are doing to the Squid cluster guys > (picking protocol and software names arbitrary)? Not sure. Hell, > I am sure they won't. >=20 > And if we speak about RFCs: we need protocol specifications at all not > only because people should know how they work, but also to avoid > messing (perhaps unintentionally) some technical details of the > protocols making different ones to bring havoc if used together. >=20 > That's why VRRP for IPv6 has its own OUI space and that's why CARP > needs its own OUI space: it is a different protocol from VRRP, so we > should minimize clashes at all levels. IANA/IETF could have said "oh > dear, L2 domain admins must coordinate their IPv4 and IPv6 VRRP > things, so let's reuse 00-00-5E-00-01 space". But they minimised > confusion where they could and that's a good thing to do. By the way, http://marc.info/?l=3Dopenbsd-tech&m=3D139955603603070&w=3D2 So the new OUI assignment is already in place, it will be interesting what will be done next and if this patch will be accepted by OpenBSD. --=20 Eygene Ryabinkin ,,,^..^,,, [ Life's unfair - but root password helps! | codelabs.ru ] [ 82FE 06BC D497 C0DE 49EC 4FF0 16AF 9EAE 8152 ECFB | freebsd.org ] --SNIs70sCzqvszXB4 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iL4EABEKAGYFAlNri41fFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3Bl bnBncC5maWZ0aGhvcnNlbWFuLm5ldDgyRkUwNkJDRDQ5N0MwREU0OUVDNEZGMDE2 QUY5RUFFODE1MkVDRkIACgkQFq+eroFS7PtOTgD/QCrLDTft14DmjabRKzpoYbP5 KLtrYvbewu+E0BwtKucA/Agqmiy6poj2A8aiD7MuL2ZET5SauKqePc+SfdqMwkL6 =s6+x -----END PGP SIGNATURE----- --SNIs70sCzqvszXB4--