Date: Thu, 8 May 2014 17:50:05 +0400 From: Eygene Ryabinkin <rea@freebsd.org> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: net@freebsd.org 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%2BbGIkDUYs> In-Reply-To: <jFzRD2Y/x/4vgSDdS1CPQw/Hudo@dHhGgwofm7uNfL6/X5%2BbGIkDUYs> References: <Nlrr646yWAdJ7EfNj9z5ymwq5ZQ@dHhGgwofm7uNfL6/X5%2BbGIkDUYs> <97B3C7CB-3E64-4FE0-81C8-F1FE6FB456A2@lists.zabbadoz.net> <ht5ioSVMkYjTNaadctX3apO0nWQ@dHhGgwofm7uNfL6/X5%2BbGIkDUYs> <1B71A1AC-8A85-415D-A413-CD01635B3123@lists.zabbadoz.net> <jFzRD2Y/x/4vgSDdS1CPQw/Hudo@dHhGgwofm7uNfL6/X5%2BbGIkDUYs>
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[-- Attachment #1 --] 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’s in charge of the network first is nothing you can > > 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 “coordinate”. > > 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. > > 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. > > 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=openbsd-tech&m=139955603603070&w=2 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. -- Eygene Ryabinkin ,,,^..^,,, [ Life's unfair - but root password helps! | codelabs.ru ] [ 82FE 06BC D497 C0DE 49EC 4FF0 16AF 9EAE 8152 ECFB | freebsd.org ] [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iL4EABEKAGYFAlNri41fFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3Bl bnBncC5maWZ0aGhvcnNlbWFuLm5ldDgyRkUwNkJDRDQ5N0MwREU0OUVDNEZGMDE2 QUY5RUFFODE1MkVDRkIACgkQFq+eroFS7PtOTgD/QCrLDTft14DmjabRKzpoYbP5 KLtrYvbewu+E0BwtKucA/Agqmiy6poj2A8aiD7MuL2ZET5SauKqePc+SfdqMwkL6 =s6+x -----END PGP SIGNATURE-----
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