[141626] in North American Network Operators' Group
Re: Cogent IPv6
daemon@ATHENA.MIT.EDU (Owen DeLong)
Thu Jun 9 17:16:41 2011
From: Owen DeLong <owen@delong.com>
In-Reply-To: <957672C2-3DB4-466D-9513-4E1529B6B2E6@muada.com>
Date: Thu, 9 Jun 2011 14:09:44 -0700
To: Iljitsch van Beijnum <iljitsch@muada.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>, Kelly Setzer <Kelly.Setzer@wnco.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Jun 9, 2011, at 9:56 AM, Iljitsch van Beijnum wrote:
> On 9 jun 2011, at 10:32, Owen DeLong wrote:
>=20
>> You can actually use DHCPv6 to assign addresses to hosts dynamically
>> on longer than /64 networks.
>=20
> The trouble is that DHCPv6 can't tell you the prefix length for your =
address, so either set up the routers to advertise this prefix (but =
without the autonomous autoconfiguration flag set) or prepare for =
surprising results.
>=20
> I say: life is too short to fiddle with this kind of stuff, just use =
/64, at least for everything that isn't a point-to-point link or =
loopback address.
I don't disagree with you, but, the claim that you can only choose =
between
SLAAC and Static and therefore only use /64 for dynamic addressing =
wasn't
true.
Owen