[133191] in North American Network Operators' Group
Re: How do you do rDNS for IPv6 ?
daemon@ATHENA.MIT.EDU (Owen DeLong)
Mon Dec 6 06:54:32 2010
From: Owen DeLong <owen@delong.com>
In-Reply-To: <29247251.37.1291598916527.JavaMail.franck@franck-martins-macbook-pro.local>
Date: Mon, 6 Dec 2010 03:52:14 -0800
To: Franck Martin <franck@genius.com>
Cc: John Levine <johnl@iecc.com>, nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Dec 5, 2010, at 5:28 PM, Franck Martin wrote:
>=20
>=20
> ----- Original Message -----
>> From: "Owen DeLong" <owen@delong.com>
>> To: "John Levine" <johnl@iecc.com>
>> Cc: nanog@nanog.org
>> Sent: Sunday, 5 December, 2010 2:54:43 PM
>> Subject: Re: How do you do rDNS for IPv6 ?
>> On Dec 5, 2010, at 2:13 PM, John Levine wrote:
>>=20
>=20
>>> When hosts self-configure their low 64 bits, do you install a
>>> suitable
>>> PTR and AAAA into your DNS? If so, how? Do you use DHCPv6 and have
>>> it
>>> install the DNS? Do you do something else?
>>>=20
>> If you care, you probably need to use DHCPv6 for this and it should =
be
>> able
>> to build both the AAAA and PTR records.
>>=20
> Unless you use, privacy extensions, the advantage of IPv6 over IPv4 is =
that the IP address is built based on your network and the mac address =
of the interface, so it is not a random number changed at every =
connection....
>=20
> I guess when you provision the machine, you can install the AAAA and =
PTR record and then also put the mac address in your access lists...
That answer presumes an enterprise environment. The question was from =
the perspective of a residential ISP.
I don't think most residential ISPs would regard provisioning individual =
customer machines as a scalable solution.
Owen
