Re: How do you do rDNS for IPv6 ?

[Owen DeLong <owen () delong com>]

On Dec 5, 2010, at 5:28 PM, Franck Martin wrote:

> ----- 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:
>
> > > 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?
> > If you care, you probably need to use DHCPv6 for this and it should be
> > able
> > to build both the AAAA and PTR records.
> 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....
>
> 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