On Dec 5, 2010, at 5:28 PM, Franck Martin wrote: > > > ----- Original Message ----- >> From: "Owen DeLong" <o...@delong.com> >> To: "John Levine" <jo...@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