Moreover, the general point stands that Mark's problem is one of bad ISP decisions, not anything different between IPv4/RFC1918 and IPv6.
On Sun, Apr 25, 2010 at 11:48 AM, Owen DeLong <o...@delong.com> wrote: > > On Apr 25, 2010, at 8:17 AM, Tony Hoyle wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> On 25/04/2010 03:01, Mark Smith wrote: >>> I'm a typical, fairly near future residential customer. I have a NAS >>> that I have movies stored on. My ISP delegates an IPv6 prefix to me with >>> a preferred lifetime of 60 minutes, and a valid lifetime of 90 minutes >> >> What ISP would put a 'lifetime' on your ipv6 prefix? That seems insane >> to me... they should give you a /48 and be done with it. Even the free >> tunnel brokers do that. >> >> But then I never understood dynamic ipv4 either.... >> > If they are using DHCP-PD, then, it comes with a lifetime whether it is > static or not. > > The reality is that unless they need to renumber you, you'll probably get > a new RA with the 60/90 minute lifetimes specified each time RAs are > sent and your counters will all get reset to 60/90 for the foreseeable > future. The preferred and valid lifetimes aren't limitations, they're > minimums. The prefix should be yours and should be functional for > you for AT LEAST the valid lifetime. > > Owen > > >