PTR records for v6 hosts

[Lionel Elie Mamane]

On Mon, Aug 31, 2009 at 11:41:32AM +0200, Bjørn Mork wrote:
> Ron Broersma <ron at spawar.navy.mil> writes:

>> We wrote a tool that regularly polls the routers, grabs the ARP and
>> ND tables (using appropriate snmp MIBs), looks for all the global
>> unicast IPv6 addresses in the list, and then using their MAC
>> address we map to the associated IPv4 address, then use that to
>> look up the IPv4 PTR record in DNS, then use that to build an IPv6
>> PTR record (...)

> And does anyone have a proposal that would fit an ISP environment? Lets
> say you use DHCP-PD to delegate a prefix to a customer, who is in full
> control of his own "residential gateway" so you can't look up his
> neigbour table.  What do you do?

Well, given how few "residential gateway"s have a decent support for
IPv6 anyway...

> - Delegate the reverse zone to the customer?  Most won't have a clue
>   what to do with it.

I can imagine that once IPv6 support has "settled in", that will be
the standard solution, supported by most residential gateways.

-- 
Lionel