DHCP, Dynamic DNS, and IPv6

[Jeffrey Hutzelman]

--On Wednesday, August 20, 2008 08:14:30 AM -0700 "David W. Hankins" 
<David_Hankins at isc.org> wrote:

> On Wed, Aug 20, 2008 at 01:27:23AM -0700, Loren M. Lang wrote:
>> section, but a status of NOERROR instead of NXDOMAIN.  At that point it
>> decides that it can't update the name even though there is no A or TXT
>> records for it.
>
> RFC 4703, section 5.3.1.  In order for updates to proceed, a query
> on the name must be NXDOMAIN, to ensure that it has not yet been
> allocated.  This is not a specific query, but rather a prerequisite
> on the first update attempt.
>
>> How can I get DHCP to update the records regardless of
>> the existence of a AAAA record?
>
> Short of editing sources, I don't see a way.

Well, you could set ddns-update-style none and then do your own updates in 
a commit trigger.  This approach has been fairly effective for us when we 
want to do something strange.

-- Jeff