DHCPv6 Server-Intiated DDNS Updates for SLAAC Clients

Neff, Glen glen.neff at emc.com
Mon Jun 24 19:18:05 UTC 2013


> > I'm trying to build an environment where IPv6 clients boot, configure themselves with a proper stateless-autoconfig IP, based on the advertised prefix from the router, which is also configured to tell clients to make a DHCPv6 query for additional network information.  I would then like the DHCPv6 server to update a Dynamic-DNS zone based on the hostname provided by the client.
> >
> > Is this possible for stateless IPv6 clients?
> >
> > I've got the clients getting their DNS server, DNS domain, and DNS domain search list from the DHCPv6 server, but so far I can't get dhcpd to attempt a DDNS update.
> >
> > Will this be possible without having the dhcpd issuing IPs from a scope?

> No, DHCPD will only update DNS when it grants a lease to a DHCP
client. SLAAC clients need to update DNS themselves.

Well then. . . consider this a feature request!  >=]

-G

/*
 * Glen R. J. Neff
 * USD Lab Operations Infrastructure Team
 * glen.neff at emc.com
 *
 * EMC^2 == E^2
 */


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