fixed-address6 and ddns-hostname

Андрей Коблюк winsor at
Tue Sep 23 11:56:19 UTC 2014

>> But if I add a configuration for fixed host:
>> subnet6 2001:db8::/48 {
>>       pool6 {
>>                range6 2001:db8:3::/64;
>>                allow members of "winsor_intf";
>>                 host wpad {
>>                        host-identifier option dhcp6.client-id 00:01:00:01:1a:16:60:1e:b4:b5:2f:90:df:13;
>>                        ddns-hostname "wpad"; #or without ddns-hostname - ddns does not work
>>                        fixed-address6 2001:db8:3:0::100;
>>                }
>>        }
>> }

>> dhcpd not send ddns query to bind.

> No it won't. Assuming it behaves the same in IPv6 mode as in IPv4
> mode, then fixed addresses assigned via a host statement do **NOT**
> result in the normal lease lifecycle processing - no lease record, no DDNS updates, etc.
> Again assuming things work the same, you could create a skeleton
> lease for the client (or adapt one that the system has created) and
> add the "reserved" keyword to it. The address (although dynamic)
> will then be reserved of that client even after expiration.

ie as I understand it - there is no way to send dyndns query to "named" daemon with "static host" configuration? and the need to either make changes to dhcpd6.lases or in the static configuration on required zone in dns server?


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