Hello the list, As far as i know same behaviour apply when we use kea for dhcpv4 and dhcpv6 with ddns for the same client on the same dns zone. The only workaround today <http://airmail.calendar/2017-05-18%2012:00:00%20GMT+2> is to have separate dns zone for v4 and v6 lease.
Regards, Pr On 18 May 2017 at 18:14:28 , Thomas Markwalder ([email protected]) wrote: On 5/1/17 6:19 AM, Thomas Markwalder wrote: Hello Pawel: Kea's DDNS process, kea-dhcp-ddns, implements conflict detection/resolution as described in RFC 4703 (http://www.rfc-archive.org/getrfc.php?rfc=4703). This behavior restricts DDNS updates for a given FQDN (hostname), to a single client as identified by its DHCID. Therefore, if one client creates DNS entries for a hostname, "example.host.com", and later a different client attempts to add/replace/delete those entries, the updates will be rejected. The intent is to prevent different clients from owning the same name. I did notice that we do not describe this in our administrator's guide as we should. I have created a bug ticket to update the documentation ( http://kea.isc.org/ticket/5275#ticket). We may include a configurable parameter that turns this policy on and off. If you this functionality you would like to see added, your cause would be aided by opening an enhancement ticket: http://kea.isc.org/newticket . This helps us know what issues are important to our users. Regards, Thomas Markwalder ISC Software Engineering On 5/1/17 4:46 AM, Paweł Socha wrote: Hello everyone, I am using kea-dhcp4 with kea-ddns service to dynamically allocate new addresses for "named" DNS service. When a host with hostname X and IP address A is shut down and new one with hostname X goes up, it gets new IP address ( B ), but in dynamic dns is still present previous A-X binding, but not B-X. Removal of dynamic entry is rejected with RCODE 7 and adding a new one is rejected with RCODE 8. When lease for address A is expired, A-X binding is successfully removed. Is there any opportunity to solve hostname conflict by overwriting Dynamic DNS entries by the newest ones? I've tried everything... Thanks! Pawel _______________________________________________ Kea-users mailing [email protected]https://lists.isc.org/mailman/listinfo/kea-users _______________________________________________ Kea-users mailing [email protected]https://lists.isc.org/mailman/listinfo/kea-users Hello Pawel: Just wanted to update you on your feature request to be able to turn on/off conflict resolution in kea-dhcp-ddns (aka D2). We will keep it in mind for future releases, but has been deemed not-in-scope for our next release Kea 1.3 which should be out sometime in 2017 (firm date is TBD). Regards, Thomas Markwalder ISC Software Engineering _______________________________________________ Kea-users mailing list [email protected] https://lists.isc.org/mailman/listinfo/kea-users
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