Supplementing the answer from Dave, I am sending the link to the documentation which clarifies the server's behavior depending on the authoritative flag setting:
https://jenkins.isc.org/job/Kea_doc/guide/kea-guide.html#dhcp4-authoritative Hope that helps. Marcin Siodelski DHCP Software Engineer, ISC On 04/05/2019 00:40, Dave Swager wrote: > I believe if you're running kea5 and set authoritative (will send nack > to client) that will clear this problem > > On Fri, May 3, 2019 at 2:29 PM oc <[email protected] > <mailto:[email protected]>> wrote: > > [new user] > > We have multiple KEA servers hosted in our infrastructure (with > shared lease > database). Most recently, we noticed that our DHCP clients failed to > renew > their IP address as the KEA servers are rejecting INIT_REBOOT. It > appears to > be an expected behavior for a KEA server to ignore INIT_REBOOT if > the lease > was allocated by another KEA server. > > In this particular case, even though all the KEA servers are running > (and > are seeing INIT_REBOOT request), none of them respond to INIT_REBOOT > requests. > > What could be causing this problem? No changes to KEA servers > configuration. > > We have another problem in the form of bad DHCP client implementation. > Unfortunately, our DHCP clients are not falling back to 4 way > exchange to > get a new lease when they see no response to INIT_REBOOT. > > Is it possible for us to configure one of the other KEA servers to > respond > to "INIT_REBOOT" as they all share the same lease database and have > information on the existing lease. > > Thanks > > > > > -- > Sent from: http://kea-users.7364.n8.nabble.com/ > _______________________________________________ > Kea-users mailing list > [email protected] <mailto:[email protected]> > https://lists.isc.org/mailman/listinfo/kea-users > > > > -- > Dave > m: 408-655-9704 > > _______________________________________________ > Kea-users mailing list > [email protected] > https://lists.isc.org/mailman/listinfo/kea-users > _______________________________________________ Kea-users mailing list [email protected] https://lists.isc.org/mailman/listinfo/kea-users
