[Kea-users] problem with INIT_REBOOT

[Marcin Siodelski]

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 <objectivecpp at gmail.com
> <mailto:objectivecpp at gmail.com>> 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
>
>
>
>
>     --
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>
> -- 
> Dave
> m: 408-655-9704
>
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