[Kea-users] DHCPv4 Conflict resolution on MAC change

Mon Jan 30 10:31:31 UTC 2023

+1
________________________________
From: Kea-users <kea-users-bounces at lists.isc.org> on behalf of GIRSTMAIR Tobias via Kea-users <kea-users at lists.isc.org>
Sent: Monday, January 30, 2023 10:54 AM
To: dhcp1 at thehobsons.co.uk <dhcp1 at thehobsons.co.uk>; kea-users at lists.isc.org <kea-users at lists.isc.org>
Subject: Re: [Kea-users] DHCPv4 Conflict resolution on MAC change

On Fri, 2023-01-27 at 19:58 +0000, Simon wrote:
> I assume it doesn’t scale in terms of having multiple hell desk
> operators having to do manual steps - in which case, the answer is to
> build a tool into your management toolset allowing them to “click
> here to remove the lease” when they are altering the reservation
> details.

The problem for us is that we manage reservations through a central
MySQL database (through a fancy UI for our hell desk), but leases are
stored in memfiles on each DHCP server (8 HA setups for 16 total). So
our tooling doesn't directly connect to the dhcp servers (and doesn't
even know which dhcp server a reservation 'belongs' to).

If there is no other way, we'll have to rework our tooling to find out
where to send this API call to (and punch some holes into the
firewalls). Not the end of the world, but this seems to be a feature
more people could benefit from.

        tobi
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