[Kea-users] Kea 2.6.5: hosts-database with PostgreSQL not querying database during DHCP lease allocation

[Eddie Taylor]

Sorry for the delay had an issue to address.

root at p-powerdns-001 ~]# grep -A 100 '"hooks-libraries"' /etc/kea/kea-dhcp4.conf | grep -A 1 "library"
        "library": "/usr/lib64/kea/hooks/libdhcp_lease_cmds.so"
      },
--
        "library": "/usr/lib64/kea/hooks/libdhcp_ha.so",
        "parameters": {
--
        "library": "/usr/lib64/kea/hooks/libdhcp_host_cmds.so"
      },
--
        "library": "/usr/lib64/kea/hooks/libdhcp_pgsql_cb.so"
      }
[root at p-powerdns-001 ~]#

From: Kea-users <kea-users-bounces at lists.isc.org> On Behalf Of Peter Davies
Sent: Tuesday, May 12, 2026 11:47 AM
To: kea-users at lists.isc.org
Subject: Re: [Kea-users] Kea 2.6.5: hosts-database with PostgreSQL not querying database during DHCP lease allocation

Hi Eddie,
  What does your "hosts-database" definition look like?
Have you remembered to load the host commands hooks library "libdhcp_host_cmds.so"
See: https://kea.readthedocs.io/en/kea-2.6.5/arm/hooks.html#libdhcp-host-cmds-so-host-commands
/Peter
On 12/05/2026 17.25, Eddie Taylor wrote:
According to kb.isc.org/docs/aa-01615 (Kea Significant Features Matrix), Kea 2.6 should support Host Reservations Mode (Global). We have hosts-database configured with PostgreSQL, the schema is correct (22.2), host reservations exist in the database with correct data, but Kea 2.6.5 is not querying the database during DHCP lease assignment. No special hook is indicated as required for Kea 2.6 host reservations in the matrix. What's missing or broken?
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--

Peter Davies

Support Engineer

Internet Systems Corporation



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