[Kea-users] Client class evaluation dependency on MySQL reservation class

[Christian Schuldt]

Hey all,

I'm trying to assign a Client Class that checks for a class that will
only be assigned in reservations, however I'm unable to get it to work.
According to the Note of
https://ftp.isc.org/isc/kea/1.5.0/doc/kea-guide.html#reservation4-client-classes
it should be possible by also checking against "member('KNOWN') which
supposedly defers the evaluation of the class until after the
reservation lookup.

My current config now looks similar to this:
{    "name": "ipxe",
    "test": "member('KNOWN') and (option[77].hex == 'iPXE') and
member('pxe')",
    "boot-file-name": "pxeserver.example.com/menu.php"
},
{    "name": "not_ipxe",
    "test": "member('KNOWN') and member('pxe') and not (option[77].hex
== 'iPXE') ",
    "next-server": "10.1.0.25",
    "boot-file-name": "undionly.kpxe"
}

And in the Mysql Reservation:
ipv4_address			    |  dhcp4_client_classes
INET_ATON('10.1.0.6)   |  pxe


The server I'm testing this with does get the correct IP (which is out
of pool), however it doesn't receive the iPXE information. I tested this
without the "member('pxe')" test which then works. This is a native iPXE
client.

Any help with this would be highly appreciated.


Kind Regards
Christian Schuldt



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