[Kea-users] kea-dhcp4 server fails with message 'option type 18 not supported'
Anna Mager
a.mager at syseleven.de
Thu Nov 28 14:40:06 UTC 2019
Hello,
i am translating my isc-dhcp config to kea config (kea 1.6.0) and I have
some vendor options for unifi access points to find their controller.
Unifi's manual for doing this with old isc-dhcp server can be found
here:
https://help.ubnt.com/hc/en-us/articles/204909754-UniFi-Device-Adoption-Methods-for-Remote-UniFi-Controllers#7
This is what I've come up with following the documentation
(https://kea.readthedocs.io/en/v1_6_0/arm/dhcp4-srv.html#dhcpv4-private-options):
"Dhcp4":{
....
"option-def" [
{
"name" : "unifi-address",
"code" : 1,
"space": "ubnt",
"type" : "ipv4_address"
}
],
...
"client-classes": [
"name": "ubnt",
"test": "substring(option[60].hex,0,4) == 'ubnt'",
"option-def": [
{
"name" : "vendor-encapsulated-options",
"type" : "empty",
"encapsulate": "ubnt",
"code" : 43
}
],
"option-data": [
{
"name": "unifi-address",
"data":"123.123.123.123"
},
{
"name": "vendor-encapsulated-options"
}
]
},
...
Everytime I try starting kea it fails with the following message:
2019-11-28 14:21:01.668 ERROR [kea-dhcp4.dhcp4/2837] DHCP4_INIT_FAIL
failed to initialize Kea server: configuration error using file
'/usr/local/etc/kea/kea-dhcp4.conf': option type 18 not supported.
The error points to to the place where the unifi-address is defined in
top-level option-def. I have a lot of vendor specific options with code
43 defined in the same way in my config, which check out perfectly. But
each time I add the part about the unifi adress, kea signals me that
option type 18 is not supported.
Any hints are much appreciated.
Best regards,
Anna
--
Anna Mager
System Engineer
SysEleven GmbH
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