Hi Kea Dev Team,
I’m migrating from ISC DHCP to Kea and encountered an issue when attempting
to define a custom option using code 121. In ISC DHCP, I was able to define
option 121 for custom use as follows:
option custom-option-121 code 121 = array of integer 8;
In Kea, when I try to replicate that using:
"option-def": [
{
"name": "custom-option-121",
"code": 121,
"type": "uint8",
"array": true
}
]
I get the following error:
DHCP4_PARSER_FAIL failed to create or run parser for configuration element
option-def: unable to override definition of option '121' in standard
option space 'dhcp4'
I understand from the Kea ARM documentation (
https://kea.readthedocs.io/en/latest/arm/dhcp4-srv.html#id5) that Option
121 is already part of the standard DHCPv4 option definitions. However, in
my use case, I need to send custom data under option 121 because the client
expects it.
Is there a supported way in Kea to:
1.
Override standard options like 121 with custom format/data?
2.
Send custom data using option 121 in a way compatible with clients
expecting it?
Any advice or suggested workarounds would be greatly appreciated.
Note that this is not only for option 121, I am also using other option
numbers also as custom option.
Best regards,
Dipesh
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