Dear ISC Support Team,
I hope this email finds you well. I am reaching out to seek guidance on
integrating Kea DHCP with DHCP requests originating from DOCSIS cable
modems.
My inquiry revolves around configuring the DHCP Server to, upon receiving a
DHCP Discover and detecting that it originates from a cable modem, utilize
the client-class option as follows:
"client-classes": [
{
"name": "Cablemodem",
"test": "substring(option[60].hex, 0, 6) == 'docsis'",
"next-server": "192.168.10.43",
"boot-file-name": "default.bin"
}
],
The goal is for Kea DHCP, in responding to the boot-file-name, to execute a
query against an SQL table. This query would seek the MAC address of the
cable modem, present in both the Client MAC address field
("ARRISGro_4c:d4:a2" or "98:6b:3d:4c:d4:a2") and option 82 ("Agent
Information Option"). If the MAC is found in the table, it would fetch the
corresponding value from the boot-file field. If no match is found, the
response would default to "default.bin".
I would appreciate any guidance or suggestions you can provide to achieve
this scenario.
Thank you in advance for your time and assistance.
Best regards,
--
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