[Kea-users] KEA Option 17 structure (example)

[Darren Ankney]

Hi Marek,

It is unclear to me.  Is this for DHCPv6?

Thank you,
Darren Ankney

On Thu, Mar 7, 2024 at 10:51 PM Marek Hajduczenia
<mxhajduczenia at gmail.com> wrote:
>
> Dear mailing list users,
>
> I have been trying to create an Option 17 with a specific structure for a vendor with the ID of 14810, where all I have is a sub-option 1, containing a string with an arbitrary FQDN. I have a working code for ISC DHCP, but I have not been able to locate a working example of an implementation for Kea.
>
> # ADB VSIO
> option space worldbox_adb code width 2 length width 2 hash size 1;
> option worldbox_adb.bmc code 1 = text;
> option vsio.worldbox_adb code 14810 = encapsulate worldbox_adb;
>
> # use the option within a subnet
> ...
> option worldbox_adb.bmc "tmpwh2.cvs.adbglobal.com";
> ...
>
> My failed attempt to translate looks like the following, but it does not produce any particular output as confirmed with the packet capture. DNS servers are present, so I am sure the config is parsed correctly.
>
>                 "option-data": [
>                                 {
>                                         "name": "dns-servers",
>                                         "data": "2001:db8:2::dead:beef, 2001:db8:2::cafe:babe"
>                                 }, {
>                                         "space": "vendor-14810",
>                                         "name": "bmc",
>                                         "data": "tmpwh2.cvs.adbglobal.com"
>                                 }, {
>                                         "name": "vendor-14810-bmc"
>                                 } ]
>                 } ],
>
>                 "option-def": [ {
>                         // We define a short name, so the option can be referenced by name.
>                         // The option has code 2 and resides within vendor space 25167.
>                         // Its data is a plain string.
>                         "name": "bmc",
>                         "code": 1,
>                         "space": "vendor-14810",
>                         "type": "string",
>                         "array": false,
>                         "encapsulate": ""
>                 }, {
>                         "name": "vendor-14810-bmc",
>                         "code": 14810,
>                         "type": "empty",
>                         "space": "dhcp6",
>                         "encapsulate": "bmc"
>                 } ],
>
> I did not see any example showing how to build Option 17 anywhere. Any pointers / examples would be really appreciated.
>
> Marek
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