[Kea-users] Question about vivso (option 125) with suboption config

[Marek Hajduczenia]

A working example from my home lab setup follows

    "option-def": [
      {
        "name": "worldbox_adb_bmc",
        "code": 1,
        "type": "string",
        "space": "vendor-14810",
        "encapsulate": ""
      },
      {
        "name": "vendor-16666-test",
        "code": 111,
        "type": "string",
        "space": "vendor-16666",
        "encapsulate": ""
      }
    ],
    "option-data": [
      {
        "name": "worldbox_adb_bmc",
        "space": "vendor-14810",
        "data": "'some URL from worldbox_adb_bmc'",
        "always-send": true
      },
      {
        "name": "vendor-16666-test",
        "space": "vendor-16666",
        "data": "'some URL from vendor-16666-test'",
        "always-send": true
      },
      {
        "name": "vivso-suboptions",
        "data": "14810",
        "always-send": true
      },
      {
        "name": "vivso-suboptions",
        "data": "16666",
        "always-send": true
      }
    ],

Regards

Marek

On Mon, Apr 15, 2024 at 9:51 AM Philippe EA <pea at perle.com> wrote:

> Hi All,
>
>
>
> I would like to get a proper configuration for option 125 (vivso), and got
> some questions hope you guys can help me.
>
>
>
> *1st question :*
>
> Here is my current config for bootfile name :
>
> {
>
>     "subnet4": [ {
>
>         "reservations": [
>
>         {
>
>             "hw-address": "aa:bb:cc:dd:ee:ff",
>
>             "next-server": "10.171.20.254",
>
>             "server-hostname": "10.171.20.72",
>
>             "boot-file-name": " dhcp-ztp.txt"
>
>         } ]
>
>     } ]
>
> }
>
>
>
> With this config, the boot file is downloaded from a TFTP server,
>
> How to switch from TFTP to HTTP server? what am I missing on the config?
>
>
>
> 2nd question : the config below is adapted from an existing vivso config
>
> {
>
>     "option-def": [
>
>     {
>
>         "name": "tftp",
>
>         "code": 2,
>
>         "space": "vendor-1966",
>
>         "type": "string"
>
>     } ],
>
>
>
>     "client-classes": [
>
>     {
>
>         "name": "Perle",
>
>         "test": "substring(option[60].hex,0,4) == '1966'",
>
>         "option-data": [
>
>             {
>
>                 "name": "vivso-suboptions",
>
>                 "data": "1966",
>
>                 "encapsulate": "vendor-1966"
>
>             },
>
>             {
>
>                 "name": "tftp",
>
>                 "space": "vendor-1966",
>
>                 "data": "URL file name",
>
>                 "always-send": true
>
>             }
>
>         ]
>
>     } ]
>
> }
>
>
>
> And below the details of the option125 with suboption from the vendor :
>
> [image: Une image contenant texte, capture d’écran, Police, ligne
> Description générée automatiquement]
> [image: Une image contenant texte, capture d’écran, Police, nombre
> Description générée automatiquement]
> [image: Une image contenant texte, capture d’écran, nombre, Police
> Description générée automatiquement]
>
>
>
> So in HEX format it looks like this:
>
> 00:00:07:AE:14:10:01:01:05:0F:73:63:67:2D:36:2E:31:2E:54:32:35:2E:65:6D:67
>
>
>
> 00:00:07:AE : vendor id
>
> 14 : data length in total until the end (HEX format)
>
> Suboption 10 à define which protocol to use for bootfile/software
>
> 01: Data lenght
>
> 01: HTTP protocol
>
> Suboption 05 à define software file name
>
> 0F : Data length
>
> 73:63:67:2D:36:2E:31:2E:54:32:35:2E:65:6D:67 : File name in HEX format
>
>
>
> So my question is :
>
>
>
> This format was working with ISC DHCP, however, is it possible to adapt
> this vivso option and suboption vendor into KEA config ?
>
>
>
> it doesn’t need to be in HEX format, as long as it works the same that’s
> fine.
>
>
>
> If yes, how to define in my current config vivso config, the suboption 10
> and suboption 5 with their data ?
>
>
>
> Thank you.
>
>
>
> Regards.
>
>
>
> Philippe
> --
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>
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