[Kea-users] group by mac addresses ?

[Carsten Strotmann]

Hi,

On 18 Dec 2025, at 14:07, lejeczek via Kea-users wrote:

> I've been trying - thinking is the easiest to read - this syntax:
> ```
> ...
>     "client-classes": [
>         {
>             "name": "VMWARE",
>             "test": "(pkt4.mac == 0x02981b6d3612 or pkt4.mac == 0x0202bf56c0a0 or pkt4.mac == 029df779a717 or pkt4.mac == 02f6e218dd40 or pkt4.mac == 02a632946d96 or pkt4.mac == 027aeb9b8715 or pkt4.mac == 029521b6cb87 or pkt4.mac == 02804c4e9f14)",
>             "option-data": [
> ...
> ```
> but KEA fails with:
>
> kea-dhcp4[1919448]: 2025-12-18 14:03:14.719 ERROR [kea-dhcp4.dhcp4/1919448.140155453429888] DHCP4_PARSER_FAIL failed to create or run parser for configuration element client-classes: expression: [(pkt4.mac == 0x02981b6d3612 or pkt4.mac == 0x0202bf56c0a0 or pkt4.mac == 029df779a717 or pkt4.mac == 02f6e218dd40 or pkt4.mac == 02a632946d96 or pkt4.mac == 027aeb9b8715 or pkt4.mac == 029521b6cb87 or pkt4.mac == 02804c4e9f14)] error: <string>:1.77: Invalid character: d at (/etc/kea/kea-dhcp4.conf:21:21)
>
>
> is it because of KEA version which in my case is 2.6.4 ?

no, it is probably because only the first two hardware addresses are proper Hex-Addresses (0x0202bf56c0a0), and the remaining ones are not hexadecimal (missing the leading 0x = 027aeb9b8715 should be 0x027aeb9b8715)

Greetings

Carsten