Mac address change on reboot with Dlink DAP 2660


I have installed OpenWrt 21.02.3 r16554-1d4dea6d4f / LuCI openwrt-21.02 branch git-22.083.69138-0a0ce2a on my Dlink DAP 2660 and I'm facing a strange issue : the ethernet mac address seems to be randomized on reboot.

For instance, as I should be using dhcp to give this AP an IP address, I try to give it a static lease on my DHCP server. Which is OK.

But, everytime the AP is reboooted, it shows a different mac address.

The DHCP server does his job and offers an IP from the DHCP pool but not the static lease that I configured.

Has anyone faced this issue (that I'm not facing with other openwrt devices) ?

Thanks for your help.

No solution on this issue. I had to switch to static addressing for this type of AP.

But it works :wink:

Could override the MAC and set it hard, via the webui.

Yes. I know. But, well, I was interested in understanding what causes that :wink:
Thanks for your answer and tip by the way.