I was just about to provide an update and suggest that I'd been stupid and broken my own system of documenting everything in BIND and/or DHCP - and that having tracked the MAC address (I found this to translate the MAC : https://maclookup.app), I found that the "incorrect MAC" was a TP-LINK devices....... I only have a few so it was easy to find that, which is now exactly what read from Mad Penguin (thank you by the way)
"Based on your description I would be inclined to think you have t...
I was just about to provide an update and suggest that I'd been stupid and broken my own system of documenting everything in BIND and/or DHCP - and that having tracked the MAC address (I found this to translate the MAC : https://maclookup.app), I found that the "incorrect MAC" was a TP-LINK devices....... I only have a few so it was easy to find that, which is now exactly what read from Mad Penguin (thank you by the way)
"Based on your description I would be inclined to think you have t...