Gdkitty,
Can you check if the SMC can do DHCP reservations from the DHCP client list?
My suggestion above of adding the DHCP reservation then creating an outbound block rule would be easier than managing MAC addresses all the time.
Gdkitty,
Can you check if the SMC can do DHCP reservations from the DHCP client list?
My suggestion above of adding the DHCP reservation then creating an outbound block rule would be easier than managing MAC addresses all the time.