Collisions are just as likely with the 48 bits as they are with the last 24 bits, as some OUI vendors reuse mac addresses. Using a mac address in the IP is ter

Collisions are just as likely with the 48 bits as they are with the last 24 bits, as some OUI vendors reuse mac addresses. Using a mac address in the IP is terrible anyway from a privacy point of view, use a random IP in the subnet, send out a check to see if it's already used, if it is choose a new one. That check is already a feature of ipv6.