> WAN mac addresses don't travel very far upstream This doesn't matter, and it's addressed in the post. He mentions many devices actually do use the BSSID (whi

> WAN mac addresses don't travel very far upstream This doesn't matter, and it's addressed in the post. He mentions many devices actually do use the BSSID (which is sent in every wireless frame), and the WAN MAC is usually very close to the BSSID anyway so you can guess it in very few tries.