AirLive A.DUO - Manual (Page 104)

4. Wireless and WAN Settings
97 AirLive A.DUO User’s Manual
Clone MAC Address: Some service provider (Cable Modem provider) lock to
certain MAC address. In this situation, the WAN port of A.DUO needs to clone
the MAC address. Please check the “Clone MAC address” box and enter the
address that need to be cloned.