Re: Dynamode BR-6004 4 Port Broadband Router
 

Find the setting for cloning the MAC address of the Ethernet adapter you use to connect - makes it a lot easier if you do have to swap, as it avoids all that power-cycling and registration nonsense.

Pretty sure that model has the same guts as the Sweex LB000021 and Edimax BR6104k, such that you could refer to their manuals (download) instead.