6.3 MAC Clone 
The MAC clone feature is only available in Wireless Router mode. 
This section allows you to config the device WAN MAC address. 
 
Normally  you  don't  need  to  change  the  default  WAN  MAC 
address. However, some ISP may bind a specific MAC address for 
Internet  connection  authentication.  In  this  case,  you  will  be 
provided with a valid MAC address, simply enter such MAC in the 
WAN  MAC  Address  field.  If  you  unfortunately  forget  it,  consult 
your ISP for help.     
 
  WAN  MAC  Address:  Displays  device's  current  WAN  MAC 
address, you can manually change it. 
  Restore to Factory Default MAC: Click it to restore router’s 
WAN MAC to factory default value. 
  Clone  MAC:  Click  to  copy  your  PC’s  MAC to  device’s  WAN 
MAC Address field.