The MAC address in the interface a hardware number. It is assigned to an Ethernet card by the IEEE, and is set in hardware. There is a way to update the number if you are able to reprogram an EEPROM, provided the number is actually stored on an EEPROM...
The MAC address in the interface a hardware number. It is assigned to an Ethernet card by the IEEE, and is set in hardware. There is a way to update the number if you are able to reprogram an EEPROM, provided the number is actually stored on an EEPROM...