i.MX25 SODIMM PC Changing MAC Address

MAC address (indicated on the label of the module) is written in E-Fuses for permanently identifying modules. This page shows a possibility of changing its value using Barebox.

MAC address changing procedure

Stop autoboot and start editing the config file:

edit env/config

Scroll down to the last line where the current MAC address is defined:

Update the MAC address. To exit the editor and save the changes, press Ctrl + D:

Save the Barebox environment:

saveenv
reset

To check if the new MAC address was saved, cat env/config can be used to view the configuration file. Alternatively DHCP negotiation process shows the actual MAC of the device:

barebox@Voipac VMX25:/ dhcp