We can disable the ports on the CompactRIO with the same method that we use to disable Ethernet cards on a Linux Desktop. This is using the "ifconfig" command in the Terminal.
- Open NI-MAX on another computer and navigate to your cRIO.
- Under System Settings, click the box next to "Enable Embedded UI". You will now be able to connect a keyboard to your cRIO's USB port and access the Linux Command Line.
- Access the terminal as an admin and run the following commands:
>>
ifconfig ethX up>>
ifconfig ethX down Replace "X" with 0 or 1 to designate which port you'd like to change. "up" and "down" enable and disable the Ethernet ports.
Additional Information
One consideration you have to keep in mind is that the changes don't survive after a reboot.