How Do I Disable My Ethernet Ports on My Linux cRIO Controller?

Updated Sep 11, 2018

Reported In

Hardware

  • cRIO-9035

Software

  • LabVIEW Real-Time Module

Issue Details

I'd like to disable both of my Ethernet ports on my cRIO for security reasons. I can only disable my second Ethernet port.  How do I make sure I have both ports disabled?

Solution

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.

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Overview of Best Practices for Security on RIO Systems
 

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