SCALE: multiple machines get the same MAC address for LACP interfaces

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Malcolm Scott 
May 24, 2022 at 1:51 PM

Thanks for tracking this down – I can confirm that your steps to manually regenerate the machine ID fix the problem for me.

Bug Clerk 
May 19, 2022 at 1:23 PM

Bug Clerk 
May 19, 2022 at 11:26 AM

Caleb 
May 19, 2022 at 11:12 AM

thanks for confirming my theory. I know what the problem is and will work on a fix. The linux kernel uses that id to generate unique mac addresses for virtual interfaces so it explains why all 3 of your machines got the same mac address.

However, the fix is relatively simple. You can run these commands on each node and then reboot them to ensure everything gets generated at boot using the new id.

1. "rm /var/lib/dbus/machine-id"
2. "rm /etc/machine-id"
3. "systemd-machine-id-setup"
4. "shutdown -r now" (reboot)

Once it comes up, all 3 machines should have different mac addresses. This change should be permanent as well.

Malcolm Scott 
May 18, 2022 at 9:05 PM

All three machines have the same machine-id somehow: b9bee86c6c6f406cb063ffac562cb342

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Katalon Platform

Created May 11, 2022 at 5:11 PM
Updated July 1, 2022 at 2:36 PM
Resolved May 19, 2022 at 1:24 PM