After toggling that option, you must unfortunately restart Plasma (or logout and login) to see the effect.
I have reported this issue as a separate bug here: https://bugs.launchpad.net/ubuntu/+source/plasma-nm/+bug/1752741 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1637878 Title: Network Manager does not show VLANs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plasma-nm/+bug/1637878/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
