Once and for all COMPLETE Offbridge Port setup

Which are not-so-casually steps x1 and x2, swiftly followed by this text intermission:

actually red in the original post to give it more visibility.

In Winbox the device will be detected, it’s MAC will be visible and the IP will come out as 0.0.0.0.0, and you can connect to the device clicking on the MAC.

And of course there is a link to:
Why you should use Winbox