What is i211-AT? I only see i211 on my system. So maybe I should not set it to "Leave default" after all. I am currently travelling and won't be back for 2 months, so I will wait until I am home before updating to 22.7 and/or playing around with those settings...
I know that i211 is Intel, since I also have that NIC, but what I am saying is that I don't see the suffix -AT on my system. Neither in the UI, nor on the commandline.
but now I plan to abandon OPNsense after this debacle as it appears quality control is nonexsistent or lazy
I would rollback to a version prior to 22.7
The "assign the parent interface" requirement was introduced some time into the 21.7 or 22.1 release. I don't remember exactly. But anyone using VLANs and running 22.1.x should already have that!
Thanks for the advice, I will do this the moment I get home. As for the requirement, my installation goes back quite a few major releases, way before 22.1.x maybe even, and it was never requested to assign a parent interface and I can't believe I will be the only one.