Well, no luck. You can have a quick look at the description of my struggles here: https://forums.ni.com/t5/Real-Time-Measurement-and/It-is-not-possible-to-synchronise-the-Linux-RT-ta...
I just plan to look for and get some used TSN hardware. At the moment I can't see any other way of getting these things to sync. It is all very frustrating as it turns out that NI sells equipment that does not do what it is supposed to do and what it promises to do.
