VXDIAG VCX SE DoIP DoNET Not Working Solution

Here comes a similar problem:
I got the VXDIAG VCX SE BMW, it works fine with ISTA, E-sys.
But the DoIP DoNET is not working, vx manager sees the dongle, but cannot see Itool radar or e-sys. Any advice?

DONET Remote Super Diagnosis is available for brands including Mercedes Benz, BMW, JLR Jaguar Land Rover, Toyota, Honda, Subaru, VW/ AUDI/Skoda/Seat, GM, Ford/ Mazda, Volvo.

For BMW, Benz, Porsche3 and JLR with DoIP protocol, DoNET is not working over DoIP.

DoNET Remote Diagnosis is not available for DoIP protocol. DoIP only supports local diagnostics.

Tutorial: VXDIAG DoIP device DONET Settings