You can apply two strategies:
Use the dongle
Don't use the dongle
Option 1 is what you're trying. For it to work you need to use an IP network that doesn't overlap your 10.0.1.0/24, such as 192.168.50.0/24. Assign your dongle and NAS an IP from this ...
There is an image with my reply of the list of REST API convenient for adding a bare metal in UCS Director. Consult from it. https://www.1000ftcables.com