Ok. I'll open a new bug. It seemed to me this was the same issue underlying the gui code. Thank you for the cli example. I had that figured out using some other tools. But, I have some non-Cisco-phytes who struggle with cli level stuff but love ...
Probably should be reopened based on my experience. SF220-24 with Firmware 1.2.1.2 I cannot added IP address and subnet combo with anything you provided. Is there a format I am not following?