There was previously a script that could be run to set up the second NIC as a control subnet. I used this in one conference room and had a lot of issues that True Blue ended up having to fix. Went to try the script in a second conference room and the answer ID had disappeared. True Blue told me they took it down because it was causing a lot of issues and needed to be recreated and tested. So for the time being just static the second NIC for control.?