Yes, different IP,s for every camera, other wise they would not show up at when I search to add, cameras.
I’ve gone as far as change ports, which many of them use the same,
80, 8080 for http mostly, other ports are used
I have an NVR N1016N no name brand XMEye recorder.
NBD8008R-PL. Software ver. V4.03.R11 345002.12001.130000.0000000
I have 7 cameras through network including the DB2 set up on it Onvif .
All cams record, PTZ’s functions, mobile view, rarely ever have an issue, everything functions accept that...