The NVR is ONVIF-compliant.
I have everything checked: RTMP, HTTP, HTTPS, RTSP, ONVIF - might that cause any problems?
It's set to AutoDNS by default. I set it to StaticDNS - same settings as the NVR. Does that sound correct?
Subnet Mask: 255.255.255.0
Gateway: set to the same as to router - but...