yes, I have two cameras added after onvif with their fixed IP addresses: i.e.:
1 NVR (its static IP address to: 192.168.1.40): first camera: 192.168.1.30,
second camera: 192.168.1.31,
2 NVR (its permanent IP address: 192.168.1.41):
first camera: 192.168.1.30,
second camera: 192.168.1.31...