I am using dahua NVRs and they are separated network from The LAN nework in IPs range .
NVRs,cameras starts with: 172.16.16.1....200
LAN terminals, devices starts With:
192.168.1.1....200
Modem/router with:
123.124.125.1
DHCP Off
Now I want to understand what is the point of making the nvr...