We have a new ongoing installation of about cameras that's probably going to end up in the 110 or so cams since the max on the NVR is 128. I am not doing the install but I work on the IT side, I set up a different network for the cams so our internal network doesn't get bogged down by cam traffic. Anyways, there were about 30 or so devices that went online initially, they connected fine and after a few more came online, some of the existing ones dropped off with the Network Abnormal message under configuration. I tracked this down to IP conflict, I believe all the cameras are configured with DHCP off but still got assigned an IP address. I had to use the SADP tool to do some detective work and get the other cameras back online. Long story short, should I set all the non-dhcp ones to dhcp to avoid this issue when the other devices get added again.