The Net5400 series MCE comes up with a "udhcp: Received DHCP NAK" error when it boots up
Pelco Cameras, Pelco Video Management
Sarix base NET5400 series encoders
This error can happen when there is a more than one DHCP server on the network, it has been seen when an encoderwork is connected to a network that has a computer or server other then the main DHCP server and it has a DHCP server turned to on.
Make sure there is not more then one DHCP type server on the network.