Another screenshot from the PacketFence NAC tool. This is one of the most important tabs in the interface as here you actually configure the various services and systems for PacketFence. Shown is the Trapping configuration. As you can see, I have the trapping configuration set up to trap all IP addresses on my 192.168.1.0 network. All network addresses on that scheme will be fed through this gateway and are required to register with PacketFence before they can access the external network.