...
When activated, the agent will connect to the configured port and start listening for incoming packets from the routers. Each received packet will be unpacked into one or several flow records. Based on the information in the flow record, the agent will create and populate one of the standard NetFlow UDR types available in and available and forward the UDR into the workflow. If the agent fails to unpack or read the packet/ flow record, it will silently be removed from the stream.
...