In LANconfig you configure NetFlow/IPFIX under NetFlow/IPFIX.
in the section- NetFlow/IPFIX enabled
- Enable NetFlow/IPFIX on the device.
- Active-Flow-Timeout
- Defines the interval in seconds after a running data stream is exported via Netflow. This makes it possible to run longer sessions, e.g. to export large downloads at runtime. Subsequent traffic is classified as a new data flow, and the logging of the data traffic by the collector starts again. Possible values: 60–1800 seconds (0 turns the function off)