Can anyone confirm:

- If a single interface license is free'd up if it is set to 'unmanaged' in NFA?

- Does NFA behave any differently if an interface has been set to 'unmanaged' and NetFlow is still enabled on it?

- If it's possible to monitor the ingress/egress traffic on a switch/router where 2 interfaces exist, but only 1 is set to 'managed'? 

- If NFA interface licenses have to be purchased for Cisco routers/switches considering that NetFlow is a proprietary network protocol developed by Cisco themselves?

Thanks in advance for any feedback! 

Rash.