We have a Cisco ISR4321/K9 (v16.12.2s) in our lab. I noticed the following image on the management dashboard of the ISR.
We are collecting netflow from this system. Nbarv2 is enabled. Our goal is to collect the data above via telemetry. We checked the list of yangs supported on this platform using netconf xml api. Cisco-IOS-XE-flow-monitor-oper is listed. So we configured the following lines on the router: