Cisco Nexus 7k Series device support NetFlow export from the device. Please configure the below commands in the configuration mode:
flow timeout active 60
flow timeout inactive 15
destination {NFA serverip Address}
transport udp 9996
source {Loopback interface or any L3 interface}
version 9
template data timeout 60
option exporter-stats timeout 60
option sampler-table timeout 60
mode 1 out-of 100
record netflow-original
exporter NFAexporter
Please apply the below flow monitor command to all the interfaces of the device and check on the issue:
ip flow monitor NFAmonitor input NFAsampler