5.11 Cisco IOS and Nexus

Cisco IOS and Nexus v5/v9/ipfix
configure terminal
ip flow-export destination $NFA-IP $flow_port (default 2055)
ip flow-export version [5,9,ipfix] peer-as
ip flow-export source $source_interface/ip
ip flow-export template refresh-rate 60
ip flow-export template timeout-rate 1
interface $interface_name
ip flow ingress
ip flow egress
(if the interface sourcing the flow is placed in a VRF, you need to specify the vrf as well)
ip flow-export destination $nfa_ip $flow_port vrf $vrf_name