You can perform Cisco NGA 3240 configuration using the following steps:
flow collector NFACollector
address {NETFLOW_SERVER_IP}
transport udp destination-port {NETFLOW_SERVER_LISTENER_PORT}
exit
flow exporter NFAExporter
version IPFIX
template-period 20
option-period 30
destination NFACollector
exit
flow record ipv4 NFARecord
collect counter packets
collect counter bytes
collect ip max-ttl
collect ip min-ttl
collect timestamp sys-uptime first
collect timestamp sys-uptime last
collect transport tcp flags
match datalink mac-source
match datalink mac-destination
match datalink ethertype
match input-interface
match output-interface
match destination
match source
match ip protocol
match transport destination-port
match transport source-port
exit
flow monitor NFAMonitor
exporter NFAExporter
record NFARecord
cache size 40
exit
flow monitor NFAMonitor enable