Enable netflow version 9 exports on FreeBSD
/usr/sbin/ngctl -f- <<SEQ
mkpeer lagg0: netflow lower iface0
name lagg0:lower netflow
connect lagg0: netflow: upper out0
mkpeer netflow: ksocket export9 inet/dgram/udp
msg netflow:export9 connect inet/192.168.0.1:9998
SEQ