1.0Jui-Nan Lin's Bloghttps://jnlin.orgjnlinhttps://jnlin.org/author/jnlin/<blockquote> # /usr/sbin/ngctl -f- <<-SEQ mkpeer fxp0: tee lower right connect fxp0: fxp0:lower upper left mkpeer fxp0:lower netflow right2left iface0 name fxp0:lower.right2left netflow msg netflow: setifindex { iface=0 index=5 } connect fxp0:lower netflow: left2right iface1 msg netflow: setifindex { iface=1 index=6 } mkpeer netflow: ksocket export inet/dgram/udp msg netflow:export connect inet/127.0.0.1:9991 SEQ </blockquote> rich