• Start ntop and nprobe services

ntopng -i tcp://127.0.0.1:5556 -d /var/tmp -w 3000 -v >> /dev/null &

nprobe --collector-port 6343 --zmq tcp://127.0.0.1:5556 >> /dev/null &

  * Cisco sflow

(config)sflow enable
(config)sflow destination ip_address port #ex 10.1.1.1 6343
(config)sflow polling-interval 1
(config)sflow sample 1024

activate sflow forwarding on the ports

(config)#interface ethernet 1/6
(config-if-e1000-1/6)#sflow forwarding