(config)# sflow enable
(config)# sflow sample 512
(config)# sflow polling-interval 30
(config)# sflow destination 192.168.221.25 dest-udp-port 9999
(config)# interface eth 0/1/1 to 0/1/8
(config-mif-0/1/1-0/1/8)# sflow forwarding
