日志采用
set forwarding-options sampling input family inet rate 1000
set forwarding-options sampling input family inet max-packets-per-second 4500
set forwarding-options sampling output flow-inactive-timeout 15
set forwarding-options sampling output flow-active-timeout 60
set forwarding-options sampling output flow-server x.x.x.x port 9995
set forwarding-options sampling output flow-server x.x.x.x autonomous-system-type origin
set forwarding-options sampling output flow-server x.x.x.x source-address x.x.x.x
set forwarding-options sampling output flow-server x.x.x.x version 5
set forwarding-options sampling output interface sp-4/1/0 source-address x.x.x.x