interface Vlan502
 description IPCVPN
 ip route-cache flow

interface Vlan503
 description IPCVPN
 ip route-cache flow

interface Vlan504
 description IPCVPN
 ip route-cache flow





ip flow-export source Vlan502
ip flow-export source Vlan503
ip flow-export source Vlan504
ip flow-export version 5
ip flow-export destination 10.99.200.220 9993