Configuring NetFlow Export from the Router
The following is a simple configuration stanza to enable NetFlow generation and export from a Cisco IOS 12.x router. Refer to your router documentation for software and platform-specific commands:
Router1(config)#ip route-cache flow Router1(config)#ip flow-export source Loopback 0 Router1(config)#ip flow-export destination 10.1.1.1 9999 Router1(config)#interface FastEthernet0/0 Router1(config-if)#ip route-cache flow
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