Cisco Catalyst 4500 Series Command Reference Manual page 387

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
ip route-cache flow
Examples This example shows how to enable NetFlow switching on the switch:
Switch# config terminal
Switch(config)# ip route-cache flow
Switch(config)# exit
Switch#
Note This command does not work on individual interfaces.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0SG and IOS 15.1(1)SG)
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