John, the network administrator and he wants to enable the NetFlow feature in Cisco routers to collect and monitor the IP network traffic passing through the router. Which command will John use to enable NetFlow on
To enable NetFlow on a Cisco router interface, the correct command is ip route-cache flow, which is entered in interface configuration mode. This command enables NetFlow switching on the specified interface. NetFlow is a feature that captures IP network traffic as it enters or exits an interface. By analyzing the data provided by NetFlow, a network administrator can determine things like the source and destination of traffic, class of service, and the causes of congestion1.
References: The information provided aligns with the Cisco documentation for configuring NetFlow on Cisco routers, which specifies the command to enable NetFlow on an interface1.
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