Specifying the Inactivity Timer

Use the ip flow-cache timeout inactive command to specify a value for the inactivity timer. The inactivity timer measures the length of time expired since the virtual router recorded the last datagram for a given flow. When this timer expires, the virtual router exports the flow cache entry from the cache and removes it. When, at a later time, another datagram begins that uses the same flow characteristics, the virtual router allocates a new flow cache entry, and the inactivity timer begins again. The possible range for the inactivity timer value is 10 – 600 seconds. The default value is 15 seconds.

ip flow-cache timeout inactive

• Use to define the inactivity timer, in seconds.
• Example

  host1(config)#ip flow-cache timeout inactive 90

• Use the no version to return the inactivity timer to its default value (15 seconds).
• See ip flow-cache timeout.

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