Specifying the Activity Timer

Use the ip flow-cache timeout active command to specify a value for the activity timer. The activity timer measures the amount of time that the virtual router has been recording a datagram for a given flow. When this timer expires, the virtual router exports the flow cache entry from the cache and removes the entry. This process prevents active flows from remaining in the flow cache, and allows collected data to appear in a timely manner. The possible range for the activity timer value is 1 – 60 minutes. The default value is 30 minutes.

ip flow-cache timeout active

• Use to define the activity timer, in minutes.
• Example

  host1(config)#ip flow-cache timeout active 50

• Use the no version to return the activity timer to its default value (30 minutes).
• See ip flow-cache timeout.

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