What is ip cache flow command?

What is ip cache flow command?

The show ip cache flow command displays the NetFlow accounting statistics. Use the clear ip flow stats command to clear the NetFlow accounting statistics.

How do I clear NetFlow cache?

clear ip flow stats

1. To clear the NetFlow switching statistics, use the clear ip flow stats EXEC command.
2. clear ip flow stats.
3. The show ip cache flow command displays the NetFlow switching statistics. Use the clear ip flow stats command to clear the NetFlow switching statistics.
4. show ip cache.

What is NetFlow timeout?

The cache-timeout setting on your device specifies the length of time for which the list of NetFlow top talkers (unaggregated top flows) is retained. It specifies the active flow timeout in seconds that is in range 1 – 604800 (7 days). By default, it is 30 minutes.

What is ip flow ingress Cisco?

The command ip flow ingress is issued to ensure that all flows passing through the router can be monitored regardless of direction. Traffic may be monitored in any direction, which makes options B, C, and D incorrect choices.”

How does Cisco NetFlow work?

NetFlow is a network protocol system created by Cisco that collects active IP network traffic as it flows in or out of an interface. The NetFlow data is then analyzed to create a picture of network traffic flow and volume — hence the name: NetFlow.

How do I disable NetFlow on my Cisco router?

You need to find ‘flow’ related commands and cancel them out with the ‘no’ command in front.

What is inactive timeout in flow cache?

Inactive Timeout: Flows that not active for a period of time (E.g. 15 seconds) should be exported from the flow cache. Do not forget to rate/mark useful answers.

What are the arguments to the show IP Cache flow command?

This command has no arguments or keywords. This command was introduced. You must have NetFlow accounting configured on your router before you can use this command. The show ip cache flow command displays the NetFlow accounting statistics. Use the clear ip flow stats command to clear the NetFlow accounting statistics.

How long can a flow stay in the cache?

In the following example, an active flow is allowed to remain in the cache for 20 minutes: In the following example, an inactive flow is allowed to remain in the cache for 10 seconds before it times out and is removed: Enables NetFlow (ingress) accounting for traffic arriving on an interface.

How does the cache timeout work in NetFlow?

The cache timeout starts after the list of top talkers is requested by entering the show ip flow top-talkers command or through the netflow MIB. A long timeout period limits the system resources that are used by NetFlow top talkers. However, the list of top talkers is calculated only once during the timeout period.