NetFlow local cache size

When deploying NetFlow, each flow monitor has a cache that it uses to store all the flows it monitors. By default, the cache size accommodates 4096 entries, but can range from 16 to 1048576. This can be adjusted using the cache command.

Links:

https://www.cisco.com/c/en/us/td/docs/ios/fnetflow/command/reference/fnf_book/fnf_01.html#wp1324612