Re: [c-nsp] Netflow vs SNMP

Saku Ytti via cisco-nsp <[email protected]> Mon, 2 Oct 2023 14:41:16 +0300

Newsgroups	gmane.network.nsp.cisco
Message-ID	<CAAeewD8t8fEfwT6jXicGgR_U5C8_qut+-O9x2+rJtXNrrgC9nQ@mail.gmail.com>

On Mon, 2 Oct 2023 at 13:22, Dobbins, Roland via cisco-nsp
<[email protected]> wrote:

> cache timeout inactive 15
> Kentik recommends 15s:
>
> This is an old, out-of-date recommendation from Cisco should be retired.
>
> 5s is plenty of time for inactive flows.

What is the basis for this recommendation? With 1:10k or 1:1k, either
way you'll have 1 packet per cache item. So 15, 5, 1, 0 would allow an
equal amount of cache row re-use, which is none.

--
  ++ytti
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