[108622] in North American Network Operators' Group
RE: Help needed - Cisco Netflow
daemon@ATHENA.MIT.EDU (Joe Loiacono)
Mon Oct 13 11:10:51 2008
In-Reply-To: <084962C061414240A0CDB4BE328A9B2D097FCBC294@GVW1100EXC.americas.hpqcorp.net>
To: "Lee, Steven (NSG Malaysia)" <kin-wei.lee@hp.com>
From: Joe Loiacono <jloiacon@csc.com>
Date: Mon, 13 Oct 2008 11:10:17 -0400
Cc: Julio Arruda <jarruda-cnsp@jarruda.com>,
"nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
"Lee, Steven (NSG Malaysia)" <kin-wei.lee@hp.com> wrote on 10/10/2008
01:20:30 PM:
> Does anyone aware of the sampled netflow accuracy?
If you mean how well you can extrapolate "real" numbers from "samples" by
multiplying by the inverse sample rate, my (initial and somewhat limited)
testing showed a surprising correlation. A pretty good first
approximation.
Joe
