Re: Problems migrating from netflow to sFlow: results are low

From: Christian Hammers <>
Date: 08/16/05
Message-ID: <>


> On Wed, Aug 10, 2005 at 10:05:15AM -0700, neil mckee wrote:
> > 1. Most Foundry switches only sample inbound traffic on an
> > interface, so if you only enabled sflow on the uplink then you are
> > probably only seeing the traffic in one direction.
> That is not the case with the FastIron Edge series, which I could verify.

Just for the archives,
I'm now testing against the Foundry NetIron/JetCore switch that we are
planning use in production and this switch, which only samples input data
like the Ciscos with their netflow, produces quite usable data (+-10% at



Christian Hammers             WESTEND GmbH  |  Internet-Business-Provider
Technik                       CISCO Systems Partner - Authorized Reseller
                              L|tticher Stra_e 10      Tel 0241/701333-11                D-52064 Aachen              Fax 0241/911879
Received on Tue Aug 16 03:26:37 2005

This archive was generated by hypermail 2.1.8 : 08/16/05 PDT