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Date:	Tue, 18 Dec 2007 10:56:20 +1030
From:	Glen Turner <>
To:	Flávio Pires <>
Subject: Re: Packet per Second

[Apologies for off-topic]

On Mon, 2007-12-17 at 11:18 +0000, Flávio Pires wrote:
> I alread though about something like this. But, isn`t NetFlow just for
> Cisco IOS ?

NetFlow is a trade mark of Cisco Systems Inc (USA).

Packets in the identical format used by NetFlow are produced by
a wide range of networking equipment, including a number of
Linux tools.  I've seen the Linux tools used in customer
networks but I've never evaluated them myself, which is why
I'm didn't make a recommendation of a particular tool for the

Because of the trade mark you'll often find NetFlow traffic
samplers under names other than NetFlow (eg, Juniper uses
"cflowd" as a synonym for NetFlow).  There is one exception:
sFlow is *not* identical to the NetFlow format.

If you want more information on ISP accounting tools, the NANOG
list is a more suitable forum.  The Cisco-NSP and Juniper-NSP
lists often host useful discussions too.  The archives of all
these lists are online.

Best wishes, Glen

Glen Turner   <>
Tel: 0416 295 857 or +61 416 295 857

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