[161419] in North American Network Operators' Group

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Re: traffic accounting

daemon@ATHENA.MIT.EDU (Mark Tees)
Tue Mar 12 17:32:22 2013

In-Reply-To: <85238DCF-A0EB-45BF-B7C0-3E93E85729D2@arbor.net>
From: Mark Tees <marktees@gmail.com>
Date: Wed, 13 Mar 2013 08:14:23 +1100
To: "Dobbins, Roland" <rdobbins@arbor.net>
Cc: "nanog@nanog.org \(nanog@nanog.org\)" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

I guess if you are only counting bytes is possible to use firewall filters w=
ith counters? I guess it depends on how many match conditions vs lookup time=
 are acceptable?

Sent from some sort of iDevice.

On 13/03/2013, at 2:18 AM, "Dobbins, Roland" <rdobbins@arbor.net> wrote:

>=20
> On Mar 12, 2013, at 8:53 PM, Joe Abley wrote:
>=20
>> Can you use cflow/jflow/ipfix exports with 1:1 sampling on an MX480 witho=
ut an MS-DPC?
>=20
> I'm not a Juniper person, so I'm not sure; note however that a) MS-DPC is n=
ecessary for NetFlow v9 (which is required for IPv6, for example), and b) sa=
mpled NetFlow (i.e., not 1:1, but higher ratios) is widely used and accepted=
 in the industry.
>=20
> -----------------------------------------------------------------------
> Roland Dobbins <rdobbins@arbor.net> // <http://www.arbornetworks.com>
>=20
>      Luck is the residue of opportunity and design.
>=20
>               -- John Milton
>=20
>=20


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