flow analysis for juniper devices

Paolo Lucente pl+list at pmacct.net
Sun Nov 14 09:12:23 CST 2010


On Sun, Nov 14, 2010 at 09:04:36AM -0500, Jared Mauch wrote:
> 
> On Nov 14, 2010, at 3:59 AM, Paolo Lucente wrote:
> 
> > OTOH it would be nice to see one day those NetFlow v9 MAC address fields
> > populated on higher-grade boxes, say, to facilitate analysis of public
> > peering at internet exchanges ...
> 
> This can be done with mac accounting in your platform.  It may require ordering the right PIC in this case, but is easy to collect that data.

MAC accounting is not a solution, except for basic things, for at
least two reasons: 1) it is coarse-grained and 2) its segregation
from flow accounting prevents having all the eggs in one basket.

Cheers,
Paolo





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