[Flow-tools] Flow- Tools help on configuration.

[Eugene Ray]

Hi Uttam,

You cannot see *exact* traffic with flow sampling, and you can't have
Junipers exporting flows without some sampling (at least this is how it was
a year ago). But maybe you can bring it down to 1:50 or 1:30 depending on
your traffic. In any case you will get an estimated traffic, not exact.

If you are simply interested in more detailed reports than graphs, then sure
flow-tools will work for you. There are several different utilities that can
do different things, you probably can learn a lot from the man pages, while
you are trying to figure out what exactly you want to calculate/report.

Thanks,
Eugene



On Wed, Mar 3, 2010 at 10:56 PM, Uttam Shrestha Rana <
uttam.shrestha.rana at gmail.com> wrote:

> Dear All,
>
> I have configured(Juniper M10i) sampling traffic input on all the
> interfaces, and
> configured forwarding-option with max-packet per second 7000, rate 100 and
> run-length 0, means 1 packet out of 100. I am using RE based sampling. On
> the server side we are using flow-tool FlowScan as a data collector. In my
> view the router is exporting exactly as we have configured on the
> forwarding-option. But we want some what exact level ( our total BW as we
> can see on MRTG)
> traffic graph on flow-tool flowScan data collector. To do this I think
> there
> can be an option on flow-tool so it can calculate the exported data and
> show
> exact traffic.
>
> Is there any idea how ?? If provided some example on it then will be great
> help from excellence like you.
>
>
> Thank you,
>
> Regards,
> Uttam
>
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