Cacti measures layer 2 traffic via snmp. NFSEN measures layer 3 traffic.
NFSEN and NFDUMP should return the same values for exactly the same query.
NFSEN runs NFDUMP in background.
On Mon, Jun 5, 2017 at 7:06 PM, Robson Ramos Barreto <
robson.rbarr...@gmail.com> wrote:
> Hi all
>
> I have successfully installed nfsen/nfdump and it's receiving the flow
> exports from my router.
>
> First of all, my goal is monitoring the flow for automated monthly
> bandwidth billing purpose and I would appreciate your recommendation to get
> this purpose using nfsen/nfdump/plugins.
>
> On the other hand, I thought about using the nfdump command into a shell
> script specifying a time windows start/end of each month and return some
> crontab alerts.
>
> At this point, I got some divergence of data comparing Cacti/nfsen/nfdump,
> e.g:
>
> timeslot Jun 02 2017 - 11:55 - Jun 02 2017 - 15:50
> cacti: 650G
> nfsen: 617G
> nfdump: 575G
>
> The nfdump commando I have used:
>
> # /opt/nfdump/bin/nfdump -M /opt/nfsen/profiles-data/test/test -T -R
> 2017/06/02/nfcapd.201706021155:2017/06/02/nfcapd.201706021550 -s
> record/bytes |awk -F":" '/total bytes/ {print $4}' | cut -d, -f1 | numfmt
> --to=iec
> 575G
>
>
> Any help would be greatly appreciated
>
> Thank you
>
>
>
>
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