Hi,
You should use use option --sample-rate with '@' as you want nprobe to
rescale statistics from sampled packets but not to sample itself. In your
case this should work:
--sample-rate @10:1
See the help:
[--sample-rate|-S] <pkt rate>:<flow rate>
| Packet capture sampling rate and flow
| sampling rate. If <pkt rate> starts
with
| '@' it means that nprobe will report
| the specified sampling rate but will
| not sample itself as incoming packets
| are already sampled on the specified
| capture device at the specified rate.
Simone
On Tue, Feb 28, 2017 at 2:14 PM, Mikhael Chernogorsky <
[email protected]> wrote:
> Hi,
> I have this kind of configuration
>
> switches - erspan - [ Centos, nprobe --zmq-- ntopng]
>
> Everything is quiet good, but I dont understand scaling configuration.
>
> I have sampling rate 1/10 (on a swithces side)
>
> I set sampling rate to 10 for that nprobe interface
> but still have 1/10 bandwidth statistics everywhere
>
>
> Version: 2.5.170220 - Pro Small Business Edition
>
> Best,
> Michail
>
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