Hello,

Very likely you are monitoring plain NetFlow traffic without interpreting its 
contents. Please, refer to this resource for proper setup: 
https://www.ntop.org/nprobe/why-nprobejsonzmq-instead-of-native-sflownetflow-support-in-ntopng/
 
<https://www.ntop.org/nprobe/why-nprobejsonzmq-instead-of-native-sflownetflow-support-in-ntopng/>


Simone

> On 4 Feb 2018, at 15:12, Joni Lee <nok...@hostinginside.com> wrote:
> 
> Hello,
> 
> Is there any documentation for this ?
> 
> I am using Cisco ASR 1001-X and already setup flow exporter, record and 
> monitor in my router. On other side ntop + nprobe also setup. Now, I only saw 
> only one flow from router to ntop+nprobe machine for example a.b.c.d:port => 
> x.x.x.x:2055 (Netflow).
> 
> -- 
> Sincerely,
> Joni Lee
> Office: +886(4)2311-7977
> Mobile: +886-970-576-524
> HostingInside LTD. / 鷹式特網有限公司 / AS134522
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