Re: Filter time series charts

Hi Gerard,

If you need installation/configuration assistance please contact us 
privately.

Emanuele

On 1/16/19 2:31 PM, Gerard Beekmans wrote:
> Thank you, I will give that a try.
>
> Any thoughts on the other emails I sent yesterday? Maybe this isn't 
> the best place to use up the 5 days of included installation support 
> that comes with activating the licenses?
>
>
>
> Thanks,
> Gerard
>
>
> -------- Original message --------
> From: Emanuele Faranda <[email protected]>
> Date: 1/16/19 03:14 (GMT-07:00)
> To: [email protected]
> Subject: Re: [Ntop] Filter time series charts
>
> Hi Gerard,
>
> Right now, this is how you can implement the view you request:
>
>  - If the networks are not spread across multiple collectors and are 
> some defined set, you can define local networks globally to get charts 
> by local networks: 
> https://www.ntop.org/guides/ntopng/basic_concepts/hosts.html#local-hosts .
>
>  - You can also group hosts by local network, ip address or mac 
> address on a collector interface basis by the means of "Host Pools". 
> Please check out 
> https://www.ntop.org/guides/ntopng/web_gui/hosts.html#host-pools . You 
> will need to enable Host Pools timeseries generation in order to see 
> the charts.
>
> Please note that currently in ntopng the charts/report information is 
> not generated "on demand" but rather it is precomputed periodically 
> during the monitoring. This means that you can't currently apply a 
> dynamic filter like subnet filter on the charts page. However, we have 
> implemented a new flow database storage which would allow us to be 
> more dynamic on such kind of queries, although we still have to 
> evaluate the possible drawbacks of such a dynamic approach.
>
> Regards,
>
> Emanuele
>
> On 1/15/19 6:41 PM, Gerard Beekmans wrote:
>>
>> Hi,
>>
>> When I get the data issues ironed out (see previous thread), I am 
>> also having a hard time how to actually create the kinds of reports 
>> we need.
>>
>> The Netflow traffic received by nprobe is aggregate traffic 
>> consisting of traffic from all our remote locations, showing each 
>> individual device inside those LANs.
>>
>> The type of graph shown when going to Interfaces -> Netflow collector 
>> interface -> historical chart page is exactly what I need to see, but 
>> it needs to be filtered by subnet so I can see traffic belonging to 
>> just that group of hosts.
>>
>> I canÂ’t use the Hosts -> Hosts overview because this shows me the 
>> individual computers at the remote locations. We donÂ’t use NAT so 
>> there isnÂ’t a single host entry that corresponds to their routerÂ’s 
>> WAN interface. Also, hosts donÂ’t seem to have a historical timeseries 
>> type chart like Interfaces does. The pie chart on a hostÂ’s Protocols 
>> page isn’t useful – we need the graphs according to time of day. The 
>> Protocols page does have a link at the very bottom to a historical 
>> reports page (host.details.lua?host=IP&page=historical) but those 
>> pages are blank. Maybe this needs to be enabled somewhere but I 
>> havenÂ’t found the setting yet.
>>
>> I tried using the “Traffic Report” as well but all it lets me specify 
>> is interfaces and protocols as filters. What I miss is the ability to 
>> add subnets to drill down to specific locations only.
>>
>> Is any of this possible with ntopng or am I trying to make it do 
>> something that itÂ’s not designed to do?
>>
>> Thanks,
>>
>> Gerard Beekmans
>> Sr. Network Engineer
>> First Nations Technical Services Advisory Group Inc.
>> Phone: 780-638-2739
>> Fax: 780-483-8632
>> Helpdesk: 1-888-999-3356
>> Email: [email protected] <mailto:[email protected]>
>>
>> Santa Fe Plaza
>> 18232 - 102 Avenue NW
>> Edmonton, AB T5S 1S7
>> http://www.tsag.net <http://www.tsag.net/>
>>
>>
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