Hi Simone,

Thank you again for your time.

We have defined the local network and also the correct adapter on the service. We now have usable current data. Though we do notice ntop does not seem to be capturing any local SMB traffic. So if we copy a large file from 1 PC to another on the same subnet it doesn't seem to show anywhere in ntop. I see an old reference to IP Mon section with local to local traffics in help guides but i cannot find any such data when making the file copy. Also no flows or devices represent the amount of data or speed we are transferring.

Small Business License: From looking it appears this is tied to the hardware? If we change the PC running ntop do we need to purchase another license? or just request a new key?

We want to use ntop on cheap a laptop for now until looking at embedded style devices.

Thank you

CTSG



Quoting Simone Mainardi <[email protected]>:

Hi, see below

On Thu, Jul 21, 2016 at 1:42 AM, <[email protected]> wrote:

Hi Simone,

Thank you for your time.

Thank you. We would like the best possible data from the capture so we
should at least check the outcome using nProbe.

We are using version 2.4.270616

I had a look through the interface to see if any configuration needed to
be pointed to local network. Can you advise what config you were referring
to please?


see option -m



If we would like to try nProbe using a Windows PC could you please provide
the install commands to get both services talking on the same required port
etc.


here is a good example
http://www.ntop.org/ntopng/creating-a-hierarchical-cluster-of-ntopng-instances/
there are just few small differences in the way you execute the command on
windows. This is documented in the manual.


Will only mainly be used off mirror ports on a single subnet with both
probe and ntopng on the same host. Rarely will we be looking at anything
more than a single switch and network when using ntopng.

Thank you again

CTSG





Quoting Simone Mainardi <[email protected]>:

Hi, please see below

On Wed, Jul 20, 2016 at 7:05 AM, <[email protected]> wrote:

Hi All,

We would like to use ntopng installed on a windows laptop connected to a
mirror port on a network switch to monitor and report on network traffic
to
determine issues across the network.

Using ntopng connected to a switch port with mirror configured; is nProbe
required?


it is not strictly necessary in your case. Provided that you don't need
deep packet dissection features (e.g., to dissect DNSm BGP, VoIP, etc),
then ntopng may suffice.


We appear to still get some flows shown in ntopng with nprobe removed but
i'm not positive the flow data is complete. Also I notice the interface
total bandwidth graph at the bottom of the pages is not displaying any
data.


- update ntopng to version >= 2.4
- make sure to define local networks in the configuration



Could someone please let us know the basic setup for a >Smart
Switch>?nprobe?>ntopng>Windows laptop.


if you are mirroring a switch port, then nprobe is not strictly necessary
provided that you don't need information extracted by nprobe plugins
http://www.ntop.org/products/netflow/nprobe/



Is nProbe only required when trying to source data from a netflow or
sflow
compatible router device?


this is just one case. nprobe is required also for deep traffic dissection
features. It is also useful to decouple monitoring from visualization. For
example, you can deploy multiple nprobes on the vantage points of your
network and collect their results on a remote ntopng.



Knowing the above intended use what would be the best install command for
either service please?




Thank you

CTSG



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