Jon
We fixed this bug last week. What version of nProbe are you using?
Luca


Sent from my iPad (sorry for typos)

> On 03/feb/2014, at 23:06, Jon Bayless <[email protected]> wrote:
> 
> 
> OK Great! That has made a big difference. I am now getting flows into ntopng 
> this way.
> 
> One strange thing I have encountered. If I start nprobe and give it the 
> daemonize option, it no longer works.
> This command on the command line works:
> 
> /usr/local/bin/nprobe --zmq tcp://*:5556 -i none -n none -b 2 -3 2055
> 
> This doesn't:
> 
> /usr/local/bin/nprobe --zmq tcp://*:5556 -i none -n none -b 2 -3 2055 -G
> 
> When I give the -G flag, it says it is becoming a daemon. Then I start ntopng 
> with this command:
> 
> /usr/local/bin/ntopng -i tcp://127.0.0.1:5556 -e
> 
> Ntopng starts and the web interface loads but it always says 'no packet has 
> been received yet'. Does the -G imply some other change in the functionality 
> besides just running as a daemon?
> 
> Thanks
> 
> 
>> On 2/3/2014 12:53 PM, Luca Deri wrote:
>> 
>>> On 03 Feb 2014, at 19:27, Jon Bayless <[email protected]> wrote:
>>> 
>>> If I change the nprobe syntax to:
>>> 
>>> nprobe --zmq "tcp://*:5556" -i eth0 -n none -b 2’
>> 
>> This command is good for turning packets into flows. If you want to collect 
>> flows (let’s say on port 2055) and forward them to ntopng do
>> 
>> nprobe --zmq "tcp://*:5556" -i none -n none -b 2 -3 2055
>> 
>> Cheers Luca
>> 
>>> 
>>> I start receiving a lot of command line output about New Flow and Emmiting 
>>> Flow but still don't see the actual netflow data from the routers being 
>>> processed. I can see it coming into the nprobe software though. 
>>> 
>>>> On 2/1/2014 8:28 AM, Luca Deri wrote:
>>>> Jon,
>>>> the correct syntax is describe here 
>>>> https://svn.ntop.org/svn/ntop/trunk/ntopng/README.ntopng
>>>> 
>>>> - collector
>>>>   ntopng -i tcp://127.0.0.1:5556
>>>> 
>>>> - probe (nProbe)
>>>> nprobe --zmq "tcp://*:5556" -i ~/pcap/http.pcap -n none -b 2
>>>> Luca
>>>> 
>>>>> On 31 Jan 2014, at 18:15, Jon Bayless <[email protected]> wrote:
>>>>> 
>>>>> Hi! I've successfully installed Ntopng on a Centos 6.5 x86_64 server and 
>>>>> the new web interface is very nice. It looks very impressive so far. I am 
>>>>> hoping to use the software to display and analyze netflow data 
>>>>> exported/sent by Cisco Catalyst 6500 series layer 3 switches. Currently 
>>>>> we have flows sent from those switches going into jkflow/flowscan on 
>>>>> other linux servers and it works nicely but there is no interface beyond 
>>>>> the manual RRDtool graphs we build from the data to show basic in and out 
>>>>> byte counts.
>>>>> 
>>>>> I understand that nprobe must be used as the netflow collector running on 
>>>>> the server with ntopng and I have tried to find good documentation on 
>>>>> what settings to use to do so. The best I have been able to do is see a 
>>>>> number of packets and connections from the switches in question in the 
>>>>> hosts display and flows. It shows it has received roughly 1.5GB of data 
>>>>> from each of the 2 routers I have sending to it but the data itself 
>>>>> doesn't seem to be processed by nprobe or ntopng.
>>>>> 
>>>>> The command I have used to start nprobe currently is:
>>>>> 
>>>>> nprobe --zmq "tcp://127.0.0.1:5556" -i none -n none -V 5 --collector-port 
>>>>> 2055
>>>>> 
>>>>> But I have tried a few other suggestions on other websites. What command 
>>>>> should I use if I just want the server to accept inbound netflow flows 
>>>>> from the routers I point at it and then put the flow data into ntopng?
>>>>> 
>>>>> Thanks
>>>>> 
>>>>> Jon
>>>>> _______________________________________________
>>>>> Ntop-misc mailing list
>>>>> [email protected]
>>>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc
>>>> 
>>>> 
>>>> 
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