Thanks, should I generate the pcap file with the --dump-pkts parameter? I suspect with -i none that there will be nothing dumped, but I'll check.
Sent from my iPad > On 17 Aug 2016, at 6:54 PM, Luca Deri <[email protected]> wrote: > > Peter > please file an issue on https://github.com/ntop/nProbe/issues and attach a > pcap file. I need to see what nprobe is receiving before commenting. Please > make sure you also add “-i none” > > Thanks Luca > >> On 17 Aug 2016, at 04:17, Peter Shute <[email protected]> wrote: >> >> I still haven't made any progress with this. I've now installed Wireshark, >> and followed these instructions to prove to myself that the NetFlow data is >> arriving at my PC: >> https://communities.ca.com/docs/DOC-231149629 >> >> So why does this command collect no data? >> nprobe /c -i none -n none --collector-port 9996 -V9 -P c:\temp\nprobe >> >>> -----Original Message----- >>> From: [email protected] [mailto:ntop-misc- >>> [email protected]] On Behalf Of Peter Shute >>> Sent: Monday, 15 August 2016 4:00 PM >>> To: '[email protected]' <[email protected]> >>> Subject: [Ntop-misc] Collecting NetFlow data with nprobe >>> >>> Our ISP has configured several internet routers to send NetFlow data on port >>> 9996 to a particular machine. I have successfully configured PRTG to get the >>> data to see lists of top recipients, etc, so I know this machine is >>> receiving the >>> NetFlow data ok, but it doesn't store the flows for later analysis, so I've >>> disabled it. How do I configure nprobe to get the flow into a file I can >>> analyse? >>> >>> I'm confused about which mode nprobe needs to be used in to collect the >>> data. I've tried this: >>> nprobe /c --collector 192.168.0.203:9996 -V9 -P c:\temp\nprobe but it seems >>> to be collecting local traffic. In among it, I can see that there are flows >>> from >>> the router to this machine on port 9996. What I need is the flow information >>> inside those packets. >>> >>> I tried this: >>> nprobe /c -i none -n none --collector-port 9996 -V9 -P c:\temp\nprobe but it >>> collects nothing. >>> >>> Where am I going wrong? I'm not sure if I usderstand the differences >>> between probe mode, collector mode and proxy mode. I need collector >>> mode, don't I? >>> >>> Peter Shute >>> _______________________________________________ >>> Ntop-misc mailing list >>> [email protected] >>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >> _______________________________________________ >> Ntop-misc mailing list >> [email protected] >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc _______________________________________________ Ntop-misc mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-misc
