Hi, On Wed, Apr 5, 2017 at 12:55 PM, Simon Bell <s.b...@node4.co.uk> wrote:
> Hi Simone, > > > > Removing the –V from the nprobe configuration has fixed all the historical > flows, > I'm glad the suggestion helped > I assumed it was needed because of (and 2.4 seemed to require it?): > > > > 05/Apr/2017 11:06:07 [nprobe.c:8197] Please use -V to set the version to > other than NetFlow V5 > > > > And we are running IPFIX on some and netflow v9 on others. > nProbe is able to transparently harmonize the different versions > > > Also an interesting change between 2.4 build and 2.5 is that our bandwidth > util is way off. In 2.4 the commands: > > > > --collector-sample-rate 2000 --sample-rate @40:1 > > > > Were enough to get the traffic levels to match SNMP bandwidth util. In 2.5 > this isn’t the case and they are about 10% of 2.4 and real levels. > > > > Any idea how I can rectify this? > --collector-sample-rate: scales up netflow sent/received bytes/packets. In other words IN_BYTES, IN_PACKETS, OUT_BYTES, OUT_PACKETS will be multiplied by collector-sample-rate --sample-rate will sample packets (I don't think you need it as you are receiving netflow) and flows (I don't think you need this either as you want all the flows to be output) > > > Cheers > > > > Simon > > > > > Simon Bell > ------------------------------ > Core Network Architect > > ddi. *0845 123 2229* > t. *0845 123 2222* > e. *s.b...@node4.co.uk <s.b...@node4.co.uk>* *Wakefield Office* > Node4 Ltd, Pope Street, > Normanton, Wakefield, WF6 2TA > > > [image: Visit www.node4.co.uk] <http://www.node4.co.uk> > > [image: Visit www.node4.co.uk] <http://www.node4.co.uk> > [image: Visit Node4 on Twitter] <http://www.twitter.co.uk/Node4Ltd> > [image: Visit Node4 on Linkedin] > <https://www.linkedin.com/company/node4-ltd> > [image: Visit Node4 on Facebook] <http://www.facebook.com/Node4> > > > > > <http://www.node4.co.uk/blog/how-a-visit-to-cisco-inspired-the-node4-mobile-solution-centre/> > > > Node4 Limited is registered in England No: 04759927 and has its registered > office at Millennium Way, Pride Park, Derby, DE24 8HZ > The information contained in this email is confidential and is intended > for the exclusive use of the email addressee shown. > If you are not the addressee, any disclosure, reproduction, distribution > or other dissemination or use of this communication is strictly prohibited. > If you have received this mail in error, please notify our mail manager at > ab...@node4.co.uk and delete it from your system. > Opinions expressed in this email are those of the individual not the > company, unless specifically indicated to that effect. > ------------------------------ > This email has been scanned by Node4's Email Security System. > ------------------------------ > This email message has been delivered safely and archived online by > Mimecast. > > _______________________________________________ > Ntop mailing list > Ntop@listgateway.unipi.it > http://listgateway.unipi.it/mailman/listinfo/ntop >
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