On 2/17/06, Burton Strauss <[EMAIL PROTECTED]> wrote: > WRT rrd, read docs/FAQ and the paper on this subject @ SourceForge. RRD are > persistent storage. > > Counts are accumulations since ntop 1st saw the host (or start of run for > per-interface items).
I've realised in a few instances, where the accumulated value decreasing. Any reason for this? > Stuff that are reported as rates always has an indication of such (bits/sec) > either in the column tag or directly associated with the number. (Well, if > there is one that ISN'T, it should be). > > ntop classifies send and received by host based on the two addresses in the > packet. For all of this, send and receive are handled separately - so it's > possible for a given packet to be accumulated 0, 1 or 2 times into a given > ASN. But does sent traffic = total traffic sent to that particular ASN ? and Received traffic = total traffic received from that particular ASN? > > -----Burton > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > Kanagaraj Krishna > Sent: Thursday, February 16, 2006 10:08 PM > To: [email protected] > Subject: [Ntop] Re: NTOP data analysis > > hi Mark, > I'm currently trying to setup ntop to study my organizations > traffic pattern using Netflow export (cisco and juniper). I've already > installed it, but have some doubts. As we know, under "Autonomous Systems > Traffic Statistics" there readings for ASN, hosts, data send(byte) and data > receive(byte). My questions are: > > - Are the values for data (send & receive), accumulated total over time > (ntop uptime) OR an average value at that time of period? I've realised that > over time the value can decrease for a particular ASN. > > - Does data send, means traffic towards a particular ASN and date receive > vice versa? > > - Can the captured data be saved and refered later using the browser? > Does the RRD database keeps traffic info after NTOP is shut? > > Thanks, > Kanagaraj Krishna > _______________________________________________ > Ntop mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop > > _______________________________________________ > Ntop mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop > _______________________________________________ Ntop mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop
