[mrtg] Re: Peak Traffic values
simon at mtds.com
Mon Feb 3 17:02:02 MET 2003
03-Feb-03 at 14:00, paulo.prista (paulo.prista at uol.com.br) wrote :
> I would like to know if it is possible to measure peak
> values with MRTG.
> We are experiencing some delays when using remote queries.
> My intention is to see if the data needed to these queries
> takes all the bandwith avaiable or not.
> As Cisco measures 5 minutes intervals, we do not have
> something like an instantaneous measure, or a peak value.
MRTG reads information given to it.
A Cisco usually keeps counters. MRTG reads the difference between two
counters at an interval of 5 minutes, and calculates the amount of bps
according to that.
Have a look at this:
By default the graphs only contain the average values of
the monitored variables - normally the transfer rates for
incoming and outgoing traffic. The following option
instructs mrtg to display the peak 5 minute values in the
[w]eekly, [m]onthly and [y]early graph. In the example we
define the monthly and the yearly graph to contain peak as
well as average values.
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