This is used to calculate packet rates that are different from
the value of Interval. RateCalculationInterval is an optional parameter
that defines the time interval (in seconds) in which the packet rate is
calculated. For example, if Interval is set to 600 seconds and
RateCalculationInterval is set to 60, statistics is dumped in every 600
seconds but packet rate shows the average amount of packets in 60 second
interval.
Calculated example: Amount of packets in Interval (600 s)
is 1000 pkts and RateCalculationInterval is one minute (60 s). (1000
pkts/10 min) * (60 s/min) / (600 s/10 min) = 100
pkts/min.
RateCalculationInterval defaults to 1 (packets per
second).
# We are interested in packets per minute
RateCalculationInterval 60