Agilent Technologies J3972A Guía de usuario Pagina 488

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Historical Statistics
Using Baselines
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A large spread between low and high baselines indicates that the param-
eter fluctuates significantly over time.
High and low baselines are useful in determining what is normal for
your network which, in turn, helps you identify abnormal events. This
information is helpful when setting alarm thresholds, as discussed on
page 430.
You can specify a different confidence level with the pmReporter
command.
Cumulative Averages
In addition to low and high baselines, NetMetrix calculates cumulative
averages for each data set for the following statistics:
Ethernet Token Ring
Total Errors Utilization %
Utilization % Total Octets
Packets Beacon Events
Broadcasts Maximum Active Stations
Multicasts
Broadcasts + Multicasts
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