HP TopTools - Manual (Page 86)

toptools user guide
As a network attribute reaches a certain threshold, a corresponding color (either green, yellow, or red) is used to
indicate the current state (normal, warning, or critical, respectively.) Changing the threshold ranges to better
represent your network's normal activity will be a relative decision based on trends you’ve identified. For example, a
normal threshold range for traffic utilization will vary from network to network, and segment to segment. It is
recommended that you use the default threshold values first and adjust them to fit the traffic patterns on your
network. By fine tuning the threshold levels, you can find the optimum operating conditions for each segment on
your network, which makes it easier to see problems as they occur.
To change your threshold settings, select a network type such as Ethernet. The threshold values for the attributes for
Ethernet segments are displayed. You can either move the sliders to the left or right to increase or decrease a
threshold value, or click on the up/down controls underneath the sliders to fine tune the threshold values. As you
move the sliders, these values will change accordingly. To save your changes, click on Apply at the bottom of the
Threshold window. The changes are applied to all segments of that type, for example, all Ethernet segments. When
you are finished making changes, click on OK to exit the window.
If you want to change the thresholds for a single segment, select the Segments tab at the top of the window. Select a
segment from the list box. The Thresholds window now reflects the attribute threshold values for that segment.
Click Apply to save any changes.
Initially, default values are in effect for all segment types. The Defaults button returns the threshold values for that
segment or segment speed to the original default values.
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Displaying the Network Meter
The Network Meter provides an "at-a-glance" look at the most severe traffic problem on the network being
monitored during the current minute. To launch the Network Meter, click on the Show Net Meter button below the
histogram on the Traffic Monitor page. Clicking the Show Worst 5 Segments button displays a window of the top
five thresholds that have been exceeded and the associated segments.