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4 – Managing Switches
Configuring Alarms
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Q
6. Enter a value for the rising threshold. A rising threshold alarm is generated
when the event count exceeds the rising threshold. The switch will not
generate another rising threshold alarm for that event until the count
descends below the falling threshold and rises again above the rising
threshold. Consider the example in Figure 4-7.
Figure 4-7. Alarm Threshold Example
7. Enter a sample interval in seconds. The sample interval defines the period of
time in which to count events.
8. Check the Enable box to make the alarm eligible for use. Repeat steps 3
through 8 for each alarm you want to configure or enable. You must also
check the Enable All Alarm Thresholds box, which is the master control for
all alarm configurations.
9. Choose the OK button to save all changes.
Note: The switch will down a port if a rising threshold alarm is not
cleared after three consecutive sample intervals.
Rising
Threshold
Falling
Threshold
Event
Count
Sample Interval
Generate falling
threshold alarm;
eligibility is reset
Generate rising
threshold alarm;
eligibility ends
Generate rising
threshold alarm;
eligibility ends