Choose the menu SNMP→RMON→Alarm Config to load the following page.
Figure 13-11 Alarm Config
The following entries are displayed on this screen:
Alarm Table
Select the desired entry for configuration.
Displays the index number of the entry.
Select the alarm variables from the pull-down list.
Select the port on which the Alarm entry acts.
Specify the sampling method for the selected variable and
comparing the value against the thresholds.
• Absolute:
Compares the values directly with the thresholds
at the end of the sampling interval.
• Delta:
Subtracts the last sampled value from the current
value. The difference in the values is compared to the
threshold.
Enter the rising counter value that triggers the Rising Threshold
alarm.
g Event:
Select the index of the corresponding event which will be
triggered if the sampled value is larger than the Rising
Threshold.
Enter the falling counter value that triggers the Falling Threshold
alarm.
Select th
e index of the corresponding event which will be
triggered if the sampled value is lower than the Falling
Threshold.
Specify the type of the alarm.
• All:
The alarm event will be triggered either the sampled
value exceeds the Rising Threshold or is under the Falling
Threshold.
• Rising:
When the sampled value exceeds the Rising
Threshold, an alarm event is triggered.
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