Operation Manual

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14.3.3 Alarm Config
On this page, you can configure Statistic Group and Alarm Group for RMON.
Choose the menu SNMP→RMON→Alarm Config to load the following page.
Figure 14-12 Alarm Config
The following entries are displayed on this screen:

Alarm Table
Select:
Select the desired entry for configuration.
Index:
Displays the index number of the entry.
Variable:
Select the alarm variables from the pull-down list.
Port:
Select the port on which the Alarm entry acts.
Sample Type:
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.
Rising Threshold:
Enter the rising counter value that triggers the Rising
Threshold alarm.
Rising Event
:
Select the index of the corresponding event which will be
triggered if the sampled value is larger than the Rising
Threshold.
Falling Threshold:
Enter the falling counter value that triggers the Falling
Threshold alarm.
Falling Event:
Select the index
of the corresponding event which will be
triggered if the sampled value is lower than the Falling
Threshold.