Owner:
Enter the name of the device or user that defined the entry.
Operation:
Click “Edit” to edit the event group entry.
15.3.3
Alarm
On this page, you can configure Statistic Group and Alarm Group for RMON.
Choose the menu
SNMP → RMON → Alarm
to load the following page.
Figure 15-12 Alarm Config
Configuration Procedure:
1)
Specify the index number of the alarm group, choose a variable to be monitored, and
associate the entry with a statistics entry.
2)
Set the sample type, the alarm type, the rising and falling event action and the
corresponding threshold of the entry. Enter the alarm interval time.
3)
Enter the owner name.
4)
Click
Create
.
Entry Description:
Index:
Displays the index number of the entry.
Variable:
Select the alarm variables from the drop-down list.
Statistics
Select the RMON statistics entry from which we get the value
of the selected alarm variable.
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.
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