Status and Statistics
Managing RMON
25
Cisco Small Business 300 Series Managed Switch Administration Guide
2
To enter RMON alarms:
STEP 1
Click
Status and Statistics > RMON
>
Alarms
. All previously-defined alarms are
displayed. The fields are described in the Add RMON Alarm page below. In
addition to those fields, the following field appears:
•
Counter Value—Displays the value of the statistic during the last sampling
period.
STEP 2
Click
Add.
STEP 3
Enter the parameters.
•
Alarm Entry
—Displays the alarm entry number.
•
Interface
—Select the type of interface for which RMON statistics are
displayed.
•
Counter Name
—Select the MIB variable that indicates the type of
occurrence measured.
•
Sample Type
—Select the sampling method to generate an alarm. The
options are:
-
Absolute
—If the threshold is crossed, an alarm is generated.
-
Delta
—Subtracts the last sampled value from the current value. The
difference in the values is compared to the threshold. If the threshold was
crossed, an alarm is generated.
•
Rising Threshold
—Enter the value that triggers the rising threshold alarm.
•
Rising Event
—Select an event to be performed when a rising event is
triggered. Events are created in the Events page.
•
Falling Threshold
—Enter the value that triggers the falling threshold alarm.
•
Falling Event
—Select an event to be performed when a falling event is
triggered.
•
Startup Alarm
—Select the first event from which to start generation of
alarms. Rising is defined by crossing the threshold from a low-value
threshold to a higher-value threshold.
-
Rising Alarm
—A rising value triggers the rising threshold alarm.
-
Falling Alarm
—A falling value triggers the falling threshold alarm.
-
Rising and Falling
—Both rising and falling values trigger the alarm.
