Cisco 500 series Administration Manual page 33

Viewing Statistics
Managing RMON
STEP 1
STEP 2
STEP 1
Cisco 500 Series Stackable Managed Switch Administration Guide
Viewing the RMON Events Logs
Event Log Table
The
Twotypes of events can be logged: Log or Log and Trap. The action in the event is
performed when the event is bound to an alarm (see the Alarms page) and the
conditions of the alarm have occurred.
Click Status and Statistics > RMON > Events. The Events page is displayed.
Click Event Log Table. The Event Log Table page is displayed.
This page displays the following fields:
• Event Entry No.—Event's log entry number.
• Log No.—Log number (within the event).
• Log Time—Time that the log entry was entered.
• Description—Description of event that triggered the alarm.
Defining RMON Alarms
RMON alarms provide a mechanism for setting thresholds and sampling intervals
to generate exception events on any counter or any other SNMP object counter
maintained by the agent. Both the rising and falling thresholds must be configured
in the alarm. After a rising threshold is crossed, no rising events are generated until
the companion falling threshold is crossed. After a falling alarm is issued, the next
alarm is issued when a rising threshold is crossed.
One or more alarms are bound to an event, which indicates the action to be taken
when the alarm occurs.
The Alarms page provides the ability to configure alarms and to bind them with
events. Alarm counters can be monitored by either absolute values or changes
(delta) in the counter values.
To enter RMON alarms:
Click Status and Statistics > RMON > Alarms. The Alarms page is displayed. All
previously-defined alarms are displayed. The fields are described in the Add
page displays the log of events (actions) that occurred.
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