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Defining RMON Alarms
The RMON Alarm Page contains fields for setting network alarms. Network alarms occur when a network
problem, or event, is detected. Rising and falling thresholds generate events.
To set RMON alarms:
1.
Click Statistics > RMON Alarm. The RMON Alarm Page opens:
Figure 141:RMON Alarm Page
The RMON Alarm Page contains the following fields:
•
Alarm Entry — Indicates a specific alarm.
•
Counter Name — Displays the selected MIB variable.
•
Interface — Displays interface for which RMON statistics are displayed. The possible field values are:
–
Port — Displays the RMON statistics for the selected port.
–
Trunk — Displays the RMON statistics for the selected trunk.
•
Counter Value — Displays the selected MIB variable value.
•
Sample Type — Defines the sampling method for the selected variable and comparing the value against the
thresholds. The possible field values are:
–
Delta — Subtracts the last sampled value from the current value. The difference in the values is
compared to the threshold.
–
Absolute — Compares the values directly with the thresholds at the end of the sampling interval.
•
Rising Threshold — Displays the rising counter value that triggers the rising threshold alarm.
Page 182
Viewing Statistics
Managing RMON Statistics
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