Rmon Events - Cisco nexus 5000 series Cli Configuration Manual
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- Configuration manual (334 pages) ,
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Configuration Guidelines and Limitations
S e n d f e e d b a c k t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
When you create an alarm, you specify the following parameters:
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Use the hcalarms option to set an alarm on a 64-bit integer MIB object.
Note
For example, you can set a delta type rising alarm on an error counter MIB object. If the error counter
delta exceeds this value, you can trigger an event that sends an SNMP notification and logs the rising
alarm event. This rising alarm will not occur again until the delta sample for the error counter drops
below the falling threshold.
The falling threshold must be less than the rising threshold.
Note
RMON Events
You can associate a particular event to each RMON alarm. RMON supports the following event types:
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You can specify a different even for a falling alarm and a rising alarm.
Configuration Guidelines and Limitations
RMON has the following configuration guidelines and limitations:
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Configuring RMON
This section includes the following topics:
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
1-2
MIB object to monitor
Sampling interval—The interval that the Cisco Nexus 5000 Series switch uses to collect a sample
value of the MIB object.
The sample type—Absolute samples take the current snapshot of the MIB object value. Delta
samples take two consecutive samples and calculate the difference between them.
Rising threshold—The value at which the Cisco Nexus 5000 Series switch triggers a rising alarm or
resets a falling alarm.
Falling threshold—The value at which the Cisco Nexus 5000 Series switch triggers a falling alarm
or resets a rising alarm.
Events—The action that the Cisco Nexus 5000 Series switch takes when an alarm (rising or falling)
triggers.
SNMP notification—Sends an SNMP risingAlarm or fallingAlarm notification when the associated
alarm triggers.
Log—Adds an entry in the RMON log table when the associated alarm triggers.
Both—Sends an SNMP notification and adds an entry in the RMON log table when the associated
alarm triggers.
You must configure an SNMP user an notification receiver to use the SNMP notification event type.
You can only configure an RMON alarm on a MIB object that resolves to an integer.
Chapter 1
Configuring RMON
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Troubleshooting
