• Rising threshold—The value at which the Cisco Nexus device triggers a rising alarm or resets a falling
alarm.
• Falling threshold—The value at which theCisco Nexus device triggers a falling alarm or resets a rising
alarm.
• Events—The action that the Cisco Nexus device takes when an alarm (rising or falling) triggers.
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 does 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:
• 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 can specify a different even for a falling alarm and a rising alarm.
Configuration Guidelines and Limitations for RMON
RMON has the following configuration guidelines and limitations:
• You must configure an SNMP user and a 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.
Configuring RMON
Configuring RMON Alarms
You can configure RMON alarms on any integer-based SNMP MIB object.
Cisco Nexus 3548 Switch NX-OS System Management Configuration Guide, Release 7.x
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Configuring RMON
RMON Events
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