How events work
An event specifies whether a trap, a log, or a trap and a log is generated to view alarm activity.
When you enable RMON globally, two default events are generated:
• Rising Event
• Falling Event
The default events specify that after an alarm goes out of range, the firing of the alarm is tracked
in both a trap and a log. For example, after an alarm triggers at the rising threshold, the rising
event specifies that this information be sent to both a trap and a log. Likewise, after an alarm
passes the falling threshold, the falling event specifies that this information be sent to a trap
and a log.
Show environmental
The Show Environmental feature provides an enhancement that displays environmental
information, in either ACLI or EDM, about the operation of the switch or units within a stack.
No specific configuration is required and you do not need to enable or activate this feature.
You can display the following parameters for each switch:
• AC power supply status
• fan status
• system temperature
Note:
AC power supply status information is only available in EDM.
The Show Environmental output depends on the hardware of each unit. For example you can
have 2, 3 or 4 fans on one unit, depending on its type. Because the switches have only one
primary power supply unit, this is the only one displayed.
The ACLI command is available from any ACLI mode and there are equivalent EDM displays.
The following table defines the various states reported by the switch.
Measurement State Description
AC power Normal If AC or AC/RPSU power is
present.
Unknown Other unknown state.
Fan OK If the fan is working properly.
FAIL If any fan malfunction exists.
Remote Monitoring
Configuration — System Monitoring March 2013 25
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