◦
Sends SNMP notifications (if configured)
• Major temperature threshold—When a major threshold is exceeded, a major alarm occurs and the
following actions occur:
◦
For sensors 1, 3, and 4 (outlet and onboard sensors), the following actions occur:
◦
Displays system messages.
◦
Sends Call Home alerts (if configured).
◦
Sends SNMP notifications (if configured).
◦
For sensor 2 (intake sensor), the following actions occur:
◦
If the threshold is exceeded in a switching module, only that module is shut down.
◦
If the threshold is exceeded in an active supervisor module with HA-standby or standby
present, only that supervisor module is shut down and the standby supervisor module takes
over.
◦
If you do not have a standby supervisor module in your switch, you have up to 2 minutes to
decrease the temperature. During this interval, the software monitors the temperature every
5 seconds and continuously sends system messages as configured.
We recommend that you install dual supervisor modules. If you are using a switch
without dual supervisor modules, we recommend that you immediately replace the fan
module if just one fan is not working.
Tip
A threshold value of –127 indicates that no thresholds are configured or applicable.
Note
This command reports on only software-controlled modules, such as supervisors, system controllers, line
cards, fabric modules, fan trays, and power supplies. It does not report on modules that are not controlled
by software, such as blank modules installed in empty slots to control airflow.
Note
Use the show environment temperature command to display the temperature readings for each of the
powered-up modules.
switch# show environment temperature
Temperature:
--------------------------------------------------------------------
Module Sensor MajorThresh MinorThres CurTemp Status
(Celsius) (Celsius) (Celsius)
--------------------------------------------------------------------
4 CPU 105 95 32 Ok
4 TD2-1 105 95 41 Ok
4 TD2-2 105 95 41 Ok
4 TD2-3 105 95 41 Ok
4 VRM-1 110 100 41 Ok
4 VRM-2 110 100 45 Ok
4 VRM-3 110 100 40 Ok
22 CPU 105 95 34 Ok
Cisco Nexus 9508 NX-OS Mode Switch Hardware Installation Guide
57
Managing the Switch
Displaying Temperatures for a Module
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