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Cisco Nexus 9336C switch reporting high temperature alert

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Applies to

  • Cisco Nexus 9336C switches
  • NX-OS 10.1(2)

Issue

  • ONTAP reporting high temperature alert in system health alert show:
Sensor "module-1 BACK" on switch "Switch-A1" is reporting a temperature of 4294967168 C, which is above the critical threshold
  • Cisco show environment temperature displays error for the back sensor: 

Temperature:
--------------------------------------------------------------------
Module   Sensor        MajorThresh   MinorThres   CurTemp     Status
                       (Celsius)     (Celsius)    (Celsius)         
--------------------------------------------------------------------
1        FRONT           80              70          27         Ok             
1        BACK            70              42          n/a        Failure        
1        CPU             90              80          33         Ok             
1        Heavenly        110             90          44         Ok          

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