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Cisco Bug: CSCur01134 - Nexus 6000: Powered-down due to fan policy trigger after ISSU

Last Modified

Sep 17, 2019

Products (10)

  • Cisco Nexus 6000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 56128P Switch
  • Cisco Nexus 5696Q Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

7.0(4)N1(1) 7.1(0)N1(0.344)

Description (partial)

A Nexus 6000 switch might power down itself after an ISSU upgrade. show version and show system reset-reason would indicate Powered-down due to fan  policy trigger as reason.

esc-6004-rack16# show system reset-reason 
----- reset reason for Supervisor-module 1 (from Supervisor in slot 1) ---
1) At 920408 usecs after Fri Oct 10 09:42:01 2014
    Reason: Powered-down due to fan policy trigger
    Version: 7.0(4)N1(1)

Usually seen if a FAN is OIRed or fails during ISSU process.
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