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Cisco Bug: CSCvu28181 - On Pershing, after reload, envmon Fan Tray not detected and system shutdown

Last Modified

Sep 03, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

7.2.1.BASE

Description (partial)

Symptom:
On fixed systems , on router reload sometimes we see the device get shut down due to no fans detected

Conditions:
This happens randomly depending on what state the io expander is at at. The initial setup to check device presence fails and envmon assumes that Fans are missing causing it to shutdown
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  • Status
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