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Cisco Bug: CSCvv09729 - Cisco Nexus 92348 back pressure results in PSU fan spinning wrong direction

Last Modified

Oct 06, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.3(4)

Description (partial)

Symptom:
The power supply exhaust fan may spin in the wrong direction on the Cisco Nexus 92348.

Conditions:
Incorrect power supply fan direction can result in circular air flow through the chassis. Exhaust from the power supply can be pulled back into the chassis by the system fans, which impacts cooling efficiency.
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