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Cisco Bug: CSCvh71930 - show chassis power-supply detail report "PEC error"

Last Modified

Aug 19, 2019

Products (1)

  • Cisco Catalyst 9400 Series Switches

Known Affected Releases

16.6.4

Description (partial)

Symptom:
On catalyst9400 , running following command had issue of showing PEC Error for power supplies.

switch#show platform hardware chassis power-supply detail all

 Slot      Reg       Reg Value       Description                                                           
 --------- --------- --------------- --------------------------------------------------------------------- 
 PS2       0xE7      0x00 0x00 0x04  PEC error    <=== PEC error bit was set for power supply because of the one of the i2c write with incorrect checksum on to the power supply while accessing its register.

Conditions:
N/A
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