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STACKMNG/3/STACK_FASTUPGRADE_ERROR
Message
STACKMNG/3/STACK_FASTUPGRADE_ERROR: Fast upgrade failed, and the system software version rolled back. (Reason=[Reason])
Possible Causes
Cause 1: The upgrade of the standby switch exceeded the predetermined time. (For example, the card registration exceeded the predetermined time, the system version rolled back after the standby switch reset repeatedly.)
Cause 2: The device received unauthorized packets during fast upgrade.
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