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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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ALML/4/SLAVE_TO_MASTER:MPU Slot[ULONG] changes to master.


The standby MPU becomes active.


Parameter Name Parameter Meaning

Possible Causes

Reason 1:

The slave switchover command is run to perform active/standby switchover.

Reason 2:

The active MPU resets after it becomes abnormal.


  1. Check whether active/standby switchover is triggered using the slave switchover command for routine maintenance or triggered after the active MPU is removed and then installed or restarted.
    • If so, no action is required.
    • If not, go to step 2.
  2. Collect log information and configuration information, and then contact technical support personnel.You can collect diagnostic information using the display diagnostic-information command.
Updated: 2019-08-21

Document ID: EDOC1000142069

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