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FusionServer Pro Rack Server iBMC Alarm Handling 31

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.

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ALM-0x29000027 Optical Module Speed Mismatches NIC Speed (Port, Major Alarm)

ALM-0x29000027 Optical Module Speed Mismatches NIC Speed (Port, Major Alarm)


Alarm message:

Network arg1 [arg2] arg3 optical module transmission speed does not match the speed supported by the NIC. 

This alarm is generated when the optical module speed does not match the speeds supported by the network interface card.

Alarm object: port


Alarm ID Alarm Severity Auto Clear





Name Meaning


NIC name, for example, NIC 1, PCIe Card 5, or LOM.


Type of the NIC, for example, (NIC) or (FC).


Network port number, for example, port 1.

Impact on the System

The related services will be interrupted.

Possible Causes

The optical module is faulty.


  1. Replace the optical module. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Contact Huawei technical support.
Updated: 2019-11-19

Document ID: EDOC1000054724

Views: 398354

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