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Alarm Handling

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of alarms on the product.
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CSSM_1. hwCssStandbyError

CSSM_1. hwCssStandbyError


CSSM/2/CSSNOMPU: OID [OID] The CSS enters the standby-no-MPU state.

The CSS enters the standby-no-MPU state.


Alarm ID Alarm Severity Alarm Type Major equipmentAlarm(5)


Name Meaning
OID Indicates the ID of the alarm MIB object.

Impact on the System

You can only run the display commands but cannot use the configuration commands.

Possible Causes

  • The last MPU in the master or standby chassis is removed.

  • The last MPU in the master or standby chassis is reset.

  • The last MPU in the master or standby chassis fails.


  1. Run the display device command to check whether there is any MPU present in the standby chassis.

    • If no MPU is present in the standby chassis, install an MPU in the standby chassis and wait until the MPU registers successfully.
    • If an MPU is present in the standby chassis but does not register in a long time, this MPU has failed. Replace the MPU and wait until the new MPU registers successfully.

  2. Run the display css status command to check whether the CSS is working in normal state.

    • If so, no action is required.
    • If not, collect alarm information and configuration information, and then contact technical support personnel.

Updated: 2019-08-21

Document ID: EDOC1000142054

Views: 183494

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