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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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BASETRAP_1.3.6.1.4.1.2011.5.25.129.2.2.11 hwVoltFallingAlarm

BASETRAP_1.3.6.1.4.1.2011.5.25.129.2.2.11 hwVoltFallingAlarm

Description

BASETRAP/1/VOLTFALLING: OID [oid] Voltage has fallen below the lower pre-alarm limit. (Index=[INTEGER], BaseThresholdPhyIndex=[INTEGER], ThresholdType=[INTEGER], ThresholdIndex=[INTEGER], Severity=[INTEGER], ProbableCause=[INTEGER], EventType=[INTEGER],PhysicalName="[OCTET]", ThresholdValue=[INTEGER], ThresholdUnit=[INTEGER], ThresholdLowWarning=[INTEGER], ThresholdLowCritical=[INTEGER])

The voltage is less than the lower threshold.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.5.25.129.2.2.11 Critical environmentalAlarm(6)

Parameters

Name Meaning
[oid] Indicates the ID of the MIB object.
Index Indicates the index of the entity. The entity in the alarm is a board.
BaseThresholdPhyIndex Indicates the index of the entity. The entity in an alarm on voltage can be a board, fan, or power module.
ThresholdType Indicates the type of the threshold that triggers the alarm. The possible threshold types are as follows:

1) temperatureSensor: temperature sensor

2) humiditySensor: humidity sensor

3) voltageSensor: voltage sensor

4) currentSensor: current sensor

5) powerSensor: power sensor

6) portTraffic: traffic of the port

7) portCrcError: CRC check of the port

8) portBroadcast: broadcast traffic on the port

This alarm is triggered by the threshold of the voltage sensor.

Severity Indicates the severity level of the alarm.
ProbableCause Indicates the possible causes of the alarm. The code of the possible cause is as follows:

533: IANAITUPROBABLECAUSE_POWERPROBLEMS indicates that the power module is faulty.

EventType Indicates the alarm type. Alarms are classified into the following types:
  • communicationsAlarm (2)
  • qualityOfServiceAlarm (3)
  • processingErrorAlarm (4)
  • equipmentAlarm (5)
  • environmentalAlarm (6)

This alarm is an alarm of the environmentalAlarm type.

PhysicalName Indicates the physical name of the entity.
ThresholdIndex Indicates the subindex of the entity where the alarm is generated. A subindex identifies a voltage sensor when there are multiple voltage sensors on a board.
ThresholdValue Indicates the current voltage. You can run the display voltage all command to view the current voltage of the board and the voltage threshold.
ThresholdUnit Indicates the unit of the voltage. The unit is as follows:

4: THRESHOLDUNIT_VOLTAGE1 indicates that the voltage is expressed in V.

ThresholdLowWarning Indicates the voltage threshold that triggers a minor alarm. The voltage threshold is determined by the hardware characteristics of the sensor. You can run the display voltage all command to view the threshold of the sensor on a board.
ThresholdLowCritical Indicates the voltage threshold that triggers a critical alarm. Currently, the value of this parameter is the same as the value of ThresholdLowWarning.

Impact on the System

The board may be powered off, causing interruption of services on the board.

Possible Causes

Cause 1: The board has failed.

Cause 2: A power module in the switch has failed.

Cause 3: The power provided to the switch is insufficient because there are not enough power modules in the switch.

Procedure

  1. Run the display device command to check device information. Based on the information, check whether the models of power modules installed in the device are supported by the chassis and whether the power modules are sufficient to provide power to all the boards installed in this chassis. For the models of power modules supported by each chassis model, see Hardware Description > Chassis > Power Supply Slot Configuration.

    • If so, go to step 3.
    • If not, go to step 2.

  2. Replace the unsupported power modules with those supported by the chassis, and add power modules based on the required power to ensure power sufficiency. Check whether the alarm is cleared.

    • If so, no action is required.
    • If not, go to step 3.

  3. Check whether any power module has a hardware failure.

    • If so, go to step 4.
    • If not, go to step 5.

    Use a power module that can work normally to replace the power modules in the switch one by one. Each time a power module is replaced, run the display voltage slot slot-id command to check the voltage on each board. If all boards have normal voltage, the replaced power module has a hardware failure.

  4. Replace the faulty power module. Run the display voltage slot slot-id command to check whether the voltage of the board that has generated the alarm is normal.

    • If so, no action is required.
    • If not, go to step 5.

  5. Reset the board and check whether the alarm is cleared.

    • If so, no action is required.
    • If not, go to step 6.

  6. Replace the board and check whether the alarm is cleared.

    • If so, no action is required.
    • If not, contact technical support personnel.

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Updated: 2019-08-21

Document ID: EDOC1000142054

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