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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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IFPDT_1. hwOutputRateChangeOverThresholdNotice

IFPDT_1. hwOutputRateChangeOverThresholdNotice


IFPDT/4/PORT_OUTRATECHG: OID [oid] The output rate change ratio exceeded the threshold.(IfIndex = [INTEGER], InterfaceName = [STRING], ThresholdPercent = [INTEGER], CurrentStatisticalPeriodRate = [COUNTER64], LastStatisticalPeriodRate = [COUNTER64]).

The sudden traffic volume change percentage in the outbound direction of interfaces exceeded the alarm threshold.


Alarm ID Alarm Severity Alarm Type Warning qualityOfServiceAlarm(3)


Name Meaning


Indicates the trap OID.


Indicates the interface index.


Indicates the interface name.


Indicates the detection threshold of sudden traffic volume changes.


Rate of bytes on the interface in the current traffic statistics collection interval.


Rate of bytes on the interface in the previous traffic statistics collection interval.rval.

Impact on the System

Packet loss may occur on interfaces.

Possible Causes

The sudden traffic volume change percentage in the outbound direction of interfaces exceeded the alarm threshold.


  1. Run the display this interface command to view the Output bandwidth utilization field, and check whether the sudden traffic in the inbound direction of interfaces is normal.

    • If so, no action is required.
    • If not, check whether a loop exists on the link.

  2. Collect log information, and contact technical support personnel.
Updated: 2019-08-21

Document ID: EDOC1000142054

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