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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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SECE_1. hwXQoSStormControlTrapExt

SECE_1. hwXQoSStormControlTrapExt


SECE/4/TRAP:STORMCONTROL:OID [oid] StormControlAlarm.(IfIndex=[INTEGER], IfName=[OCTET], BroadcastMinRate=[INTEGER], BroadcastMaxRate=[INTEGER], MulticastMinRate=[INTEGER], MulticastMaxRate=[INTEGER], Action=[INTEGER], Interval=[INTEGER], Status=[INTEGER], UnicastMinRate=[INTEGER], UnicastMaxRate=[INTEGER], BroadcastMode=[INTEGER], MulticastMode=[INTEGER], UnicastMode=[INTEGER])

The interface status changed.


Alarm ID Alarm Severity Alarm Type Warning securityServiceOrMechanismViolation(10)


Name Meaning
OID Indicates the ID of a MIB object.
IfIndex Indicates the interface index.
IfName Indicates the interface name.
BroadcastMinRate Indicates the minimum rate of broadcast packets.
BroadcastMaxRate Indicates the maximum rate of broadcast packets.
MulticastMinRate Indicates the minimum rate of multicast packets.
MulticastMaxRate Indicates the maximum rate of multicast packets.
Action Indicates the storm control action.
Interval Indicates the interval for detecting storms.
Status Indicates the interface status, including:
  • block: When the rate of receiving packets is greater than the value of MaxRate and the storm control action is block, the interface status is block.
  • normal: The interface normally forwards packets.
  • shutdown: When the rate of receiving packets is greater than the value of MaxRate and the storm control action is shutdown, the interface status is shutdown.
UnicastMinRate Indicates the minimum rate of unknown unicast packets.
UnicastMaxRate Indicates the maximum rate of unknown unicast packets.
BroadcastMode Indicates the broadcast storm control mode.
MulticastMode Indicates the multicast storm control mode.
UnicastMode Indicates the unknown unicast storm control mode.

Impact on the System

Storms may occur if any of the preceding thresholds is exceeded. Services are affected.

Possible Causes

The packet rate (pps) on the interface exceeded the upper threshold or fell below the lower threshold for storm control.


  1. Run the display storm-control [ interface interface-type interface-number ] command to view information about storm control on the interface.
  2. If the interface status is shutdown, check whether the interface can be enabled according to the application scenario.

    • If the interface can be enabled, run the undo shutdown command and no further action is required.
    • If the interface cannot be enabled, go to step 3.

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

Document ID: EDOC1000142054

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