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Alarm Handling

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the trap description, attributes, parameters, impact on the system, possible causes, procedures, and references. This document provides a complete set of traps, through which intended readers are kept of the running status of the device so as to locate faults.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
VRRP_1.3.6.1.2.1.68.0.1 vrrpTrapNewMaster

VRRP_1.3.6.1.2.1.68.0.1 vrrpTrapNewMaster

Description

VRRP/2/VRRPCHANGETOMASTER:OID [oid] The status of VRRP changed to master. (VrrpIfIndex=[VrrpIfIndex], VrId=[VrId], IfIndex=[IfIndex], IPAddress=[IPAddress], NodeName=[NodeName], IfName=[IfName], ChangeReason=[ChangeReason])

The state of router changed to master.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.2.1.68.0.1 Major environmentalAlarm(6)

Parameters

Name Meaning

oid

Indicates the MIB object ID of the alarm.

VrrpIfIndex

Index of the interface on which a VRRP backup group is configured

VrId

ID of a VRRP backup group

IfIndex

Index of the interface on which a VRRP backup group is configured

IPAddress

IP address of the interface where a VRRP backup group is configured

NodeName

Device name

IfName

Name of the interface where a VRRP backup group is configured

ChangeReason

Cause for the change of the VRRP backup group status

Impact on the System

  • If master/backup switchover occurs in normal cases, services are not affected.

  • If master/backup switchover occurs in abnormal cases, services may be interrupted.

Possible Causes

Cause 1:

The former master router was faulty.

Cause 2:

The former master link was faulty.

Cause 3:

The priority of the former master router or backup router changed.

Cause 4:

The logical interface where the VRRP backup group resides on the master router is deleted or the configuration of the VRRP backup group is deleted.

Cause 5:

The former master router recovers from a fault.

Cause 6:

The former active link recovers from a fault.

Procedure

  1. View user logs to check the causes of the VRRP change. You can perform operations according to the specific cause.

    • If the cause is priority calculation, go to Step 6.
    • If the cause is that the MASTER_DOWN timer expired, go to Step 2.
    • If the cause is the change of the BFD session status, go to Step 2.
    • If the cause is the change of the interface status, go to Step 2.
    • If the cause is admin-vrrp DROVE, go to Step 6.

  2. Run the display vrrp command to check the status of the VRRP backup group on the former master router.

    • If the VRRP backup group is in the Initialize state, it indicates that the former router is faulty. Locate the cause of the fault and restore the master router. Go to Step 8.
    • If the VRRP backup group is in the Backup state, go to Step 6.
    • If the VRRP backup group is in the Master state, go to Step 3.

  3. Check whether the master link is faulty.

    • If BFD is configured, go to Step 4.
    • If BFD is not configured, go to Step 5.

  4. Run the display vrrp command to check the status of the BFD session.

    • If the BFD session is Down, it indicates that the former master link is faulty. Locate the cause of the fault and restore the master link. Go to Step 8.
    • If the BFD session is Up, go to Step 7.

  5. Run the display vrrp [ interface interface-type interface-number ] [virtual-router-id ] statistics command to check whether the VRRP packets are normally forwarded.

    • If not, it indicates that the link is faulty. Locate the cause of the fault and restore the link. Go to Step 8.
    • If so, go to Step 7.

  6. On the former master router and backup router, run the display vrrp command to check whether the configured priority of the VRRP is consistent with the running priority.

    • If not, it indicates that the link monitored through VRRP is faulty. Locate the cause of the fault and restore the monitored link. Go to Step 8.
    • If so, go to Step 7.

  7. Collect alarm information and configuration information, and then contact technical support personnel.
  8. End.
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Updated: 2019-03-06

Document ID: EDOC1100041475

Views: 81295

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