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Alarm Handling

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

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).
L2V_1.3.6.1.4.1.2011.5.25.119.4.1.2.6 hwPWVcBackup

L2V_1.3.6.1.4.1.2011.5.25.119.4.1.2.6 hwPWVcBackup

Description

L2V/2/PWE3VC_BACKUP_T:OID [oid] The status of the PWE3 VC turned BACKUP. (VcId=[GAUGE], VcType=[INTEGER], PeerAddress=[IPADDR], InterfaceIndex=[INTEGER], VcInboundLabel=[GAUGE], VcOutboundLabel=[GAUGE], SecondaryPw=[INTEGER], HWL2VpnStateChangeReason=[INTEGER], SysUpTime=[TIMETICK], InterfaceName=[STRING], SwitchVcId=[GAUGE], ActiveState=[INTEGER])

Indicates that a VC turns to the backup state.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.5.25.119.4.1.2.6

Major

other(1)

Parameters

Name Meaning

oid

Indicates the MIB object ID of the alarm.

VcId

ID of a VC.

VcType

Type of a VC:
  • 0: Initial value
  • 1: FR
  • 2: ATM AAL5
  • 3: ATM cell relay
  • 4: VLAN
  • 5: Ethernet
  • 6: HDLC
  • 7: PPP
  • 9: ATM cell VCC
  • 10: ATM cell VPC
  • 11: IP-layer 2 (used for heterogeneous IP-interworking between Huawei devices and non-Huawei devices)
  • 12: ATM, 1-to-1 VCC cell mode
  • 13: ATM, 1-to-1 VPC cell mode
  • 14: ATM, AAL5 PDU VCC TRANSPORT
  • 64: Heterogeneous IP-interworking

PeerAddress

IP address of a peer

InterfaceIndex

Interface index

VcInboundLabel

Incoming label of a VC.

VcOutboundLabel

Outgoing label of a VC

SecondaryPw

Whether the PW is a secondary PW:
  • 1: The PW is a secondary PW.
  • 2: The PW is not a secondary PW.

HWL2VpnStateChangeReason

Cause for the VC status change

SysUpTime

Time for the system startup

InterfaceName

Interface name

SwitchVcId

ID of the switching VC

ActiveState

Active state

Impact on the System

The VRRP status affects the service.

Possible Causes

A VC turned to the backup state.

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: 2019-05-07

Document ID: EDOC1100034065

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