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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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L2V_1.3.6.1.4.1.2011.5.25.119.4.1.2.2 hwPWVcSwitchPtoW

L2V_1.3.6.1.4.1.2011.5.25.119.4.1.2.2 hwPWVcSwitchPtoW

Description

L2V/4/PWE3VC_P2W_T:OID [oid] The status of the PWE3 VC turned working from protecting. (VcId=[GAUGE], VcType=[INTEGER], CtrlWord=[INTEGER], PrimaryPwId=[GAUGE], HWL2VpnStateChangeReason=[INTEGER], InterfaceName=[STRING])

Indicates that a PW changes from the secondary state to the primary state.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.5.25.119.4.1.2.2

Warning

other(1)

Parameters

Name Meaning

oid

Indicates the MIB object ID of the alarm.

VcId

Indicates the ID of a VC.

VcType

Indicates the 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

CtrlWord

Indicates whether the control word is enabled:
  • 1: enabled
  • 2: disabled

PrimaryPwId

Indicates the remote CE ID of the VC in the Working state.

HWL2VpnStateChangeReason

Indicates the cause for the VC status change. For details, refer to hwPwStateChangeReason in the appendix of HUAWEI-PWE3-MIB.

InterfaceName

Indicates the interface name.

Impact on the System

Packet loss in millisecond may occur in the switching process. The packet loss, however, affects little to the PWE3 service.

Possible Causes

The primary PW is rectified, and the VLL service is switched from the secondary PW to the primary PW.

Procedure

  1. This trap message is informational only, and no action is required.
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Updated: 2019-03-06

Document ID: EDOC1100041475

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