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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. hwVpwsPwRedundancyDegraded

L2V_1. hwVpwsPwRedundancyDegraded


L2V/2/PWE3_VPWS_DEGRADED_T: OID [OID] VPWS PW redundancy reported a protect degraded alarm. (PrimaryPwId=[GAUGE], PrimaryPwType=[INTEGER], InterfaceIndex=[INTEGER], InterfaceName=[STRING])

VPWS PW redundancy, VLL FRR, or PW-APS protection degraded.


Alarm ID Alarm Severity Alarm Type




Name Meaning


Indicates the MIB object ID of the alarm.


Primary PW ID


Primary PW type


Index of the interface where the PW resides


Interface where the PW resides

Impact on the System

If the primary or secondary PW for VPWS PW redundancy fails, VPWS PW redundancy protection will degrade.

If the primary or secondary PW for VLL FRR fails, VLL FRR protection will degrade.

If the primary or secondary PW for PW-APS fails, PW-APS protection will degrade.

Possible Causes

The primary or secondary PW for VPWS PW redundancy failed.

The primary or secondary PW for VLL FRR failed.

The primary or secondary PW for PW-APS failed.


  1. Perform the troubleshooting operations described in hwPWVcDown to rectify the fault and then check whether the trap is cleared.

    • If trap is cleared, go to step 2.
    • If trap is not cleared, go to step 3.

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

Document ID: EDOC1100041475

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