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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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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).
TUNNEL_APS_OUTAGE

TUNNEL_APS_OUTAGE

Description

The TUNNEL_APS_OUTAGE alarm indicates that a tunnel APS protection group fails. This alarm is reported when both the protection and working tunnels in a tunnel APS protection group fail, and is cleared when either of the protection or working tunnel recovers.

Attribute

Alarm Severity Alarm Type

Major

Service alarm

Parameters

None

Impact on the System

The tunnel APS group fails and services in the group are interrupted.

Possible Causes

Possible causes of this alarm are as follows:

  • Cause 1: Ports carrying the working and protection tunnels are not enabled.
  • Cause 2: Fibers connections are faulty.
  • Cause 3: Alarms occur on both the working and protection tunnels.

Procedure

  1. Cause 1: Ports carrying the working and protection tunnels are not enabled.
    1. Check whether ports carrying the working and protection tunnels are enabled. If they are not enabled, enable them.
    2. Check whether the alarm is cleared. If the alarm persists, go to 2.
  2. Cause 2: Fibers connections are faulty.
    1. Replace the faulty fibers or connect the fibers correctly.
    2. Check whether the alarm is cleared. If the alarm persists, go to 3.
  3. Cause 3: Alarms occur on both the working and protection tunnels.
    1. Check for alarms, such as MPLS_TUNNEL_LOCV, on the working and protection tunnels. If such an alarm occurs, clear the alarm first.
    2. Check whether the TUNNEL_APS_OUTAGE alarm is cleared. If the alarm persists, contact Huawei technical support personnel to handle the alarm.

Related Information

None

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Updated: 2019-01-21

Document ID: EDOC1100020975

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