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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).
MPLS_TUNNEL_UNEXPPER

MPLS_TUNNEL_UNEXPPER

Description

The MPLS_TUNNEL_UNEXPPER is an alarm indicating that the tunnel does not receive CCM packet in expected period. The MEP NE reports this alarm upon receiving an OAM packet with correct MEG level, MEG ID, and MEP ID in an unexpected period.
  1. The source MEP NE sends the connectivity detection packet that contains the CCM information to the sink MEP NE. CCM information includes the MEG level, MEG ID, and MEP ID of the source NE.
  2. The sink MEP NE compares the received CCM information with that configured on the NE. If the received information is in an unexpected period, the NE will report this alarm though MEG levels, MEG IDs, and MEP IDs are correct.

Attribute

Alarm Severity Alarm Type

Major

Communication alarm

Parameters

None.

Impact on the System

When this alarm occurs, services are interrupted.

Possible Causes

The possible cause of the MPLS_TUNNEL_UNEXPPER alarm is as follows:

Cause: CCM packet periods are inconsistent on the source and sink NEs at both ends of the tunnel.

Procedure

  1. Check the periods of OAM packets on source and sink NEs at both ends of the tunnel.
  2. If periods of OAM packets are inconsistent, modify them.
  3. Check whether the alarm is cleared. If the alarm persists, contact Huawei technical support engineers to handle the alarm.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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