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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).
MRING_OAM_UNEXPPER_E

MRING_OAM_UNEXPPER_E

Description

MRING_OAM_UNEXPPER_E is an alarm indicating that a east port on an MPLS-TP ring receives unexpected period information. This alarm occurs when a east port on an MPLS-TP ring receives a CCM packet whose period information is incorrect.

Attribute

Alarm Severity Alarm Type

Major

Communication alarm

Parameters

When you view an alarm on the network management system, select the alarm. In the Alarm Details field display the related parameters of the alarm. The alarm parameters are in the following format: Alarm Parameters (hex): parameter1 parameter2...parameterN. For details about each parameter, refer to the following table.

Name Meaning

Parameter 1

Indicates the board ID.

Impact on the System

This alarm triggers APS switching on the MPLS-TP ring.

Possible Causes

A possible cause of the alarm is as follows:

  • Cause: The period information of CCM packets differs on the NEs of the MPLS-TP ring.

Procedure

  1. Cause: The period information of CCM packets differs on the NEs of the MPLS-TP ring.
    1. Check the period information of CCM packets on each NE and ensure that the period information of CCM packets is consistent on each NE. For details, see Creating an MPLS-TP Protection Ring.
    2. Check whether the alarm is cleared. If the alarm persists, contact Huawei technical support engineers to handle the alarm.

Related Information

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Updated: 2019-01-21

Document ID: EDOC1100020975

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