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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).
ETHOAM_RMT_CRIT_FAULT

ETHOAM_RMT_CRIT_FAULT

Description

The ETHOAM_RMT_CRIT_FAULT is an alarm indicating a critical fault of the point-to-point Ethernet OAM function at the remote end. When a port with the OAM function enabled receives the OAM packets that contain critical fault information from the opposite end, this alarm is reported.

Attribute

Alarm Severity Alarm Type

Minor

Equipment 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 port number.

Parameter 2, Parameter 3

Parameter 2 is always 0x00, and Parameter 3 is always 0x01. These parameters are meaningless.

Parameter 4

Indicates the types of the fault.

  • 0x01: A link fault occurs at the port of the opposite end.
  • 0x02: Irrecoverable problems such as the power failure occur at the opposite end.
  • 0x03-0xff: Other unknown reasons.

Impact on the System

The alarm is generated when the system runs the IEEE 802.3ah OAM protocol. IEEE 802.3ah OAM is a link management protocol and is irrelevant to services. This alarm indicates that the signal loss alarm is reported at the receive direction of the opposite port. The fault is critical.

Possible Causes

The possible cause of the ETHOAM_RMT_CRIT_FAULT alarm is as follows:

  • The port with the OAM function enabled receives the OAM packets that contain critical fault information (such as link fault and power failure) from the opposite end.

Procedure

  1. If a link fault occurs at the opposite port, query board level alarms on the NMS. Remove the fault according to the link alarm such as ETH_LOS or LINK_ERR. Then, check whether the alarm is cleared.
  2. If irrecoverable problems such as power failure occurs at the opposite end, after the fault is rectified, the alarm is cleared automatically.
  3. If other unknown faults occur, contact Huawei engineers.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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