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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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ETH_EFM_REMFAULT

ETH_EFM_REMFAULT

Description

The ETH_EFM_REMFAULT alarm indicates that the P2P OAM protocol is enabled and the local end receives a fault indication from the opposite end.

Attribute

Alarm Severity Alarm Type

Critical

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 type of the fault.

  • 0x01: A Link fault occurs at the opposite port.
  • 0x02: Irrecoverable problems such as a power failure occur at the opposite end.
  • 0x03: A critical event occurs at the opposite port.

Impact on the System

The opposite port is faulty and the services at the opposite port may be unavailable.

Possible Causes

Possible causes of the ETH_EFM_REMFAULT alarm are as follows:

  • The opposite port is faulty.
  • A board on the opposite NE works abnormally.
  • The physical link between both ends is faulty.

Procedure

  1. On the U2000, check whether the opposite port reports the ETH_LOS alarm. If yes, clear the alarm. Check whether the ETH_EFM_REMFAULT alarm is cleared.
  2. If the alarm persists, go to the next step.
  3. On the U2000, check whether the opposite NE reports alarms that are related to the hardware of optical modules or boards, such as HARD_BAD and LSR_NO_FITED. If yes, clear these alarms. Check whether the ETH_EFM_REMFAULT alarm is cleared.
  4. If the alarm persists, go to the next step.
  5. Check whether an optical fiber or a cable between both ends is faulty. If yes, replace the faulty optical fiber or cable.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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