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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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NESF_LOST

NESF_LOST

Description

The NESF_LOST alarm indicates that the NE software in the system control unit is lost.

Attribute

Alarm Severity Alarm Type

Critical

Processing 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, Parameter 2

Indicates the types of files unavailable in the board software.

Impact on the System

If the NE software is unavailable in the active and standby system control units, the system control units cannot function properly in the following cases:

The system control, cross-connect, and timing boards are reset.

The system control, cross-connect, and timing boards restart after they are powered off.

As a result, the U2000 fails to monitor NEs.

Possible Causes

Possible causes of this alarm are as follows:

  • The NE software is not loaded or loading the NE software fails.
  • The NE software is lost or damaged.
  • The flash memory cannot be detected or is faulty.

Procedure

  1. View the NESF_LOST alarm on the U2000 to determine the board that reports the NESF_LOST alarm.
  2. Reload the NE software, and perform a warm reset on the faulty board on the U2000. Then, check whether the alarm is cleared.
  3. If the NESF_LOST alarm persists, replace faulty board.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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