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Configuration Guide - Device Management

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of Device Management, including device status query, hardware management, Information Center Configuration, NTP, Synchronous Ethernet Configuration, Fault Management Configuration, Energy-Saving Management Configuration, Performance Management Configuration, Maintenance Assistant Configuration, and OPS Configuration.
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Basic Concepts of Fault Management

Basic Concepts of Fault Management

  • Alarm:

    An alarm is generated when a device notifies users of a fault. Maintenance personnel learn the device running status and locate faults based on alarms.

  • Active alarm:

    An active alarm is the notification that an alarm is generated. For example, the hwFanInvalid alarm indicates that the fan is faulty.

  • Clear alarm:

    A clear alarm is the notification that an alarm is cleared. For example, the hwFanInvalidResume alarm indicates that the fan fault is rectified.

    Each active alarm maps to a clear alarm.

  • Root-cause alarm:

    A root-cause alarm causes other alarms. For example, an unreachable route is caused by the interface fault. The alarm generated due to an interface fault is a root-cause alarm.

  • Non-root-cause alarm:

    Non-root-cause alarms are caused by the root-cause alarm. For example, an unreachable route is caused by the interface fault. The alarm generated due to the unreachable route is a non-root-cause alarm.

  • Intermittent alarm:

    If the interval between the generation time and clearance time of an alarm is shorter than a specified value (called the intermittent threshold, which is specified based on the products and alarms), the alarm is called an intermittent alarm. An intermittent alarm lasts for a short time from generation to clearance.

  • Flapping alarm:

    If the number of times that an alarm on an object is generated in a specified period is larger than the flapping threshold, which is specified based on the product and alarm, the generated alarms are called flapping alarms.

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Updated: 2019-04-20

Document ID: EDOC1100074722

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