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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).
PTP_PDELAY_RESP_LOS

PTP_PDELAY_RESP_LOS

Description

The PTP_PDELAY_RESP_LOS alarm indicates that Pdelay_Resp packets are lost. This alarm is reported when a port in the Slave, Uncalibrated, or Passive state fails to receive Pdelay_Resp packets (the port status can be queried in PPT clock synchronization attributes).

Attribute

Alarm Severity Alarm Type

Major

Equipment alarm

Parameters

None

Impact on the System

If the alarm is reported on the port in the Slave or Uncalibrated state, the IEEE 1588v2 time cannot be synchronized between NEs.

If the alarm is reported on the port in the Passive state, the standby IEEE 1588v2 link may fail to provide the protection.

Possible Causes

A fault alarm is reported on the board.

Procedure

  1. Check whether a fault alarm (for example, HARD_BAD or HARD_ERR) is reported on the board. If the fault alarm exists, clear it first. Then check whether this alarm is cleared.
    If… Then...

    The alarm is cleared,

    No further action is required.

    The alarm persists,

    Contact Huawei technical support engineers to handle the alarm.

Related Information

None

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Updated: 2019-01-21

Document ID: EDOC1100020975

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