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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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VCTRUNK_NO_FLOW

VCTRUNK_NO_FLOW

Description

The VCTRUNK_NO_FLOW is an alarm indicating that the VCTRUNK port has no traffic. If the VCTRUNK port has no traffic, the VCTRUNK_NO_FLOW alarm is reported.

Attribute

Alarm Severity Alarm Type

Major

Service 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

Indicate the direction in which the traffic stops.

  • 0x00: the RX direction.
  • 0x01: the TX direction.

Parameter 2, Parameter 3, Parameter 4

The value of this parameter is always 0xff.

Impact on the System

In the case of the VCTRUNK_NO_FLOW alarm, services are not affected.

Possible Causes

The possible causes of the VCTRUNK_NO_FLOW alarm are as follows:

  • No services are configured at the local end.
  • The local end has abnormal alarms, or does not transmit packets.
  • The opposite end has abnormal services, or no packets arrive at the local end.

Procedure

  1. Check whether any service is configured at the port. If not, check whether carelessness causes the missing of service configuration.
  2. If yes, confirm the direction in which the traffic stops according to Parameter 1.
    • If the traffic stops in the TX direction, check whether the local services are abnormal.
    • If the traffic stops in the RX direction, check whether the local cross-connections are correctly configured.
      • If not, rectify the incorrect configuration, and then check whether the VCTRUNK_NO_FLOW alarm is cleared.
      • If not, check whether the fiber in the RX direction is damaged. If the fiber is damaged, replace the fiber and then check whether the VCTRUNK_NO_FLOW alarm is cleared.
      • If not, check whether the cross-connect board and line board involved in the RX direction work normally. If not, replace the faulty board.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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