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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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MPLS_TUNNEL_FDI

MPLS_TUNNEL_FDI

Description

The MPLS_TUNNEL_FDI alarm indicates defects in the forward direction of a tunnel. This alarm is reported when a forward defect indication (FDI) packet is received, indicating that the tunnel at the physical layer of the upstream NE is faulty.

Attribute

Alarm Severity Alarm Type

Minor

Communication alarm

Parameters

None.

Impact on the System

Services may be interrupted.

Possible Causes

The possible cause of the MPLS_TUNNEL_FDI alarm is as follows:

  • The upstream NE detects that the tunnel at the physical layer is faulty.

Procedure

  1. On the U2000, check whether there are hardware-related alarms at the local end, such as HARD_BAD and LSR_NO_FITED. If yes, clear these alarms. Then check whether the MPLS_TUNNEL_FDI alarm is cleared.
  2. If the MPLS_TUNNEL_FDI alarm persists, check whether an optical fiber or a cable between the local NE and the opposite NE is damaged. 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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