20981 Ethernet Port Duplex Mode Change

Description

This alarm is reported when the FE port Duplex Mode changes .

Attribute

Alarm ID Alarm Severity Alarm Type
20981 Major Event

Parameters

ID Name Meaning
1 Subrack No.

The number of the subrack

2 Slot No.

The number of the slot

3 CPU No.

The number of the CPU

4 Link No.

The Number of the Link

5 Duplex Mode

0=FE Link Duplex Half,1=FE Link Duplex Full

6 Alarm Attribute

0=Normal, Alarms period are longer than the Transient Threshold.

1=Transient Count, The times and the period of the alarms whose periods are shorter than the Transient Threshold are summed up. If the sum result is longer than the Alarm Occurrence Period Threshold or Alarm Occurrence Times Threshold, an alarm so called Transient Count Alarm is triggered. Because Transient Count Alarm is based on accumulative result, the recovery of the alarm may occur at least one Summing Cycle later. The Summing Cycle can be query by MML "LST STATSLDWIN".

Impact on the System

Link Duplex Mode changed to Half may affact the transmision

System Actions

None.

Possible Causes

  • (1)config to Half Duplex
  • (2)port AutoNeg only support Half Duplex
  • (3)one port manual config and one is AutoNeg

Procedure

  1. (1) Reconfig the 2 port AutoNeg

    (2) Contact the technical support engineers of the RNC or CBSC.


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