20980 Ethernet Port Band Width Change

Description

This alarm is reported when the FE port band width is changed.

Attribute

Alarm ID Alarm Severity Alarm Type
20980 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 Speed Mode

0=10M,1=100M,2=1000M

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

The services may be interrupted .

System Actions

None.

Possible Causes

the Port AutoNeg and Speed is less than 100M

Procedure

  1. (1) Ensure that the peer end supports self-negotiation of 100M&1000M line rate, and then set the Ethernet property as self-negotiation.

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