Procedure 5-30: Clear "Exceeded MTU size drop" alarm

- Overview

This procedure is used to clear an Exceeded MTU size drop alarm.

- Before you begin

Prior to performing this procedure:

  1. Refer to Before you begin and Required equipment in this chapter.

  2. Refer to Laser safety and Electrostatic discharge in Chapter 1, Safety.

  3. Obtain office records showing correct provisioning for the affected LAN port/VCG.

Steps

Complete the following steps to clear an Exceeded MTU size drop alarm.

 
1

From the WaveStar® CIT System View, click the Alarm List button and locate the Exceeded MTU size drop alarm in the resulting alarm list and note the corresponding AID.

2

From the System View, select View → Equipment. Expand the required Ethernet circuit pack, select the required port/VCG, and click Select.

Result:

The port/VCG information appears.

3

Compare the provisioned values of the MTU Size (in bytes) and Exceeded MTU Size Drop Threshold parameters with office records to verify that the provisioned values are correct.

4

If the provisioned values are...

Then...

correct,

A likely cause of the alarm is a provisioning error or equipment failure in the network.

Follow local procedures to isolate and clear the trouble.

not correct,

Select Configuration → Equipment to access the required port/VCG and reprovision the correct parameter values.

End of steps

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