Expert Features 10

MAC Layer

Runt Frame

Counter

The Runt Frame counter increments when a frame is less than 64 bytes in length. The Runt Frame counter is used for Expert Alarms. A count of all Runt Frames is included in the Bad Frames counter that displays in the Overview counters of Expert View.

Expert Symptom

Runt Frame events are automatically logged as expert symptoms. The Symptom Summary field contains the following information:

Runt frame has less than 64 bytes

Diagnostic Details

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Problem Description:

A packet with less than 64 bytes of data has been received.

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Probable Cause(s):

1.A faulty hub/switch/router device.

2.An end station may have a faulty network interface card.

3.A protocol analyzer has been transmitting error packets.

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Recommended Action(s):

1. Find out the source device and fix the problem.

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Finisar Surveyor manual Runt Frame, Runt frame has less than 64 bytes