Finisar Surveyor manual ISL Illegal Vlan ID, Vlan ID=1036

Expert Features 10

Network Layer

ISL Illegal VLAN ID

Counter

ISL Illegal VLAN ID is a counter of all ISL illegal VLAN IDs over a period of time per segment. A count of all ISL Illegal VLAN ID displays in the Overview counters of Expert View. A threshold for this counter can be set in Expert Alarms.

Expert Symptom

ISL Illegal VLAN IDs are automatically logged as expert symptoms. The Symptom Summary field provides the number of the illegal VLAN ID. For example:

VLAN ID=[1036]

Diagnostic Details

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Problem Description:

The VLAN ID in the ISL protocol is illegal. The allowable range is from 1 to 1024.

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Probable Cause(s):

1.An error made in the VLAN configuration for the Switch may have introduced an ille- gal VLAN ID.

2.A faulty Switch.

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Recommended Action(s):

1.Reconfigure the VLAN configuration on the switch to use valid ID’s.

2.Replace the faulty Switch.

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