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  2. A telephone does not correctly obtain a VLAN ID when the VLAN ID is higher than 512 in Lync 2010 Phone Edition

A telephone does not correctly obtain a VLAN ID when the VLAN ID is higher than 512 in Lync 2010 Phone Edition

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Symptoms

A telephone that is running Microsoft Lync 2010 Phone Edition does not correctly obtain a virtual local area network (VLAN) ID from the network switches by using Link Layer Discovery Protocol (LLDP) when the VLAN ID is higher than 512.

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Cause

This issue occurs because Lync 2010 Phone Edition only reads 9 bits of the VLAN ID field, which is a 12-bit field. Therefore, the other bits are ignored when the VLAN ID is higher than 512.

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Resolution

To resolve this issue, install the following cumulative update:

For Polycom CX700 and LG-Nortel IP Phone 8540 telephones:
2577593 Description of the cumulative update for Microsoft Lync 2010 Phone Edition for Polycom CX700 and LG-Nortel IP Phone 8540: July 2011

For Polycom CX500, Polycom CX600 and Polycom CX3000 telephones:
2577594 Description of the cumulative update for Lync 2010 Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000: July 2011

For Aastra 6721ip and Aastra 6725ip telephones:
2577595 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: July 2011


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Keywords: kbqfe, kbsurveynew, kbexpertisebeginner, kbhotfixrollup, kbfix, kb

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Article Info
Article ID : 2578806
Revision : 2
Created on : 9/26/2018
Published on : 9/26/2018
Exists online : False
Views : 196