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[FAQ] What basic network data is send and received by a RealPresence Group Series

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Polycom Employee & Community Manager

[FAQ] What basic network data is send and received by a RealPresence Group Series

Booting or connecting a Polycom RealPresence Group Series to a network switch initiates certain network Protocol’s

 

NOTE: The below has been tested with a GroupSeries running Software 6.1.2 

 

INITIAL BOOT PROCESS

 

 

GroupSeriesBootDHCP_01.PNG

 

A Polycom Group Series as a factory default does not support LLDP and this needs to be enabeld via Admin Settings => Network => LAN Properties => Enable LLDP

 

Initially the GroupSeries sends a => DHCP Discover <=

 

GroupSeriesBootDHCP_02.PNG

 

Within this DHCP Discover message the GroupSeries uses various Sub-Options

 

  • Option 12 Host Name
    GroupSeriesBootDHCP_03.PNG
    This can be changed via Admin Settings => Network => LAN Properties => Host Name

  • Option 55 is actually a List of Sub Options
    GroupSeriesBootDHCP_04.PNG

  • Option 60 Identifies the Vendor Class Identifier
    GroupSeriesBootDHCP_05.PNG

 

The GroupSeries can then receive one or multiple DHCP Offers:

 

NOTE: The Offer does not mandatorily need to contain all requested options!

 GroupSeriesBootDHCP_06.PNG

 

The GroupSeries would then Request the IP Address and everything else:

 

GroupSeriesBootDHCP_07.PNG

 

And the Server would ACKNOWLEDGE this exchange

 

GroupSeriesBootDHCP_08.PNG




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