Nortel 1110 Fundamentals page 472

472 Appendix D 802.1ab Link Layer Discovery Protocol
This extension enables media devices such as IP Phones, IP media
gateways, IP media servers, and IP media controllers to transmit and
receive media related information.
LLDP provides the following functionality
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The 802.1ab feature provides automatic configuration of the IP Phone
network policy parameters, such as VLAN ID, as well as, automatic
detection of misconfigurations, such as Duplex discrepancies.
The 802.1ab feature is enabled by default. However, you can disable the
feature during manual configuration.
For information about 802.1ab configuration, see the applicable IP Phone
section in this document.
Copyright © 2003–2007, Nortel Networks
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periodic transmission of advertisements containing device information
device capabilities and media specific configuration information to
neighbors in the same network
implementation of behavioral requirements specified by LLDP-MED
Nortel Communication Server 1000
IP Phones Fundamentals
NN43001-368 02.01 Standard
Release 5.0 7 December 2007