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==Applications==
The Link Layer Discovery Protocol may be used as a component in [[network management]] and [[network monitoring]] applications.
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LLDP is used to advertise [[power over Ethernet]] capabilities and requirements and negotiate power delivery.
===Media endpoint discovery extension {{anchor|LLPD-MED}} ===▼
''Media Endpoint Discovery'' is an enhancement of LLDP, known as '''LLDP-MED''', that provides the following facilities:▼
* Auto-discovery of LAN policies (such as VLAN, [[802.1q|Layer 2 Priority]] and [[Differentiated services]] (Diffserv) settings) enabling [[plug and play]] networking.▼
* Device ___location discovery to allow creation of ___location databases and, in the case of [[Voice over Internet Protocol]] (VoIP), [[Enhanced 911]] services.▼
* Extended and automated power management of [[Power over Ethernet]] (PoE) end points.▼
* Inventory management, allowing network administrators to track their network devices, and determine their characteristics (manufacturer, software and hardware versions, serial or asset number).▼
The LLDP-MED protocol extension was formally approved and published as the standard ANSI/TIA-1057 by the [[Telecommunications Industry Association]] (TIA) in April 2006.<ref name="tia1057">{{cite web▼
| url=http://www.tiaonline.org/standards/technology/voip/documents/ANSI-TIA-1057_final_for_publication.pdf▼
| title=ANSI/TIA-1057 standard▼
}}</ref>▼
== System Capability Codes ==
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According to IEEE Std 802.1AB, §9.6.1.3, "The Organizationally Unique Identifier shall contain the organization's OUI as defined in IEEE Std 802-2001." Each organization is responsible for managing their subtypes.
▲==Media endpoint discovery extension {{anchor|LLPD-MED}} ==
▲''Media Endpoint Discovery'' is an enhancement of LLDP, known as '''LLDP-MED''', that provides the following facilities:
▲* Auto-discovery of LAN policies (such as VLAN, [[802.1q|Layer 2 Priority]] and [[Differentiated services]] (Diffserv) settings) enabling [[plug and play]] networking.
▲* Device ___location discovery to allow creation of ___location databases and, in the case of [[Voice over Internet Protocol]] (VoIP), [[Enhanced 911]] services.
▲* Extended and automated power management of [[Power over Ethernet]] (PoE) end points.
▲* Inventory management, allowing network administrators to track their network devices, and determine their characteristics (manufacturer, software and hardware versions, serial or asset number).
▲The LLDP-MED protocol extension was formally approved and published as the standard ANSI/TIA-1057 by the [[Telecommunications Industry Association]] (TIA) in April 2006.<ref name="tia1057">{{cite web
▲ | url=http://www.tiaonline.org/standards/technology/voip/documents/ANSI-TIA-1057_final_for_publication.pdf
▲ | title=ANSI/TIA-1057 standard
▲ }}</ref>
==See also==
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