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policy, power management, and inventory management.
■ LLDP-MED Media Endpoint (Class II) – Applicable to all endpoint products that have IP
media capabilities however may or may not be associated with a particular end user.
Capabilities include all of the capabilities defined for the previous Generic Endpoint Class
(Class I), and are extended to include aspects related to media streaming. Example
product categories expected to adhere to this class include (but are not limited to) Voice /
Media Gateways, Conference Bridges, Media Servers, and similar.
Discovery services defined in this class include media-type specific network layer policy
discovery.
■ LLDP-MED Communication Endpoint (Class III) – Applicable to all endpoint products that
act as end user communication appliances supporting IP media. Capabilities include all of
the capabilities defined for the previous Generic Endpoint (Class I) and Media Endpoint
(Class II) classes, and are extended to include aspects related to end user devices.
Example product categories expected to adhere to this class include (but are not limited to)
end user communication appliances, such as IP Phones, PC-based softphones, or other
communication appliances that directly support the end user.
Discovery services defined in this class include provision of location identifier (including
ECS / E911 information), embedded L2 switch support, inventory management
LLDP-MED Capabilities – The neighbor unit's LLDP-MED capabilities:
■ LLDP-MED capabilities
■ Network Policy
■ Location Identification
■ Extended Power via MDI - PSE
■ Extended Power vis MDI - PD
■ Inventory
■ Reserved
◆ Application Type – The primary function of the application(s) defined for this network
policy, and advertised by an Endpoint or Network Connectivity Device. The possible
application types are described under "Configuring LLDP-MED TLVs" on page 151.
◆ Policy – This field displays one of the following values:
■ Unknown: The network policy for the specified application type is currently unknown.
■ Defined: The network policy is defined.
◆ Tag – Indicates whether the specified application type is using a tagged or an untagged
VLAN.
◆ VLAN ID – The VLAN identifier (VID) for the port as defined in IEEE 802.1Q-2003. A value
of 1 through 4094 is used to define a valid VLAN ID. A value of 0 (Priority Tagged) is used
if the device is using priority tagged frames as defined by IEEE 802.1Q-2003, meaning that
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