4000 Router Series Layer 2 - LAN Switching Configuration Guide

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e Descri

tion

Maximum Frame Size

Indicates the supported maximum frame size. It is now the MTU of the

port.

Power Stateful Control

Indicates the power state control configured on the sending port,

including the power type of the PSE/PD, PoE sourcing/receiving

priority, and PoE sourcing/receiving power.

NOTE:

The Power Stateful Control TLV is defined in IEEE P802.3at D1.0 and is not supported in later versions. HP

devices send this type of TLVs only after receiving them.

4. LLDP-MED TLVs

LLDP-MED TLVs provide multiple advanced applications for voice over IP (VoIP), such as basic

configuration, network policy configuration, and address and directory management. LLDP-MED

TLVs provide a cost-effective and easy-to-use solution for deploying voice devices in Ethernet.

LLDP-MED TLVs are shown in Table 12.

Table 12 LLDP-MED TLVs

e Descri

tion

LLDP-MED Capabilities

Allows a network device to advertise the LLDP-MED TLVs that it

supports.

Network Policy

Allows a network device or terminal device to advertise the VLAN ID

of the specific port, the VLAN type, and the Layer 2 and Layer 3

priorities for specific applications.

Extended Power-via-MDI

Allows a network device or terminal device to advertise power supply

capability. This TLV is an extension of the Power Via MDI TLV.

Hardware Revision Allows a terminal device to advertise its hardware version.

Firmware Revision Allows a terminal device to advertise its firmware version.

Software Revision Allows a terminal device to advertise its software version.

Serial Number Allows a terminal device to advertise its serial number.

Manufacturer Name Allows a terminal device to advertise its vendor name.

Model Name Allows a terminal device to advertise its model name.

Asset ID

Allows a terminal device to advertise its asset ID. The typical case is

that the user specifies the asset ID for the endpoint to facilitate

directory management and asset tracking.

Location Identification

Allows a network device to advertise the appropriate location

identifier information for a terminal device to use in the context of

location-based applications.

NOTE:

If the MAC/PHY configuration/status TLV is not advertisable, none of the LLDP-MED TLVs will be

advertised even if they are advertisable. If the LLDP-MED capabilities TLV is not advertisable, the other

LLDP-MED TLVs will not be advertised even if they are advertisable.