HP PROCURVE 6600 Manual de usuario descargar pdf (Pagina 466)

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Configuring for Network Management Applications

LLDP (Link-Layer Discovery Protocol)

PoE Advertisements. These advertisements inform an LLDP-MED

endpoint of the power (PoE) configuration on switch ports. Similar

advertisements from an LLDP-MED endpoint inform the switch of the

endpoint’s power needs and provide information that can be used to identify

power priority mismatches.

Power-over-Ethernet TLVs include the following power data:

■ power type: indicates whether the device is a power-sourcing entity

(PSE) or a powered device (PD). Ports on the J8702A PoE zl module are

PSE devices. A MED-capable VoIP telephone is a PD.

■ power source: indicates the source of power in use by the device. Power

sources for powered devices (PDs) include PSE, local (internal), and PSE/

local. The switches covered in this guide advertise Unknown.

■ power priority: indicates the power priority configured on the switch

(PSE) port or the power priority configured on the MED-capable end-

point.

■ power value: indicates the total power in watts that a switch port (PSE)

can deliver at a particular time, or the total power in watts that the MED

endpoint (PD) requires to operate.

To display the current power data for an LLDP-MED device connected to a

port, use the following command:

show lldp info remote-device < port-list >

For more on this command, refer to page 14-74.

To display the current PoE configuration on the switch, use the following

commands:

show power brief < port-list >

show power < port-list >

For more on PoE configuration and operation, refer to Chapter 11, “Power

Over Ethernet (PoE/PoE+) Operation”.

Configuring Location Data for LLDP-MED Devices

You can configure a switch port to advertise location data for the switch itself,

the physical wall-jack location of the endpoint (recommended), or the

location of a DHCP server supporting the switch and/or endpoint. You also

have the option of configuring these different address types:

■ civic address: physical address data such as city, street number, and

building information

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