RTS DV-3400 Informações Técnicas descarregar pdf (Página 400)

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IP Network

Infrastructure

(IEEE 802 LAN)

IP Network

Infrastructure

(IEEE 802 LAN)

IP Network

Infrastructure

(IEEE 802 LAN)

Configuring for Network Management Applications

LLDP (Link-Layer Discovery Protocol)

■ IP communications controllers

■ other VoIP devices or servers

IP Network

Infrastructure

(IEEE 802 LAN)

5300xl Switches Providing Network

Access to LLDP-MED Endpoints

LLDP-MED Class 1 Generic Endpoints

Such As IP Call Control Devices

LLDP-MED Class 2 Media Endpoints Such As

Media Gateways, Conference Bridges, and

other Devices Supporting IP Media Streams

LLDP-MED Class 3 End-User IP Communication

Devices Such As VoIP Telephones

Figure 15-14. Example of LLDP-MED Network Elements

LLDP-MED Endpoint Support. LLDP-MED interoperates with directly

connected IP telephony (endpoint) clients having these features and services:

■ able to autonegotiate speed and duplex configuration with the switch

■ able to use the following network policy elements configured on the

client port

• voice VLAN ID

• 802.1p (Layer 2) QoS

• Diffserv codepoint (DSCP) (Layer 3) QoS

■ discover and advertise device location data learned from the switch

■ support emergency call service (ECS—such as E911, 999, and 112)

■ advertise device information for the device data inventory collected

by the switch, including:

• hardware revision • serial number • asset ID

• firmware revision • manufacturer name

• software revision • model name

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