Configuring for Network Management Applications

LLDP (Link-Layer Discovery Protocol)

Power over Ethernet (PoE) status and troubleshooting support via

SNMP

support for IP telephony network troubleshooting of call quality issues via SNMP

This section describes how to configure and use LLDP-MED features in the switches to support VoIP network edge devices (Media Endpoint Devices) such as:

IP phones

voice/media gateways

media servers

IP communications controllers

other VoIP devices or servers

Switches Providing Network

 

LLDP-MED Class 1 Generic Endpoints

Access to LLDP-MED Endpoints

 

Such As IP Call Control Devices

 

 

 

 

 

IPIP NetworkNetwork

 

IP Network

 

InfrastructureInfrastructure

 

Infrastructure

LLDP-MED Class 2 Media Endpoints Such As

(IEEE(IEEE 802802 LAN)LAN)

(IEEE 802 LAN)

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 13-17. Example of LLDP-MED Network Elements

LLDP-MED Endpoint Support. LLDP-MED on the switches covered in this guide interoperates with directly connected IP telephony (endpoint) clients having these features and services:

able to autonegotiate speed and duplex configuration with the switch

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