13-56
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
Figure 13-16. 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
IP Network
Infrastructure
(IEEE 802 LAN)
IP Network
Infrastructure
(IEEE 802 LAN)
IP Network
Infrastructure
(IEEE 802 LAN)
IP Network
Infrastructure
(IEEE 802 LAN)
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
