HP 6120XG ProCurve Series 6120 Blade Switches Management and Configuration Gui - Page 348

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 Access to LLDP-MED Endpoints LLDP-MED Class 1 Generic Endpoints Such As IP Call Control Devices IPIPNNeetwtwoorkrk InInfrfarasstrturucctuturere (I(EIEEEEE880022LLAANN) ) 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 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 13-56