Owner's manual

LLDP-MED overview
LLDP-MED is an extension to LLDP. This protocol enables advanced LLDP features in a Voice over IP
(VoIP) network. Whereas LLDP enables network discovery between Network Connectivity devices,
LLDP-MED enables network discovery between Network Connectivity devices and media Endpoints
such as, IP telephones, softphones, VoIP gateways and conference bridges.
The following diagram illustrates LLDP-MED connectivity.
FIGURE 4 LLDP-MED connectivity
Benefits of LLDP-MED
LLDP-MED provides the following benefits:
• Vendor-independent management capabilities, enabling different IP telephony systems to
interoperate in one network.
• Automatically deploys network policies, such as Layer 2 and Layer 3 QoS policies and Voice VLANs.
• Supports E-911 Emergency Call Services (ECS) for IP telephony
• Collects Endpoint inventory information
• Network troubleshooting
‐ Helps to detect improper network policy configuration
LLDP-MED overview
FastIron Ethernet Switch Administration Guide 167
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