This feature is only supported on the 7210 SAS-Sx/S 1/10GE operating in the standalone or standalone-VC mode.
The IEEE standard 802.1AB is designed to provide a multivendor solution for the discovery of elements on an Ethernet Layer 2 data network. The LLDP standard allows nodes attached to an Ethernet LAN/WAN to advertise functionalities provided by that node to other nodes attached to the same LAN segment. See Link Layer Discovery Protocol for more information about IEEE 802.1AB.
The ANSI/TIA-1057 standard, Link Layer Discovery Protocol for Media Endpoint Devices, provides extensions to IEEE 802.1AB that are specific to media endpoint devices (MEDs), for example, voice phone and video terminal, in an IEEE 802 LAN environment. This standard defines specific usage of the IEEE 802.1AB LLDP base specification and interaction behavior between MEDs and LAN infrastructure elements.
LLDP media endpoint discovery (LLDP-MED) is an extension of LLDP that provides basic provisioning information to connected media endpoint devices. LLDP-MED extends LLDP protocol messages with more information to support voice over IP (VoIP) applications.
On the 7210 SAS, LLDP-MED supports the exchange of network policy information to provide the VLAN ID, dot1p bits, and IP DSCP value to media endpoint devices such as a VoIP phone.
The following TLVs are supported for LLDP-MED:
LLDP-MED Capabilities TLV
Network Policy TLV