Link Layer Discovery Protocol (Lldp) - Avaya 1600 Series Administrator's Manual

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Administering Deskphone Options

Link Layer Discovery Protocol (LLDP)

Release 1.1 1600 Series IP Deskphones support IEEE 802.1AB. Link Layer Discovery Protocol (LLDP)

is an open standards layer 2 protocol IP Deskphones use to advertise their identity and capabilities and

to receive administration from an LLDP server. LAN equipment can use LLDP to manage power,

administer VLANs, and provide some administration.

The transmission and reception of LLDP is specified in IEEE 802.1AB-2005. The 1600 Series IP

Deskphones use Type-Length-Value (TLV) elements specified in IEEE 802.1AB-2005, TIA TR-41

Committee - Media Endpoint Discovery (LLDP-MED, ANSI/TIA-1057), and Proprietary elements. LLDP

Data Units (LLDPDUs) are sent to the LLDP Multicast MAC address (01:80:c2:00:00:0e).

These deskphones:

do not support LLDP on the secondary Ethernet interface.

●

will not forward frames received with the 802.1AB LLDP group multicast address as the

●

destination MAC address between the Ethernet line interface and the secondary Ethernet

interface.

A 1600 Series IP Deskphone initiates LLDP after receiving an LLDPDU message from an appropriate

system. Once initiated, the deskphones send an LLDPDU every 30 seconds with the following

contents:

Table 11: LLDPDU Transmitted by the 1600 Series IP Deskphones

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