Avaya 802.1X User Manual
802.1X Authentication,
Link Layer Discovery Protocol (LLDP),
and Avaya IP Telephones
Abstract
The purpose of this document is to discuss 802.1X Authentication and Link Layer Discovery
Protocol (LLDP) in Avaya IP Telephones. As of H.323 Release 2.6 for 46xx, H.323 Release
1.0 for 96xx, SIP Release 2.0 for 96xx, and H.323 Release 1.0 for 16xx Avaya IP Telephones,
an 802.1X Supplicant is supported. Pass-through of 802.1X messages to support authentication
of a PC attached to the phone is also supported. As of H.323 Release 2.6 for 46xx, H.323
Release 1.2 for 96xx, and SIP Release 2.0 for 96xx Avaya IP Telephones, support for LLDP
has been added as well. This document outlines the features and their functionality and use.
Revised by: JWS
Date (04/14/09)
Application Note
©2006, 2008 Avaya Inc. All Rights Reserved.
1 of 9
802.1x-LLDP.doc
Table of Contents
1 INTRODUCTION................................................................................................................. 4
2 802.1X PORT-BASED NETWORK ACCESS CONTROL.............................................. 4
2.1 802.1X
PASS THROUGH (PC AUTHENTICATION) ............................................................. 5
2.2 802.1X SUPPLICANT OPERATION (TELEPHONE AUTHENTICATION).................................5
3 LINK LAYER DISCOVERY PROTOCOL (LLDP)........................................................ 5
3.1 LLDP
3.2 LLDP
ON AVAYA IP TELEPHONES................................................................................... 6
FOR MEDIA ENDPOINT DEVICES (LLDP MED)..................................................... 7
3.3 AVAYA PROPRIETARY LLDP TLVS ................................................................................ 8
4 ADDITIONAL REFERENCES........................................................................................... 9
Revised by: JWS
Date (04/14/09)
Application Note
©2006, 2008 Avaya Inc. All Rights Reserved.
2 of 9
802.1x-LLDP.doc
Definitions
Acronym Definition
ANSI American National Standards Institute
CNA Converged Network Analyzer
DHCP Dynamic Host Configuration Protocol
EAP Extensible Authentication Protocol
EAPoL Extensible Authentication Protocol over LAN
HTTP Hyper-Text Transfer Protocol
IEEE Institute of Electrical and Electronics Engineers
LAN Local Area Network
LLDP Link Layer Discovery Protocol
LLDP MED Link Layer Discovery Protocol for Media Endpoint Devices
MAC Media Access Control
MIB Management Information Base
OID Object Identifier
PoE Power over Ethernet
QoS Quality of Service
SNMP Simple Network Management Protocol
TFTP Trivial File Transfer Protocol
TIA Telecommunications Industry Association
TLS Transport Layer Security
TLV Type-Length-Value
VLAN Virtual Local Area Network
Revised by: JWS
Date (04/14/09)
Application Note
©2006, 2008 Avaya Inc. All Rights Reserved.
3 of 9
802.1x-LLDP.doc
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