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Avaya M770 M-ACCF/SF ATM Access Modules User’s Guide

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Contents

Finding Information in This Guide .......................................................... II
Conventions ...........................................................................................  III

ATM Benefits ........................................................................................... 1
ATM Access Module Features .............................................................. 2

LAN Emulation Client (LEC)  .................................................... 3
LAN Emulation Server (LES)  .................................................... 4
Broadcast and Unknown Server (BUS)  .................................... 4
LAN Emulation Configuration Server (LECS)  ....................... 4

Control VCCs ............................................................................... 5
Data VCCs  .................................................................................... 6
Frame Ordering  ........................................................................... 7

Connecting a LEC to an ELAN  ................................................. 8
Registration .................................................................................. 9
Address Resolution ................................................................... 10
Connection Management  ......................................................... 10
LAN Emulation Components in Your Network  .................. 10
Joining the ELAN  ...................................................................... 12
Mapping Ethernet and ATM Addresses ................................ 12
What Happens to Unicast Frames?  ........................................ 14
What Happens to Broadcast and Multicast Frames?  ........... 14