CONTENTS

 

 

 

 

Mapping Ethernet and ATM Addresses 2-6

 

ABOUT THIS GUIDE

 

 

 

 

Address Resolution 2-6

 

 

 

 

 

Introduction 1

 

 

LAN Emulation Address Resolution Protocol (LE_ARP)

 

Terminology 1

 

2-7

 

ATM Terminology 1

 

 

What Happens to Unicast Frames? 2-7

 

Finding Information in This Guide 2

 

 

What Happens to Broadcast and Multicast Frames? 2-7

 

Conventions 2

 

ATM Adaptation Layer (AAL) 2-8

 

Related Documentation 3

 

Asynchronous Transfer Mode (ATM) Layer 2-8

 

 

 

 

ATM is Cell-based 2-8

1

 

 

 

ATM is Service Transparent 2-9

FEATURES AND BENEFITS

 

 

 

ATM is Connection-oriented 2-9

 

ATM Benefits 1-1

 

 

 

 

 

Switched Virtual Circuits (SVCs) 2-12

 

ATM Module Features 1-2

 

 

 

 

 

Permanent Virtual Circuits (PVCs) 2-12

 

 

 

 

2

 

 

 

ATM Interfaces 2-12

NETWORK LAYER CONCEPTS

 

 

Interim Local Management Interface (ILMI) 2-13

 

The Layered Network Architecture 2-1

 

 

ATM Address Registration 2-13

 

Upper Layer Protocols 2-2

 

 

The ATM Layer and Cell Structure 2-14

 

What is LAN Emulation (LANE)? 2-2

 

Physical Layer 2-15

 

LAN Emulation Components 2-3

 

 

SONET STS-3c 2-15

 

LAN Emulation Client (LEC) 2-3

 

 

SDH STM-1 2-15

 

LAN Emulation Server (LES) 2-3

 

 

 

 

Broadcast and Unknown Server (BUS) 2-3

3

VIRTUAL LAN CONCEPTS

 

LAN Emulation Configuration Server (LECS) 2-3

 

What is a Virtual LAN (VLAN)? 3-1

 

 

 

LAN Emulation Components in Your Network 2-4

Creating Inter-switch VLANs 3-1

LAN Emulation and IBM Devices 2-4

Extending VLANs into the ATM Network 3-2

Joining the ELAN 2-5

 

Locating the LECS 2-5

 

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IBM ATM OC-3c manual Contents