This soft copy for use by IBM employees only.

Preface

This redbook provides a detailed overview of the IBM 8285 Nways ATM Workgroup Switch, from both functional and operational viewpoints. It provides everything you need to know to plan, implement, debug, manage, and maintain an ATM network using the 8285 switch. It includes scripted and tested configuration scenarios to simplify and expedite the initial implementation, and debugging and tuning guidelines to optimize the ATM network. In addition, it covers the very latest modules and features of the 8285/8260 family of ATM switches, including the ATM WAN Module, and the Video Distribution Module.

This book is intended for all networking personnel involved in planning, implementing, and/or maintaining an ATM network based on the IBM 8285 Nways ATM Workgroup Switch. A working knowledge of ATM is helpful but not necessary.

How This Redbook Is Organized

This redbook contains 296 pages. It is organized as follows:

Chapter 1, ªIntroduction to ATM Networksº

This chapter provides an overview of ATM, LAN Emulation, and Classical IP networks. This information provides a basis for understanding many of the operational aspects of the IBM 8285 Nways ATM Workgroup Switch.

Chapter 2, ªIntroduction to the IBM 8285 Nways ATM Workgroup Switchº

This chapter provides an overview of the major features of the IBM 8285 Base Unit and the IBM 8285 Expansion Chassis. This information will familiarize the reader with the overall layout and design of the 8285 switch

Chapter 3, ªFunctional Overview of the IBM 8285º

This chapter provides a detailed view of the functions of the 8285 switch and how it performs them. Included are details about the internal architecture, switching mechanisms (including an in-depth technical description of the switching process), control point codes, and the capabilities of the integrated Forum-Compliant LAN Emulation server.

Chapter 4, ªIBM 8285 ATM Modulesº

This chapter provides an overview of the many modules that can be installed with the 8285 switch. These modules provide performance and flexibility, and enable the 8285 switch to be used in a wide variety of network configurations.

Chapter 5, ª8285 ATM Network Specificationsº

This chapter provides an overview of the ATM capabilities specific to the 8285 switch. The overview includes discussions of which ATM features are supported, what the maximum system capabilities are, and how these capabilities might be implemented.

Chapter 6, ªIBM 8285 Planning and Installingº

Copyright IBM Corp. 1996

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IBM SG24-4817-00 manual Preface, How This Redbook Is Organized