
117353-B Rev. 00
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Contents
About This Guide
Before You Begin ...........................................................................................................xxiv
Conventions ...................................................................................................................xxiv
Acronyms ........................................................................................................................xxv
Bay Networks Technical Publications ............................................................................xxvi
Bay Networks Customer Service ..................................................................................xxvii
How to Get Help ...........................................................................................................xxvii
Bay Networks Educational Services ............................................................................xxviii
Chapter 1
Dial Services Overview
How to Use This Guide ...................................................................................................1-2
Bay Networks Dial Services ...........................................................................................1-3
Network Access Methods and Services ...................................................................1-4
Dial-on-Demand Service ................................................................................................1-5
Demand Lines and Pools .........................................................................................1-6
How Demand Lines, Pools, and Circuits Work Together ..........................................1-7
Demand Circuit Protocols ........................................................................................1-8
Configuring Frame Relay to Work Optimally with Dial-on-Demand ..........................1-9
Activating Demand Circuits ....................................................................................1-10
Terminating Demand Circuits .................................................................................1-11
Bandwidth-on-Demand Service for Congested Demand Lines ..............................1-12
Dial Backup Service .....................................................................................................1-14
Circuit Backup versus Link Backup ........................................................................1-15
Knowing When the Primary Line Fails ...................................................................1-17
Backup Lines and Pools .........................................................................................1-18
How Backup Lines, Pools, and Circuits Work Together ..........................................1-19
Configuration of the Backup Circuit ........................................................................1-20
Activating the Backup Line .....................................................................................1-20
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