Contents v
Contents
Preface
Purpose ........................................................................................................................... xv
Audience ..........................................................................................................................xv
Conventions .....................................................................................................................xvi
Special Message Formats .........................................................................................xvi
Use of Enter, Type, and Press ...................................................................................xvi
Other Conventions ...................................................................................................xvii
Related Publications .......................................................................................................xvii
Customer Support ......................................................................................................... xviii
World Wide Web ......................................................................................................xviii
Chapter 1
Introduction
About the Router ............................................................................................................ 1-1
Features .........................................................................................................................1-1
Key Features ............................................................................................................1-2
ISDN Support ...........................................................................................................1-3
Multilink PPP Support .............................................................................................. 1-3
TCP/IP Support ........................................................................................................1-3
Management Support ..............................................................................................1-3
Planning Considerations .................................................................................................1-4
Basic Concepts ........................................................................................................1-4
What Is a Router? ..............................................................................................1-4
Routing Information Protocol .............................................................................1-5
Routing Updates ................................................................................................1-5
Connecting to ISDN ................................................................................................. 1-6
Using Subaddressing and Multiple Subscriber Numbering ......................................1-7
Using TCP/IP ...........................................................................................................1-7
NGRRT210.BK Page v Friday, October 17, 1997 2:37 PM