
v
Contents
About This Guide
Audience ........................................................................................................................... xi
Before You Begin .............................................................................................................. xi
Bay Networks Customer Support .....................................................................................xii
CompuServe ..............................................................................................................xii
InfoFACTS .................................................................................................................xiii
World Wide Web ........................................................................................................xiii
How to Get Help ..............................................................................................................xiii
Conventions .....................................................................................................................xiv
Ordering Bay Networks Publications ............................................................................... xv
Acronyms ......................................................................................................................... xv
Chapter 1
XNS Overview
XNS Protocol Stack ........................................................................................................1-2
Protocol Layer/Level Support .........................................................................................1-3
Level 0 ......................................................................................................................1-3
Level 1 ......................................................................................................................1-4
Level 2 ......................................................................................................................1-4
XNS RIP Overview .........................................................................................................1-4
Error Protocol .................................................................................................................1-6
Echo Protocol .................................................................................................................1-7
Sequenced Packet Protocol ...........................................................................................1-8
Packet Exchange Protocol ..............................................................................................1-8
External Servers .............................................................................................................1-8
Static Routes ..................................................................................................................1-9
Adjacent Hosts .............................................................................................................1-11
Configurable Split Horizon ............................................................................................1-13
For More Information about XNS ..................................................................................1-14
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