
114055 Rev. A
1-1
Chapter 1
XNS Overview
This chapter provides information on the Bay Networks implementation of the
Xerox Network Systems (XNS) router software. The Bay Networks
implementation of XNS is based on the
Xerox System Integration Standard
specification (Xerox Corporation, December 1981), commonly referred to as
The
Gray Book
.
This chapter describes the following topics:
• XNS Protocol Stack
• Protocol Layer/Level Support
• XNS Routing Information Protocol (RIP)
• Error Protocol
• Echo Protocol
• Sequenced Packet Protocol
• Packet Exchange Protocol
• External Servers
• Static Routes
• Adjacent Hosts
• Configurable Split Horizon
The following sections describe the XNS protocol stack and the internetworking
services pertaining to the Bay Networks router running XNS software.
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