
115391-A Rev. A 10-1
Chapter 10
PPP Concepts
This chapter introduces concepts you can use to customize the Point-to-Point
Protocol (PPP) software on a BayStream platform.
PPP Overview
PPP is a standard method of routing datagrams between peer routers or other
devices over serial point-to-point links (F
igure 10-1).
Figure 10-1. Point-to-Point Network Connection
PPP serves three major functions:
• Data link layer connection and management
• Network layer connection and management
• Datagram encapsulation
LAN LAN
Router Router
Synchronous line
PPP0001A
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