
117360-A Rev. A 2-1
Chapter 2
PPP Concepts
This chapter describes PPP concepts that can help you decide how to customize
the PPP parameters for your system. This chapter also addresses special
configuration features of Bay Networks Point-to-Point Protocol (PPP) services. It
contains basic guidelines on configuring PPP interfaces. The following sections
describe each of these items.
Topic Page
PPP Overview 2-2
Routing over a PPP Link 2-4
Initializing a PPP Interface 2-5
Authenticating the PPP Link: PAP and CHAP 2-8
Negotiating Network Layer Protocols 2-9
Datagram Encapsulation 2-10
PPP Dial Services Support 2-10
Configuring IP to Run over PPP Interfaces 2-25
PPP Multilink 2-12
Differences between Multiline and Multilink 2-18
Monitoring PPP Link Quality 2-20
PPP Data Compression 2-22
Synchronous versus Asynchronous Connections 2-23
Configuring IP to Run over PPP Interfaces 2-25
Detecting Loopback Conditions 2-25
PPP Software Compatibility Issues 2-25
PPP Interoperability 2-27
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