This chapter covers the following topics that you will need to master as a CCNA:
·
Point-to-Point Leased Lines
This section covers basic operation and terminology
used with point-to-point leased lines. Configuration and debugging of PPP, HDLC,
and LAPB are shown as well.
·
Frame Relay Protocols
Frame Relay is one of the most popular WAN services
today. The concepts and terminology used with Frame Relay are discussed in detail,
including the use of Frame Relay DLCIs.
·
Frame Relay Configuration
Several variations for Frame Relay configuration
exist. This section covers the default style of configuration and then discusses the
various options. The text also details design choices of how to assign IP subnet and
IPX network numbers.
·
ISDN Protocols and Design
As with Frame Relay, ISDN has its own set of
concepts, terms, and acronyms. This section covers the protocol basics.
·
Dial-on-Demand Routing and ISDN Configuration
Dial-on-demand routing
(DDR) is the name for the IOS features that relate to dialing other routers to add new
links for routing packets. This section covers DDR concepts and configuration, with
ISDN configuration information interspersed.
·
A Comparison of WAN Options
This section gives a brief summary of the WAN
options covered in this chapter.
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