Chapter 3. The Basics of Device Interfaces

Basic Interface Configuration ” The basics of configuring a device interface in the Cisco IOS.

Local-Area Network Technologies ” A brief overview of the local-area network technologies found on Cisco devices, including Ethernet/IEEE 802.3, Fast Ethernet, Gigabit Ethernet, Token Ring/IEEE 802.5, and FDDI.

Wide-Area Network and Dialup Network Technologies ” A brief overview of the wide-area network and dialup network technologies found on Cisco devices, including HDLC, PPP, X.25, Frame Relay, ATM, DSL, and ISDN.

This chapter explains the basics of the technology and configuration for the various interface types found on Cisco devices. Both LAN and WAN technologies are considered . We have chosen to cover the five LAN and seven WAN technologies that are widely used.