You use the command-line interface of the Cisco IOS Software to enter the
con?¬?guration details into the Cisco switches and routers that implement the network
requirements of an organization. To understand how to con?¬?gure the more complex protocols
and functions of Cisco routers and switches, you need to understand the basics of IOS Software.
This chapter brie?¬‚y reviews some of the key elements of the Cisco IOS Software, provided as
an aid for the con?¬?guration details in this book. The chapter is in no way intended to be
comprehensive and assumes that the reader has Cisco IOS familiarity or has completed the
Interconnecting Cisco Network Devices (ICND), Part 1 materials.
If you ?¬?nd this chapter to be lacking or you do not feel comfortable with the commands and
content presented here, please refer to Authorized Self-Study Guide: Interconnecting Cisco
Network Devices, Part 1 from Cisco Press.
Chapter Objectives
Upon completing this chapter, you will have reviewed how to con?¬?gure and manage a Cisco IOS
device. This ability includes being able to meet the following objectives:
?– Implement a basic switch and router con?¬?guration
?– Understand the modes and features of Cisco IOS
Cisco IOS Software is implemented on most Cisco hardware platforms, including switches and
routers.
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