Chapter One. Overview of Cisco Routers

This chapter provides an overview of the architecture, configuration, and monitoring of Cisco routers—information essential for understanding the other topics in the book. This chapter does not teach in depth, though, as readers are expected to have at least some prior experience with Cisco devices.

After presenting basic information about the hardware and software architecture of the routers, we discuss Cisco’s command line interface (CLI), which includes a set of embedded configuration, monitoring, and debugging commands. Next, we address the configuration of Cisco routers, including the commands to modify, store, and download router settings, followed by a description of the monitoring and troubleshooting ...

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