User Guide

CHAPTER

4-1

Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide

OL-11495-01

System Startup and Basic

Configuration

The system startup process and a procedure for performing a basic configuration

of your Cisco 12016, Cisco 12416, or Cisco 12816 router is presented in the

following sections:

• Sources of Cisco IOS Software, page 4-2

• Preconfiguration Requirements, page 4-2

• Boot Process Overview, page 4-3

• Powering On the Router and Observing the Boot Process, page 4-4

• Manually Booting the System, page 4-11

• Configuring the Router, page 4-14

• Cisco IOS User Interface, page 4-15

• Configuring the Software Configuration Register, page 4-31

• Recovering a Lost Password, page 4-41

• Using RP Flash Memory Cards, page 4-44

• Post-Installation Procedures, page 4-63