Contents
viii
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Booting from the Cisco IOS Software Image 4-12
Configuring the Router 4-14
Cisco IOS User Interface 4-15
Cisco IOS User Interface Command Modes 4-15
User EXEC Mode 4-16
Privileged EXEC Mode 4-16
Global Configuration Mode 4-17
Using Setup for Configuration Changes 4-18
Configuring Global Parameters Using the Setup Facility 4-22
Configuring Network Interfaces 4-24
Checking the Software Version Number and Installed Interfaces 4-26
Using Global Configuration Mode 4-27
Verifying Running Configuration File Settings 4-28
Saving the Running Configuration Settings to NVRAM 4-29
Viewing the Running Configuration Settings 4-30
Configuring the Software Configuration Register 4-31
Setting Software Configuration Settings 4-33
Changing Software Configuration Register Settings 4-35
Low-Order Bits in the Software Configuration Register 4-37
High-Order Bits in the Software Configuration Register 4-39
Recovering a Lost Password 4-41
Using RP Flash Memory Cards 4-44
Installing and Removing a Flash Memory Card 4-44
Formatting a New Flash Memory Card 4-47
Specifying a Cisco IOS Software Image to Boot the System 4-48
Flash Memory Commands 4-49
pwd Command 4-49
cd Command 4-49
dir Command 4-50
delete Command 4-50