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Cisco Secure Router 520 Series Software Configuration Guide
OL-14210-01
APPENDIX
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Cisco IOS Software Basic Skills

Understanding how to use Cisco IOS software can save you time when you are configuring your router.
If you need a refresher, take a few minutes to read this appendix.
This appendix contains the following sections:
• Configuring the Router from a PC
• Understanding Command Modes
• Getting Help
• Enable Secret Passwords and Enable Passwords
• Entering Global Configuration Mode
• Using Commands
• Saving Configuration Changes
• Summary
• Where to Go Next
If you are already familiar with Cisco IOS software, go to one of the following chapters:
• Chapter 1, “Basic Router Configuration”
• Chapter 2, “Sample Network Deployments”
• One of the configuration topic chapters described in Chapter 10, “Additional Configuration
Options.”

Configuring the Router from a PC

You can configure your router from a PC connected through the console port using terminal emulation
software. The PC uses this software to send commands to your router. Table A-1 lists some common
types of this software, which are based on the type of PC you are using.
Tab l e A-1 Terminal Emulation Software
PC Operating System Software
Windows 95, Windows 98, Windows 2000,
Windows NT, Windows XP
HyperTerm (included with Windows software),
ProComm Plus