Cisco Router 860, 880 Series User Manual

 
PART 5
Reference Information (Appendixes) 

 
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Cisco 860 and Cisco 880 Series Integrated Services Routers Software Configuration Guide
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APPENDIXA
Cisco IOS Software Basic Skills
Understanding how to use Cisco IOS software can save you time when you are configuring your router. 
This appendix contains the following sections which provide basic information:
 Configuring the Router from a PC, page A-1
 Understanding Command Modes, page A-2
 Getting Help, page A-4
 Enable Secret Passwords and Enable Passwords, page A-5
 Entering Global...

 
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Appendix A      Cisco IOS Software Basic Skills
  Understanding Command Modes
You can use the terminal emulation software to change settings for the router that is connected to the PC. 
Configure the software to the following standard VT-100 emulation settings so that your PC can 
communicate with your router:
 9600 baud
 8 data bits
 No parity
 1 stop bit
 No flow control
These settings should match...

 
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Appendix A      Cisco IOS Software Basic Skills
  Understanding Command Modes
Ta b l e A-2 Command Modes Summary 
ModeAccess MethodPromptMode Exit and EntranceAbout This Mode
User EXECBegin a session with 
your router.Router>To exit a router session, enter 
the logout command. Use this mode to:
 Change terminal settings.
 Perform basic tests.
 Display system information.
Privileged 
EXECEnter the...

 
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Appendix A      Cisco IOS Software Basic Skills
  Getting Help
Getting Help
You can use the question mark (?) and arrow keys to help you enter commands.
For a list of available commands for a prticular command mode, enter a question mark:
Router> ?
access-enable Create a temporary access-list entry
access-profile Apply user-profile to interfaceclear Reset functions
.
..
To complete a command, enter a...

 
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Appendix A      Cisco IOS Software Basic Skills
  Enable Secret Passwords and Enable Passwords
Enable Secret Passwords and Enable Passwords
By default, the router ships without password protection. Because many privileged EXEC commands are 
used to set operating parameters, you should password-protect these commands to prevent unauthorized 
use. 
You can use two commands to do this:
 enable secret...

 
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Appendix A      Cisco IOS Software Basic Skills
  Using Commands
Using Commands
This section provides some tips about entering Cisco IOS commands at the command-line interface 
(CLI).
Abbreviating Commands
You only have to enter enough characters for the router to recognize the command as unique. This 
example shows how to enter the show version command:
Router # sh v 
Undoing Commands
If you want to...

 
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Cisco 860 and Cisco 880 Series Integrated Services Routers Software Configuration Guide
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Appendix A      Cisco IOS Software Basic Skills
  Saving Configuration Changes
Saving Configuration Changes
You must enter the copy running-config startup-config command to save your configuration changes 
toNVRAM so that they are not lost if there is a system reload or power outage. This example shows how 
to use this command to save your changes:
Router# copy running-config...

 
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Appendix A      Cisco IOS Software Basic Skills
  Where to Go Next