Cisco Router 800 Series Software Configuration Guide

 
9-59
Cisco 800 Series Software Configuration Guide
78-5372-06
Chapter 9      Troubleshooting
Managing the Cisco Router Web Setup Tool
NoteTo return to the configuration being used before you recovered the lost 
enable password, do not save the configuration changes before rebooting 
the router.
Step 4Reboot the router, and enter the recovered password.
Managing the Cisco Router Web Setup Tool 
The Cisco Router Web Setup tool is a free software configuration utility, 
supporting the Cisco 800 series DSL...

 
Chapter 9      Troubleshooting
Managing the Cisco Router Web Setup Tool
9-60
Cisco 800 Series Software Configuration Guide
78-5372-06 

 
A-1
Cisco 800 Series Software Configuration Guide
78-5372-06
APPENDIXA
Cisco IOS Basic Skills
Understanding how to use Cisco IOS software saves time when you are 
configuring your router. If you need a refresher, take a few minutes to read this 
chapter. If you are already familiar with Cisco IOS software, see Chapter 7, 
“Router Feature Configuration,” and Chapter 8, “Advanced Router 
Configuration.”
This chapter describes what you need to know before you begin configuring your 
Cisco 800 series...

 
Appendix A      Cisco IOS Basic Skills
Configuring the Router from a PC
A-2
Cisco 800 Series Software Configuration Guide
78-5372-06
Configuring the Router from a PC
You can configure your router from a connected PC. For information on how to 
connect the PC, refer to the Cisco 826 Routers Hardware Installation Guide. 
After connecting the PC, you need terminal emulation software. The PC uses this 
software to send commands to your router. Ta b l e A - 1 lists some common types 
of this software, which...

 
A-3
Cisco 800 Series Software Configuration Guide
78-5372-06
Appendix A      Cisco IOS Basic Skills
Understanding Command Modes
Understanding Command Modes
This section describes the Cisco IOS command mode structure. Each command 
mode supports specific Cisco IOS commands. For example, you can use the 
interface type number command only from global configuration mode.
The following Cisco IOS command modes are hierarchical. When you begin a 
router session, you are in user EXEC mode.
User EXEC...

 
Appendix A      Cisco IOS Basic Skills
Understanding Command Modes
A-4
Cisco 800 Series Software Configuration Guide
78-5372-06
Table A-2 Command Modes Summary
Mode Access Method PromptExit/Entrance 
Method About this Mode
User EXEC Begin a session with 
your router.
Router>To exit router 
session, enter the 
logout command. Use this mode to:
Change terminal 
settings.
Perform basic tests.
Display system 
information.
Privileged 
EXECEnter the enable 
command from user 
EXEC mode.
Router#To exit to...

 
A-5
Cisco 800 Series Software Configuration Guide
78-5372-06
Appendix A      Cisco IOS Basic Skills
Understanding Command Modes
Global 
configurationEnter the configure 
command from 
privileged EXEC 
mode.Router 
(config)#To exit to 
privileged EXEC 
mode, enter the exit 
or end command, 
or press Ctrl-Z.
To enter interface 
configuration 
mode, enter the 
interface 
command.Use this mode to 
configure parameters 
that apply to your router 
as a whole.
Also, you can access the 
following modes, which...

 
Appendix A      Cisco IOS Basic Skills
Getting Help
A-6
Cisco 800 Series Software Configuration Guide
78-5372-06
Getting Help
You can use the question mark (?) and arrow keys to help you enter commands.
For a list of available commands at that command mode, enter a question mark:
router> ?
access-enableCreate a temporary access-list entry
access-profileApply user-profile to interface
clearReset functions
...
To complete a command, enter a few known characters followed by a question 
mark (with no...

 
A-7
Cisco 800 Series Software Configuration Guide
78-5372-06
Appendix A      Cisco IOS Basic Skills
Enable Secret and Enable Passwords
For a list of command variables, enter the show command followed by a space 
and a question mark:
router> show ?
clock Display the system clock
dialerDialer parameters and statistics
exceptionexception information
...
To redisplay a command you previously entered, press the up-arrow key. You can 
continue to press the up arrow key for more commands.
Enable Secret and...

 
Appendix A      Cisco IOS Basic Skills
Entering Global Configuration Mode
A-8
Cisco 800 Series Software Configuration Guide
78-5372-06
Entering Global Configuration Mode
To make any configuration changes to your router, you must be in global 
configuration mode. This section describes how to enter global configuration 
mode while using a terminal or PC that is connected to your router console port.
To enter global configuration mode:
Step 1After your router boots up, answer no when the following...