Chapter 3 Installing the Cisco 12404 Internet Router
Configuring the Router
3-53
Cisco 12404 Internet Router Installation and Configuration Guide
OL-11636-01
process. The
setup
command utility is described in
Global Configuration Mode
You can configure the router manually using the global configuration mode
through the Cisco IOS command line interface (CLI). This method requires you
to enter configuration commands on a line-by-line basis at the system console,
without being prompted by the
setup
command configuration script. Global
configuration mode is described in
Global Configuration Mode, page 3-53
Cisco IOS User Interface
The Cisco IOS software provides a command line interface that allows you to
configure and manage your router. If you are unfamiliar with the Cisco IOS
command line interface, you should read the “Using the Command Line
Interface” chapter in the Cisco
Configuration Fundamentals Configuration Guide
where different command modes, context-sensitive help, and editing features are
discussed.
User Interface Command Modes
The Cisco IOS user interface is organized into many different modes. The
commands available to you at any given time depend on which mode you are
currently in. Entering a question mark (?) at the system prompt displays a list of
commands available for the current command mode.
When you start a session on the router, you begin in user mode, often called EXEC
mode. Only a limited subset of the commands are available in EXEC mode. In
order to have access to all commands, you must enter privileged EXEC mode.
Normally, you must enter a password to enter privileged EXEC mode. From
privileged EXEC mode, you can enter any EXEC command or enter global
configuration mode. Most of the EXEC commands are one-time commands, such
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