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Chapter 2
Command-Line Interfaces
ROM-monitor mode is a separate mode that is used when the switch cannot boot properly. For example,
the switch might enter ROM-monitor mode if it does not find a valid system image when it is booting,
or if its configuration file is corrupted at startup. For more information, see the
Command-Line Interface" section on page
Table 2-5
Table 2-5
Frequently Used Cisco IOS Command Modes
Mode
User EXEC
Privileged EXEC (enable)
Global configuration
Interface configuration
Console configuration
The Cisco IOS command interpreter, called the EXEC, interprets and executes the commands that you
enter. You can abbreviate commands and keywords by entering just enough characters to make the
command unique from other commands. For example, you can abbreviate the show command to sh and
the configure terminal command to config t.
When you type exit, the switch backs out one level. To exit configuration mode completely and return
to privileged EXEC mode, press Ctrl-Z.
OL-8978-04
lists and describes the most commonly used Cisco IOS modes.
Description of Use
Connect to remote devices,
change terminal settings on a
temporary basis, perform basic
tests, and display system
information.
Set operating parameters. The
privileged command set
includes the commands in user
EXEC mode as well as the
configure command. Use this
command to access the other
command modes.
Configure features that affect
the system as a whole.
Many features are enabled for a
particular interface. Interface
commands enable or modify the
operation of a Gigabit Ethernet
or Fast Ethernet interface.
From the directly connected
console or the virtual terminal
used with Telnet, use this
configuration mode to configure
the console interface.
2-1.
How to Access
Log in.
From the user EXEC mode,
enter the enable command and
the enable password.
From the privileged EXEC
mode, enter the configure
terminal command.
From global configuration
mode, enter the interface type
location command.
From global configuration
mode, enter the line console 0
command.
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
MSFC Command-Line Interface
"ROM-Monitor
Prompt
Router>
Router#
Router(config)#
Router(config-if)#
Router(config-line)#
2-9
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Troubleshooting
