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5.2 Using the CLI
5.2.1 CLI Command Modes
The Command Line Interface (CLI) syntax, conventions and terminology are described in this sec
Each CLI command is illustrated using the structure outlined below.
Introduction
To assist in configuring devices, the CLI comma
Each command mode has its own set of spe
prompt (console prompt) displays a list of commands available for that particular command mode.
From each mo
de a specific command is used to
standar
d order to access the modes is as
Co
nfiguration mode, and Interface Configuration mode. The fo
mo
de access path.
Wh
en starting a session, the initial mode is the User EXEC mo
ava b
ila le in User EXEC Mode. This level is reserved for tasks that do not change the c
enter the n
ext level, the Privileged EXEC mode, a password is required.
The Privilege
d mode gives access to commands that are restricted on EXEC mode and provides acces
to the device Configuration mode.
The Global Configuration mode manag
configurations enter the next level, the Interface Configuration Mode.
The Interface Configuration mode configures specific interfaces in the device.
User EXEC Mode
After logging into the device, the user is automatically in user EXEC command mode unless the user is
defined as a privileged user. In gen
and list system information.
The user-level p
rompt consists of the device "host name" followed by the angle bracket (>).
console >
T
he default host name is "Console" unless it has been changed using the hostnam
Globa
l Configuration mode.
P
rivileged EXEC Mode
Because many of the privileged commands set operating parameters, privileged access is password
nd-line interface is divided into different command modes.
cific commands. Entering a question mark "?" at the system
navigate from one command mode to another. The
follows: User EXEC mode, Privileged EXEC mode, Global
es the device configuration on a global level. For specific interface
eral, the user EXEC commands allow the user to perform basic tests,
llowing figure illustrates the command
de. Only a limited subset of commands is
e command in the
tion.
onfiguration. To
s
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