Cisco 2650 - 2650 Router Manual de usuario descargar pdf (Pagina 4)

1 Cisco Inter-network Operating System (IOS)

1.1 Cisco IOS Operation Modes

The Cisco Software provides access to four different command modes. There are more

commands, but in normal use they are not necessary. Each command mode provides a

different group of related commands. For security purposes, the Cisco IOS software

provides two levels of access to commands: user and privileged. The unprivileged user

mode is called user EXEC mode. The privileged mode is called privileged EXEC mode

and requires a password.

The following table, Table (1) describes four used modes, how to enter the modes and

the resulting prompts. The prompt helps you identify which mode you are in and

therefore which commands are available to you. In Fig. (1) these four operation modes

are presented as a figure.

Table 1. Accessing and Exiting Command Modes.

Command Mode Access Method Prompt Exit Method

User EXEC Log in.

Router>

Use the logout

command.

Privileged EXEC From user EXEC

mode, use the enable

EXEC Command

Router#

To return to user EXEC

mode, use the disable

command

Global configuration From privileged

EXEC mode, use the

configure terminal

privileged EXEC

command.

Router(config)# To return to privileged

EXEC mode from

global configuration

mode, use the exit or

end command, or press

Ctrl-Z.

Interface configuration From global

configuration mode,

specify an interface

using an interface (or

router) command

Router(config-if)#

Router(config-

router)#

To return to global

configuration mode use

the exit command. To

return to privileged

EXEC mode, use the

end command, or press

Ctrl-Z.

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Cisco 2650 - 2650 Router Manual de usuario Pagina 4

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