Cisco PIX 525 Specifikace stáhnout pdf (Strana 42)

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Cisco Security Appliance Command Line Configuration Guide

OL-6721-01

Chapter 2 Getting Started

Working with the Configuration

Clearing and Removing Configuration Settings

To erase settings, enter one of the following commands.

• To clear all the configuration for a specified command, enter the following command:

hostname(config)# clear configure

configurationcommand

[

level2configurationcommand

]

This command clears all the current configuration for the specified configuration command. If you

only want to clear the configuration for a specific version of the command, you can enter a value for

level2configurationcommand.

For example, to clear the configuration for all aaa commands, enter the following command:

hostname(config)# clear configure aaa

To clear the configuration for only aaa authentication commands, enter the following command:

hostname(config)# clear configure aaa authentication

• To disable the specific parameters or options of a command, enter the following command:

hostname(config)# no

configurationcommand

[

level2configurationcommand

]

qualifier

In this case, you use the no command to remove the specific configuration identified by qualifier.

For example, to remove a specific nat command, enter enough of the command to identify it

uniquely as follows:

hostname(config)# no nat (inside) 1

• To erase the startup configuration, enter the following command:

hostname(config)# write erase

• To erase the running configuration, enter the following command:

hostname(config)# clear configure all

Note In multiple context mode, if you enter clear configure all from the system configuration, you

also remove all contexts and stop them from running.

Creating Text Configuration Files Offline

This guide describes how to use the CLI to configure the security appliance; when you save commands,

the changes are written to a text file. Instead of using the CLI, however, you can edit a text file directly

on your PC and paste a configuration at the configuration mode command-line prompt in its entirety, or

line by line. Alternatively, you can download a text file to the security appliance internal Flash memory.

See Chapter 31, “Managing Software, Licenses, and Configurations,” for information on downloading

the configuration file to the security appliance.

In most cases, commands described in this guide are preceded by a CLI prompt. The prompt in the

following example is “hostname(config)#”:

hostname(config)# context a

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 603 604

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