Cisco IPS 7.1 Installation Guide download pdf (Page 273)

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Cisco Intrusion Prevention System Appliance Hardware Installation Guide for IPS 7.1

OL-24002-01

Appendix E Troubleshooting

Preventive Maintenance

Creating and Using a Backup Configuration File

To protect your configuration, you can back up the current configuration and then display it to confirm

that is the configuration you want to save. If you need to restore this configuration, you can merge the

backup configuration file with the current configuration or overwrite the current configuration file with

the backup configuration file.

To back up your current configuration, follow these steps:

Step 1 Log in to the CLI using an account with administrator privileges.

Step 2 Save the current configuration. The current configuration is saved in a backup file.

sensor# copy current-config backup-config

Step 3 Display the backup configuration file. The backup configuration file is displayed.

sensor# more backup-config

Step 4 You can either merge the backup configuration with the current configuration, or you can overwrite the

current configuration:

• Merge the backup configuration into the current configuration.

sensor# copy backup-config current-config

• Overwrite the current configuration with the backup configuration.

sensor# copy /erase backup-config current-config

Backing Up and Restoring the Configuration File Using a Remote Server

Note We recommend copying the current configuration file to a remote server before upgrading.

Use the copy [/erase] source_url destination_url keyword command to copy the configuration file to a

remote server. You can then restore the current configuration from the remote server. You are prompted

to back up the current configuration first. The following options apply:

• /erase—Erases the destination file before copying.

This keyword only applies to the current-config; the backup-config is always overwritten. If this

keyword is specified for destination current-config, the source configuration is applied to the system

default configuration. If it is not specified for the destination current-config, the source

configuration is merged with the current-config.

• source_url—The location of the source file to be copied. It can be a URL or keyword.

• destination_url—The location of the destination file to be copied. It can be a URL or a keyword.

• current-config—The current running configuration. The configuration becomes persistent as the

commands are entered.

• backup-config—The storage location for the configuration backup.

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Cisco IPS 7.1 Installation Guide Page 273