Cisco Cisco Content Security Management Appliance M160 Guia Do Utilizador
13-26
Cisco IronPort AsyncOS 8.0 for Security Management User Guide
Chapter 13 Common Administrative Tasks
Important Note About Reversion Impact
Using the
revert
command on a Cisco IronPort appliance is a very destructive action. This command
permanently destroys all configuration logs and databases. In addition, it disrupts mail handling until the
appliance is reconfigured. Because this command destroys all configuration, it is highly recommended
that you have physical local access to the Cisco IronPort appliance when you want to issue the
appliance is reconfigured. Because this command destroys all configuration, it is highly recommended
that you have physical local access to the Cisco IronPort appliance when you want to issue the
revert
command.
Warning
You must have a configuration file for the version you want to revert to. Configuration files are not
backwards-compatible.
backwards-compatible.
Reverting AsyncOS
Procedure
Step 1
Ensure that you have the configuration file for the version you want to revert to. Configuration files are
not backwards-compatible.
not backwards-compatible.
Step 2
Save a backup copy of the current configuration of your appliance (with passwords unmasked) on
another machine. To do this, you can email the file to yourself or FTP the file. A simple way to do this
is to run the
another machine. To do this, you can email the file to yourself or FTP the file. A simple way to do this
is to run the
mailconfig
CLI command, which emails the current configuration file on your appliance
to the specified email address.
Note
This is not the configuration file you will load after reverting.
Step 3
If you use the Safelist/Blocklist feature, export the Safelist/Blocklist database to another machine.
Step 4
Suspend any listeners on your Email Security appliances.
Step 5
Wait for the mail queue to empty.
Step 6
Log in to the CLI of the appliance you want to revert.
When you run the
revert
command, several warning prompts are issued. Once these warning prompts
are accepted, the revert action takes place immediately. Therefore, do not begin the reversion process
until after you have completed the prereversion steps.
until after you have completed the prereversion steps.
Step 7
From the command line prompt, type the revert command and respond to the prompts.
The following example shows the revert
command:
m650p03.prep> revert
This command will revert the appliance to a previous version of AsyncOS.
WARNING: Reverting the appliance is extremely destructive.
The following data will be destroyed in the process:
- all configuration settings (including listeners)
- all log files
- all databases (including messages in Virus Outbreak and Policy
quarantines)
- all reporting data (including saved scheduled reports)
- all message tracking data
- all Cisco IronPort Spam Quarantine message and end-user safelist/blocklist data