Cisco Cisco Email Security Appliance X1070 用户指南
33-26
Cisco AsyncOS 9.0 for Email User Guide
Chapter 33 System Administration
Upgrading AsyncOS
Before You Begin
•
Choose whether you will download upgrades directly from Cisco or will host upgrade images from
a server on your network. Then set up your network to support the method you choose. Then
configure the appliance to obtain upgrades from your chosen source. See
a server on your network. Then set up your network to support the method you choose. Then
configure the appliance to obtain upgrades from your chosen source. See
.
•
If you will install the upgrade now, follow the instructions in
•
If you are installing the upgrade in a clustered system, see
•
If you will only download the upgrade, there are no prerequisites until you are ready to install it.
Procedure
Step 1
Choose System Administration > System Upgrade.
Step 2
Click Upgrade Options.
Step 3
Choose an option:
Step 4
Unless you are installing a previously-downloaded installer, select an AsyncOS version from the list of
available upgrades.
available upgrades.
Step 5
If you are installing:
a.
Choose whether or not to save the current configuration to the
configuration
directory on the
appliance.
b.
Choose whether or not to mask the passwords in the configuration file.
Note
You cannot load a configuration file with masked passwords using the Configuration File page
in the GUI or the
in the GUI or the
loadconfig
command in the CLI.
To Do
This
Download and install the
upgrade in a single operation
upgrade in a single operation
Click Download and Install.
If you have already downloaded an installer, you will be prompted to
overwrite the existing download.
overwrite the existing download.
Download an upgrade installer Click Download only.
If you have already downloaded an installer, you will be prompted to
overwrite the existing download.
overwrite the existing download.
The installer downloads in the background without interrupting
service.
service.
Install a downloaded upgrade
installer
installer
Click Install.
This option appears only if an installer has been downloaded.
The AsyncOS version to be installed is noted below the Install
option.
option.