Cisco Cisco Content Security Management Appliance M160 사용자 가이드
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AsyncOS 10.0 for Cisco Content Security Management Appliances User Guide
Chapter 14 Common Administrative Tasks
Upgrading AsyncOS
Before You Upgrade: Important Steps
Before You Begin
See network requirements at
Procedure
Step 1
Take steps to prevent or minimize data loss:
•
Make sure the new appliance has sufficient disk capacity and the same or greater size allocations for
each data type that will be transferred. See
each data type that will be transferred. See
•
If you have received any disk space warnings, resolve any disk space issues before upgrading.
Step 2
Save the XML configuration file off the appliance. See caveats at
.
If you need to revert to the pre-upgrade release for any reason, you will need this file.
Step 3
If you are using the Safelist/Blocklist feature, export the list off the appliance.
Click Management Appliance > System Administration > Configuration File and scroll down.
Step 4
Suspend the listeners using the suspendlistener command when running the upgrade from the CLI. If
you perform the upgrade from the GUI, listener suspension occurs automatically.
you perform the upgrade from the GUI, listener suspension occurs automatically.
Step 5
Drain the mail queue and the delivery queue.
Step 6
Verify that the upgrade settings are configured as you want them. See
Upgrading AsyncOS
You can download and install in a single operation, or download in the background and install later.
Note
When downloading and upgrading AsyncOS in a single operation from a local server instead of from a
Cisco server, the upgrade installs immediately while downloading.
A banner displays for 10 seconds at the beginning of the upgrade process. While this banner is displayed,
you have the option to type Control-C to exit the upgrade process before downloading starts.
Cisco server, the upgrade installs immediately while downloading.
A banner displays for 10 seconds at the beginning of the upgrade process. While this banner is displayed,
you have the option to type Control-C to exit the upgrade process before downloading starts.
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
•
Before installing the upgrade, follow the instructions in