Cisco Cisco Email Security Appliance C170 Mode D'Emploi
Chapter 15 System Administration
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Cisco IronPort AsyncOS 7.1 for Email Configuration Guide
OL-22158-02
Upgrading AsyncOS
Before You Upgrade
Upgrading AsyncOS uses the following two step process:
Step 1
Configure the upgrade settings. You can configure settings that affect how the
Email Security appliance downloads the upgrade information. For example, you
can choose where to download the upgrade images from and more. For more
information, see
Email Security appliance downloads the upgrade information. For example, you
can choose where to download the upgrade images from and more. For more
information, see
Step 2
Upgrade AsyncOS. After you configure the upgrade settings, upgrade the version
of AsyncOS on the appliance. For more information see
of AsyncOS on the appliance. For more information see
.
As a best practice, IronPort recommends preparing for an upgrade by taking the
following steps:
following steps:
Step 1
Save the XML config file off-box.
Step 2
If you are using the Safelist/Blocklist feature, export the list off-box.
Step 3
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.
suspension occurs automatically.
Step 4
Drain the mail queue and the delivery queue.
Note
Re-enable the listeners post-upgrade.
Upgrading AsyncOS from the GUI
To upgrade AsyncOS after you have configured your update settings:
Step 1
Click Available Upgrades on the System Administration > System Upgrade
page. The Available Upgrades page is displayed.
page. The Available Upgrades page is displayed.