IronPort - Configuration Guide - AsyncOS 7.6.1

OL-25136-01
System Administration
CHAPTER
15
System administration in general is handled primarily via the System Administration menu in the
Graphical User Interface (GUI). Some system administration features are accessible only via the
Command Line Interface (CLI).
In addition, you may want to access the Cisco IronPort appliance’s system monitoring features via the
Cisco IronPort Graphical User Interface (GUI), which is described in Other Tasks in the GUI, page -441.
Note Several of the features or commands described in this section will affect, or be affected by routing
precedence. Please see IP Addresses, Interfaces, and Routing, page B-3 for more information.
Upgrading AsyncOS, page 15-1
AsyncOS Reversion, page 15-7
Service Updates, page 15-10
Configuring the Return Address for Various Generated Messages, page 15-15
Alerts, page 15-15
Changing Network Settings, page 15-38
System Time, page 15-47
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 Configuring Upgrade Settings from the GUI,
page 15-6.
Step 2 Upgrade AsyncOS. After you configure the upgrade settings, upgrade the version of AsyncOS on the
appliance. For more information see Upgrading AsyncOS After Configuring Update Setings, page 15-2
and Upgrading AsyncOS from the CLI, page 15-3.
As a best practice, Cisco recommends preparing for an upgrade by taking the following steps:
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
15-1