Cisco Cisco Content Security Management Appliance M160 Guía Del Usuario
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AsyncOS 9.1 for Cisco Content Security Management Appliances User Guide
Chapter 14 Common Administrative Tasks
Upgrading AsyncOS
Important Differences in Remote Upgrading Method
Note these differences when upgrading AsyncOS from a local server (Remote upgrade) as opposed to
the Streaming upgrade method:
the Streaming upgrade method:
•
The upgrade installs immediately while downloading.
•
A banner appears for 10 seconds at the beginning of the upgrade process. While this banner appears,
you have the option to press Control-C to exit the upgrade process before downloading starts.
you have the option to press Control-C to exit the upgrade process before downloading starts.
Configuring Upgrade and Service Update Settings
You can configure how the Cisco Content Security appliance downloads security services updates (such
as time zone rules) and AsyncOS upgrades. For example, you can choose whether to download upgrades
and updates dynamically from Cisco servers or from a local server onto which you have made the images
available; configure the update interval; or disable automatic updates.
as time zone rules) and AsyncOS upgrades. For example, you can choose whether to download upgrades
and updates dynamically from Cisco servers or from a local server onto which you have made the images
available; configure the update interval; or disable automatic updates.
AsyncOS periodically queries the update servers for new updates to all security service components
except for new AsyncOS upgrades. To upgrade AsyncOS, you must manually prompt AsyncOS to query
for available upgrades.
except for new AsyncOS upgrades. To upgrade AsyncOS, you must manually prompt AsyncOS to query
for available upgrades.
You can configure upgrade and updates settings in the GUI (see the following two sections) or using the
updateconfig
command in the CLI.
You can also configure upgrade notification settings.