Cisco Cisco Content Security Management Appliance M160 User Guide
14-20
AsyncOS 8.1 for Cisco Content Security Management User Guide
Chapter 14 Common Administrative Tasks
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 IronPort 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 IronPort 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.
Upgrade and Update Settings
describes the update and upgrade settings you can configure.
Table 14-1
Update Settings for Security Services
Setting
Description
Update Servers (images)
Choose whether to download Cisco IronPort AsyncOS upgrade and service
update software images, such as time zone rules and Feature Key updates,
from the Cisco IronPort update servers or a from a local web server. The
default is the Cisco IronPort update servers for both upgrades and updates.
update software images, such as time zone rules and Feature Key updates,
from the Cisco IronPort update servers or a from a local web server. The
default is the Cisco IronPort update servers for both upgrades and updates.
You might want to use a local web server if :
•
You need to download images to your appliance from a static address.
See
See
•
You want to download Cisco IronPort AsyncOS upgrade images to your
appliance at your convenience. (You can still download service update
images dynamically from the Cisco IronPort update servers.)
appliance at your convenience. (You can still download service update
images dynamically from the Cisco IronPort update servers.)
When you choose a local update server, enter the base URL and port number
for the servers used to download the upgrades and updates. If the server
requires authentication, you can also enter a valid user name and password.
for the servers used to download the upgrades and updates. If the server
requires authentication, you can also enter a valid user name and password.
For more information, see
and