Руководство Пользователя для Cisco Cisco Content Security Management Appliance M160
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Cisco IronPort AsyncOS 8.0 for Security Management User Guide
Chapter 13 Common Administrative Tasks
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Remote upgrades — You only download the upgrade image from Cisco IronPort one time, and then
serve it to your Cisco IronPort appliances. Your Cisco IronPort appliances download the AsyncOS
upgrades from a server within your network.
serve it to your Cisco IronPort appliances. Your Cisco IronPort appliances download the AsyncOS
upgrades from a server within your network.
You will configure the upgrade method in
. Optionally, use the updateconfig command in the CLI.
Streaming Upgrade Overview
In Streaming upgrades, each Cisco IronPort appliance connects directly to the Cisco IronPort update
servers to find and download upgrades:
servers to find and download upgrades:
Figure 13-5
Streaming Update Method
This method requires that your Cisco IronPort appliance contacts the Cisco IronPort Systems update
servers directly from the network.
servers directly from the network.
Remote Upgrade Overview
You can also download and host updates to AsyncOS locally from within your own network (Remote
Upgrade) rather than obtaining updates directly from Cisco IronPort’s update servers (Streaming
Upgrades). Using this feature, an encrypted update image downloaded via HTTP to any server in your
network that has access to the Internet. If you choose to download the update image, you can then
configure an internal HTTP server (an “update manager”) to host the AsyncOS images to your Cisco
IronPort appliances.
Upgrade) rather than obtaining updates directly from Cisco IronPort’s update servers (Streaming
Upgrades). Using this feature, an encrypted update image downloaded via HTTP to any server in your
network that has access to the Internet. If you choose to download the update image, you can then
configure an internal HTTP server (an “update manager”) to host the AsyncOS images to your Cisco
IronPort appliances.
Figure 13-6
Remote Update Method
Your Cisco IronPort Appliance
Cisco IronPort Systems, Inc.
Update Servers
HTTP connection through firewall
Your Cisco IronPort Appliances
Cisco IronPort Systems, Inc.
Update Servers
HTTP connection to Internet through firewall
Web Server with HTTP access
to Internet
local HTTP connections