Cisco Cisco Content Security Management Appliance M390 Guía Del Usuario
Chapter 11 Common Administrative Tasks
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Cisco IronPort AsyncOS 7.2.0 for Security Management User Guide
OL-21768-01
Upgrading Clustered Systems
If you are upgrading clustered machines, see “Upgrading Machines in a Cluster”
in the Centralized Management chapter in the Cisco IronPort AsyncOS for Email
Advanced User Guide.
in the Centralized Management chapter in the Cisco IronPort AsyncOS for Email
Advanced User Guide.
Streaming Upgrade Overview
In Streaming upgrades, your Cisco IronPort appliance connects directly to the
Cisco IronPort update servers to find and download upgrades:
Cisco IronPort update servers to find and download upgrades:
Figure 11-3
Streaming Update Method
This method requires that your IronPort appliance contacts the IronPort Systems
update servers directly from the network.
update 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
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 IronPort appliances.
own network (Remote Upgrade) rather than obtaining updates directly from
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 IronPort appliances.
Your Cisco IronPort Appliance
Cisco IronPort Systems, Inc.
Update Servers
HTTP connection through firewall