Cisco Cisco Email Security Appliance C190 Guia Do Utilizador

For remote upgrades, your Cisco IronPort appliances download the AsyncOS 
upgrades from a server within your network. You only download the upgrade 
image from IronPort one time, and then serve it to your Cisco IronPort appliances. 
For more information, see 

.

Use the Security Services > Service Updates page to switch between the two 
upgrading methods (streaming is the default), as well as configure the interface to 
use to download the upgrade and proxy server settings. For more information, see 

. Optionally, use the 

updateconfig

 command in the CLI.

Regardless of which upgrade method you use, you should also consider saving 
your configuration via the 

saveconfig

 command after your upgrade is complete. 

For more information, see “Managing the Configuration File” in the Cisco 
IronPort AsyncOS for Email Daily Management Guide.

If you are upgrading clustered machines, please see “Upgrading Machines in a 
Cluster” in the “Centralized Management” chapter of the Cisco IronPort AsyncOS 
for Email Advanced Configuration Guide.

In Streaming upgrades, your Cisco IronPort appliance connects directly to the 
IronPort update servers to find and download upgrades: