Cisco Cisco Content Security Management Appliance M160 Guía Del Usuario

(Optional) Specify settings for Proxy Servers. 

Submit and commit your changes.

Verify that your results are what you expect: 

If you are not already looking at the Update Settings page, choose Management Appliance > System 
Administration > Update Settings. 

Some URLs may append an “asyncos” directory to the server URL. You can ignore this discrepancy.

See network requirements at 

Take steps to prevent or minimize data loss: 

Make sure the new appliance has sufficient disk capacity and the same or greater size allocations for 
each data type that will be transferred. See 

. 

If you have received any disk space warnings, resolve any disk space issues before upgrading. 

Save the XML configuration file off the appliance. See caveats at 

. 

If you are using the Safelist/Blocklist feature, export the list off the appliance. 

Click Management Appliance > System Administration > Configuration File and scroll down. For 
complete information, see the documentation for your release. 

Suspend the listeners using the suspendlistener command when running the upgrade from the CLI. If 
you perform the upgrade from the GUI, listener suspension occurs automatically.

Drain the mail queue and the delivery queue. 

Verify that the upgrade settings are configured as you want them. See 

You can download and install in a single operation, or download in the background and install later.

When downloading and upgrading AsyncOS in a single operation from a local server instead of from a 
Cisco IronPort server, the upgrade installs immediately while downloading. 



A banner displays for 10 seconds at the beginning of the upgrade process. While this banner is displayed, 
you have the option to type Control-C to exit the upgrade process before downloading starts.