Cisco Cisco Web Security Appliance S170 사용자 가이드

Before you start the upgrade, save the XML configuration file off the Web Security appliance from 
the System Administration > Configuration File page or by using the 

saveconfig

 command. 

Save other files stored on the appliance, such as PAC files or customized end-user notification pages.

When upgrading, do not pause for long amounts of time at the various prompts. If the TCP session 
times out during the download, the upgrade may fail.

After the upgrade completes, save the configuration information to an XML file. 

Save the appliance configuration file (see 

).

Choose System Administration > System Upgrade.

Click Available Upgrades.

Select an upgrade from the list of available upgrades, and click Begin Upgrade to start the upgrade 
process. Answer the questions as they appear.

The CLI and the Web application interface may be sluggish or unavailable during the update process.

When the upgrade is complete, click Reboot Now to reboot the Web Security appliance.

.

AsyncOS periodically queries the update servers for new updates to all security service components, but 
not for new AsyncOS upgrades. To upgrade AsyncOS, you must manually prompt AsyncOS to query for 
available upgrades. You can also manually prompt AsyncOS to query for available security service 
updates. For more information, see 

When AsyncOS queries an update server for an update or upgrade, it performs the following steps:

Contacts the update server.

Cisco allows the following sources for update servers:

Cisco update servers. For more information, see 

.