The feature library, also known as the DPI feature library, is the core foundation of flow control and shunting. The upgrades of DPI identifies data can improve the recognition rate of applications.
You can choose to upgrade the feature library online or from a local file. When starting the upgrade, an upgrade progress bar is appeared, which will be displayed in a few seconds and then jump to the home page.
You can set up a cron task to upgrade the feature library online under [System Management] → [Cron Task] → [Feature Library Upgrade].
1) When you use IE6, IE8 browser or the corresponding compatibility mode, the progress bar may not work properly. It is recommended that you use the browser of the chrome kernel such as the Google Chrome.
2) Please do not upgrade the signature database during peak hours.