After connecting the physical interfaces between two devices and binding them to the correct IRF ports, you must activate the settings on the IRF ports. This operation merges the two devices into one IRF fabric. The system activates the IRF port settings automatically in the following situations: 1. The configuration file that the device starts with contains IRF port bindings. 2. You are binding physical interfaces to an IRF port after an IRF fabric is formed. none: If the user sets this object to none, this object will return a success without performing any operation. set: Activates the settings on the IRF ports. After the settings is activated, this object will return to none at the next reading.