how can i notify the nas to disconnect the user?

[wheatly]

hi    everyone    I am using freeradius0.4 ,how can i notify the nas to disconnect the user when the user's flux got to a desired value.     can I do it by setting the Termination-Action=1 when sending access-accept package?         wheatlyshi tel: 86-21-52984755-215 email: [EMAIL PROTECTED]