hi i have 3660 router cum ras. when i give this command "aaa authorization network default group radius" .My ppp encapsulation stop works on lease line My line protocol goes down than i have to put hdlc encapsulation.why this happen and how can i over come this problem .plz help me thanxs kaushalender Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=19727&t=19727 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]