If NAS and Freeradius server is in same PC . Then freeradius will send COA request to NAS in which port? Thanks Raihan -- View this message in context: http://freeradius.1045715.n5.nabble.com/How-to-configure-COA-in-freeRadius-tp5620185p5621170.html Sent from the FreeRadius - User mailing list archive at Nabble.com.