Hello ... I have 2 radius servers a and b A -> Authentication B -> Accounting What I am trying to do it have each server be a backup for each other so primary authentication (A) has a backup of B primary accounting (B) has a backup of A I have configured these but what is happening is that request for accounting / authentication are being distributed among both servers ... I only want requests to be sent to the backup server if the main is down ... any ideas how to do this?