Hello from Greece... I would like to know how is possible to prevent other traffic than my ISP peer address to my Dialer interface on a Adsl PPPoE connection... I know the ISP's peer address and i have dymanic IP on my dialer . Is there any way to secure the traffic by permitting only packets from my ISP ...? ----------836 Cisco PPPoE /dyn IP/Known ISP peer address Best regards Konstantinos