i allredy tried, of course i set it like first lan :D with subnet and dhcp range and enable dhcp …but it refuse to assigne ip's to clients, but now it's ok i found another solutions , i assigned another interface and enable ppoe server on it :D it's better with authentification also enable trafic shaper on this interface, so now i had one lan with dhcp , one wan ppoe and one another interface with ppoe server for clients, thx for help ! all the best