@esmailelbob You can go through this story as an example on how to bridge your modem and build the PPPoE session from the router.

@TKwsNi Go through this thread to see how you could mitigate this problem.

@BalintN Basically you should be able to modify/remove these Address Reservations entries from the router's WebGUI:

@Anoni Check this thread to find an answer to your question.

@Lilia_Ivanova.. Have you tried to hard reset the device (using method 1) ?

@Reddirtdog What you can do is to change your router's password with a stronger one. Also change your wireless password with a stronger one and be sure that only you know these two. For wireless...