hello , i think it is better to resume existing topic http://forum.mikrotik.com/t/very-strange-3-x-4-x-5-x-freeze-and-crash-with-pppoe/22670/1 . maybe better results given 
hello , i think it is better to resume existing topic http://forum.mikrotik.com/t/very-strange-3-x-4-x-5-x-freeze-and-crash-with-pppoe/22670/1 . maybe better results given