enable DHCP AND make sure lahat ng computer ang setting is automatically obtain IP address and hindi naka manual input (useless ang DHCP pag may manual na naka input na IP address)
now since DHCP first come first serve ang assignment ng IP address, kung gusto mo specific IP lang forever bawat computer, pag naka connect na tingnan mo sa DHCP clients, then take note of the MAC address of each connected device and then go to IP address reservation, input the MAC address and IP that this MAC address will be using para forever na pag yung computer with that MAC address connects, specific IP ang gagamitin