Thanks M Diamond, Actually I already configured everything - forget to attach the whole configuration images - all of them. I already setup everything earlier as per the link you send me, I not sure...

Region : Malaysia Model : TL-ER604W Hardware Version : V1 Firmware Version : ISP : Hi TP Link, I am resided in Malaysia, and I just bought a: TP-Link TL-ER604W SafeStream Wireless N Gigabit Broadband...