Set the wrong gateway on the server. Correcting it makes port forwarding work.

If the local network still work, you can try to build a arduino with ethernet or any other equivalent board to act as a power switch to reboot the system.

Region : Malaysia Model : TL-R470T+ Hardware Version : V2 Firmware Version : 5.1.0 Build 20120510 Rel.58982s ISP : Currently I have two office which i connected the network with WA-5210G with Bridge...