I suggest you reset the router and try to make sure configuration of the IOS devices is correct. Schobiedoo wrote Region : Hongkong Model : TL-WR740N Hardware Version : V4 Firmware Version : 3.16.6...

I think it has changed its LAN IP.Do you have a main router with DHCP function,you can log into it and check the DHCP list.There must have a IP for 710.

It looks strange because you have change a router.What wan type do you select?When you have disconnected,you can log into the router page to see if you have the wan IP.

I have never found the "disable NAT" on my router and in the offical website I cannot find this option on the Emulator. http://www.tp-link.com/resources/simulator/TL-WR841ND_V8/Index.htm

Uh,as far as I know,you cannot upgrade the English firmware on this special version router.But if you only use its default function,you can set it through...

What's the mode you have use on the router? (wireless setting->mac filtering)