Your modem is a cable modem or ADSL modem? What's the IP address obtained when the PC is connected to modem directly? Did you try static IP on WR740N? Is it a brand new router? Mine old router, same...

If your guys want to get technical support from TP-LINK, click here http://uk.tp-link.com/support/contact/?categoryid=530. "Parental control is not working..."Do you configure it properly? If...

Did you try different computer to connect by cable? What's the IP address and default gateway obtained when it is connected to TD-W8980 by cable?

To Malte &staavmixer , is it caused by update of WAN IP or something else? Did you use ftp://wan IP to access it remotely? It always works locally, right?

I would contact TP-LINK technical support directly if I had a similar problem because it is so weird... Your device is acting abnormal...

saalhaga wrote when i enter any address in browser will be redirected to specific ip address or domain To clear browsing data of your web browser can slove it? no , not that, i want know how to...