Zippeer wrote Unfortunately that did not help, I tried putting it down to only 2.4Ghz aswell diden't work either. Still the same results. Under 10/10Mb/s with the router. The results are far too...

UN stands for universal, means this software is not localized for specific regions. You can upgrade to TL-R600VPN_V1_130831

put up your port forwarding settings so that other users can look into your case. I tend to think your settings are not correct. One port cannot be opened for two internal hosts.

The WAN and the LAN are two different logical ports. You can't simply put them in the same broadcast domain. It is easy to meet your requirement. Disable DHCP on WDR1043, leave the WAN port empty,...

You should realized that what you buy is a NAT router for SOHO applications, mainly for internet sharing for private networks. But your requirement can only be meet with a "traditional router", whcih...

That‘s really strange.. Rule out the WA901ND，and then see whether the problem remains or not.