Why not reset the repeater and follow the option 2 to configure it again? The option looks difficult, but actually it is not hard to follow. You may send an email to tplink support if the option 2...

Yeah, TL-WR702N use 3 address frame to communicate with TD-W8970. TD-W8970 will only see the MAC address of TL-WR702N. You may need a different device. The FAQs Vieldcs provided has mentioned some...

I had an old tp-link router. There are firewall and IP address filtering settings under security. It seems to be the one you need.

How did you know the ICMPv6 is blocked? Did you ping IPv6 address internally or externally? Actually I found my C5400 V1 with old firmware has no option to put in ipv6 dns server manually. I should...

My router had the same issue. I contacted with TPlink support. They sent me a beta firmware and the issue was fixed.:D

Did you see this FAQ on TP link website? http://www.tp-link.com/en/faq-468.html