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Two requests: Add an option to toggle whether the router advertises its own IP address as a DNS server. Advanced users don't need routerlogin.net. Allow a private IP address to be specified as a ...
This seems like an obvious feature.
I have an R6400 with updated firmware and it still doesn't seem to relay AAAA requests for IPv6 addresses. Unfortunately, I can't disable the relaying without disabling DHCP on the router and running a separate DHCP server.
This problem is compounded by the inconsistency with which my Windows 10 laptop receives IPv6 DNS servers specified in the router configuration. Upon connecting to the WiFi network, it seems to be entirely random as to whether or not the specified IPv6 DNS server or the router's IPv4 address is used. I'd guess this is a conflict between DHCP on IPv4 and autoconfiguration on IPv6 but if the if DNS relaying worked properly or if I could disable relaying entirely, it shouldn't matter much whether my DNS requests are over IPv4 or IPv6. As it stands now, I get 30+ second lags while waiting for AAAA DNS requests to timeout (literally no response at all from the router when observed with wireshark) followed by the connection failing over to IPv4.
For now, the workaround is disabling IPv6 entirely but that certainly shouldn't be necessary.