@ArcherC8 I have a Archer C3800 , that would not work w/ IPv6 ( worked fine with Comcast), I went to CentruyLink - work well but unable to get IPv6 to work found out that CL uses 6rd and my c3800...

@gnad Centurylink in Seattle uses 6rd TP-Link does not seem to support this, I have tried all combos - I tried a Synology RT-2600 set IPv6 to 6rd worked great, same with netgear (netgear kept droping...