I own and/or tested WNDR4000, WNDR4700, R6300v2 & R7000v1
NONE of them today work correctly on a Comcast Sys with Arris modem regarding IPV6. This WRT1900AC worked on day.
NONE of them today work correctly on a Comcast Sys with Arris modem regarding IPV6. This WRT1900AC worked on day.