I was going to post this now. Same router. Same problem.

Please fix this. I can't enable IPv6 without mannually configuring every single client. At least give some feedback.

Please TP-Link, add "AdvLinkMTU 1480;" to the RADVD conf. Or 1280 to be usable with everything (1280 is the minimum allowed). Or better yet, add an option so we can customize it.

Model : Archer C7 Hardware Version : v4.0 Firmware Version : 1.0.5 Build 20171101 rel.37754(5553) ISP : I recently bought an Archer C7, and tried IPv6. The router gets the IPv6 via PPPOE just fine,...

Model : Archer C7 Hardware Version : v4 Firmware Version : 1.0.5 Build 20171101 rel.37754(5553). ISP : I have disabled WPS under System > System Parameters, but wifi analyzer apps say it's still...