Model : C1900

Hardware Version : V1

Firmware Version : 3.17.0

ISP : Comcast

Trying to make IPV6 work with my Archer C1900 router with Comcast.
Test results from http://test-ipv6.comcast.net/ below. Any advice? Thanks Paul

Test with IPv4 DNS record	[/TD] [TD]ok (0.138s) using ipv4
Test with IPv6 DNS record	[/TD] [TD]bad (0.029s)
Test with Dual Stack DNS record	[/TD] [TD]ok (0.130s) using ipv4
Test for Dual Stack DNS and large packet	[/TD] [TD]ok (0.104s) using ipv4
Test IPv4 without DNS	[/TD] [TD]ok (0.130s) using ipv4
Test IPv6 without DNS	[/TD] [TD]ok (0.175s) using ipv6 Teredo
Test IPv6 large packet	[/TD] [TD]bad (0.064s)
Test if your ISP's DNS server uses IPv6	[/TD] [TD]ok (0.122s) using ipv4
Find IPv4 Service Provider	[/TD] [TD]ok (0.166s) using ipv4 ASN 7922
Find IPv6 Service Provider	[/TD] [TD]bad (0.048s)