I've just bought one of these routers, and while it has some good features and connects to the IPv4 internet fine for me, it's IPv6 is very poor.
If i set the LAN IPv6 address, sometimes i can ping it, sometimes not. While the IPv6 address shows in the web GUI, i cannot see it in the output of the ifconfig command when SSH'd in to the router.
Also the router will not connect to my ISP (who have given me an IPv6 address), and i'm seeing lots of problems in the system log.
It's running firmware v1.5.1.2 Is this router known for being bad with IPv6?