In the past, in the era of Shang Yougong IPv4 network address in our router often comes Oray DDNS service, so you can access the router in the public network environment, use port forwarding or DMZ host of ways in which we can also access network resources, which gives us a lot of convenience, but to the IPv6 era, every people in can be assigned to be PD prefix global routing or unique IPv6 address, therefore, here in Fiji News K3 (OpenWrt v2. 8 beta6 By stones), for example, describes a convenient free DDNS service.
First, you need to dynv6 official website to sign up for an account and apply for the corresponding prefix, suffix domain name is recommended to select dynv6.net, here I follow the default choice zonename is ursalink.dns.army
Select the My Zone ---> Create A New Zone
The current ip address I'm using my broadband dial-up router (pppoe dial-up) Internet address