SLAAC+RDNSS to set computers on Router network obtained IPv6 
address by RDNSS 
 
Stateful DHCP to set computers on Router network obtained IPv6 
address by Stateful DHCP, you need type the IPv6 Address Range (Start 
and End) 
 
IPv6 Connection Type: DS-Lite 
 
Choose DS-Lite DHCPv6 Option, If you choose Manual Configuration, 
need type the AFTR IPv6 Address.   
 
Type B4 IPv4 Address (if necessarily) 
 
Type WAN IPv6 Address and IPv6 WAN Default Gateway.