DS-Lite is a connection type used by ISPs to provide internet access to IPv4 networks and services. It can be WAN, DMZ, or an unassigned LAN port. You can use DS-Lite to carry IPv4 traffic over an IPv6 tunnel between the gateway and a server.
IPv6 connection types:
DHCPv6
PPPoE
Static IP - WAN, DMZ or unassigned LAN port.
The DS-Lite master WAN connection type must be one of these:
Dynamic IPv6
Static IPv6
PPPoEv6
Bridge IPv6
For more information, see Configuring Internet Connectivity.