Choose DS-Lite if your ISP uses a Dual Stack Lite connection. Your ISP will provide you with the required information. Thisoption is typically used for
DSL services.
DS-Lite
Select DS-Lite DHCPv6 Option to have the DS-Lite IPv6 address
Configuration:
automatically assigned by the DHCPv6 server. Select Manual
Configuration to enter the IPv6 information manually.
AFTR IPv6
Enter the AFTR IPv6 address provided by your ISP (Manual
Address:
configuration only).
B4 IPv6
Enter the B4 IPv6 address provided by your ISP (optional).