D-Link DWM-312W User Manual page 37

Section 4 - Configuration
PPPoE (IPv6/Dual Stack)
Get IPv6 Choose Automatically, IPv6 by DHCPv6, by SLAAC, or
DHCPv6 PD depending on your ISP. The default setting is
Automatically.
Enable prefix
Toggle this to enable or disable prefix delegation. This
delegation
setting is enabled by default.
Obtain DNS
Disable this to enter the DNS server address manually. This
server addresses setting is enabled by default.
automatically
Primary IPv6 DNS If Obtain DNS server addresses automatically is disabled,
server specify the primary DNS server IP address assigned by your
ISP.
Secondary IPv6 If Obtain DNS server addresses automatically is disabled,
DNS server specify the secondary DNS server IP address assigned by
your ISP.
D-Link DWM-312W User Manual 33