D-Link DCH-M225 User Manual page 29

Section 3 - Web-based Configuration
IPv6 Device Management Interface - You can select an Autoconfiguration.(dynamic),.Static.IP,.or.Link-local IPv6 configuration:
My IPv6 Select Autoconfiguration. (SLAAC/DHCPv6) to have the
Connection is: DCH-M225 automatically receive an IPv6 address from the
uplink router.
Obtain DNS You can select to obtain IPv6 DNS server information
Server Address: automatically, or you can select to configure DNS servers
manually.
Primary DNS Enter the primary IPv6 DNS server address.
Server:
Secondary DNS Enter the secondary IPv6 DNS server address. This is optional
Server: but will provide backup if the primary server fails.
My IPv6 Select Static.IPv6 to manually assign an IP address to the
Connection is: DCH-M225.
IPv6 Address: Enter the IPv6 address that you want to assign to the
extended network AP. This address should be outside of the
uplink router's DHCP address pool.
Subnet Prefix Enter the length of the IPv6 subnet prefix.
Length:
Default Gateway: Enter the default gateway.
Primary DNS Enter the primary IPv6 DNS server address.
Server:
Secondary DNS Enter the secondary IPv6 DNS server address. This is optional
Server: but will provide backup if the primary server fails.
D-Link DCH-M225 User Manual 26