D-Link AX1500 Product Overview page 53

Section 3 - Configuration
Advanced Settings... - Address Autoconfiguration Settings
Enable Automatic
Enable or disable the Automatic IPv6 Address Assignment
IPv6 Address
feature.
Assignment
If Enable DHCP-PD is disabled in the previous LAN IPv6 Address Settings:
Autoconfiguration Select SLAAC+RDNSS, SLAAC+Stateless DHCP, or Stateful
Type DHCPv6.
If you select SLAAC+RDNSS or SLAAC+Stateless DHCP as the Autoconfiguration Type:
Router Enter the router advertisement lifetime (in minutes). The
Advertisement default is 30 minutes.
Lifetime
If you select Stateful DHCPv6 as the Autoconfiguration Type:
IPv6 Address Enter the start IPv6 address for the DHCP server's IPv6
Range (Start) assignment.
IPv6 Address Enter the end IPv6 address for the DHCP server's IPv6
Range (End) assignment.
IPv6 Address Lifetime Enter the IPv6 address lifetime (in minutes). The default is
10080 minutes.
D-Link R15 User Manual 48