TP-Link TL-R600VPN Configuration Manual page 51

Configuring Network
3) In the Internet section, click Advanced to configure the way of getting the IPv6 address
and DNS address, and configure the Prefix Delegation. Then click Save.
Get IPv6 Address
Prefix Delegation
DNS Address
Primary DNS/
Secondary DNS
 Configuring the Static IP
Figure 8-3 Configuring the Static IP
Choose the method by which the IPv6 address is obtained from the ISP.
DHCPv6: The DHCP server automatically assigns the IPv6 address.
SLAAC+Stateless DHCP: The DHCP server advertises the IPv6 prefix to the
WAN port, the WAN port then dynamically form a host identifier that is 64 bits
long and will be suffixed to the end of the advertised prefix to form an IPv6
address. Generally, the host identifier was formed using the EUI-64.
Enable or disable prefix delegation. The prefix will be assigned to the LAN clients.
Enable: The prefix of the IPv6 address will automatically be assigned by the ISP,
and you do not need to configure the prefix in LAN page.
Disable: You need to enter a prefix manually.
Note: If more than one WAN port is enabled with Prefix Delegation, the LAN port
will assign the prefix of the latest enabled WAN port to the LAN clients.
Choose the way of getting DNS address from the ISP.
Get dynamically from ISP: The DNS address will automatically assigned by the
ISP.
Use the following DNS address: The user need to manually enter the DNS
address provided by the ISP.
Enter the DNS address provided by the ISP.
IPv6 Configuration
Configuration Guide 43