TP-Link TD-W8968 User Manual page 60

Associated LAN Interface:

connected LAN connections can be shown in the drop-down list.
IPv4 Mask Length:

6rd Prefix with Prefix Length:

Border Relay IPv4 Address:

Click Save/Apply to make the configuration take effect.

Note:
In this type, there should not have any IPv6 WAN connections. If there are IPv6 WAN
connections, the page will prompt you to delete all the IPv6 WAN connections.
4.4.16.2 IPv4inIPv6
Go to Advanced Setup
screen, this screen allows you to configure the static routes.
Click Add, and you can configure the 6in4 tunnel on the next screen.
Mechanism: DS-Lite, this type is used in the situation that your WAN connection is IPv6

while LAN connection is IPv4.
Associated WAN Interface:

connected WAN connections can be shown in the drop-down list.
Associated LAN

connected LAN connections can be shown in the drop-down list.
AFTR: Enter the IPv6 address of the remote node.

Click Save/Apply to make the configuration take effect.
Select a LAN connection from the drop-down list. Only the
The length of the selected WAN connection's IPv4 mask.
The length of the 6rd prefix.
The IPv4 address of the border relay router of 6RD tunnel.
→ IP Tunnel → IPv4inIPv6. You can see the 4in6 tunnel configuration
Select a WAN connection from the drop-down list. Only the
Interface: Select a LAN connection from the drop-down list. Only the
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TD-W8968 User Guide