Tenda D301-V2 User Manual page 78

Wireless Modem Router
Tunnel Name: Specify the name of the tunnel.
Mechanism: Currently, only DS-Lite configuration is supported.
Associated WAN Interface: Specify the WAN interface of the tunnel.
Associated LAN Interface: Specify the LAN interface of the tunnel.
Manual: If you select Manual, configure the following settings also:
IPv4 Mask Length: Specify the IPv4 Mask Length.
6rd Prefix with Prefix Length: Specify the 6rd Prefix with Prefix Length.
Border Relay IPv4 Address: Specify the Border Relay IPv4 Address.
Automatic: If Automatic is selected, no configurations are required.
Apply/Save: Click to apply and save your settings.
IPv4inIPv6
Click IPv4inIPv6 and Add to enter the following screen:
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