TP-Link TL-WR1043ND User Manual page 111

5. Tunnel 6to4

Address/Subnet Mask/Default Gateway - the IPv4 address/ subnet mask/ default
gateway assigned, in dotted-decimal notation.

Tunnel Address - The 6to4 tunnel address created by the device to access to the IPv6
network.

MTU Size - The normal MTU (Maximum Transmission Unit) value for most Ethernet
networks is 1480 Bytes. For some ISPs, you may need to modify the MTU. But this is rarely
required, and should not be done unless you are sure it is necessary for your ISP
connection.
If your ISP gives you one or two DNS IPv6 addresses, select Use the following IPv6 DNS
Servers and enter the Primary IPv6 DNS and Secondary IPv6 DNS into the correct fields.
Otherwise, the DNS servers will be assigned from ISP dynamically.

Primary IPv6 DNS - Enter the DNS IPv6 address in dotted-decimal notation provided by
your ISP.

Secondary IPv6 DNS - Enter another DNS IPv6 address in dotted-decimal notation
provided by your ISP.

Note:
If you get Address not found error when you access a Web site, it is likely that your DNS servers
TL-WR1043ND 450Mbps Wireless N Gigabit Router
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