User Manual

• Router’s IPv6 Address on LAN. This field shows the IPv6 address that is acquired for the router’s

LAN interface.The number after the slash (/) is the length of the prefix, which is also indicated by

the underline (_) under the IPv6 address. If no address is acquired, the field displays Not Available.

• MTU size (in bytes). The normal MTU (maximum transmit unit) value for most Ethernet networks

is 1500 bytes, or 1492 bytes for PPPoE connections. Change the MTU only if you are sure that it is

necessary for your ISP connection. For more information about changing the MTU size, see Change

the MTU Size on page 39.

6. Select an IPv6 Domain Name Server (DNS) Address radio button:

• Get Automatically from ISP.Your ISP uses DHCP to assign your DNS servers.Your ISP

automatically assigns this address.

• Use These DNS Servers. If you know that your ISP requires specific servers, select this option.

Enter the IP address of your ISP’s primary DNS server. If a secondary DNS server address is

available, enter it also.

7. Select an IP Address Assignment radio button:

• Use DHCP Server. This method passes more information to LAN devices but some IPv6 systems

might not support the DHCPv6 client function.

• Auto Config. This is the default setting.

This setting specifies how the router assigns IPv6 addresses to the devices on your home network

(the LAN).

8. (Optional) Select the Use This Interface ID check box and specify the interface ID that you want to be

used for the IPv6 address of the router’s LAN interface.

If you do not specify an ID here, the router generates one automatically from its MAC address.

9. Click the Apply button.

Your settings are saved.

Set Up an IPv6 6to4 Tunnel Internet Connection

The remote relay router is the router to which your router creates a 6to4 tunnel. Make sure that the IPv4

Internet connection is working before you apply the 6to4 tunnel settings for the IPv6 connection.

To set up an IPv6 Internet connection by using a 6to4 tunnel:

1. Launch a web browser from a computer or WiFi device that is connected to the network.

2. Enter http://www.routerlogin.net.

A login window opens.

3. Enter the router user name and password.

The user name is admin. The default password is password. The user name and password are

case-sensitive.

The BASIC Home page displays.

4. Select ADVANCED > Advanced Setup > IPv6.

The IPv6 page displays.

Specify Your Internet Settings

Nighthawk X4S AC2600 Smart WiFi Router