prefix, which is also indicated by the underline (_) under the IPv6 address. If no address is acquired,
the field displays Not Available.
• Router’s IPv6 Address On LAN.This field shows the IPv6 address that is acquired for the modem
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.
7. Select an IP Address Assignment radio button:
•
Use DHCP Server.The modem router assigns IPv6 addresses to the devices on your home network
(the LAN) through a 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.
8. To specify the interface ID for the IPv6 address of the modem router’s LAN interface, select the Use
This Interface ID check box, and enter the interface ID.
If you do not specify an ID here, the modem router generates one automatically from its MAC address.
9. Select the IPv6 filtering mode:
•
Secured. In secured mode, which is the default mode, the modem router inspects both TCP and
UDP packets.
•
Open. In open mode, the modem router inspects UDP packets only.
10. Click the Apply button.
Your settings are saved.
Set Up an IPv6 6to4 Tunnel Connection
With an IPv6 connection, your modem router creates a 6to4 tunnel to a remote relay router. Make sure
that the IPv4 Internet connection is working before you apply the 6to4 tunnel settings for the IPv6
connection.
Follow the directions that your IPv6 ISP gave you.Note
To set up an IPv6 Internet connection by using a 6to4 tunnel:
1. Launch an Internet browser from a computer or WiFi device that is connected to the network.
2. Type http://www.routerlogin.net.
A login window opens.
3. Enter the modem router user name and password.
Manage the Internet Settings Manually
87
Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000