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Manage the Internet Settings Manually
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AC1200 WiFi DSL Modem Router—Essentials Edition Model D6100
9. 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 DHCv6 client function.
• Auto Config
. This is the default setting.
10. 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.
11. Specify 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.
12. 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.
Note: Follow the directions that your IPv6 ISP gave you.
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. T
ype http://www
.routerlogin.net.
A login screen displays.
3. Enter the modem router user name and password.
The user name is admin.
The default password is
password. The user name and
password are case-sensitive.
4. Click the OK button.
The BASIC Home screen displays.
5. Select ADVANCED >
Advanced Setup > IPv6.
The IPv6 screen displays.
6. From the Internet Connection Type menu, select
6to4 Tunnel.