Specify Network Settings
62
AC1750 WiFi Cable Modem Router
Dynamic DNS
If your Internet provider gave you a permanently assigned IP address, you can register a
domain name and have that name linked with your IP address by public Domain Name
Servers (DNS). However, if your Internet account uses a dynamically assigned IP address,
you do not know in advance what your IP address is, and the address can change frequently.
In this case, you can use a commercial Dynamic DNS service. This type of service lets you
register your domain to their IP address and forwards traffic directed at your domain to your
frequently changing IP address.
If your Internet provider assigns a private WAN IP address (such as 192.168.x.x or 10.x.x.x),
the Dynamic DNS service does not work because private addresses are not routed on the
Internet.
Your modem router contains a client that can connect to the Dynamic DNS service that
DynDNS.org provided. First, visit their website at http://www
.dyndns.org and obtain an
account and host name that you configure in the modem router.
Then, whenever your
Internet provider-assigned IP address changes, your modem router automatically contacts
the Dynamic DNS service provider, logs in to your account, and registers your new IP
address. If your host name is hostname, for example, you can reach your modem router at
http://hostname.dyndns.org.
To set up Dynamic DNS:
1. Launch a web browser from a computer or wireless device that is connected to the
network.
2. T
ype http://routerlogin.net or http://192.168.0.1.
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.
The BASIC Home screen displays.
4. Select ADVANCED > Advanced Setup > Dynamic DNS
.
5. Register for an account with one of the Dynamic DNS service providers whose URLs display
in the Service Provider list.
6. Select the Use a Dynamic DNS Service check box.
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