DIR-100 Triple Play Router
DDNS Settings
The DIR-100 supports DDNS or Dynamic Domain Name Service. Dynamic DNS allows a dynamic public
IP address to be associated with a static host name in any of the many domains, allowing access to a specific
host from various locations on the Internet. With this function enabled, remote access to a host will be
allowed by clicking a URL hyperlink in the following form: hostname.dydns.org Because many ISPs assign
public IP addresses using DHCP, it can be difficult to locate a specific host on the LAN using the standard
DNS. For example, if you are running a public web server or VPN server on your LAN, DDNS ensures that
the host can be located from the Internet if the public IP address changes. DDNS requires that an account be
set up with one of the supported DDNS servers.
Dynamic DNS menu
To implement Dynamic DNS, first click to select the Enabled option and select the DDNS Server from the
list in the pull-down menu. Next, enter the Host Name of the LAN to be accessed, and the Username and
Password for the DDNS account. Click the OK button to save changes made. The DDNS Retry is used to
update the DDNS server in case the host IP address is changed by the ISP.
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