Operation Manual

Vigor130 Series User’s Guide
101
After finishing all the settings, please click OK to save the configuration.
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Below shows the menu items for Applications.
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The ISP often provides you with a dynamic IP address when you connect to the Internet via
your ISP. It means that the public IP address assigned to your modem changes each time you
access the Internet. The Dynamic DNS feature lets you assign a domain name to a dynamic
WAN IP address. It allows the modem to update its online WAN IP address mappings on the
specified Dynamic DNS server. Once the modem is online, you will be able to use the
registered domain name to access the modem or internal virtual servers from the Internet. It
is particularly helpful if you host a web server, FTP server, or other server behind the
modem.
Before you use the Dynamic DNS feature, you have to apply for free DDNS service to the
DDNS service providers. The modem provides up to three accounts from three different
DDNS service providers. Basically, Vigor modems are compatible with the DDNS services
supplied by most popular DDNS service providers such as www.dyndns.org,
www.no-ip.com, www.dtdns.com, www.changeip.com, www.dynamic- nameserver.com.
You should visit their websites to register your own domain name for the modem.
Enable the Function and Add a Dynamic DNS Account
1. Assume you have a registered domain name from the DDNS provider, say
hostname.dyndns.org, and an account with username: test and password: test.
2. In the DDNS setup menu, check Enable Dynamic DNS Setup.
Available settings are explained as follows: