Draytek Vigor3900 Guia do Utilizador descarregar pdf (Página 202)

Vigor3900 Series User’s Guide

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Below shows the menu items for Applications.

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 router 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 router to update its online WAN IP address mappings on the

specified Dynamic DNS server. Once the router is online, you will be able to use the

registered domain name to access the router or internal virtual servers from the Internet. It is

particularly helpful if you host a web server, FTP server, or other server behind the router.

Before you use the Dynamic DNS feature, you have to apply for free DDNS service to the

DDNS service providers. The router provides up to ten accounts from eight different DDNS

service providers. Basically, Vigor routers 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 router.

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