Draytek Vigor3910 Series User Manual page 108

4. Click OK button to activate the settings. You will see your setting has been saved.
D D r r a a y y D D D D
DrayDDNS, a new DDNS service developed by DrayTek, can record multiple WAN IP (IPv4) on
single domain name. It is convenient for users to use and easily to set up. Each Vigor Router is
available to register one domain name.
Choose DrayTek Global as the service provider, the web page will be displayed as follows:
Available settings are explained as follows:
Item
Enable Dynamic DNS
Account
Service Provider
Status
Determine WAN IP
WAN Interfaces
98
N N S S S S e e t t t t i i n n g g s s
Description
Check this box to enable the current account. If you did check the
box, you will see a check mark appeared on the Active column of
the previous web page in step 2).
Choose DrayTek Global as the service provider.
Display if the license is actvtaed or not.
If a Vigor router is installed behind any NAT router, you can enable
such function to locate the real WAN IP.
When the WAN IP used by Vigor router is private IP, this function
can detect the public IP used by the NAT router and use the
detected IP address for DDNS update.
There are two methods offered for you to choose:
 WAN IP - If it is selected and the WAN IP of Vigor router is
private, DDNS update will take place right away.
Internet IP – If it is selected and the WAN IP of Vigor router is

private, it will be converted to public IP before DDNS update
takes place.
WANx - While connecting, the router will use WANx as the channel
for such account.
There are two methods offered for you to choose:
WAN IP - If it is selected and the WAN IP of Vigor router

is private, DDNS update will take place right away.
Internet IP – If it is selected and the WAN IP of Vigor

router is private, it will be converted to public IP
before DDNS update takes place.
Vigor3910 Series User's Guide