ZyXEL UAG50 User Guide - Page 86

The DDNS service Dynamic Domain Name Service, an IP Registry provides a public

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UAG50 User's Guide 3-2-5-8 DDNS The DDNS service (Dynamic Domain Name Service), an IP Registry provides a public central database where information such as email addresses, host names, IP addresses etc. can be stored and retrieved. This solves the problems if your DNS server uses an IP associated with dynamic IP addresses. When the ISP assigns the UAG50 a new IP, the UAG50 must inform the DDNS server the change of this IP so that the server can update its IP-to-DNS entry. Once the IP-to-DNS table in the DDNS server is updated, the DNS name for your web server (i.e., xyz.dyndns.org) is still usable. Figure 3-2-49 DDNS Setting Screen Item Default Description Force to update every~day(s) when 1 day Enter a number in the field to set the force update WAN IP address keeps no change interval (in days). No 01~03 The index number of a DDNS account. Active Disable Click on check box, active or inactive the DDNS record. Update Status Now Click the Update Status Now button to do manual update. 86

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UAG50 User’s Guide
86
3-2-5-8
DDNS
The DDNS service (Dynamic Domain Name Service), an IP Registry provides a public
central database where information such as email addresses, host names, IP
addresses etc. can be stored and retrieved. This solves the problems if your DNS
server uses an IP associated with dynamic IP addresses. When the ISP assigns the
UAG50 a new IP, the UAG50 must inform the DDNS server the change of this IP so
that the server can update its IP-to-DNS entry. Once the IP-to-DNS table in the DDNS
server is updated, the DNS name for your web server (i.e., xyz.dyndns.org) is still
usable.
Figure 3-2-49 DDNS Setting Screen
Item
Default
Description
Force to update every~day(s) when
WAN IP address keeps no change
1 day
Enter a number in the field to set the force update
interval (in days).
No
01~03
The index number of a DDNS account.
Active
Disable
Click on check box, active or inactive the DDNS
record.
Update Status Now
Click the
Update Status Now
button to do manual update.