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Selecting Router from the left menu bar, then the Dynamic DNS tab, brings up the dynamic DNS
configuration page. Dynamic DNS is a system which allows the domain name data of a computer
with a varying (dynamic) IP addresses held in a name server to be updated in real time in order to
make it possible to establish connections to that machine without the need to track the actual IP
address themselves at all times. A number of providers offer Dynamic DNS services ("DDNS"), free
or for a charge. For example, a free service provided by NO-IP allows users to setup between one
and five host names on a domain name provided by NO-IP. No-IP is the default DNS service.
NOTE: Dynamic DNS is compatible with the NO-IP service; it is the customer's responsibility to
verify other Dynamic DNS services are NOIP compatible.
Dynamic DNS:
Selecting Enable will allow the modem to provide the selected service dynamic IP address
information. Selecting Disable will stop any IP information from being sent to the selected service.
Dynamic DNS Address:
The internet address to communicate the Dynamic DNS information to. Default is dynupdate.no-
ip.com.
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Figure 9.1: Dynamic DNS configuration page
001-0003-832 Rev3
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