Chapter 2 System Configuration
2.6
Dynamic DNS Setup
Dynamic WAN IP address causes difficulty for inbound connections from remote
clients or IP PBX systems. A popular work-around is to adopt domain names
provided by Dynamic DNS service providers and run a client on or behind the
gateway router (or IP PBX). It is required to apply an account and create a
hostname in the account before configuration. Select
Enable
and give account
info and refresh interval to activate a Dynamic DNS client. The client then uses
Username
and
Password
to access its account and update the
Hostname
with
the latest WAN IP address at
DynDNS
or
3322.net Service
in
Interval
seconds
periodically.
2.6.1
Enable Dynamic DNS
Typical hostname has a form of
<hostname>.dyndns.org
or
<hostname>.3322.net
.
The refresh interval is usually between 60 – 600 seconds depending on the
volatility of WAN IP assignment.
Click
Enable
.
Click
DynDNS
or
3322.net
in the
Service
list
Enter the Username, Password, Hostname and Interval.
Click
APPLY
.
2.6.2
Disable Dynamic DNS
Click
Disable
, and then click
APPLY
.
Figure 2-7 DDNS Setup
26
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