NETGEAR FVS318N

Internet and Broadband Settings
41
ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N
DDNS configuration screens.) The wireless VPN firewall firmware includes software that
notifies DDNS servers of changes in the WAN IP address so that the services running on this
network can be accessed by others on the Internet.
If your network has a permanently assigned IP address, you can register a domain name and
have that name linked with your IP address by public Domain Name Servers (DNS).
However, if your Internet account uses a dynamically assigned IP address, you will not know
in advance what your IP address will be, and the address can change frequently—hence, the
need for a commercial DDNS service, which allows you to register an extension to its
domain, and restores DNS requests for the resulting fully qualified domain name (FQDN) to
your frequently changing IP address.
After you have configured your account information on the wireless VPN firewall, when your
ISP-assigned IP address changes, your wireless VPN firewall automatically contacts your
DDNS service provider, logs in to your account, and registers your new IP address.
Note: If your ISP assigns a private WAN IP address such as 192.168.x.x
or 10.x.x.x, the DDNS service does not work because private
addresses are not routed on the Internet.
 To configure DDNS:
1. Select Network Configuratio
n > Dynamic DNS. The Dynamic DNS screen displays
(see the following figure).
2. Click the submenu t
ab for your DDNS service provider:
• Dynamic
DNS for DynDNS.org (which is shown in the following figure)
• DN
S TZO for TZO.com
• DN
S Oray for Oray.net
• 3322
DDNS for 3322.org
Figure 23.