Advanced Settings
91
N600 Wireless Dual Band Router WNDR3400v2
6. Click Add Service to display the following screen:
7. In the Service Name field, type a descriptive service name.
8. In the Service
User list, select Any (the default) to allow this service to be used by any
computer on the Internet. Otherwise, select Single address, and enter the IP address of
one computer to restrict the service to a particular computer.
9. Select
the service type, either TCP or UDP or both (TCP/UDP). If you are not sure, select
TCP/UDP.
10. In the T
riggering Port field, enter the number of the outbound traffic port that causes the
inbound ports to be opened.
11. Ente
r the inbound connection port information in the Connection Type, Starting Port, and
Ending Port fields.
12. Click App
ly. The service appears in the Port Triggering Portmap table.
Dynamic DNS
If your Internet service provider (ISP) gave you 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 do not know in advance what your IP address is, and the address can change
frequently. In this case, you can use a commercial Dynamic DNS service. This type of service
lets you register your domain to their IP address and forwards traffic directed at your domain
to your frequently changing IP address.
If your ISP assigns a private WAN IP address (such as 192.168.x.x or 10.x.x.x), the Dynamic
DNS se
rvice will not work because private addresses are not routed on the Internet.
Your router contains a client that can con
nect to the Dynamic DNS service provided by
DynDNS.org. First visit their website at http://www.dyndns.org and obtain an account and
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