Dynamic Dns - NETGEAR CG3700EMR-1CMNDS User Manual

5. Click the Add Service button.
The following screen displays:
6. In the Service Name field, type a descriptive service name. No spaces are allowed in this
field.
7. In the Service User list, select Any (the default) to allow any computer on the Internet to use
this service. Otherwise, select Single address, and enter the IP address of one computer to
restrict the service to a particular computer.
8. Select the service type, either TCP or UDP or TCP/UDP (both). If you are not sure, select
TCP/UDP.
9. In the Triggering Starting Port field, enter the number of the outbound traffic port that causes
the inbound ports to open.
• If the application uses a single port, enter the same port number in the Triggering
Ending Port field.
• If the application uses a range of ports, enter the ending port number of the range in
the Triggering Ending Port field.
10. In the Triggering Ending Port field, enter the number of the outbound traffic port that causes
the inbound ports to close.
11. Enter the inbound connection port information in the Starting Port, and Ending Port fields.
12. Click the Apply button.
The service displays 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
Wireless Cable Voice Gateway CG3700EMR-1CMNDS
Advanced Settings
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