CNet Technology Internet Broadband Gateway CNIG904S Manuel D’Utilisation

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NAT allows PCs on your LAN to share a single external (Internet) IP Address. This IP Address
is supplied by your ISP. Use the following to determine whether or nor you need NAT.
•  For Internet access, NAT must be left On unless all PCs on your LAN have valid external

IP Addresses.

•  If this device is not being used to provide shared Internet access, NAT is not normally

required. With NAT disabled, the Broadband Router will act as a static router.

•  If NAT is disabled, the Firewall protection provided by the Broadband Router is lost, and

the Advanced Internet features (Virtual Servers, Special Applications, and DMZ) are no
longer available.

TFTP (Trivial FTP) can be used to upgrade the firmware in the Broadband Router. However,
this is not normally required; there is a Windows utility available for this purpose.

This feature allows you to manage the Broadband Router via the Internet.

Enable to allow management via the Internet. If Disabled, this
device will ignore management connection attempts from the
WAN port.

Enter a port number between 1024 and 65535 (8080 is recom-
mended). This port number must be specified when you connect
(see below).

Note: The default port number for HTTP (Web) connections is
port 80, but using port 80 here will prevent the use of a Web
"Virtual Server" on your LAN. (See Advanced Internet - Virtual
Servers)

You must use this IP Address to connect (see below).

This IP Address is allocated by your ISP. But if using a Dy-
namic IP Address, this value can change each time you connect
to your ISP. So it is better if your ISP allocates you a Fixed IP
Address.

1.  Ensure your Internet connection is established, and start your Web Browser.
2.  In the "Address" bar, enter "HTTP://" followed by the WAN IP Address of the Broadband

Router. If the port number is not 80, the port number is also required. (After the IP Ad-
dress, enter ":" followed by the port number.)
e.g.

HTTP://123.123.123.123:8080

This example assumes the WAN IP Address is 123.123.123.123, and the port number is
8080.