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14
Chapter 5: Configuring the ADSL2 Modem
Basic Setup
ADSL2 Modem with USB and Ethernet
Encapsulation. The Modem supports four Encapsulations (Internet connection types): RFC 1483 Bridged, RFC
2516 PPPoE, RFC 2364 PPPoA, and Bridged Mode Only. Each Basic Setup screen and available features will differ
depending on what type of encapsulation you select. The encapsulations are described below.
RFC 1483 Bridged
Dynamic IP
IP Settings. Select
Obtain IP Address Automatically (DHCP)
if your ISP says you are connecting through a
dynamic IP address.
Static IP
If you are required to use a permanent (static) IP address to connect to the Internet, then select
Set Static IP
Manually
.
•
Internet IP Address. This is the Modem’s IP address, when seen from the WAN, or the Internet. Your ISP
will provide you with the IP Address you need to specify here.
•
Subnet Mask. This is the Modem’s Subnet Mask. Your ISP will provide you with the Subnet Mask.
•
Default Gateway. Your ISP will provide you with the default Gateway Address, which is the ISP server’s IP
address.
•
Primary DNS. (Required) and Secondary DNS (Optional). Your ISP will provide you with at least one DNS
(Domain Name System) Server IP Address.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or
click the
Cancel Changes
button to undo your changes.
static ip address:
a fixed address assigned to
a computer or device connected to a network
Figure 5-3: Static IP
Figure 5-2: Dynamic (DHCP) IP