25D-Link DSL-2680 User Manual
Chapter 3 - Setup
Manual ADSL Setup - Static IP Address
Follow the instructions below to congure the Router to use a Static IP Address for the Internet connection.
To congure a Static IP type connection for the WAN, follow these steps:
1. Choose the Connection Type from the pull-down menu. This denes both the
connection type and encapsulation method used for your ADSL service. The
available options are 1483 Bridged IP LLC, 1483 Bridged IP VC-Mux, 1483
Routed IP LLC, and 1483 Routed IP VC-Mux. If you have not been provided
specic information for the Connection Type setting, leave the default setting.
2. Change the IP Address, Subnet Mask, and Default Gateway address as
instructed by your ISP. These are the global IP settings for the WAN interface.
This is the “visible” IP address of your account.
3. NAT should remain Enable. If you disable NAT, you will not be able to use
more than one computer for Internet connections. NAT is enabled and disabled
system-wide, therefore if you are using multiple virtual connections, NAT will
be disabled on all connections.
4. Most users should leave the IGMP setting as Enable. IGMP is used to manage
multicasts (such as audio or video streaming). Some network managers might
prefer to disable this function to prevent certain types of DoS attacks. To disable
IGMP select Disable. This will block all IP multicast trafc through the router.
5. Leave the Default Route enabled if you want to use the Router as the default
route to the Internet for your LAN. Whenever a computer on the LAN attempts to
access the Internet, the Router becomes the Internet gateway to the computer.
If you have an alternative route for Internet trafc you may disable this without
effecting the Router’s connection.
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