Web Configuration
D-Link DSL-2600U User Manual
32
LAN Configuration
In this interface, you can modify and configure IP Address and DHCP Server.
If the mode is router, the interface shows as follows. In the Bridging mode, the interface
shows different.
NAT
Note: You need to enable the NAT service when you configure the WAN connection at first, the NAT item appears in the Advanced Setup directory. In the pure bridging
mode, there is not the NAT service.
Overview
Setting up the NAT Function
= The DSL router is equipped with the network address translation (NAT) function. With address mapping, several users in the local network can access the Internet via
one or more public IP addresses. All the local IP addresses are assigned to the public IP address of the router by default.
= One of the characteristics of NAT is that data from the Internet is not allowed into the local network unless it is explicitly requested by one of the PCs in the network.
Most Internet applications can run behind the NAT firewall without any problems. For example, if you request Internet pages or send and receive e-mails, the request
for data from the Internet comes from a PC in the local network, and so the router allows the data to pass through. The router opens one specific port for the
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