D-Link DI-1162 - Manual (Page 87)

DI-1162 Remote Access Router
Configuration and Management 77
sending and receiving data directly to the Internet and is therefore part
of it. Please study the example diagram below carefully.
Please note that in the above diagram, the Gateway IP address settings
for the local PC’s needs to be set to 192.168.100.1, the LAN IP address
of the router.
NAT manipulates the IP addresses in packet headers on a one-to-one
basis. An outgoing data packet (a packet originating from a computer
on the local LAN and destined for a computer outside the private
network) will have its IP address translated as shown below.