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WR3000 4-Port Wireless DSL/Cable Router
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Chapter 5:
LAN Screens
This chapter describes how to confi gure LAN settings.
5.1 LAN Overview
Local Area Network (LAN) is a shared communication system to which many computers are
attached. The LAN screens can help you confi gure a LAN DHCP server, manage IP addresses,
and partition your physical network into logical networks.Please see the Wizard Setup chapter
for the background information about Primary and Secondary DNS Server and IP Address and
Subnet Mask.
5.2 LANs and WANs
A LAN is a computer network limited to the immediate area, usually the same building or fl oor
of a building. A WAN (Wide Area Network), on the other hand, is an outside connection to
another network or the Internet.
5.2.1 LANs, WANs and the WR3000 Wireless Router
The actual physical connection determines whether the WR3000 Wireless Router ports are
LAN or WAN ports. There are two separate IP networks, one inside, the LAN network; the other
outside: the WAN network as shown next: