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Chapter 4
LAN Setup
This chapter describes how to configure LAN settings.
4.1 LAN Overview
A Local Area Network (LAN) is a shared communication system to which many computers are
attached. A LAN is a computer network limited to the immediate area, usually the same
building or floor of a building.
The LAN screens can help you configure a LAN DHCP server and manage IP addresses.
4.1.1 LANs, WANs and the BIPAC 5100S
The actual physical connection determines whether the BIPAC 5100S 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:
4.2 DNS Server Address
DNS (Domain Name System) is for mapping a domain name to its corresponding IP address
and vice versa, for example, the IP address of www.billion.com is 204.217.0.2. The DNS
server is extremely important because without it, you must know the IP address of a machine
before you can access it. The DNS server addresses that you enter in the DHCP setup are