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Prestige 645R-A Series User’s Guide
LAN Setup 5-1
Chapter 5
LAN Setup
This chapter describes how to configure LAN settings.
5.1 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.
5.1.1 LANs, WANs and the Prestige
The actual physical connection determines whether the Prestige 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:
Figure 5-1 LAN and WAN IP Addresses
5.2 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.zyxel.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 passed to the client machines along with the assigned IP
address and subnet mask.