Chapter 5 Lan; Overview; What You Need To Know - ZyXEL Communications PMG5318-B20A User Manual

5.1 Overview

This chapter describes how to configure LAN settings.
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 What You Need to Know

The following terms and concepts may help as you read through this chapter.
LANs, WANs and the GPON Device
The actual physical connection determines whether the GPON Device ports are LAN or WAN ports.
There are two separate IP networks, one inside the LAN network and the other outside the WAN
network as shown next. The figure shows the GPON Device A.
Figure 15 LAN and WAN IP Addresses
LAN
PMG5318-B20A User's Guide
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WAN
Internet
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LAN
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