FMG Series User’s Guide
23
CHAPTER 4
LAN
4.1 LAN Overview
A Local Area Network (LAN) is a shared communication system to which many networking devices are
connected. It is usually located in one immediate area such as a building or floor of a building.
4.1.1 What You Can Do in this Chapter
• Use the LAN screen to set the LAN IP address and subnet mask of your FMG (Section 4.2 on page 24).
4.1.2 What You Need To Know
4.1.2.1 About LAN
IP Address
IP addresses identify individual devices on a network. Every networking device (including computers,
servers, routers, printers, etc.) needs an IP address to communicate across the network. These
networking devices are also known as hosts.
Subnet Mask
Subnet masks determine the maximum number of possible hosts on a network. You can also use subnet
masks to divide one network into multiple sub-networks.
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