User’s Guide 195
CHAPTER 22

Sys OP Mode

22.1 Overview

The Sys OP Mode (System Operation Mode) function lets you configure whether
your NBG4115 is a router or AP. You can choose between Router Mode and AP
Mode depending on your network topology and the features you require from
your device. See Section 1.1 on page 21 for more information on which mode to
choose.
22.1.1 What You Can Do in this Chapter
Use the General screen (Section 22.2 on page 196) to select how you connect to
the Internet.
22.1.2 What You Need to Know
The following terms and concepts may help as you read through this chapter.
Router
A router connects your local network with another network, such as the Internet.
The router has two IP addresses, the LAN IP address and the WAN IP address.
Figure 110 LAN and WAN IP Addresses in Router Mode
WAN IP
Internet
LAN WAN
LAN IP