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NBG334W User’s Guide
31
C
HAPTER
1
Getting to Know Your NBG334W
This chapter introduces the main features and applications of the NBG334W.
1.1
Overview
The NBG334W acts as either an access point (AP) or a secure broadband router for all data
passing between the Internet and your local network. In both
AP
and
Router Mode
you can
set up a wireless network with other IEEE 802.11b/g compatible devices. In
Router Mode
a
number of services such as a firewall and content filtering are also available. You can use
media bandwidth management to efficiently manage traffic on your network. Bandwidth
management features allow you to prioritize time-sensitive or highly important applications
such as Voice over the Internet (VoIP).
1.2
AP Mode
Select
AP Mode
if you already have a router or gateway on your network which provides
network services such as a firewall or bandwidth management.
The following figure shows computers in a WLAN connecting to the NBG334W, which acts
as an access point (A). The NBG334W allows the wireless computers to share the same
Internet access as the other computers connected to the router (B) on the same network.
Figure 1
Wireless Internet Access in AP Mode
A
B
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Chapter 1 Getting to Know Your NBG334W
NBG334W User’s Guide
32
1.3
Router Mode
Select
Router Mode
if you need to route traffic between your network and another network
such as the Internet, and require important network services such as a firewall or bandwidth
management.
The following figure shows computers in a WLAN connecting to the NBG334W (
A
), which
has a DSL connection to the Internet. The NBG334W is set to
Router Mode
and has router
features such as a built-in firewall (
B
).
Figure 2
Secure Wireless Internet Access in Router Mode
1.4
Router Features vs. AP Features
The following table shows which features are available in
Router
or
AP Mode
.
A
B
Table 1
Features Available in Router Mode vs. AP Mode
FEATURE
ROUTER MODE
AP MODE
DHCP
This allows individual clients to obtain IP addresses at start-
up from a DHCP server.
YES
NO
Firewall
This establishes a network security barrier, protecting your
network from attacks and controlling access between your
network and the Internet.
YES
NO
Bandwidth Management
This allows you to allocate network bandwidth to specific
applications and or subnets.
YES
NO
Any IP
This allows a computer to access the NBG334W when the
IP addresses of the computer and the NBG334W are not in
the same subnet.)
YES
NO
Wireless
This allows two or more devices to communicate without
wires, based on IEEE 802.11 wireless standards.
YES
YES
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NBG334W User’s Guide
33
1.5
Ways to Manage the NBG334W
Use any of the following methods to manage the NBG334W.
•
Web Configurator. This is recommended for everyday management of the NBG334W
using a (supported) web browser.
•
Command Line Interface. Line commands are mostly used for troubleshooting by service
engineers.
•
FTP. Use File Transfer Protocol for firmware upgrades and configuration backup/restore.
1.6
Good Habits for Managing the NBG334W
Do the following things regularly to make the NBG334W more secure and to manage the
NBG334W more effectively.
•
Change the password. Use a password that’s not easy to guess and that consists of
different types of characters, such as numbers and letters.
•
Write down the password and put it in a safe place.
•
Back up the configuration (and make sure you know how to restore it). Restoring an
earlier working configuration may be useful if the device becomes unstable or even
crashes. If you forget your password, you will have to reset the NBG334W to its factory
default settings. If you backed up an earlier configuration file, you would not have to
totally re-configure the NBG334W. You could simply restore your last configuration.
1.7
LEDs
Figure 3
Front Panel
The following table describes the LEDs.
Table 2
Front Panel LEDs
LED
COLOR
STATUS
DESCRIPTION
POWER
Green
On
The NBG334W is receiving power and functioning
properly.
Off
The NBG334W is not receiving power.
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Chapter 1 Getting to Know Your NBG334W
NBG334W User’s Guide
34
LAN 1-4
Green
On
The NBG334W has a successful 10MB Ethernet
connection.
Blinking
The NBG334W is sending/receiving data.
Amber
On
The NBG334W has a successful 100MB Ethernet
connection.
Blinking
The NBG334W is sending/receiving data.
Off
The LAN is not connected.
WAN
Green
On
The NBG334W has a successful 10MB WAN
connection.
Blinking
The NBG334W is sending/receiving data.
Amber
On
The NBG334W has a successful 100MB Ethernet
connection.
Blinking
The NBG334W is sending/receiving data.
Off
The WAN connection is not ready, or has failed.
WLAN
Green
On
The NBG334W is ready, but is not sending/receiving
data through the wireless LAN.
Blinking
The NBG334W is sending/receiving data through the
wireless LAN.
Off
The wireless LAN is not ready or has failed.
WPS
WPS (WiFi Protected Setup) automatically sets up security on your wireless
network. This function is currently unavailable.
Table 2
Front Panel LEDs (continued)
LED
COLOR
STATUS
DESCRIPTION
Page 35 / 296
NBG334W User’s Guide
35
C
HAPTER
2
Introducing the Web
Configurator
This chapter describes how to access the NBG334W web configurator and provides an
overview of its screens.
2.1
Web Configurator Overview
The web configurator is an HTML-based management interface that allows easy setup and
management of the NBG334W via Internet browser. Use Internet Explorer 6.0 and later or
Netscape Navigator 7.0 and later versions or Safari 2.0 or later versions. The recommended
screen resolution is 1024 by 768 pixels.
In order to use the web configurator you need to allow:
•
Web browser pop-up windows from your device. Web pop-up blocking is enabled by
default in Windows XP SP (Service Pack) 2.
•
JavaScripts (enabled by default).
•
Java permissions (enabled by default).
Refer to the Troubleshooting chapter to see how to make sure these functions are allowed in
Internet Explorer.
2.2
Accessing the Web Configurator
1
Make sure your NBG334W hardware is properly connected and prepare your computer
or computer network to connect to the NBG334W (refer to the Quick Start Guide).
2
Launch your web browser.
3
Type "http://192.168.1.1" as the website address.
Your computer must be in the same subnet in order to access this website address.
• In
Router Mode
enable the DHCP Server. The NBG334W assigns your computer an IP
address on the same subnet.
• In
AP Mode
the NBG334W does not assign an IP address to your computer, so you
should check it’s in the same subnet. See
Section 4.5 on page 68
for more information.

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