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Introducing the NWA1121-NI, 1.2 Wireless Modes, 1.2.1 MBSSID - wlan access point

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CHAPTER 1 Introducing the NWA1121-NI This chapter introduces the main applications and features of the NWA1121-NI. It also discusses the ways you can manage your NWA1121-NI. 1.1 Introducing the NWA1121-NI Your NWA1121-NI is an IPv6 wireless AP (Access Point) that can function in several wireless modes. It extends the range of your existing wired network without additional wiring, providing easy network access to mobile users. The NWA1121-NI controls network access with MAC address filtering and RADIUS server authentication. It also provides a high level of network traffic security, supporting IEEE 802.1x, WiFi Protected Access (WPA), WPA2 and WEP data encryption. Its Quality of Service (QoS) features allow you to prioritize time-sensitive or highly important applications such as VoIP. Your NWA1121-NI is easy to install, configure and use. The embedded Web-based configurator enables simple, straightforward management and maintenance. See the Quick Start Guide for instructions on how to make hardware connections. 1.2 Wireless Modes The NWA1121-NI can be configured to use the following WLAN operating modes: OPERATING MODE MBSSID Client Root AP Repeater NUMBER OF SUPPORTED SSID 8 1 5 1 UNIVERSAL REPEATER FUNCTION No No Yes Yes AP FUNCTION Yes No Yes Yes Applications for each operating mode are shown below. 1.2.1 MBSSID A Basic Service Set (BSS) is the set of devices forming a single wireless network (usually an access point and one or more wireless clients). The Service Set IDentifier (SSID) is the name of a BSS. In NWA1121-NI User's Guide 11

Section	Page
NWA1121-NI	1
Contents Overview	3
Table of Contents	5
User’s Guide	9
Introducing the NWA1121-NI	11
1.1 Introducing the NWA1121-NI	11
1.2 Wireless Modes	11
1.2.1 MBSSID	11
1.2.2 Wireless Client	13
1.2.3 Root AP	14
1.2.4 Repeater	14
1.3 Ways to Manage the NWA1121-NI	15
1.4 Configuring Your NWA1121-NI’s Security Features	16
1.4.1 Control Access to Your Device	16
1.4.2 Wireless Security	16
1.5 Good Habits for Managing the NWA1121-NI	16
1.6 Hardware Connections	17
1.7 LED	17
Introducing the Web Configurator	19
2.1 Accessing the Web Configurator	19
2.2 Resetting the NWA1121-NI	20
2.2.1 Methods of Restoring Factory-Defaults	21
2.3 Navigating the Web Configurator	22
2.3.1 Title Bar	22
2.3.2 Navigation Panel	23
2.3.3 Main Window	24
Dashboard	25
3.1 The Dashboard Screen	25
Tutorial	29
4.1 How to Configure the Wireless LAN	29
4.1.1 Choosing the Wireless Mode	29
4.1.2 Further Reading	29
4.2 How to Configure Multiple Wireless Networks	29
4.2.1 Configure the SSID Profiles	31
4.2.2 Configure the Standard Network	33
4.2.3 Configure the VoIP Network	34
4.2.4 Configure the Guest Network	36
4.2.5 Testing the Wireless Networks	38
4.3 NWA1121-NI Setup in AP and Wireless Client Modes	38
4.3.1 Scenario	38
4.3.2 Configuring the NWA1121-NI in MBSSID or Root AP Mode	39
4.3.3 Configuring the NWA1121-NI in Wireless Client Mode	42
4.3.4 MAC Filter Setup	44
4.3.5 Testing the Connection and Troubleshooting	45
Technical Reference	47
Monitor	49
5.1 Overview	49
5.2 What You Can Do	49
5.3 View Logs	49
5.4 Statistics	50
5.5 Association List	51
5.6 Channel Usage	52
Wireless LAN	55
6.1 Overview	55
6.2 What You Can Do in this Chapter	55
6.3 What You Need To Know	56
6.4 Wireless Settings Screen	60
6.4.1 Root AP Mode	61
6.4.2 Repeater Mode	64
6.4.3 Wireless Client Mode	67
6.4.4 MBSSID Mode	69
6.5 SSID Screen	72
6.5.1 Configuring SSID	73
6.6 Wireless Security Screen	74
6.6.1 Security: WEP	76
6.6.2 Security: 802.1x Only	77
6.6.3 Security: 802.1x Static WEP	79
6.6.4 Security: WPA, WPA2, WPA2-MIX	83
6.6.5 Security: WPA-PSK, WPA2-PSK, WPA2-PSK-MIX	86
6.7 RADIUS Screen	87
6.8 MAC Filter Screen	89
6.9 Technical Reference	91
6.9.1 Additional Wireless Terms	91
6.9.2 WMM QoS	92
6.9.3 Security Mode Guideline	93
LAN	94
7.1 Overview	94
7.2 What You Can Do in this Chapter	94
7.3 What You Need to Know	94
7.4 LAN IP Screen	96
VLAN	98
8.1 Overview	98
8.1.1 What You Can Do in This Chapter	98
8.2 What You Need to Know	98
8.3 VLAN Screen	99
System	101
9.1 Overview	101
9.2 What You Can Do in this Chapter	101
9.3 What You Need To Know	102
9.4 WWW Screen	104
9.5 Certificates Screen	105
9.6 Telnet Screen	106
9.7 SNMP Screen	107
9.8 FTP Screen	110
9.9 Technical Reference	111
9.9.1 MIB	111
9.9.2 Supported MIBs	112
9.9.3 Private-Public Certificates	112
9.9.4 Certification Authorities	112
9.9.5 Checking the Fingerprint of a Certificate on Your Computer	112
Log Settings	115
10.1 Overview	115
10.2 What You Can Do in this Chapter	115
10.3 What You Need To Know	116
10.4 Log Settings Screen	116
Maintenance	119
11.1 Overview	119
11.2 What You Can Do in this Chapter	119
11.3 What You Need To Know	120
11.4 General Screen	120
11.5 Password Screen	121
11.6 Time Screen	122
11.7 Firmware Upgrade Screen	123
11.8 Configuration File Screen	124
11.8.1 Backup Configuration	124
11.8.2 Restore Configuration	124
11.8.3 Back to Factory Defaults	125
11.9 Restart Screen	125
Troubleshooting	127
12.1 Power, Hardware Connections, and LEDs	127
12.2 NWA1121-NI Access and Login	128
12.3 Internet Access	129
Setting Up Your Computer’s IP Address	131
Pop-up Windows, JavaScript and Java Permissions	159
IP Addresses and Subnetting	171
Wireless LANs	179
Legal Information	193

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NWA1121-NI User’s Guide

HAPTER

Introducing the NWA1121-NI

This chapter introduces the main applications and features of the NWA1121-NI. It also discusses

the ways you can manage your NWA1121-NI.

1.1

Introducing the NWA1121-NI

Your NWA1121-NI is an IPv6 wireless AP (Access Point) that can function in several wireless modes.

It extends the range of your existing wired network without additional wiring, providing easy

network access to mobile users.

The NWA1121-NI controls network access with MAC address filtering and RADIUS server

authentication. It also provides a high level of network traffic security, supporting IEEE 802.1x, Wi-

Fi Protected Access (WPA), WPA2 and WEP data encryption. Its Quality of Service (QoS) features

allow you to prioritize time-sensitive or highly important applications such as VoIP.

Your NWA1121-NI is easy to install, configure and use. The embedded Web-based configurator

enables simple, straightforward management and maintenance.

See the Quick Start Guide for instructions on how to make hardware connections.

1.2

Wireless Modes

The NWA1121-NI can be configured to use the following WLAN operating modes:

Applications for each operating mode are shown below.

1.2.1

MBSSID

A Basic Service Set (BSS) is the set of devices forming a single wireless network (usually an access

point and one or more wireless clients). The Service Set IDentifier (SSID) is the name of a BSS. In

OPERATING MODE

NUMBER OF

SUPPORTED SSID

UNIVERSAL

REPEATER FUNCTION

AP FUNCTION

MBSSID

Yes

Client

Root AP

Yes

Repeater

Yes