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Root AP, 1.2.4 Repeater, In Root AP mode, the NWA

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Chapter 1 Introducing the NWA 1.2.3 Root AP In Root AP mode, the NWA (Z) can act as the root AP in a wireless network and also allow repeaters (X and Y) to extend the range of its wireless network at the same time. In the figure below, both clients A, B and C can access the wired network through the root AP. Figure 4 Root AP Application On the NWA in Root AP mode, you can have multiple SSIDs active for reqular wireless connections and one SSID for the connection with a repeater (universal repeater SSID). Wireless clients can use either SSID to associate with the NWA in Root AP mode. A repeater must use the universal repeater SSID to connect to the NWA in Root AP mode. When the NWA is in Root AP mode, universal repeater security between the NWA and other repeater is independent of the security between the wireless clients and the AP or repeater. If you do not enable universal repeater security, traffic between APs is not encrypted. When universal repeater security is enabled, both APs and repeaters must use the same pre-shared key. See Section 6.6 on page 76 for more details. Unless specified, the term "security settings" refers to the traffic between the wireless clients and the AP. At the time of writing, universal repeater security is compatible with the NWA only. 1.2.4 Repeater The NWA can act as a wireless network repeater to extend a root AP's wireless network range, and also establish wireless connections with wireless clients. Using Repeater mode, your NWA can extend the range of the WLAN. In the figure below, the NWA in Repeater mode (Z) has a wireless connection to the NWA in Root AP mode (X) which is connected to a wired network and also has a wireless connection to another NWA in Repeater mode (Y) at the same time. Z and Y act as repeaters that forward traffic between associated wireless NWA1120 Series User's Guide 15

Section	Page
NWA1120 Series	1
Contents Overview	3
Table of Contents	5
User’s Guide	9
Introducing the NWA	11
1.1 Introducing the NWA	11
1.1.1 Dual-Band	12
1.2 Wireless Modes	12
1.2.1 MBSSID	12
1.2.2 Wireless Client	13
1.2.3 Root AP	15
1.2.4 Repeater	15
1.3 Ways to Manage the NWA	16
1.4 Configuring Your NWA’s Security Features	17
1.4.1 Control Access to Your Device	17
1.4.2 Wireless Security	17
1.5 Good Habits for Managing the NWA	17
1.6 Hardware Connections	18
1.7 LED	18
Introducing the Web Configurator	19
2.1 Accessing the Web Configurator	19
2.2 Resetting the NWA	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 NWA Setup in AP and Wireless Client Modes	38
4.3.1 Scenario	38
4.3.2 Configuring the NWA in MBSSID or Root AP Mode	39
4.3.3 Configuring the NWA 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	65
6.4.3 Wireless Client Mode	68
6.4.4 MBSSID Mode	71
6.5 SSID Screen	74
6.5.1 Configuring SSID	75
6.6 Wireless Security Screen	76
6.6.1 Security: WEP	78
6.6.2 Security: WPA, WPA2, WPA2-MIX	79
6.6.3 Security: WPA-PSK, WPA2-PSK, WPA2-PSK-MIX	81
6.7 RADIUS Screen	82
6.8 Layer-2 Isolation	84
6.8.1 Layer-2 Isolation Screen	85
6.9 MAC Filter Screen	86
6.10 Technical Reference	88
6.10.1 Additional Wireless Terms	89
6.10.2 WMM QoS	89
6.10.3 Security Mode Guideline	90
LAN	91
7.1 Overview	91
7.2 What You Can Do in this Chapter	91
7.3 What You Need to Know	91
7.4 LAN IP Screen	93
VLAN	95
8.1 Overview	95
8.1.1 What You Can Do in This Chapter	95
8.2 What You Need to Know	95
8.3 VLAN Screen	96
System	97
9.1 Overview	97
9.2 What You Can Do in this Chapter	97
9.3 What You Need To Know	98
9.4 WWW Screen	100
9.5 Certificates Screen	101
9.6 Telnet Screen	102
9.7 SNMP Screen	104
9.8 FTP Screen	106
9.9 Technical Reference	107
9.9.1 MIB	107
9.9.2 Supported MIBs	108
9.9.3 Private-Public Certificates	108
9.9.4 Certification Authorities	108
9.9.5 Checking the Fingerprint of a Certificate on Your Computer	109
Log Settings	111
10.1 Overview	111
10.2 What You Can Do in this Chapter	111
10.3 What You Need To Know	112
10.4 Log Settings Screen	112
Maintenance	115
11.1 Overview	115
11.2 What You Can Do in this Chapter	115
11.3 What You Need To Know	116
11.4 General Screen	116
11.5 Password Screen	117
11.6 Time Screen	118
11.7 Firmware Upgrade Screen	119
11.8 Configuration File Screen	120
11.8.1 Backup Configuration	120
11.8.2 Restore Configuration	120
11.8.3 Back to Factory Defaults	121
11.9 Restart Screen	121
Troubleshooting	123
12.1 Power, Hardware Connections, and LEDs	123
12.2 NWA Access and Login	124
12.3 Internet Access	125
12.4 Wireless LAN	126
Setting Up Your Computer’s IP Address	129
Pop-up Windows, JavaScript and Java Permissions	157
IP Addresses and Subnetting	169
IPv6	177
Wireless LANs	187
Legal Information	201

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Chapter 1 Introducing the NWA

NWA1120 Series User’s Guide

1.2.3

Root AP

In Root AP mode, the NWA (

) can act as the root AP in a wireless network and also allow repeaters

(

and

) to extend the range of its wireless network at the same time. In the figure below, both

clients

and

can access the wired network through the root AP.

Figure 4

Root AP Application

On the NWA in Root AP mode, you can have multiple SSIDs active for reqular wireless connections

and one SSID for the connection with a repeater (universal repeater SSID). Wireless clients can use

either SSID to associate with the NWA in Root AP mode. A repeater must use the universal repeater

SSID to connect to the NWA in Root AP mode.

When the NWA is in Root AP mode, universal repeater security between the NWA and other

repeater is independent of the security between the wireless clients and the AP or repeater. If you

do not enable universal repeater security, traffic between APs is not encrypted. When universal

repeater security is enabled, both APs and repeaters must use the same pre-shared key. See

Section 6.6 on page 76

for more details.

Unless specified, the term “security settings” refers to the traffic between the wireless clients and

the AP. At the time of writing, universal repeater security is compatible with the NWA only.

1.2.4

Repeater

The NWA can act as a wireless network repeater to extend a root AP’s wireless network range, and

also establish wireless connections with wireless clients.

Using Repeater mode, your NWA can extend the range of the WLAN. In the figure below, the NWA

in Repeater mode (

) has a wireless connection to the NWA in Root AP mode (

) which is

connected to a wired network and also has a wireless connection to another NWA in Repeater mode

(

) at the same time.

and

act as repeaters that forward traffic between associated wireless