Nortel 120 Guía

BAP120

Using the Nortel Business

Access Point 120

NN47921-301

Document status: Standard

Document version: 01.01

Document date: August 2006

Sourced in Canada and the United States of America.

The information in this document is subject to change without notice. The statements, conﬁgurations, technical

data, and recommendations in this document are believed to be accurate and reliable, but are presented without

express or implied warranty. Users must take full responsibility for their applications of any products speciﬁed in this

document. The information in this document is proprietary to Nortel Networks.

*Nortel, Nortel (Logo), the Globemark, and This is the way, This is Nortel (Design mark) are trademarks of Nortel

Networks.

*Microsoft, MS, MS-DOS, Windows, and Windows NT are registered trademarks of Microsoft Corporation.

All other trademarks and registered trademarks are the property of their respective owners.

Contents

Introduction 7

BAP120 Fundamentals 9

BAP120 functions 9

Radio characteristics 10

BAP120 user interfaces 10

Hardware description 11

Antennas 11

LED indicators 12

Security slot 13

Console port 13

Ethernet port 13

Reset button 14

Power connector 14

Network topologies 14

Infrastructure wireless LAN 14

Infrastructure wireless LAN for roaming wireless PCs 15

Infrastructure wireless bridge 16

Infrastructure wireless repeater 17

System defaults 18

BAP120 installation and initial conﬁguration 23

Installing the BAP120 hardware 25

BAP120 hardware installation procedures 25

Mounting the access point on a wall or ceiling 27

Mounting the BAP120 on a horizontal surface 28

Attaching the antenna 29

Powering up the BAP120 30

Conﬁguring the network 33

Procedure job aid 33

Conﬁguring the BAP120 the ﬁrst time it is powered up 35

Troubleshooting 41

Troubleshooting when wireless clients cannot access the network 41

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4Contents

Troubleshooting when the BAP120 cannot be conﬁgured 42

Troubleshooting when WebUI does not display the left menu panel 43

Contacting the BAP120 if the log on details are lost 43

Troubleshooting when all other recovery measures fail 44

Troubleshooting when WebUI does not display accurate information 44

Troubleshooting when WebUI does not log on correctly 44

System conﬁguration management 45

Web User Interface description 45

Starting the WebUI 45

WebUI navigation 46

System identiﬁcation 48

TCP and IP settings 48

RADIUS 50

Authentication 52

Filter control 55

VLAN 56

WDS settings 59

AP management 63

Administration 64

Changing the password 64

Setting the timeout interval 65

Upgrading Firmware 65

System log 68

Enabling system logging 68

Conﬁguring SNTP 70

SNMP 70

Conﬁguring SNMP and Trap message parameters 71

Conﬁguring SNMPv3 users 74

Conﬁguring SNMPv3 trap ﬁlters 75

Conﬁguring SNMPv3 targets 77

Radio interface 78

Slot 0 - Radio A (802.11a) 79

Conﬁguring VAP radio settings 79

Conﬁguring common radio settings 81

Conﬁguring Wi-Fi multimedia 85

WMM Backoff Wait Times 87

Slot 0 - Radio G (802.11b/g) 89

Security 91

Enabling the VAPs 97

Wired Equivalent Privacy (WEP) 98

Wi-Fi Protected Access (WPA) 100

Conﬁguring 802.1X 104

Status information 106

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Contents 5

Access Point Status 106

Station Status 107

Event Logs 108

STP Status 109

References 111

Regulatory compliances 111

Federal Communication Commission Interference Statement 111

IMPORTANT NOTE: FCC Radiation Exposure Statement 112

Wireless 5 GHz Band Statements: 112

Industry Canada: Class B 112

Australia and New Zealand 112

EC Conformance Declaration 112

Safety Compliance 116

Twisted-pair cable assignments 120

10/100BASE-TX pin assignments 121

Straight-through wiring 122

Glossary 123

10BASE-T 123

100BASE-TX 123

Access Point 123

Ad hoc 123

Advanced Encryption Standard (AES) 123

Authentication 123

Backbone 123

Basic Service Set (BSS) 124

Beacon 124

Broadcast key 124

CSMA/CA 124

Dynamic Host Conﬁguration Protocol (DHCP) 124

Encryption 124

Extended Service Set (ESS) 124

Extensible Authentication Protocol (EAP) 124

Ethernet 124

File Transfer Protocol (FTP) 124

Hypertext Transfer Protocol (HTTP) 125

Internet Control Message Protocol (ICMP) 125

IEEE 802.11a 125

IEEE 802.11b 125

IEEE 802.11g 125

IEEE 802.1X 125

Infrastructure 125

Inter Access Point Protocol (IAPP) 125

Local Area Network (LAN) 125

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6Contents

MAC address 125

Network Time Protocol (NTP) 126

Open system 126

Orthogonal Frequency Division Multiplexing (ODFM) 126

Power over Ethernet (PoE) 126

RADIUS 126

Roaming 126

RTS threshold 126

Service Set Identiﬁer (SSID) 126

Session key 126

Shared key 127

Simple Network Management Protocol (SNMP) 127

Simple Network Time Protocol (SNTP) 127

Temporal Key Integrity Protocol (TKIP) 127

Trivial File Transfer Protocol (TFTP) 127

Virtual Access Point (VAP) 127

Virtual LAN (VLAN) 127

Wi-Fi protected access 127

Wired Equivalent Privacy (WEP) 128

WPA Preshared Key (PSK) 128

BAP120

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Introduction

The Business Access Point 120 is an IEEE 802.11a, 802.11b/g, and

Super a/g access point that provides transparent, wireless high-speed

data communications between the wired LAN and ﬁxed or mobile devices

equipped with either an 802.11a or 802.11b/g wireless adapter, or both.

This solution offers fast, reliable wireless connectivity with considerable cost

savings over wired LANs (which include long-term maintenance overhead

for cabling).

Navigation

•"BAP120 Fundamentals" (page 9)

•"BAP120 installation and initial conﬁguration" (page 23)

•"Installing the BAP120 hardware" (page 25)

•"Conﬁguring the network" (page 33)

•"Conﬁguring the BAP120 the ﬁrst time it is powered up" (page 35)

•"Troubleshooting" (page 41)

•"System conﬁguration management" (page 45)

•"References" (page 111)

BAP120

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8Introduction

BAP120

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BAP120 Fundamentals

Understanding the fundamentals of the BAP120 helps you set up, conﬁgure,

and use the BAP120.

Navigation

•"BAP120 functions" (page 9)

•"Hardware Description" (page 11)

•"Network topologies" (page 14)

•"System defaults" (page 18)

BAP120 functions

The access point supports up to four Virtual Access Points (VAP) per

physical radio interface, that is four on the 802.11a radio and four on the

802.11b/g radio. Using this access point, trafﬁc can be separated for

different user groups using an access point that services one area. For

each VAP, different security settings, Virtual Local Area Network (VLAN)

assignments, and other parameters can be applied.

Each radio interface on the access point can operate in one of four modes:

•Access Point – Providing connectivity to wireless clients in the service

area.

•Repeater – Providing an extended link to a remote access point from

the wired LAN. In this mode, the access point does not have a cable

connection to the wired Ethernet LAN. In this mode, at least one access

point must have wired connectivity to enable the signal to repeat to the

next unwired access point.

•Bridge – Providing links to access points operating in Bridge or Root

Bridge mode and thereby connecting other wired LAN segments.

•Root Bridge – Providing links to other access points operating in Bridge

mode and thereby connecting other wired LAN segments. Only one unit

in the wireless bridge network can be set to Root Bridge mode.

BAP120

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10 BAP120 Fundamentals

In addition, the access point offers full network management capabilities

through an easy to conﬁgure web interface, and support for Simple Network

Management Protocol tools.

Radio characteristics

The IEEE 802.11a/g standard uses a radio modulation technique known

as Orthogonal Frequency Division Multiplexing (OFDM), and a shared

collision domain (CSMA/CA). It operates at the 5 GHz Unlicensed National

Information Infrastructure (UNII) band for connections to 802.11a clients,

and at 2.4 GHz for connections to 802.11b/g clients.

IEEE 802.11b includes backward compatibility with the IEEE 802.11g

standard. IEEE 802.11b/g also operates at 2.4 GHz, but uses Direct

Sequence Spread Spectrum (DSSS) and Complementary Code Keying

(CCK) modulation technology to achieve a communication rate of up to

11 Mbps.

The access point supports a 54 Mbps half-duplex connection to Ethernet

networks for each active channel (or up to 108 Mbps when using turbo

mode on the 802.11a interface). The access point also supports Super A for

108 Mb/s on 802.11a mode and Super G for 108 Mb/s on 802.11g mode.

BAP120 user interfaces

You can manage the switch using one of the following:

•Web-based management – You can manage the network from the

World Wide Web. Access the Web-based Graphical User Interface

(GUI) through the HTML-based browser located on your network. Using

the GUI, you can conﬁgure, monitor, and maintain your network through

Web browsers. You can also download software using the Web.

• Business Element Manager – The Element Manager is a client-based

management application that runs on a Windows computer. Using the

Element Manager you can connect to BAP120 Series devices over an

IP network. It is used to conﬁgure, administer, and monitor BAP120

Series devices.

BAP120

Using the Nortel Business Access Point 120

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1.0 August 2006

Otros manuales para 120

Tabla de contenidos

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