manuais Siemens IEEE802.11

Siemens IEEE802.11 Manual do Utilizador (84 páginas)

Marca: Siemens | Categoria: Redes | Tamanho: 2.61 MB |

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Índice

Maximilian Riegel

1

The ubiquitous WLAN

2

WLAN has taken off

3

Part 1:

5

Internet/Web Applications

6

Layering means encapsulation

7

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8

IP based network architecture

9

Wireless LAN IEEE802.11

10

Part 2: IEEE802.11 Overview

12

Wireless IEEE802.11 Standard

13

IEEE802.11 Configurations

14

Wireless LAN Standardization

17

Part 3: Physical layer

18

IEEE802.11

19

AMPLITUDE

20

FREQUENCY

20

Spectrum

21

IEEE802.11a 5GHz PHY Layer

23

IEEE802.11g: Further Speed

24

Extension for the 2.4GHz Band

24

IEEE802.11h: Spectrum and

26

Transmit Power Management

26

… when will 5 GHz WLANs come?

27

PHY Terminology

28

PLCP Protocol Data Unit

29

Part 4: Medium Access Control

30

CSMA/CA Explained

32

CSMA/CA + ACK protocol

33

Station 1

34

Station 2

34

Station 3

34

Station 4

34

“Hidden Node” Provisions

35

IEEE802.11e: MAC Enhancements

36

Contention Free Period

37

Contention Period

37

CFP repetition interval

37

Frame Formats

39

Address Field Description

40

, © Siemens, 2002

41

Part 5: MAC layer management

42

Scanning

45

Active Scanning Example

46

Power Management Approach

48

Power Management Procedure

49

MAC Management Frames

50

Part 6: WLAN Mobility

51

IEEE802.11 Ad Hoc Mode

52

Distribution System (DS)

53

ORFDOGLVWULEXWLRQQHWZRUN

54

IEEE802.11f:

55

Part 7: WLAN security

56

• a 40 bit secret key

57

WEP privacy mechanism

58

Shared key authentication

59

IEEE802.11i:

61

Robust Security Network (RSN)

61

Summary: MAC Functionality

63

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65

VHOIH[SODLQLQJ

65

Probably to consider …

68

Selection of billing method

69

How does it work:

70

Web based access control

70

GSM/GPRS/UMTS

75

WLAN IEEE802.11

75

WLAN – UMTS Interworking:

76

ORJDULWKPLFVFDOH

78

Conclusions for

79

Mobile Network Operators

79

'+&3

82

SMS containing Password

82

Siemens IEEE802.11 Especificações (184 páginas)

Marca: Siemens | Categoria: Redes | Tamanho: 6.29 MB |

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Siemens IK PI · 2015

1

Introduction

2

Application examples

6

Overview

10

Overview (continued)

11

© Siemens AG 2014

100

Technical specifications

102

Article No. Article No

104

Function

106

Article No

109

WinAC WinACWinAC

111

Integration

115

IWLAN – Accessories

118

Wireless Devices

152

WirelessHART

162

Siemens IEEE802.11 Instruções de Operação (292 páginas)

Marca: Siemens | Categoria: Redes | Tamanho: 7.33 MB |

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Índice

-G8976-C323-03

1

Legal information

2

Table of contents

3

Table of contents

5

Introduction

9

SIMATIC NET manuals

10

Further documentation

11

Abbreviations used

11

SIMATIC NET glossary

12

Description

13

2.1 Network structures

14

Multichannel configuration

15

Product characteristics

18

IEEE 802.11n

20

MIMO antenna technology

21

Spatial mutliplexing

21

Channel bonding

22

Frame aggregation

22

Accelerated guard interval

22

Power over Ethernet (PoE)

24

Endspan

25

Midspan

25

Cable lengths

26

Technical basics

29

Adopt Own MAC

30

Layer 2 Tunnel

30

3.3 iPCF / iPCF-MC

31

Technical basics

32

3.3 iPCF / iPCF-MC

32

Restrictions

33

Requirements for iPCF-MC

33

How it works

33

Requirement

34

Advantages

34

NAT/NAPT

36

Introduction

37

RSTP, MSTP, CIST

39

3.8 Spanning Tree

40

Structure of an IP address

41

Configuration options

42

Properties of DHCP

42

STEP 7 V5.x and earlier

44

STEP 7 as of V13

44

Web Based Management

45

5.2 Login

46

5.2 Login

47

Login with HTTP

48

Login with HTTPS

48

"Wizard" menu

49

Buttons you require often

50

System Settings

50

Country Settings

52

IP Address Settings

53

Management Interfaces

54

System configuration

54

Antenna Settings

56

Radio Settings

57

5.3 "Wizard" menu

58

Access Point Settings

60

Client Settings

62

5.3.1.10

65

Security Settings

65

5.3.1.11

68

Dot1x Supplicant Settings

68

5.3.1.12

69

Dot1x RADIUS Server Settings

69

5.3.1.13

70

Summary of Settings

70

Set Values

70

"Information" menu

71

Selection area (1)

73

Display area (2)

73

Navigation area (3)

74

Content area (4)

74

Versions

75

I&M

77

ARP Table

78

Log Tables

79

Description of the button

80

WLAN Authentication Log

81

Error status

82

Redundancy

83

Ethernet Statistics

87

Displayed values

88

Packet Size

88

Frames sorted by length

88

Learning Table

92

5.4.11.1

94

Overview AP

94

5.4.11.2

97

Client List

97

Logged-on clients

97

5.4.11.3

98

WDS List

98

5.4.11.4

100

Overlap AP

100

Overlapping channels

100

Description

100

5.4.11.5

101

Overview Client

101

Available AP

103

Available access points

103

5.4.11.6

103

5.4.11.7

105

IP Mapping Table

105

MAC Mode

106

WLAN Statistics

107

5.4.12.2

109

Management Sent

109

5.4.12.3

111

Management Received

111

5.4.12.4

113

Data Sent

113

5.4.12.5

115

Data Received

115

WLAN iFeatures

116

5.4.13.2

117

5.4.13.3

118

AeroScout

118

Security

120

"System" menu

122

Procedure

124

General

125

Coordinates

126

Agent IP

128

DNS Client

130

Restart

131

5.5 "System" menu

132

Commit Control

134

Load&Save

135

Passwords

143

Configuration

145

Selecting system events

145

Severity Filter

147

Setting the severity filter

147

SMTP Client

148

5.5.10.1

150

DHCP Client

150

Setting the DHCP mode

150

5.5.10.2

152

DHCP Server

152

5.5.10.3

154

DHCP Options

154

5.5.10.4

156

Static Leases

156

5.5.11.1

157

Configuration of SNMP

157

5.5.11.3

160

5.5.11.4

162

System Time

164

5.5.12.1

165

Manual Setting

165

5.5.12.2

166

DST Overview

166

Settings

167

5.5.12.3

168

DST Configuration

168

5.5.12.4

172

SNTP Client

172

5.5.12.5

175

NTP Client

175

Auto Logout

178

Syslog Client

179

Fault Monitoring

180

5.5.15.2

182

Link Change

182

Settings for PROFINET IO

183

SCALANCE W700 and STEP 7

184

PNIO for client devices

185

5.5.17.1

185

5.5.17.2

188

License

188

"Interfaces" menu

192

Configuring ports

193

Basic settings

195

Advanced

199

Further possible settings

199

Antennas

201

Overview

201

Steps in configuration

203

Allowed Channels

204

Channel settings

204

802.11n

206

Properties of 802.11n

206

AP 802.11a/b/g Rates

212

AP 802.11n Rates

214

5.6.2.10

217

Connecting to a network

217

5.6.2.11

220

Signal Recorder

220

Notes on usage

221

Measurement results

222

"Layer 2" menu

225

Port-based VLAN

228

Processing received frames

228

Dynamic MAC Aging

230

Spanning Tree

231

CIST General

233

MSTP-CIST configuration

233

5.7 "Layer 2" menu

234

MST general

239

MST Port

240

DCP Forwarding

242

"Layer 3" menu

245

"Security" menu

248

Safety levels

249

AP Communication

252

Communications options

252

AP Radius Authenticator

254

Client Radius Supplicant

256

Client Supplicant

256

Management ACL

258

Inter AP blocking

260

Allowed address

262

"iFeatures" menu

263

Access point mode

264

Client mode

265

When should iPCF-MC be used?

267

When should iREF be used?

268

Upkeep and maintenance

271

Troubleshooting/FAQ

273

Solution

274

Mixed mode

275

Troubleshooting/FAQ

276

Appendix A

277

Appendix A

278

Appendix B

279

Appendix B

280

Appendix C

281

Appendix C

282

C.1 Underlying standards

282

Appendix D

283

Messages on configuration

284

Messages error status

285

Messages about MSTP

286

Messages about security

286

Messages about PLUG

287

Messages in client mode

288

Index

289

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