ZyXEL NXC2500 User guide

Default Login Details

User’s Guide

NXC Series

Wireless LAN Controller

LAN IP Address https://192.168.1.1

User Name admin

Password 1234

Version 5.20 Edition 1, 12/2017

NXC Series User’s Guide

2

IMPORTANT!

READ CAREFULLY BEFORE USE.

KEEP THIS GUIDE FOR FUTURE REFERENCE.

This is a User’s Guide for a series of products. Not all products support all firmware features. Screenshots

and graphics in this book may differ slightly from your product due to differences in your product

firmware or your computer operating system. Every effort has been made to ensure that the information

in this manual is accurate.

Related Documentation

•Quick Start Guide

The Quick Start Guide is designed to show you how to make the NXC hardware connections and

access the Web Configurator.

•CLI Reference Guide

The CLI Reference Guide explains how to use the Command-Line Interface (CLI) and CLI commands

to configure the NXC.

Note: It is recommended you use the Web Configurator to configure the NXC.

• Web Configurator Online Help

Click the help icon in any screen for help in configuring that screen and supplementary information.

•More Information

Go to support.zyxel.com to find other information on the NXC

.

NXC Series User’s Guide

3

Document Conventions

Warnings and Notes

These are how warnings and notes are shown in this guide.

Warnings tell you about things that could harm you or your device.

Note: Notes tell you other important information (for example, other things you may need to

configure or helpful tips) or recommendations.

Syntax Conventions

• All models in this series may be referred to as the “NXC” in this guide.

• Product labels, screen names, field labels and field choices are all in bold font.

• A right angle bracket ( > ) within a screen name denotes a mouse click. For example, Configuration >

Network > Interface means you first click Configuration in the navigation panel, then the Network sub

menu and finally the Interface tab to get to that screen.

Icons Used in Figures

Figures in this guide may use the following generic icons. The NXC icon is not an exact representation of

your device.

NXC AP Router Switch

Internet Server Desktop Laptop

Contents Overview

NXC Series User’s Guide

4

Contents Overview

User’s Guide ......................................................................................................................................17

Introduction ........................................................................................................................................... 18

Hardware Installation and Connection ............................................................................................. 24

The Web Configurator ......................................................................................................................... 30

Setup Wizard ......................................................................................................................................... 44

Technical Reference ........................................................................................................................54

Dashboard ............................................................................................................................................ 55

Monitor ................................................................................................................................................... 67

Registration .......................................................................................................................................... 108

Wireless ................................................................................................................................................. 111

Interfaces ............................................................................................................................................. 137

Policy and Static Routes .................................................................................................................... 160

Zones .................................................................................................................................................... 170

NAT ....................................................................................................................................................... 173

ALG ....................................................................................................................................................... 180

IP/MAC Binding ................................................................................................................................... 182

Captive Portal ..................................................................................................................................... 187

RTLS ....................................................................................................................................................... 210

Firewall ................................................................................................................................................. 213

User/Group .......................................................................................................................................... 222

AP Profile .............................................................................................................................................. 241

MON Profile ......................................................................................................................................... 261

ZyMesh Profile ...................................................................................................................................... 266

Addresses ............................................................................................................................................ 270

Services ................................................................................................................................................ 275

Schedules ............................................................................................................................................ 280

AAA Server .......................................................................................................................................... 284

Authentication Method ..................................................................................................................... 295

Certificates .......................................................................................................................................... 298

DHCPv6 ................................................................................................................................................ 313

System .................................................................................................................................................. 315

Log and Report ................................................................................................................................... 358

File Manager ....................................................................................................................................... 373

Diagnostics .......................................................................................................................................... 384

Packet Flow Explore ........................................................................................................................... 397

Reboot ................................................................................................................................................. 404

Shutdown ............................................................................................................................................. 405

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Troubleshooting .................................................................................................................................. 406

Table of Contents

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Table of Contents

Document Conventions ......................................................................................................................3

Contents Overview .............................................................................................................................4

Table of Contents.................................................................................................................................6

Part I: User’s Guide..........................................................................................17

Chapter 1

Introduction ........................................................................................................................................18

1.1 Overview ......................................................................................................................................... 18

1.2 Zones, Interfaces, and Physical Ports ........................................................................................... 18

1.2.1 Interface Types ...................................................................................................................... 19

1.2.2 Interface and Zone Configuration ...................................................................................... 19

1.3 Applications .................................................................................................................................... 20

1.3.1 AP Management .................................................................................................................. 20

1.3.2 Wireless Security .................................................................................................................... 20

1.3.3 Captive Portal ....................................................................................................................... 20

1.3.4 Load Balancing ..................................................................................................................... 21

1.3.5 Dynamic Channel Selection ................................................................................................21

1.3.6 User-Aware Access Control ................................................................................................. 21

1.4 Management Overview ................................................................................................................ 22

1.5 Object-based Configuration ........................................................................................................ 22

1.6 Starting and Stopping the NXC .................................................................................................... 23

Chapter 2

Hardware Installation and Connection ...........................................................................................24

2.1 Rack-mounted Installation ............................................................................................................ 24

2.1.1 Rack-Mounted Installation Procedure ............................................................................... 24

2.2 Front Panel ...................................................................................................................................... 25

2.2.1 NXC2500 ................................................................................................................................. 25

2.2.2 NXC5500 ................................................................................................................................. 25

2.2.3 Front Panel LEDs .................................................................................................................... 27

2.3 Rear Panel ....................................................................................................................................... 28

Chapter 3

The Web Configurator........................................................................................................................30

3.1 Overview ......................................................................................................................................... 30

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3.2 Access .............................................................................................................................................. 30

3.3 The Main Screen ............................................................................................................................. 31

3.3.1 Title Bar ................................................................................................................................... 32

3.3.2 Navigation Panel .................................................................................................................. 35

3.3.3 Warning Messages ................................................................................................................ 40

3.3.4 Tables and Lists ...................................................................................................................... 40

Chapter 4

Setup Wizard.......................................................................................................................................44

4.1 Accessing the Wizard ..................................................................................................................... 44

4.2 Using the Wizard ............................................................................................................................. 44

4.2.1 Country Code ....................................................................................................................... 44

4.2.2 Time Zone ............................................................................................................................... 45

4.2.3 Uplink ..................................................................................................................................... 46

4.2.4 Management VLAN .............................................................................................................. 47

4.2.5 VLAN ....................................................................................................................................... 48

4.2.6 Radio ..................................................................................................................................... 49

4.2.7 SSID ........................................................................................................................................ 50

4.2.8 Summary ............................................................................................................................... 52

Part II: Technical Reference...........................................................................54

Chapter 5

Dashboard..........................................................................................................................................55

5.1 Overview ......................................................................................................................................... 55

5.1.1 What You Can Do in this Chapter ....................................................................................... 55

5.2 Dashboard ...................................................................................................................................... 56

5.2.1 CPU Usage ............................................................................................................................. 60

5.2.2 Memory Usage ...................................................................................................................... 60

5.2.3 Session Usage ........................................................................................................................ 61

5.2.4 DHCP Table ............................................................................................................................ 61

5.2.5 Number of Login Users .......................................................................................................... 62

5.2.6 AP Status ................................................................................................................................ 63

5.2.7 Station Traffic ......................................................................................................................... 65

Chapter 6

Monitor................................................................................................................................................67

6.1 Overview ......................................................................................................................................... 67

6.1.1 What You Can Do in this Chapter ....................................................................................... 67

6.2 What You Need to Know ............................................................................................................... 68

6.3 Port Statistics ................................................................................................................................... 69

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6.3.1 Port Statistics Graph ............................................................................................................. 70

6.4 Interface Status ............................................................................................................................... 71

6.5 Traffic Statistics ................................................................................................................................ 73

6.6 Session Monitor .............................................................................................................................. 76

6.7 IP/MAC Binding Monitor ................................................................................................................ 79

6.8 Login Users ...................................................................................................................................... 79

6.8.1 Dynamic Guest .................................................................................................................... 81

6.8.2 Trusted MAC Address List ..................................................................................................... 82

6.9 USB Storage .................................................................................................................................... 82

6.10 Ethernet Neighbor ....................................................................................................................... 84

6.11 AP List ............................................................................................................................................ 84

6.11.1 Station Count of AP ........................................................................................................... 87

6.11.2 Config AP ............................................................................................................................ 89

6.12 Radio List ....................................................................................................................................... 94

6.12.1 AP Mode Radio Information .............................................................................................. 96

6.13 ZyMesh Link Info ............................................................................................................................ 98

6.14 SSID Info ......................................................................................................................................... 99

6.15 Station List ................................................................................................................................... 100

6.16 Detected Device ....................................................................................................................... 101

6.17 View Log ...................................................................................................................................... 103

6.18 View AP Log ............................................................................................................................... 105

Chapter 7

Registration.......................................................................................................................................108

7.1 Overview ....................................................................................................................................... 108

7.1.1 What You Can Do in this Chapter ..................................................................................... 108

7.1.2 What you Need to Know ....................................................................................................108

7.2 Registration .................................................................................................................................... 109

7.3 Service ........................................................................................................................................... 109

Chapter 8

Wireless.............................................................................................................................................111

8.1 Overview ....................................................................................................................................... 111

8.1.1 What You Can Do in this Chapter ..................................................................................... 111

8.1.2 What You Need to Know ................................................................................................... 111

8.2 Controller ...................................................................................................................................... 112

8.3 AP Management .......................................................................................................................... 112

8.3.1 Mgmt. AP List ....................................................................................................................... 113

8.3.2 AP Policy .............................................................................................................................. 121

8.3.3 AP Group ............................................................................................................................. 122

8.3.4 Firmware ............................................................................................................................... 128

8.4 Rogue AP ....................................................................................................................................... 130

8.4.1 Add/Edit Rogue/Friendly List .............................................................................................. 132

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8.5 Auto Healing ................................................................................................................................. 132

8.6 Technical Reference .................................................................................................................... 133

8.6.1 Dynamic Channel Selection .............................................................................................. 133

8.6.2 Load Balancing ................................................................................................................... 134

8.6.3 Disassociating and Delaying Connections ...................................................................... 135

Chapter 9

Interfaces..........................................................................................................................................137

9.1 Interface Overview ...................................................................................................................... 137

9.1.1 What You Can Do in this Chapter ..................................................................................... 137

9.1.2 What You Need to Know ................................................................................................... 137

9.2 Ethernet Summary ....................................................................................................................... 138

9.2.1 Edit Ethernet ........................................................................................................................ 139

9.2.2 Object References .............................................................................................................. 146

9.2.3 Add DHCPv6 Request Options .......................................................................................... 146

9.2.4 Add/Edit DHCP Extended Options ................................................................................... 147

9.3 VLAN Interfaces ........................................................................................................................... 149

9.3.1 VLAN Summary .................................................................................................................... 150

9.3.2 Add/Edit VLAN ................................................................................................................... 151

9.4 Technical Reference .................................................................................................................... 157

Chapter 10

Policy and Static Routes..................................................................................................................160

10.1 Overview ..................................................................................................................................... 160

10.1.1 What You Can Do in this Chapter ................................................................................... 160

10.1.2 What You Need to Know ................................................................................................ 160

10.2 Policy Route ............................................................................................................................... 161

10.2.1 Add/Edit Policy Route ...................................................................................................... 163

10.3 Static Route ................................................................................................................................ 166

10.3.1 Static Route Setting .......................................................................................................... 167

10.4 Technical Reference .................................................................................................................. 167

Chapter 11

Zones.................................................................................................................................................170

11.1 Overview ..................................................................................................................................... 170

11.1.1 What You Can Do in this Chapter ................................................................................... 170

11.1.2 What You Need to Know ................................................................................................. 170

11.2 Zone ............................................................................................................................................. 171

11.2.1 Add/Edit Zone .................................................................................................................. 171

Chapter 12

NAT....................................................................................................................................................173

12.1 Overview ..................................................................................................................................... 173

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12.1.1 What You Can Do in this Chapter ................................................................................... 173

12.2 NAT Summary .............................................................................................................................. 173

12.2.1 Add/Edit NAT ..................................................................................................................... 174

12.3 Technical Reference .................................................................................................................. 177

Chapter 13

ALG....................................................................................................................................................180

13.1 Overview ..................................................................................................................................... 180

13.1.1 What You Can Do in this Chapter ................................................................................... 180

13.1.2 What You Need to Know ................................................................................................. 180

13.1.3 Before You Begin ............................................................................................................... 180

13.2 ALG .............................................................................................................................................. 180

13.3 Technical Reference .................................................................................................................. 181

Chapter 14

IP/MAC Binding................................................................................................................................182

14.1 Overview ..................................................................................................................................... 182

14.1.1 What You Can Do in this Chapter ................................................................................... 182

14.1.2 What You Need to Know ................................................................................................. 182

14.2 IP/MAC Binding Summary ......................................................................................................... 183

14.2.1 Edit IP/MAC Binding .......................................................................................................... 184

14.2.2 Add/Edit Static DHCP Rule .............................................................................................. 185

14.3 IP/MAC Binding Exempt List ....................................................................................................... 186

Chapter 15

Captive Portal...................................................................................................................................187

15.1 Overview ..................................................................................................................................... 187

15.1.1 Captive Portal Type .......................................................................................................... 187

15.1.2 What You Can Do in this Chapter ................................................................................... 188

15.2 Captive Portal ............................................................................................................................. 188

15.2.1 Add Exceptional Services ................................................................................................190

15.3 Custom Captive Portal .............................................................................................................. 191

15.3.1 Add Customized Page .....................................................................................................192

15.3.2 Custom Login and Access Pages ................................................................................... 195

15.3.3 External or Uploaded Web Portal Details ....................................................................... 197

15.4 Redirect on Controller ................................................................................................................ 200

15.4.1 Auth. Policy Add/Edit ....................................................................................................... 201

15.5 Redirect on AP ............................................................................................................................ 205

15.5.1 Auth. Policy Group Add/Edit ........................................................................................... 206

15.5.2 Auth. Policy Add/Edit ....................................................................................................... 207

Chapter 16

RTLS....................................................................................................................................................210

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16.1 Overview ..................................................................................................................................... 210

16.1.1 What You Can Do in this Chapter ................................................................................... 210

16.2 Before You Begin ........................................................................................................................ 211

16.3 Configuring RTLS ......................................................................................................................... 211

Chapter 17

Firewall..............................................................................................................................................213

17.1 Overview ..................................................................................................................................... 213

17.1.1 What You Can Do in this Chapter ................................................................................... 213

17.1.2 What You Need to Know ................................................................................................. 213

17.2 Firewall ......................................................................................................................................... 215

17.2.1 Add/Edit Firewall Screen .................................................................................................. 217

17.3 Session Control ........................................................................................................................... 219

17.3.1 Add/Edit Session Limit ....................................................................................................... 220

Chapter 18

User/Group.......................................................................................................................................222

18.1 Overview ..................................................................................................................................... 222

18.1.1 What You Can Do in this Chapter ................................................................................... 222

18.1.2 What You Need To Know ................................................................................................. 222

18.2 User Summary .............................................................................................................................. 224

18.2.1 Add/Edit User ..................................................................................................................... 225

18.3 Group Summary ......................................................................................................................... 228

18.3.1 Add/Edit Group ................................................................................................................ 229

18.4 Setting ......................................................................................................................................... 230

18.4.1 Edit User Authentication Timeout Settings ...................................................................... 233

18.4.2 Add/Edit Dynamic Guest Group ..................................................................................... 234

18.4.3 User Aware Login Example .............................................................................................. 235

18.4.4 Guest Manager Login Example ...................................................................................... 236

18.5 MAC Address .............................................................................................................................. 239

18.5.1 Add/Edit MAC Address ....................................................................................................240

Chapter 19

AP Profile...........................................................................................................................................241

19.1 Overview ..................................................................................................................................... 241

19.1.1 What You Can Do in this Chapter ................................................................................... 241

19.1.2 What You Need To Know ................................................................................................. 241

19.2 Radio ............................................................................................................................................ 242

19.2.1 Add/Edit Radio Profile ...................................................................................................... 243

19.3 SSID .............................................................................................................................................. 248

19.3.1 SSID List .............................................................................................................................. 249

19.3.2 Security List ......................................................................................................................... 252

19.3.3 MAC Filter List ..................................................................................................................... 257

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19.3.4 Layer-2 Isolation List .......................................................................................................... 259

Chapter 20

MON Profile.......................................................................................................................................261

20.1 Overview ..................................................................................................................................... 261

20.1.1 What You Can Do in this Chapter ................................................................................... 261

20.1.2 What You Need To Know ................................................................................................. 261

20.2 MON Profile ................................................................................................................................. 261

20.2.1 Add/Edit MON Profile ....................................................................................................... 262

20.3 Technical Reference .................................................................................................................. 264

Chapter 21

ZyMesh Profile ..................................................................................................................................266

21.1 Overview ..................................................................................................................................... 266

21.1.1 What You Can Do in this Chapter ................................................................................... 267

21.2 ZyMesh Profile .............................................................................................................................. 267

21.2.1 Add/Edit ZyMesh Profile ................................................................................................... 269

Chapter 22

Addresses.........................................................................................................................................270

22.1 Overview ..................................................................................................................................... 270

22.1.1 What You Can Do in this Chapter ................................................................................... 270

22.1.2 What You Need To Know ................................................................................................. 270

22.2 Address Summary ....................................................................................................................... 270

22.2.1 Add/Edit Address ............................................................................................................. 271

22.3 Address Group Summary ........................................................................................................... 273

22.3.1 Add/Edit Address Group Rule ........................................................................................ 273

Chapter 23

Services.............................................................................................................................................275

23.1 Overview ..................................................................................................................................... 275

23.1.1 What You Can Do in this Chapter ................................................................................... 275

23.1.2 What You Need to Know ................................................................................................. 275

23.2 Service Summary ........................................................................................................................ 276

23.2.1 Add/Edit Service Rule ...................................................................................................... 277

23.3 Service Group Summary ........................................................................................................... 278

23.3.1 Add/Edit Service Group Rule .......................................................................................... 278

Chapter 24

Schedules.........................................................................................................................................280

24.1 Overview ..................................................................................................................................... 280

24.1.1 What You Can Do in this Chapter ................................................................................... 280

24.1.2 What You Need to Know ................................................................................................. 280

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24.2 Schedule Summary .................................................................................................................... 280

24.2.1 Add/Edit Schedule One-Time Rule ................................................................................ 282

24.2.2 Add/Edit Schedule Recurring Rule ................................................................................ 283

Chapter 25

AAA Server .......................................................................................................................................284

25.1 Overview ..................................................................................................................................... 284

25.1.1 What You Can Do in this Chapter ................................................................................... 284

25.1.2 What You Need To Know ................................................................................................. 284

25.2 Active Directory / LDAP ............................................................................................................. 287

25.2.1 Add/Edit Active Directory / LDAP Server ....................................................................... 288

25.3 RADIUS ......................................................................................................................................... 291

25.3.1 Add/Edit RADIUS .............................................................................................................. 291

Chapter 26

Authentication Method ...................................................................................................................295

26.1 Overview ..................................................................................................................................... 295

26.1.1 What You Can Do in this Chapter ................................................................................... 295

26.1.2 Before You Begin ............................................................................................................... 295

26.2 Authentication Method ............................................................................................................. 295

26.2.1 Add Authentication Method ........................................................................................... 296

Chapter 27

Certificates .......................................................................................................................................298

27.1 Overview ..................................................................................................................................... 298

27.1.1 What You Can Do in this Chapter ................................................................................... 298

27.1.2 What You Need to Know ................................................................................................. 298

27.1.3 Verifying a Certificate ...................................................................................................... 300

27.2 My Certificates ........................................................................................................................... 301

27.2.1 Adding My Certificates .................................................................................................... 302

27.2.2 Editing My Certificates ...................................................................................................... 304

27.2.3 Importing Certificates ...................................................................................................... 306

27.3 Trusted Certificates ..................................................................................................................... 307

27.3.1 Editing Trusted Certificates ............................................................................................... 309

27.3.2 Importing Trusted Certificates ..........................................................................................311

27.4 Technical Reference .................................................................................................................. 312

Chapter 28

DHCPv6 .............................................................................................................................................313

28.1 Overview ..................................................................................................................................... 313

28.1.1 What You Can Do in this Chapter ................................................................................... 313

28.2 DHCPv6 Request ........................................................................................................................ 313

28.2.1 Add/Edit DHCPv6 Request Object ................................................................................ 314

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Chapter 29

System...............................................................................................................................................315

29.1 Overview ..................................................................................................................................... 315

29.1.1 What You Can Do in this Chapter ................................................................................... 315

29.2 Host Name ................................................................................................................................... 315

29.3 USB Storage ................................................................................................................................. 316

29.4 Date and Time ........................................................................................................................... 317

29.4.1 Pre-defined NTP Time Servers List ..................................................................................... 320

29.4.2 Time Server Synchronization ............................................................................................ 320

29.5 Console Speed ........................................................................................................................... 321

29.6 DNS Overview ............................................................................................................................ 322

29.6.1 DNS Server Address Assignment ...................................................................................... 322

29.6.2 Configuring the DNS Screen ............................................................................................ 322

29.6.3 Address Record ................................................................................................................ 324

29.6.4 PTR Record ......................................................................................................................... 324

29.6.5 Adding an Address/PTR Record ...................................................................................... 324

29.6.6 Domain Zone Forwarder ................................................................................................. 325

29.6.7 Add Domain Zone Forwarder .......................................................................................... 325

29.6.8 MX Record ........................................................................................................................ 326

29.6.9 Add MX Record ................................................................................................................. 326

29.6.10 Add Service Control ....................................................................................................... 327

29.7 WWW Overview ......................................................................................................................... 328

29.7.1 Service Access Limitations ............................................................................................... 328

29.7.2 System Timeout .................................................................................................................. 328

29.7.3 HTTPS ................................................................................................................................... 329

29.7.4 Configuring WWW Service Control ................................................................................. 329

29.7.5 Service Control Rules ........................................................................................................ 332

29.7.6 HTTPS Example ................................................................................................................... 333

29.7.7 Mozilla Firefox Warning Messages ................................................................................... 334

29.7.8 Google Chrome Warning Messages .............................................................................. 335

29.8 SSH ............................................................................................................................................. 342

29.8.1 How SSH Works .................................................................................................................. 343

29.8.2 SSH Implementation on the NXC .................................................................................... 344

29.8.3 Requirements for Using SSH ..............................................................................................344

29.8.4 Configuring SSH ................................................................................................................. 344

29.8.5 Examples of Secure Telnet Using SSH .............................................................................. 345

29.9 Telnet ........................................................................................................................................... 347

29.10 FTP .............................................................................................................................................. 348

29.11 SNMP ......................................................................................................................................... 350

29.11.1 Supported MIBs ............................................................................................................... 351

29.11.2 SNMP Traps ....................................................................................................................... 351

29.11.3 Configuring SNMP ........................................................................................................... 352

29.11.4 Adding or Editing an SNMPv3 User Profile .................................................................... 354

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29.12 Authentication Server ............................................................................................................. 354

29.12.1 Add/Edit Trusted Client .................................................................................................. 356

29.13 Language ................................................................................................................................. 356

29.14 IPv6 ............................................................................................................................................. 357

Chapter 30

Log and Report.................................................................................................................................358

30.1 Overview ..................................................................................................................................... 358

30.1.1 What You Can Do In this Chapter .................................................................................. 358

30.2 Email Daily Report ....................................................................................................................... 358

30.3 Log Settings ................................................................................................................................ 360

30.3.1 Log Settings Summary ...................................................................................................... 361

30.3.2 Editing System Log Settings ............................................................................................. 363

30.3.3 Editing USB Storage Log Settings .................................................................................... 366

30.3.4 Editing Remote Server Log Settings ............................................................................... 367

30.3.5 Log Category Settings ..................................................................................................... 369

Chapter 31

File Manager ....................................................................................................................................373

31.1 Overview ..................................................................................................................................... 373

31.1.1 What You Can Do in this Chapter ................................................................................... 373

31.1.2 What you Need to Know .................................................................................................. 373

31.2 Configuration File ....................................................................................................................... 375

31.3 Firmware Package .................................................................................................................... 379

31.4 Shell Script ................................................................................................................................... 381

Chapter 32

Diagnostics.......................................................................................................................................384

32.1 Overview ..................................................................................................................................... 384

32.1.1 What You Can Do in this Chapter ................................................................................... 384

32.2 Diagnostics ................................................................................................................................. 384

32.2.1 Diagnostics - AP Configuration ....................................................................................... 385

32.2.2 Diagnostics Files ................................................................................................................. 387

32.3 Packet Capture ......................................................................................................................... 387

32.3.1 Packet Capture Files ........................................................................................................ 390

32.3.2 Example of Viewing a Packet Capture File ................................................................... 391

32.4 Core Dump .................................................................................................................................. 391

32.4.1 Core Dump Files ................................................................................................................ 392

32.5 System Log ................................................................................................................................. 393

32.6 Wireless Frame Capture ............................................................................................................ 394

32.6.1 Wireless Frame Capture Files .......................................................................................... 395

Chapter 33

Packet Flow Explore ........................................................................................................................397

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33.1 Overview ..................................................................................................................................... 397

33.1.1 What You Can Do in this Chapter ................................................................................... 397

33.2 The Routing Status Screen ......................................................................................................... 397

33.3 The SNAT Status Screen .............................................................................................................. 400

Chapter 34

Reboot...............................................................................................................................................404

34.1 Overview ..................................................................................................................................... 404

34.1.1 What You Need To Know ................................................................................................. 404

34.2 Reboot ......................................................................................................................................... 404

Chapter 35

Shutdown..........................................................................................................................................405

35.1 Overview ..................................................................................................................................... 405

35.1.1 What You Need To Know ................................................................................................. 405

35.2 Shutdown ..................................................................................................................................... 405

Chapter 36

Troubleshooting................................................................................................................................406

36.1 Overview ..................................................................................................................................... 406

36.1.1 General .............................................................................................................................. 406

36.1.2 Wireless ............................................................................................................................... 411

36.2 Resetting the NXC ...................................................................................................................... 413

36.3 Getting More Troubleshooting Help .........................................................................................414

Appendix A Log Descriptions......................................................................................................... 415

Appendix B Common Services...................................................................................................... 442

Appendix C Importing Certificates ............................................................................................... 445

Appendix D Wireless LANs .............................................................................................................. 458

Appendix E IPv6............................................................................................................................... 470

Appendix F Customer Support ...................................................................................................... 478

Appendix G Legal Information...................................................................................................... 484

Index.................................................................................................................................................489

17

PART I

User’s Guide

NXC Series User’s Guide

18

CHAPTER 1

Introduction

1.1 Overview

This User’s Guide covers the following models: NXC2500 and NXC5500.

The NXC is a comprehensive wireless LAN controller. Its flexible configuration helps network

administrators set up wireless LAN networks and efficiently enforce security policies over them. In

addition, the NXC provides excellent throughput, making it an ideal solution for reliable, secure service.

The NXC’s security features include firewall and certificates. It also provides captive portal configuration,

NAT, port forwarding, policy routing, DHCP server, extensive wireless AP control options, and many other

powerful features. Flexible configuration helps you set up the network and enforce security policies

efficiently.

The front panel physical Gigabit Ethernet ports (labeled P1, P2, P3, and so on) are mapped to Gigabit

Ethernet (ge) interfaces. By default P1 is mapped to ge1, P2 is mapped to ge2 and so on.

• The default LAN IP address is 192.168.1.1.

• The default administrator login user name and password are “admin” and “1234” respectively.

1.2 Zones, Interfaces, and Physical Ports

Here is an overview of zones, interfaces, and physical ports in the NXC.

Table 1 NXC Series Comparison Table

FEATURES NXC2500 NXC5500

Two USB Ports

Yes Yes

Console Port (Serial Port) DB-9 Connector RJ-45 Connector

Table 2 Zones, Interfaces, and Physical Ethernet Ports

Zones

(LAN)

A zone is a group of interfaces. Use zones to apply security settings such as firewall.

Interfaces

(Ethernet, VLAN)

Interfaces are logical entities that (layer-3) packets pass through. Use interfaces in

configuring zones, policy routes, static routes, and NAT.

Port combine physical ports into interfaces.

Physical Ethernet Ports

(P1, P2, P3, and so on)

The physical port is where you connect a cable.

Chapter 1 Introduction

NXC Series User’s Guide

19

1.2.1 Interface Types

There are two types of interfaces in the NXC. In addition to being used in various features, interfaces also

describe the network that is directly connected to it.

• Ethernet interfaces are the foundation for defining other interfaces and network policies.

• VLAN interfaces recognize tagged frames. The NXC automatically adds or removes the tags as

needed. Each VLAN can only be associated with one Ethernet interface.

Note: By default, all Ethernet interfaces are placed into vlan0, allowing the NXC to function as

a bridge device.

1.2.2 Interface and Zone Configuration

This section introduces the NXC’s default zone member physical interfaces and the default

configuration of those interfaces. This section uses the NXC5500 drawings as an example.

Figure 1 Default Network Topology

Table 3 Default Interfaces Configuration

• The LAN zone contains the ge1~ ge6 interfaces (physical ports P1~P6). By default, all LAN interfaces

are put in vlan0.

• The console port is not in a zone and can be directly accessed by a computer attached to it using a

special console-to-Ethernet adapter.

PORT INTERFACE ZONE

IP ADDRESS AND DHCP

SETTINGS

SUGGESTED USE WITH DEFAULT

SETTINGS

P1~P6 ge1~ge6 LAN

(vlan0)

192.168.1.1, DHCP server disabled Dedicated LAN connections

CONSOLE N/A None None Local management

Chapter 1 Introduction

NXC Series User’s Guide

20

1.3 Applications

These are some example applications for your NXC.

1.3.1 AP Management

Manage multiple separate Access Points (APs) from a single, persistent location. APs can also be

configured to monitor for rogue APs.

Figure 2 AP Management Example

Here, the NXC (A) connects to a number of Power over Ethernet (PoE) devices (B). They connect to the

managed Access Points (C), such as NWA5123-NI, which in turn provide access to the network for the

wireless clients (D) within their broadcast radius.

1.3.2 Wireless Security

Keep the connections between wireless clients and your APs secure with the NXC’s comprehensive

wireless security tools. APs can be configured to require WEP and WPA encryption from all wireless clients

attempting to associate with them. Furthermore, you can protect your network by monitoring for rogue

APs. Rogue APs are wireless access points operating in a network’s coverage area that are not under

the control of the network’s administrators, and can potentially open up critical holes in a network’s

security policy.

1.3.3 Captive Portal

The NXC can be configured with a captive portal, which intercepts all network traffic, regardless of

address or port, until a connecting user authenticates his or her session, through a designated login Web

page.

A

B

C

D

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