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 5.30 Edition 1, 08/2018

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 .................................................................................................................... 167

Zones .................................................................................................................................................... 176

NAT ....................................................................................................................................................... 179

ALG ....................................................................................................................................................... 186

IP/MAC Binding ................................................................................................................................... 188

Captive Portal ..................................................................................................................................... 193

RTLS ....................................................................................................................................................... 216

Firewall ................................................................................................................................................. 219

User/Group .......................................................................................................................................... 227

AP Profile .............................................................................................................................................. 246

MON Profile ......................................................................................................................................... 266

ZyMesh Profile ...................................................................................................................................... 271

Addresses ............................................................................................................................................ 275

Services ................................................................................................................................................ 280

Schedules ............................................................................................................................................ 285

AAA Server .......................................................................................................................................... 289

Authentication Method ..................................................................................................................... 300

Certificates .......................................................................................................................................... 303

DHCPv6 ................................................................................................................................................ 318

System .................................................................................................................................................. 320

Log and Report ................................................................................................................................... 362

File Manager ....................................................................................................................................... 377

Diagnostics .......................................................................................................................................... 388

Packet Flow Explore ........................................................................................................................... 402

Reboot ................................................................................................................................................. 408

Shutdown ............................................................................................................................................. 409

Contents Overview

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Troubleshooting .................................................................................................................................. 410

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 Step 1 Password and Time Settings ..................................................................................... 44

4.2.2 Step 2 Uplink Connection and Management VLAN ....................................................... 45

4.2.3 Step 3 VLAN Settings ............................................................................................................. 46

4.2.4 Step 4 SSID ............................................................................................................................. 49

4.2.5 Step 5 Radio ......................................................................................................................... 51

4.2.6 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

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

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

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

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

6.7 IP/MAC Binding Monitor ................................................................................................................ 78

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

6.8.1 Dynamic Guest .................................................................................................................... 80

6.8.2 Trusted MAC Address List ..................................................................................................... 81

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

6.10 Ethernet Neighbor ....................................................................................................................... 83

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

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

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

6.12 Radio List ....................................................................................................................................... 95

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

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

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

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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 LAG ................................................................................................................................................ 157

9.4.1 LAG Summary Screen ......................................................................................................... 157

9.4.2 LAG Add/Edit ..................................................................................................................... 158

9.5 Technical Reference .................................................................................................................... 164

Chapter 10

Policy and Static Routes................................................................................................................. 167

10.1 Overview ..................................................................................................................................... 167

10.1.1 What You Can Do in this Chapter ................................................................................... 167

10.1.2 What You Need to Know ................................................................................................ 167

10.2 Policy Route ............................................................................................................................... 168

10.2.1 Add/Edit Policy Route ...................................................................................................... 170

10.3 Static Route ................................................................................................................................ 173

10.3.1 Static Route Setting .......................................................................................................... 174

10.4 Technical Reference .................................................................................................................. 174

Chapter 11

Zones................................................................................................................................................ 176

11.1 Overview ..................................................................................................................................... 176

11.1.1 What You Can Do in this Chapter ................................................................................... 176

11.1.2 What You Need to Know ................................................................................................. 176

11.2 Zone ............................................................................................................................................. 177

11.2.1 Add/Edit Zone .................................................................................................................. 177

Chapter 12

NAT................................................................................................................................................... 179

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12.1 Overview ..................................................................................................................................... 179

12.1.1 What You Can Do in this Chapter ................................................................................... 179

12.2 NAT Summary .............................................................................................................................. 179

12.2.1 Add/Edit NAT ..................................................................................................................... 180

12.3 Technical Reference .................................................................................................................. 183

Chapter 13

ALG................................................................................................................................................... 186

13.1 Overview ..................................................................................................................................... 186

13.1.1 What You Can Do in this Chapter ................................................................................... 186

13.1.2 What You Need to Know ................................................................................................. 186

13.1.3 Before You Begin ............................................................................................................... 186

13.2 ALG .............................................................................................................................................. 186

13.3 Technical Reference .................................................................................................................. 187

Chapter 14

IP/MAC Binding............................................................................................................................... 188

14.1 Overview ..................................................................................................................................... 188

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

14.1.2 What You Need to Know ................................................................................................. 188

14.2 IP/MAC Binding Summary ......................................................................................................... 189

14.2.1 Edit IP/MAC Binding .......................................................................................................... 190

14.2.2 Add/Edit Static DHCP Rule ............................................................................................... 191

14.3 IP/MAC Binding Exempt List ....................................................................................................... 191

Chapter 15

Captive Portal.................................................................................................................................. 193

15.1 Overview ..................................................................................................................................... 193

15.1.1 Captive Portal Type .......................................................................................................... 193

15.1.2 What You Can Do in this Chapter ................................................................................... 194

15.2 Captive Portal ............................................................................................................................. 194

15.2.1 Add Exceptional Services ................................................................................................ 196

15.3 Custom Captive Portal .............................................................................................................. 197

15.3.1 Add Customized Page ..................................................................................................... 198

15.3.2 Custom Login and Access Pages ................................................................................... 201

15.3.3 External or Uploaded Web Portal Details ....................................................................... 203

15.4 Redirect on Controller ................................................................................................................ 206

15.4.1 Auth. Policy Add/Edit ....................................................................................................... 207

15.5 Redirect on AP ............................................................................................................................ 211

15.5.1 Auth. Policy Group Add/Edit ........................................................................................... 212

15.5.2 Auth. Policy Add/Edit ....................................................................................................... 213

Chapter 16

RTLS................................................................................................................................................... 216

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16.1 Overview ..................................................................................................................................... 216

16.1.1 What You Can Do in this Chapter ................................................................................... 216

16.2 Before You Begin ........................................................................................................................ 217

16.3 Configuring RTLS ......................................................................................................................... 217

Chapter 17

Firewall............................................................................................................................................. 219

17.1 Overview ..................................................................................................................................... 219

17.1.1 What You Can Do in this Chapter ................................................................................... 219

17.1.2 What You Need to Know ................................................................................................. 219

17.2 Firewall ......................................................................................................................................... 221

17.2.1 Add/Edit Firewall Screen .................................................................................................. 223

17.3 Session Control ........................................................................................................................... 224

17.3.1 Add/Edit Session Limit ....................................................................................................... 225

Chapter 18

User/Group...................................................................................................................................... 227

18.1 Overview ..................................................................................................................................... 227

18.1.1 What You Can Do in this Chapter ................................................................................... 227

18.1.2 What You Need To Know ................................................................................................. 227

18.2 User Summary .............................................................................................................................. 229

18.2.1 Add/Edit User ..................................................................................................................... 230

18.3 Group Summary ......................................................................................................................... 233

18.3.1 Add/Edit Group ................................................................................................................ 234

18.4 Setting ......................................................................................................................................... 235

18.4.1 Edit User Authentication Timeout Settings ...................................................................... 239

18.4.2 Add/Edit Dynamic Guest Group ..................................................................................... 240

18.4.3 User Aware Login Example .............................................................................................. 240

18.4.4 Guest Manager Login Example ...................................................................................... 241

18.5 MAC Address .............................................................................................................................. 244

18.5.1 Add/Edit MAC Address .................................................................................................... 245

Chapter 19

AP Profile.......................................................................................................................................... 246

19.1 Overview ..................................................................................................................................... 246

19.1.1 What You Can Do in this Chapter ................................................................................... 246

19.1.2 What You Need To Know ................................................................................................. 246

19.2 Radio ............................................................................................................................................ 247

19.2.1 Add/Edit Radio Profile ...................................................................................................... 248

19.3 SSID .............................................................................................................................................. 253

19.3.1 SSID List .............................................................................................................................. 253

19.3.2 Security List ......................................................................................................................... 257

19.3.3 MAC Filter List ..................................................................................................................... 262

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19.3.4 Layer-2 Isolation List ........................................................................................................... 264

Chapter 20

MON Profile...................................................................................................................................... 266

20.1 Overview ..................................................................................................................................... 266

20.1.1 What You Can Do in this Chapter ................................................................................... 266

20.1.2 What You Need To Know ................................................................................................. 266

20.2 MON Profile ................................................................................................................................. 266

20.2.1 Add/Edit MON Profile ....................................................................................................... 267

20.3 Technical Reference .................................................................................................................. 269

Chapter 21

ZyMesh Profile ................................................................................................................................. 271

21.1 Overview ..................................................................................................................................... 271

21.1.1 What You Can Do in this Chapter ................................................................................... 272

21.2 ZyMesh Profile .............................................................................................................................. 272

21.2.1 Add/Edit ZyMesh Profile .................................................................................................... 274

Chapter 22

Addresses........................................................................................................................................ 275

22.1 Overview ..................................................................................................................................... 275

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

22.1.2 What You Need To Know ................................................................................................. 275

22.2 Address Summary ....................................................................................................................... 275

22.2.1 Add/Edit Address ............................................................................................................. 276

22.3 Address Group Summary ........................................................................................................... 277

22.3.1 Add/Edit Address Group Rule ........................................................................................ 278

Chapter 23

Services............................................................................................................................................ 280

23.1 Overview ..................................................................................................................................... 280

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

23.1.2 What You Need to Know ................................................................................................. 280

23.2 Service Summary ........................................................................................................................ 281

23.2.1 Add/Edit Service Rule ...................................................................................................... 282

23.3 Service Group Summary ........................................................................................................... 283

23.3.1 Add/Edit Service Group Rule .......................................................................................... 283

Chapter 24

Schedules........................................................................................................................................ 285

24.1 Overview ..................................................................................................................................... 285

24.1.1 What You Can Do in this Chapter ................................................................................... 285

24.1.2 What You Need to Know ................................................................................................. 285

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24.2 Schedule Summary .................................................................................................................... 285

24.2.1 Add/Edit Schedule One-Time Rule ................................................................................ 287

24.2.2 Add/Edit Schedule Recurring Rule ................................................................................ 288

Chapter 25

AAA Server ...................................................................................................................................... 289

25.1 Overview ..................................................................................................................................... 289

25.1.1 What You Can Do in this Chapter ................................................................................... 289

25.1.2 What You Need To Know ................................................................................................. 289

25.2 Active Directory / LDAP ............................................................................................................. 292

25.2.1 Add/Edit Active Directory / LDAP Server ....................................................................... 293

25.3 RADIUS ......................................................................................................................................... 296

25.3.1 Add/Edit RADIUS .............................................................................................................. 296

Chapter 26

Authentication Method .................................................................................................................. 300

26.1 Overview ..................................................................................................................................... 300

26.1.1 What You Can Do in this Chapter ................................................................................... 300

26.1.2 Before You Begin ............................................................................................................... 300

26.2 Authentication Method ............................................................................................................. 300

26.2.1 Add Authentication Method ........................................................................................... 301

Chapter 27

Certificates ...................................................................................................................................... 303

27.1 Overview ..................................................................................................................................... 303

27.1.1 What You Can Do in this Chapter ................................................................................... 303

27.1.2 What You Need to Know ................................................................................................. 303

27.1.3 Verifying a Certificate ...................................................................................................... 305

27.2 My Certificates ........................................................................................................................... 306

27.2.1 Adding My Certificates .................................................................................................... 307

27.2.2 Editing My Certificates ...................................................................................................... 309

27.2.3 Importing Certificates ...................................................................................................... 311

27.3 Trusted Certificates ..................................................................................................................... 312

27.3.1 Editing Trusted Certificates ............................................................................................... 314

27.3.2 Importing Trusted Certificates .......................................................................................... 316

27.4 Technical Reference .................................................................................................................. 317

Chapter 28

DHCPv6 ............................................................................................................................................ 318

28.1 Overview ..................................................................................................................................... 318

28.1.1 What You Can Do in this Chapter ................................................................................... 318

28.2 DHCPv6 Request ........................................................................................................................ 318

28.2.1 Add/Edit DHCPv6 Request Object ................................................................................ 319

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Chapter 29

System.............................................................................................................................................. 320

29.1 Overview ..................................................................................................................................... 320

29.1.1 What You Can Do in this Chapter ................................................................................... 320

29.2 Host Name ................................................................................................................................... 320

29.3 USB Storage ................................................................................................................................. 321

29.4 Date and Time ........................................................................................................................... 322

29.4.1 Pre-defined NTP Time Servers List ..................................................................................... 325

29.4.2 Time Server Synchronization ............................................................................................ 325

29.5 Console Speed ........................................................................................................................... 326

29.6 DNS Overview ............................................................................................................................ 327

29.6.1 DNS Server Address Assignment ...................................................................................... 327

29.6.2 Configuring the DNS Screen ............................................................................................ 327

29.6.3 Address Record ................................................................................................................ 329

29.6.4 PTR Record ......................................................................................................................... 329

29.6.5 Adding an Address/PTR Record ...................................................................................... 329

29.6.6 Domain Zone Forwarder ................................................................................................. 330

29.6.7 Add Domain Zone Forwarder .......................................................................................... 330

29.6.8 MX Record ........................................................................................................................ 331

29.6.9 Add MX Record ................................................................................................................. 331

29.6.10 Add Service Control ....................................................................................................... 332

29.7 WWW Overview ......................................................................................................................... 332

29.7.1 Service Access Limitations ............................................................................................... 333

29.7.2 System Timeout .................................................................................................................. 333

29.7.3 HTTPS ................................................................................................................................... 333

29.7.4 Configuring WWW Service Control ................................................................................. 334

29.7.5 Service Control Rules ........................................................................................................ 337

29.7.6 HTTPS Example ................................................................................................................... 338

29.7.7 Mozilla Firefox Warning Messages ................................................................................... 339

29.7.8 Google Chrome Warning Messages .............................................................................. 340

29.8 SSH ............................................................................................................................................. 347

29.8.1 How SSH Works .................................................................................................................. 348

29.8.2 SSH Implementation on the NXC .................................................................................... 349

29.8.3 Requirements for Using SSH .............................................................................................. 349

29.8.4 Configuring SSH ................................................................................................................. 349

29.8.5 Examples of Secure Telnet Using SSH .............................................................................. 350

29.9 Telnet ........................................................................................................................................... 351

29.10 FTP .............................................................................................................................................. 353

29.11 SNMP ......................................................................................................................................... 354

29.11.1 Supported MIBs ............................................................................................................... 355

29.11.2 SNMP Traps ....................................................................................................................... 355

29.11.3 Configuring SNMP ........................................................................................................... 356

29.11.4 Adding or Editing an SNMPv3 User Profile .................................................................... 357

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29.12 Authentication Server ............................................................................................................. 358

29.12.1 Add/Edit Trusted Client .................................................................................................. 359

29.13 Language ................................................................................................................................. 360

29.14 IPv6 ............................................................................................................................................. 361

Chapter 30

Log and Report................................................................................................................................ 362

30.1 Overview ..................................................................................................................................... 362

30.1.1 What You Can Do In this Chapter ................................................................................... 362

30.2 Email Daily Report ....................................................................................................................... 362

30.3 Log Settings ................................................................................................................................ 364

30.3.1 Log Settings Summary ...................................................................................................... 365

30.3.2 Editing System Log Settings ............................................................................................. 367

30.3.3 Editing USB Storage Log Settings .................................................................................... 370

30.3.4 Editing Remote Server Log Settings ............................................................................... 371

30.3.5 Log Category Settings ..................................................................................................... 373

Chapter 31

File Manager ................................................................................................................................... 377

31.1 Overview ..................................................................................................................................... 377

31.1.1 What You Can Do in this Chapter ................................................................................... 377

31.1.2 What you Need to Know .................................................................................................. 377

31.2 Configuration File ....................................................................................................................... 379

31.3 Firmware Package .................................................................................................................... 383

31.4 Shell Script ................................................................................................................................... 385

Chapter 32

Diagnostics...................................................................................................................................... 388

32.1 Overview ..................................................................................................................................... 388

32.1.1 What You Can Do in this Chapter ................................................................................... 388

32.2 Diagnostics ................................................................................................................................. 388

32.2.1 Diagnostics - AP Configuration ........................................................................................ 389

32.2.2 Diagnostics Files ................................................................................................................. 391

32.3 Packet Capture ......................................................................................................................... 392

32.3.1 Packet Capture Files ........................................................................................................ 395

32.3.2 Example of Viewing a Packet Capture File ................................................................... 396

32.4 Core Dump .................................................................................................................................. 396

32.4.1 Core Dump Files ................................................................................................................ 397

32.5 System Log ................................................................................................................................. 398

32.6 Wireless Frame Capture ............................................................................................................ 399

32.6.1 Wireless Frame Capture Files .......................................................................................... 401

Chapter 33

Packet Flow Explore ....................................................................................................................... 402

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33.1 Overview ..................................................................................................................................... 402

33.1.1 What You Can Do in this Chapter ................................................................................... 402

33.2 The Routing Status Screen ......................................................................................................... 402

33.3 The SNAT Status Screen .............................................................................................................. 405

Chapter 34

Reboot.............................................................................................................................................. 408

34.1 Overview ..................................................................................................................................... 408

34.1.1 What You Need To Know ................................................................................................. 408

34.2 Reboot ......................................................................................................................................... 408

Chapter 35

Shutdown......................................................................................................................................... 409

35.1 Overview ..................................................................................................................................... 409

35.1.1 What You Need To Know ................................................................................................. 409

35.2 Shutdown ..................................................................................................................................... 409

Chapter 36

Troubleshooting............................................................................................................................... 410

36.1 Overview ..................................................................................................................................... 410

36.1.1 General .............................................................................................................................. 410

36.1.2 Wireless ............................................................................................................................... 415

36.2 Resetting the NXC ...................................................................................................................... 417

36.3 Getting More Troubleshooting Help ......................................................................................... 418

Appendix A Log Descriptions......................................................................................................... 419

Appendix B Common Services...................................................................................................... 446

Appendix C Importing Certificates ............................................................................................... 449

Appendix D Wireless LANs .............................................................................................................. 462

Appendix E IPv6............................................................................................................................... 474

Appendix F Customer Support ...................................................................................................... 482

Appendix G Legal Information...................................................................................................... 488

Index................................................................................................................................................ 493

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

Link Aggregation Group (LAG) Support

No Yes

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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