Zyxel NXC5200 User Manual [ru]

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NXC5200

Wireless LAN Controller

Default Login Details

IP Address https://192.168.1.1 User Name admin Password 1234

Version 2.20 Edition 1, 05/2010

www.zyxel.com

About This User's Guide

Intended Audience

This manual is intended for people who want to want to configure the NXC using the Web Configurator.

Document Conventions

Warnings and Notes

These are how warnings and notes are shown in this User’s 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

• The product may be referred to as the “N XC”, the “device”, the “system” or the “product” in this User’s Guide.

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

Document Conventions

• A key stroke is denoted by square brackets and uppercase text, for example, [ENTER] means the “enter” or “ret urn” key on your keyboard.

• “Enter” means for you to type one or more characters and then press the [ENTER] key. “Select” or “choose” means for you to use one of the predefined choices.

• A right angle bracket ( > ) within a screen name denotes a mouse click. For example, Maintenance > Log > Log Setting means you first click

Maintenance in the navigation panel, then the Log sub menu and finally the Log Setting tab to get to that screen.

• Units of measurement may denote the “metric” value or the “scientific” value. For example, “k” for kilo may denote “1000” or “1024”, “M” for mega may denote “1000000” or “1048576” and so on.

• “e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other words”.

NXC5200 User’s Guide

Document Conventions

Icons Used in Figures

Figures in this User’s Guide may use the following generic icons. The NXC icon is not an exact representation of your device.

NXC Computer Notebook computer

Server Firewall Telephone

Switch Router

NXC5200 User’s Guide

Safety Warnings

• Do NOT use this product near water, for example, in a wet basement or near a swimming pool.

• Do NOT expose your device to dampness, dust or corrosive liquids.

• Do NOT store things on the device.

• Do NOT install, use, or service this device during a thunderstorm. There is a remote risk of electric shock from lightning.

• Connect ONLY suitable accessories to the device.

• Do NOT open the device or unit. Opening or removing covers can expose you to dangerous high voltage points or other risks. ONLY qualified service personnel should service or disassemble this device. Please contact your vendor for further information.

• Make sure to connect the cables to the correct ports.

• Place connecting cables carefully so that no one will step on them or stumble over them.

• Always disconnect all cables from this device before servicing or disassembling.

• Caution: This unit has more than one power supply cord. Disconnect two power supply cords before servicing to avoid electric shock. (has multiple power cords, e.g., chassisbased Ethernet switch. Make sure you specify the correct number of power cords in both the English and the French that follows)

• Attention: Cet appareil comporte plus d'un cordon d'alimentation. Afin de prévenir les chocs électriques, debrancher les deux cordons d'alimentation avant de faire le dépannage.

• Use ONLY an appropriate power adaptor or cord for your device. Connect it to the right supply voltage (for example, 110V AC in North America or 230V AC in Europe).

• Do NOT remove the plug and connect it to a power outlet by itself; always attach the plug to the power adaptor first before connecting it to a power outlet.

• Do NOT allow anything to rest on the power adaptor or cord and do NOT place the product where anyone can walk on the power adaptor or cord.

• Do NOT use the device if the power adaptor or cord is damaged as it might cause electrocution.

• If the power adaptor or cord is damaged, remove it from the device and the power source.

• Do NOT attempt to repair the power adaptor or cord. Contact your local vendor to order a new one.

• Do not use the device outside, and make sure all the connections are indoors. There is a remote risk of electric shock from lightning.

• CAUTION: RISK OF EXPLOSION IF BATTERY (on the motherboard) IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. Dispose them at the applicable collection point for the recycling of electrical and electronic equipment. For detailed information about recycling of this product, please contact your local city office, your household waste disposal service or the store where you purchased the product.

• Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your device.

Safety Warnings

Your product is marked with this symbol, which is known as the WEEE mark. WEEE stands for Waste Electronics and Electrical Equipment. It means that used electrical and electronic products should not be mixed with general waste. Used electrical and electronic equipment should be treated separately.

NXC5200 User’s Guide

Table of Contents

About This User's Guide..........................................................................................................3

Document Conventions............................................................................................................6

Safety Warnings ........................................................................................................................8

Table of Contents......................................................................................................................9

Part I: User’s Guide................................................................................ 23

Chapter 1

Introduction.............................................................................................................................25

1.1 Overview ............. ............................................. ... .... ... ... ... .... ................................................ 25

1.2 Rack-mounted Installation ................................................................................................... 25

1.2.1 Rack-Mounted Installation Procedure ........................................................................ 26

1.2.2 LAN Module Installation Procedure ............................................................................ 27

1.3 Front and Back Panels .......... .... ... ... ................................................ .... ... ... .......................... 29

1.3.1 1000Base-T Ports ...................................................................................................... 29

1.3.2 Optional Fiber Ports ................................................................................................... 30

1.3.3 Front Panel LEDs .......................................... ............................................................. 31

1.4 Management Overview .......... .... ... ... ................................................ .... ... .............................31

1.5 Starting and Stopping the NXC ..... ... ... ... .... ... ... ... .... ... ... ... ................................................. ... 32

Chapter 2

Features and Applications.....................................................................................................35

2.1 Features ............................................. ... .... ... ............................................. ... .... ... ... .............35

2.2 Applications .................................................. ... ... .... ... ... ... .... ................................................ 37

2.2.1 AP Management .................................................... .... ... ... ... ... .... ... ... .......................... 37

2.2.2 Wireless Security ................................................... .... ... ... ... ... .... ................................ 37

2.2.3 Captive Portal ................... ............................................. ... ... ... .... ... ... ... ....................... 38

2.2.4 Load Balancing ................................................... ... ............................................. .... ... 38

2.2.5 Dynamic Channel Selection ...... ... .... ... ... ... .... ... ... ... .... ... ... ... ....................................... 38

2.2.6 User-Aware Access Control ....................................................................................... 39

2.2.7 Device HA .................... .... ............................................. ... ... ... .... ... ... ... ....................... 39

Chapter 3

The Web Configurator............................................................................................................41

3.1 Overview ............. ............................................. ... .... ... ... ... .... ................................................ 41

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3.2 Access ................................................................................. ... ... ... ....................................... 41

3.3 The Main Screen ................................................................................................................. 43

3.3.1 Title Bar .................................. ... ............................................. .... ... ... .......................... 44

3.3.2 Navigation Panel .......... .... ... ... ... ................................................................................. 44

3.3.3 Warning Messages ..................................................................................................... 49

3.3.4 Site Map .......... .... ... ... ... .... ............................................. ... ... ... .... ... ... ... ....................... 50

3.3.5 Object Reference ............. ... ... ............................................. ... .... ... ... ... .... ... ................ 50

3.3.6 Tables and Lists ..... ... ... .... ... ... ... ... .............................................. ... ... ... .... ... ... .............55

Chapter 4

Configuration Basics..............................................................................................................59

4.1 Overview ............. ............................................. ... .... ... ... ... .... ................................................ 59

4.2 Object-based Configuration .......................................................................... .... ... ... .............59

4.3 Zones, Interfaces, and Physical Ports ................................................................................. 60

4.3.1 Interface Types .................................................... ... .... ... ... ... ... .... ... ... .......................... 60

4.3.2 Example Interface and Zone Configuration ............................ .... ... ... ... .... ... ... ... ... .... ... 61

4.4 Feature Configuration Overview .......................................................................................... 62

4.4.1 Feature ...................................... ... .... ... ... ... .... ... ............................................. ... ... ....... 62

4.4.2 Licensing Registration ............................ ... .... ... ... ... .... ... ... .......................................... 62

4.4.3 Licensing Update ................................................... .... ... ... ... ... .... ... ... ... ....................... 63

4.4.4 Wireless .................................................... .... ... ... ............................................. ... ....... 63

4.4.5 Interface .................... ... .............................................. ... ... ... ... .... ... ... .......................... 63

4.4.6 Policy Routes ................... ............................................. ... ... ... .... ... ... ... ....................... 63

4.4.7 Static Routes .................................... ... ... ... .............................................. ... ... ... ... ....... 64

4.4.8 Zones ............................................................ ... ... ... ............................................. ....... 64

4.4.9 NAT .............................................. .... ... ............................................. ... ....................... 64

4.4.10 ALG .......................................................................................................................... 64

4.4.11 Captive Portal ...........................................................................................................65

4.4.12 Firewall ..................................................................................................................... 65

4.4.13 Application Patrol ..................................................................................................... 65

4.4.14 Anti-Virus .................................................................................................................. 65

4.4.15 IDP ........................................................................................................................... 66

4.4.16 ADP .......................................................................................................................... 66

4.4.17 Device HA ................................................................................................................ 66

4.5 Objects ............................................ ... ... .... ............................................. ... ... .... ... ................66

4.5.1 User/Group ....................... ... ... ............................................. ... .... ... ... ... .... ................... 67

4.5.2 AP Profile .................. ... .............................................. ... ... ... ... .... ... ... .......................... 67

4.5.3 MON Profile ...................... ... ... ............................................. ... .... ... ... ... .... ................... 68

4.6 System ............. ............................................. ... ... .... ............................................. ................68

4.6.1 DNS, WWW, SSH, TELNET, FTP, and SNMP ........................................................... 68

4.6.2 Logs and Reports ....................................................................................................... 68

4.6.3 File Manager ....................... ... ... ... .............................................................................. 69

4.6.4 Diagnostics ................ ... .... ... ... ... ... .............................................. ... ... ... .... ................... 69

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4.6.5 Shutdown .................. ... .............................................. ... ... ... ... .... ... ... .......................... 69

Chapter 5

Tutorials..................................................................................................................................71

5.1 Overview ............. ............................................. ... .... ... ... ... .... ................................................ 71

5.2 Sample Network Setup ....................... ... .... ... ... ... .... ... ... .......................................................72

5.2.1 Tutorial Tasks ...... ... ... ... .... ... ............................................. ... ... .... ... ... ... .... ................... 73

5.2.2 Set the Management VLAN (vlan99) ......................................................................... 74

5.2.3 Set the Other VLANs (vlan101, vlan102) ................................................................... 75

5.2.4 Configure the AAA Object .......................................................................................... 77

5.2.5 Configure the Auth. Method Objects (staff, guest) ..................................................... 79

5.2.6 Create the AP Profiles (staff, guest) ........................................................................... 80

5.2.7 Create the Guest User Account ................................................................................. 83

5.2.8 Configure the Captive Portal Settings ........................................................................ 84

5.2.9 Configure the Guest Firewall Rules ........................................................... ... ... ... .... ... 85

5.3 Blocking Network Protocols ................... .... ... ... ... .... .............................................................87

5.3.1 Configuring the WLAN Zone ............... ... ... .... ... ... ... .... ... ... ... ... .... ................................ 87

5.3.2 Configuring the Firewall ................................................ ... ... ... .... ... ... .......................... 88

5.3.3 Blocking Sub-Protocols ................................. ... ... ... .... ............................................. ... 90

5.4 Rogue AP Detection ..................................... ... ... .... ... ... ... .................................................... 92

5.4.1 Rogue AP Containment ............................................................................................. 96

5.5 Load Balancing .......................... ... ... ... ............................................. .... ... ... ... .... ................... 97

5.6 Dynamic Channel Selection ................................................................................................ 98

Part II: Technical Reference................................................................ 101

Chapter 6

Dashboard..........................................................................................................................103

6.1 Overview ............. ............................................. ... .... ... ... ... .... .............................................. 103

6.1.1 What Yo u Can Do in this Chapter ............................................................................ 103

6.2 Dashboard ....................................... ... ... .............................................. ... ... ... .... ... ... ...........104

6.2.1 CPU Usage .................. .... ............................................. ... ... ... .... ... ... ... ..................... 109

6.2.2 Memory Usage .................................... ... ... .... ... ... ... .... ...............................................110

6.2.3 Session Usage .... ............................................. ... ... .... ... ... ... ......................................111

6.2.4 DHCP Table .... .... ... ... ... .............................................. ... ... ... ... .... ... ............................112

6.2.5 Number of Login Users .................... ... ... ................................................. ... ... ... .........113

Chapter 7

Monitor...............................................................................................................................115

7.1 Overview ............. ............................................. ... .... ... ... ... .... ...............................................115

7.1.1 What Yo u Can Do in this Chapter .............................................................................115

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7.2 What You Need to Know ..................................... .... ... ... ... .... ... ............................................116

7.3 Port Statistics ........ ... .... ... ... ............................................. .... ... ... .........................................117

7.3.1 Port Statistics Graph ................................................................................................118

7.4 Interface Status ................................................ ... .... ... ............................................. ............119

7.5 Traffic Statistics ...................... .... ............................................. ... ... ... .... .............................. 121

7.6 Session Monitor ........................... ... ... ... .... ... ... ... ...............................................................124

7.7 IP/MAC Binding Monitor ....................................................................................................127

7.8 Login Users ........................................................................................ ... ... ... .... ... ... ...........128

7.9 AP List ............... ... ............................................. .... ... ... ... .... ... ........................................... 129

7.9.1 Station Count of AP ................................................................................................ 130

7.10 Radio List ........................................................................................................................ 131

7.10.1 AP Mode Radio Information ........................................ ........................................... 132

7.1 1 Station List ...................................................................................................................... 133

7.12 Detected Device .............................................................................................................134

7.13 Application Patrol ............................................................................................................135

7.13.1 Application Patrol: General Settings ...................................................................... 135

7.13.2 Application Patrol: Bandwidth Statistics ................................................................. 136

7.13.3 Application Patrol: Protocol Statistics ......................................................... ........... 137

7.13.4 Application Patrol: Protocol Statistics by Rule ....................................................... 138

7.14 Anti-Virus ......................................................................................................................... 139

7.15 IDP .................................................................................................................................. 141

7.16 View Log ..........................................................................................................................143

7.17 View AP Log ................................................................................................................... 146

Chapter 8

Registration...........................................................................................................................151

8.1 Overview ............. ............................................. ... .... ... ... ... .... .............................................. 151

8.1.1 What Yo u Can Do in this Chapter ............................................................................ 151

8.1.2 What you Need to Know ............................................................... ... ... ..................... 151

8.2 Registration ........................................ ... .... ... ............................................. ... .... ... ... ...........153

8.3 Service ................ ... ............................................. .... ... ... ... .... ... ........................................... 155

Chapter 9

Signature Update..................................................................................................................157

9.1 Overview ............. ............................................. ... .... ... ... ... .... .............................................. 157

9.1.1 What Yo u Can Do in this Chapter ............................................................................ 157

9.1.2 What you Need to Know ............................................................... ... ... ..................... 157

9.2 Anti-Virus ............................... .... ... ............................................. ... ... .... ... ........................... 158

9.3 IDP/AppPatrol ........................ .... ... ... ... ... .... ... ... ... ...............................................................159

9.4 System Protect ................................................................................................................. 161

Chapter 10

Wireless.................................................................................................................................163

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10.1 Overview .......................................................................................................................... 163

10.1.1 What You Can Do in this Chapter .......................................................................... 163

10.1.2 What You Need to Know ........................................................................................ 163

10.2 Controller ........................................................................................................................ 164

10.3 AP Management .............................................................................................................. 165

10.3.1 Edit AP List ............................................................................................................ 166

10.4 MON Mode ...................................................................................................................... 167

10.4.1 Add/Edit Rogue/Friendly List .................................................................................. 169

10.5 Load Balancing ................................................................................................................ 170

10.5.1 Disassociating and Delaying Connections ........................... ..................................171

10.6 DCS ................................................................................................................................173

10.7 Technical Reference ........................................................................................................174

10.7.1 Dynamic Channel Selection ........................... ........................................................ 174

10.7.2 Load Balancing ......................................................................................................176

Chapter 11

Interfaces...............................................................................................................................177

11.1 Interface Overview ........................................................................................................... 177

11.1.1 What You Can Do in this Chapter ................................... ........................................ 177

11.1.2 What You Need to Know ........................................................................................ 177

11.2 Ethernet Summary ..........................................................................................................178

11.2.1 Edit Ethernet ..........................................................................................................180

11.2.2 Object References .................................................................................................. 185

11.3 VLAN Interfaces .............................................................................................................. 186

11.3.1 VLAN Summary ...................................................................................................... 188

11.3.2 Add/Edit VLAN ...................................................................................................... 189

11.4 Technical Reference ........................................................................................................193

Chapter 12

Policy and Static Routes......................................................................................................197

12.1 Overview .......................................................................................................................... 197

12.1.1 What You Can Do in this Chapter .......................................................................... 197

12.1.2 What You Need to Know ....................................................................................... 197

12.2 Policy Route ................................................................................................................... 199

12.2.1 Add/Edit Policy Route ............................................................................................202

12.3 Static Route ....................................................................................................................206

12.3.1 Static Route Setting ................................................................................................ 207

12.4 Technical Reference ........................................................................................................208

Chapter 13

Zones ....................................................................................................................................213

13.1 Overview .......................................................................................................................... 213

13.1.1 What You Can Do in this Chapter .......................................................................... 214

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13.1.2 What You Need to Know ........................................................................................ 214

13.2 Zone ................................................................................................................................ 215

13.3 Add/Edit Zone ................................................................................................................. 216

Chapter 14

NAT.........................................................................................................................................217

14.1 Overview .......................................................................................................................... 217

14.1.1 What You Can Do in this Chapter .......................................................................... 217

14.2 NAT Summary .................................................................................................................218

14.2.1 Add/Edit NAT .......................................................................................................... 219

14.3 Technical Reference ........................................................................................................222

Chapter 15

ALG .......................................................................................................................................225

15.1 Overview .......................................................................................................................... 225

15.1.1 What You Can Do in this Chapter .......................................................................... 225

15.1.2 What You Need to Know ........................................................................................ 226

15.1.3 Before You Begin ...................................................................................................227

15.2 ALG ................................................................................................................................ 228

15.3 Technical Reference ........................................................................................................230

Chapter 16

IP/MAC Binding....................................................................................................................233

16.1 Overview .......................................................................................................................... 233

16.1.1 What You Can Do in this Chapter .......................................................................... 233

16.1.2 What You Need to Know ........................................................................................ 234

16.2 IP/MAC Binding Summary ............................................................................................... 234

16.2.1 Edit IP/MAC Binding .......................................... .......... ............. ............. ............ ..... 235

16.2.2 Add/Edit Static DHCP Rule .................................................................................... 237

16.3 IP/MAC Binding Exempt List ........................................................................................... 238

Chapter 17

Captive Portal.......................................................................................................................239

17.1 Overview .......................................................................................................................... 239

17.1.1 What You Can Do in this Chapter .......................................................................... 240

17.2 Captive Portal .................................................................................................................. 240

17.2.1 Add Exceptional Services ...................................................................................... 242

17.2.2 Auth. Policy Add/Edit ...................... ......... .......... ....... ......... .......... .......... ......... ........ 243

17.3 Login Page ...................................................................................................................... 245

Chapter 18

Firewall.............................................................................................................................249

18.1 Overview .......................................................................................................................... 249

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18.1.1 What You Can Do in this Chapter .......................................................................... 249

18.1.2 What You Need to Know ........................................................................................ 250

18.1.3 Firewall Rule Example Applications ....................................................................... 252

18.1.4 Firewall Rule Configuration Example ..................................................................... 255

18.1.5 Asymmetrical Routes ............................................................................................. 256

18.2 Firewall ............................................................................................................................ 257

18.2.1 Add/Edit Firewall Screen ........................................................................................ 260

18.3 Session Limit ................................................................................................................... 262

18.3.1 Add/Edit Session Limit ........................................................................................... 263

Chapter 19

Application Patrol...............................................................................................................265

19.1 Overview .......................................................................................................................... 265

19.1.1 What You Can Do in this Chapter .......................................................................... 265

19.1.2 What You Need to Know .......................................................................................266

19.1.3 Application Patrol Bandwidth Management Examples ........................................... 271

19.2 Application Patrol Common Applications .............................. ...................... ..................... 275

19.2.1 Edit Application ...................................................................................................... 276

19.2.2 Add/Edit Policy ......................................................................................................279

19.3 Other Applications ........................................................................................................... 281

19.3.1 Add/Edit Policy ....................................................................................................... 284

Chapter 20

Anti-Virus..............................................................................................................................287

20.1 Overview .......................................................................................................................... 287

20.1.1 What You Can Do in this Chapter .......................................................................... 287

20.1.2 What You Need to Know ........................................................................................ 288

20.1.3 Before You Begin ...................................................................................................289

20.2 Anti-Virus Summary .........................................................................................................290

20.2.1 Add/Edit Rule ......................................................................................................... 293

20.3 Black List ......................................................................................................................... 295

20.4 Add/Edit Pattern .............................................................................................................. 296

20.5 White List ......................................................................................................................... 298

20.6 Signature ......................................................................................................................... 299

20.7 Technical Reference ........................................................................................................301

Chapter 21

IDP.......................................................................................................................................303

21.1 Overview .......................................................................................................................... 303

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

21.1.2 What You Need To Know ....................................................................................... 303

21.1.3 Before You Begin ...................................................................................................304

21.2 IDP Summary .................................................................................................................. 304

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21.3 Profile Summary .............................................................................................................. 307

21.3.1 Base Profiles ..........................................................................................................308

21.4 Creating New Profiles ...................................................................................................... 309

21.5 Add/Edit Profile ................................................................................................................311

21.5.1 Policy Types ........................................................................................................... 314

21.5.2 IDP Service Groups ...............................................................................................316

21.5.3 Query View Screen ................................................................................................ 317

21.5.4 Query Example ...................................................................................................... 319

21.6 Custom IDP Signatures .................................................................................................. 320

21.6.1 IP Packet Header ...................................................................................................320

21.7 Custom Signatures .......................................................................................................... 321

21.7.1 Add/Edit Custom Signature ................................................................................... 323

21.7.2 Custom Signature Example ........................................... ... ..................................... 329

21.7.3 Applying Custom Signatures ..................................................................................331

21.7.4 Verifying Custom Signatures .................................................................................. 332

21.8 Technical Reference ........................................................................................................333

Chapter 22

ADP ......................................................................................................................................337

22.1 Overview .......................................................................................................................... 337

22.1.1 What You Can Do in this Chapter ......................................................................... 337

22.1.2 What You Need To Know ....................................................................................... 337

22.1.3 Before You Begin ...................................................................................................338

22.2 ADP Summary ................................................................................................................. 339

22.3 Profile Summary .............................................................................................................. 340

22.3.1 Base Profiles ..........................................................................................................341

22.3.2 Creating New ADP Profiles ............................ ........................................................ 342

22.3.3 Traffic Anomaly Profiles ........................................................................................ 342

22.3.4 Protocol Anomaly Profiles ................................... .... ... ... ... ..................................... 345

22.3.5 Protocol Anomaly Configuration ............................................................................. 345

22.4 Technical Reference ........................................................................................................349

Chapter 23

Device HA.............................................................................................................................357

23.1 Overview .......................................................................................................................... 357

23.1.1 What You Can Do in this Chapter .......................................................................... 357

23.1.2 What You Need to Know ........................................................................................ 358

23.1.3 Before You Begin ...................................................................................................358

23.2 Device HA General ..........................................................................................................359

23.3 Active-Passive Mode .......................................................................................................361

23.3.1 Edit Monitored Interface ................. ........................................................................ 364

23.4 Technical Reference ........................................................................................................366

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Chapter 24

User/Group..........................................................................................................................373

24.1 Overview .......................................................................................................................... 373

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

24.1.2 What You Need To Know ....................................................................................... 373

24.2 User Summary .................................................................................................................376

24.2.1 Add/Edit User ......................................................................................................... 376

24.3 Group Summary ..............................................................................................................379

24.3.1 Add/Edit Group ...................................................................................................... 380

24.4 Setting ............................................................................................................................ 381

24.4.1 Edit User Authentication Timeout Settings ........................................ ..................... 384

24.4.2 User Aware Login Example ............... ... ... .... ... ........................................................ 386

Chapter 25

AP Profile............................................................................................................................387

25.1 Overview .......................................................................................................................... 387

25.1.1 What You Can Do in this Chapter .......................................................................... 387

25.1.2 What You Need To Know ....................................................................................... 387

25.2 Radio ............................................................................................................................... 388

25.2.1 Add/Edit Radio Profile ............................................................................................389

25.3 SSID ............................................................................................................................... 392

25.3.1 SSID List ................................................................................................................392

25.3.2 Security List ............................................................................................................ 396

25.3.3 MAC Filter List ........................................................................................................ 399

Chapter 26

MON Profile ........................................................................................................................401

26.1 Overview .......................................................................................................................... 401

26.1.1 What You Can Do in this Chapter .......................................................................... 401

26.1.2 What You Need To Know ....................................................................................... 401

26.2 MON Profile ..................................................................................................................... 402

26.2.1 Add/Edit MON Profile ............................................................................................. 403

26.3 Technical Reference ........................................................................................................404

Chapter 27

Addresses...........................................................................................................................407

27.1 Overview .......................................................................................................................... 407

27.1.1 What You Can Do in this Chapter .......................................................................... 407

27.1.2 What You Need To Know ....................................................................................... 407

27.2 Address Summary ...........................................................................................................407

27.2.1 Add/Edit Address ..................................................................................................409

27.3 Address Group Summary ................................................................................................ 410

27.3.1 Add/Edit Address Group Rule .......... ... ... .... ... ... ... .... ............................................. ..411

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Chapter 28

Services............................................................................................................................413

28.1 Overview .......................................................................................................................... 413

28.1.1 What You Can Do in this Chapter .......................................................................... 413

28.1.2 What You Need to Know ........................................................................................ 413

28.2 Service Summary ............................................................................................................415

28.2.1 Add/Edit Service Rule ........................................................................................... 416

28.3 Service Group Summary ................................................................................................ 417

28.3.1 Add/Edit Service Group Rule ................................................................................ 418

Chapter 29

Schedules..........................................................................................................................419

29.1 Overview .......................................................................................................................... 419

29.1.1 What You Can Do in this Chapter .......................................................................... 419

29.1.2 What You Need to Know ........................................................................................ 419

29.2 Schedule Summary ......................................................................................................... 420

29.2.1 Add/Edit Schedule One-Time Rule .................. ... .... ............................................. . 421

29.2.2 Add/Edit Schedule Recurring Rule ........................................................................ 422

Chapter 30

AAA Server.........................................................................................................................425

30.1 Overview .......................................................................................................................... 425

30.1.1 What You Can Do in this Chapter .......................................................................... 425

30.1.2 What You Need To Know ....................................................................................... 425

30.2 Active Directory / LDAP ...................................................................................................429

30.2.1 Add/Edit Active Directory / LDAP Server ............................................................... 430

30.3 RADIUS ........................................................................................................................... 433

30.3.1 Add/Edit RADIUS .................................................................................................. 434

Chapter 31

Authentication Method......................................................................................................437

31.1 Overview .......................................................................................................................... 437

31.1.1 What You Can Do in this Chapter .......................................................................... 437

31.1.2 Before You Begin ...................................................................................................437

31.2 Authentication Method .....................................................................................................437

31.2.1 Add Authentication Method ...................................... .............................................. 438

Chapter 32

Certificates .........................................................................................................................441

32.1 Overview .......................................................................................................................... 441

32.1.1 What You Can Do in this Chapter .......................................................................... 441

32.1.2 What You Need to Know ........................................................................................ 441

32.1.3 Verifying a Certificate .............................................................................................443

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32.2 My Certificates ................................................................................................................ 445

32.2.1 Add My Certificates ................................................................................................447

32.2.2 Edit My Certificates ................................................................................................ 451

32.2.3 Import Certificates ................................................................................................. 454

32.3 Trusted Certificates .......................................................................................................... 455

32.3.1 Edit Trusted Certificates .............................. ........................................................... 457

32.3.2 Import Trusted Certificates ............................. ... ... .... ... ........................................... 460

32.4 Technical Reference ........................................................................................................461

Chapter 33

System..................................................................................................................................463

33.1 Overview .......................................................................................................................... 463

33.1.1 What You Can Do in this Chapter .......................................................................... 463

33.2 Host Name ....................................................................................................................... 464

33.3 Date and Time ................................................................................................................ 464

33.3.1 Pre-defined NTP Time Servers List ............................................. ... ... .... ... ... ... ... .... . 467

33.3.2 Time Server Synchronization ................................................................................. 468

33.4 Console Speed ................................................................................................................ 469

33.5 DNS Overview ................................................................................................................. 469

33.5.1 DNS Server Address Assignment .......................................................................... 469

33.5.2 Configuring the DNS Screen ................................ .......................................... ........ 470

33.5.3 Address Record .................................................................................................... 472

33.5.4 PTR Record ........................................................................................................... 473

33.5.5 Adding an Address/PTR Record ............................................................................ 473

33.5.6 Domain Zone Forwarder ............... ............................................. ... ... .... ................. 474

33.5.7 Add Domain Zone Forwarder ................................................................................. 474

33.5.8 MX Record ............................................................................................................475

33.5.9 Add MX Record ...................................................................................................... 476

33.5.10 Add Service Control ............................................................................................. 476

33.6 WWW Overview ..............................................................................................................477

33.6.1 Service Access Limitations .................................................................................... 477

33.6.2 System Timeout ..................................................................................................... 478

33.6.3 HTTPS ...................................................................................................................478

33.6.4 Configuring WWW Service Control ........................................................................ 479

33.6.5 Service Control Rules ............................................................................................ 483

33.6.6 HTTPS Example ....................................................................................................483

33.7 SSH .............................................................................................................................. 490

33.7.1 How SSH Works ......................................................... ... ... ... .... ... ... ........................ 491

33.7.2 SSH Implementation on the NXC ........................................................................... 492

33.7.3 Requirements for Using SSH ................................................................................. 492

33.7.4 Configuring SSH ....................................................................................................493

33.7.5 Examples of Secure Telnet Using SSH .................................................................. 494

33.8 Telnet .............................................................................................................................. 496

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33.9 FTP ................................................................................................................................. 497

33.10 SNMP ........................................................................................................................... 500

33.10.1 Supported MIBs ................................................................................................... 501

33.10.2 SNMP Traps ......................................................................................................... 501

33.10.3 Configuring SNMP ............................................................................................... 502

33.11 Language .......................... .... ... ..................................................................................... 503

Chapter 34

Log and Report ....................................................................................................................505

34.1 Overview .......................................................................................................................... 505

34.1.1 What You Can Do In this Chapter .......................................................................... 505

34.2 Email Daily Report ........................................................................................................... 505

34.3 Log Setting ..................................................................................................................... 507

34.3.1 Log Setting Summary ............................................................................................. 508

34.3.2 Edit Log Settings ...................................................................................................510

34.3.3 Edit Remote Server ............................................................................................... 514

34.3.4 Active Log Summary ............................................................................................. 516

Chapter 35

File Manager........................................................................................................................519

35.1 Overview .......................................................................................................................... 519

35.1.1 What You Can Do in this Chapter .......................................................................... 519

35.1.2 What you Need to Know ........................................................................................ 519

35.2 Configuration File ............................................................................................................ 522

35.3 Firmware Package ..........................................................................................................525

35.4 Shell Script ..................................................................................................................... 527

Chapter 36

Diagnostics..........................................................................................................................531

36.1 Overview .......................................................................................................................... 531

36.1.1 What You Can Do in this Chapter .......................................................................... 531

36.2 Diagnostics ..................................................................................................................... 531

36.3 Packet Capture ...............................................................................................................532

36.3.1 Packet Capture Files .................................. ... ............................................. ... ... .... . 534

36.3.2 Example of Viewing a Packet Capture File .............................. ... ... ... .... ... ... ... ... .....535

36.4 Wireless Frame Capture .. ... .............................................. ... ... ... ... .................................. 536

36.4.1 Wireless Frame Capture Files ............................................................................... 538

Chapter 37

Reboot....................................................................................................................................539

37.1 Overview .......................................................................................................................... 539

37.1.1 What You Need To Know ....................................................................................... 539

37.2 Reboot .............................................................................................................................539

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Table of Contents

Chapter 38

Shutdown........................................................................................................................541

38.1 Overview .......................................................................................................................... 541

38.1.1 What You Need To Know ....................................................................................... 541

38.2 Shutdown .........................................................................................................................541

Chapter 39

Troubleshooting....................................................................................................................543

39.1 Overview .......................................................................................................................... 543

39.1.1 General ..................................................................................................................543

39.1.2 Wireless .................................................................................................................555

39.2 Resetting the NXC ........................................................................................................... 557

39.3 Getting More Troubleshooting Help ................................................................................. 557

Chapter 40

Product Specifications.........................................................................................................559

Appendix A Log Descriptions...............................................................................................565

Appendix B Common Services.............................................................................................613

Appendix C Displaying Anti-Virus Alert Messages in Windows............................................617

Appendix D Importing Certificates........................................................................................619

Appendix E Wireless LANs ..................................................................................................633

Appendix F Open Software Announcements.......................................................................647

Appendix G Legal Information..............................................................................................699

Index.......................................................................................................................................703

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Table of Contents

NXC5200 User’s Guide

PART I

User’s Guide

CHAPTER 1

Introduction

1.1 Overview

The NXC is a comprehensive wireless L AN controller. Its flexible con figuration 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, anti-virus, Intrusion Detection and Prevention (IDP), Anomaly Detection and Protection (ADP), and certificates. It also provides bandwidth management, captive portal configuration, NAT, port forwarding, policy routing, DHCP server , extensi ve 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 Rack-mounted Installation

Note: ZyXEL provides a sliding rail accessory for your use with your device. Please

contact your local vendor for details.

The NXC can be mounted on an EIA standard si ze, 19-inch rack or in a wiring closet with other equipment. Follow the steps below to mount your NXC on a standard EIA rack using a rack-mounting kit. Make sure the rack will safely support the combined weight of all the equipment it contains and that the position of the NXC does not make the rack unstable or top-heavy. Take all necessary precautions to anchor the rack securely before installing the unit.

Note: Leave 10 cm of clearance at the sides and 20 cm in the rear.

NXC5200 User’s Guide

Chapter 1 Introduction

Use a #2 Phillips screwdriver to install the screws.

Note: Failure to use the proper screws may damage the unit.

1.2.1 Rack-Mounted Installation Procedure

1 Align one bracket with the holes on one side of the NXC and secure it with the

included bracket screws (smaller than the rack-mounting screws).

2 Attach the other bracket in a similar fashion.

3 After attaching both mounting brackets, position the NXC in the rack by lining up

the holes in the brackets with the appropriate holes on the rack. Secure the NXC to the rack with the rack-mounting screws.

NXC5200 User’s Guide

1.2.2 LAN Module Installation Procedure

1 Turn the NXC over so that its bottom side faces up, then remove the LAN module

screw.

Chapter 1 Introduction

2 Slide the empty LAN Module tray out of the NXC chassis.

NXC5200 User’s Guide

Chapter 1 Introduction

3 Slide the LAN Module into the empty module bay, gently but firmly pressing it into

the NXC’s logic board until you feel it snap into place.

4 Secure the newly installed LAN Module with the screw you removed in step 1.

NXC5200 User’s Guide

1.3 Front and Back Panels

This section gives you an overview of the front and back panels. There are three possible front panel conf igurations, depending on how the expansion bay is used. The back panel remains static across all configurations.

In configuration 1, the expansion bay is empty.

Figure 1 NXC Front Panel - Configuration 1

In configuration 2, the expansion bay utilizes an Ethernet module which provides an additional 4 Ethernet ports.

Figure 2 NXC Front Panel - Configuration 2

Chapter 1 Introduction

In configuration 3, the expansion bay utilizes a Fiber port modules, which provides fiber optic connectivity. This allows you to expand management of your APs to distances greater than allowed by pure Ethernet connections.

Figure 3 NXC Front Panel - Configuration 3

Here is the back panel for all configurations.

Figure 4 NXC Back panel - All Configurations

1.3.1 1000Base-T Ports

The 1000Base-T auto-negotiating, auto-crossover Ethernet ports support 100/ 1000 Mbps Gigabit Ethernet so the speed can be 100 Mbps or 1000 Mbps. The duplex mode can be both half or full duplex at 100 Mbps and full duplex only at 1000 Mbps. An auto-negotiating port can detect and adjust to the optimum Ethernet speed (100/1000 Mbps) and duplex mode (full duplex or half duplex) of the connected device.

NXC5200 User’s Guide

Chapter 1 Introduction

An auto-crossover (auto-MDI/MDI-X) port automatically works with a straightthrough or crossover Ethernet cable.

Default Ethernet Settings

The factory default negotiation settings f or the Ethernet ports on the NXC are:

• Speed: Auto

•Duplex: Auto

• Flow control: On (you cannot configure the flow control setting, but the NXC can negotiate with the peer and turn it off if needed)

1.3.2 Optional Fiber Ports

Fiber connectivity requires a few additional considerations when you deploy the NXC with that in mind.

Figure 5 Fiber Connection Example

PoE

NXC

First, you must have a fiber-based Core Switch (CS) upstream of the NXC. It connects to one of the available fiber ports in the Fiber port module loaded into the NXC’s expansion bay. Next, an additional fiber connection is established between the NXC and a downstream fiber-based Power over Ethernet ( PoE) capable of converting Fiber-to-Ethernet data packets (s uch as the ZyXEL MC1000SFP-FP). Finally, you connect your AP to the edge switch using an Ethernet cable.

NXC5200 User’s Guide

1.3.3 Front Panel LEDs

This section describes the front panel LEDs.

Figure 6 NXC Front Panel - Configuration 3

Chapter 1 Introduction

Ethernet Link Link

The following table describes the LEDs.

Status

Fiber 5 / 6

Fiber 7 / 8

Link

Table 1 Front Panel LEDs

LED COLOR STATUS DESCRIPTION

POWER Off The power module is turned off , not receiving power,

or not functioning.

Green On The power module is operating.

STATUS Off The NXC is turned off.

Green On The NXC is ready and operating normally.

Flashing The NXC is self-testing.

Ethernet Link Amber On The port has a connected RJ-45 cable.

Flashing The port is sending and receiving data.

Ethernet Status

Fiber Link Amber On The port has a connected fiber cable.

Green On The port is functioning at 10/100M speed. Amber On The port is functioning at 1000M speed.

1.4 Management Overview

You can use the following ways to manage the NXC.

Web Configurator

The Web Configurator allows easy NXC setup and management using an Internet browser. This User’s Guide provides information about the Web Config urator.

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Chapter 1 Introduction

Command-Line Interface (CLI)

The CLI allows you to use text-based commands to configure the NXC. You can access it using remote management (for example, SSH or Telnet) or via the console port. See the Command Reference Guide for more information.

Console Port

You can use the console port to manage the NXC using CLI commands. See the Command Reference Guide for more information about the CLI.

The default settings for the console port are as follows.

Table 2 Console Port Default Settings

SETTING VALUE

Speed 115200 bps Data Bits 8 Parity None Stop Bit 1 Flow Control Off

1.5 Starting and Stopping the NXC

Here are some of the ways to start and stop the NXC.

Always use Maintenance > Shutdown or the shutdown command before you turn off the NXC or remove the power. Not doing so can cause the firmware to become corrupt.

Table 3 Starting and Stopping the NXC

METHOD DESCRIPTION

Turning on the power

Rebooting the NXC A warm start (without powering down and powering up again)

Using the RESET button

A cold start occurs when you turn on the power to the NXC. The NXC powers up, checks the hardware, and starts the system processes.

occurs when you use the Reboot button in the Reboot screen or when you use the reboot command. The NXC writes all cached data to the local storage, stops the system processes, and then does a warm start.

If you press the RESET button, the NXC sets the configuration to its default values and then reboots.

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Chapter 1 Introduction

Table 3 Starting and Stopping the NXC

METHOD DESCRIPTION

Clicking

Maintenance > Shutdown > Shutdown or

using the shutdown command

Disconnecting the power

The NXC does not stop or start the system processes when you apply configuration files or run shell scripts although you may temporarily lose access to network resources.

Clicking Maintenance > Shutdown > Shutdown or using the shutdown command writes all cached data to the local storage and stops the system processes. Wait for the device to shut down and then manually turn off or remove the power. It does not turn off the power.

Power off occurs when you turn off the power to the NXC. The NXC simply turns off. It does not stop the system processes or write cached data to local storage.

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Chapter 1 Introduction

NXC5200 User’s Guide

CHAPTER 2

Features and Applications

This chapter introduces the main features and applications of the NXC.

2.1 Features

The NXC is a wireless LAN controller. It has security features that include firewall, anti-virus, Intrusion Detection and Prev ention (IDP), Anomaly Detection and Protection (ADP), and certificates. It also provides bandwidth management, NAT, port forwarding, captive portal configuration, policy routing, DHCP server, wireless AP control options, and many other powerful features.

Data Forwarding

The NXC allows you to seamlessly manage the Access Points (APs) on your network by having all configurable data tunneled to it or bridged to the local network based on SSID settings.

AP Monitoring

You can assign a number of APs to act as wireless monitors, which can detect rogue APs and help you in building a list of friendly ones. This gives you a security advantage when setting up your network to prevent intrusions.

Managed APs

The NXC is initially configured to support up to 48 managed APs (such as the NWA5160N). You can increase this by subscribing to additional licenses. As of this writing, each license upgrade allows an additio nal 48 managed APs while the maximum number of APs a single NXC can support is 240.

Flexible Security Zones

Many security settings are applied by zone, not by interface, port, or network. As a result, it is much simpler to set up and to change security settings in the NXC. You can create your own custom zones.

NXC5200 User’s Guide

Chapter 2 Features and Applications

Firewall

The NXC’s firewall is a stateful inspection firewall. The NXC restricts access by screening data packets against defined access rules. It can also inspect sessions. For example, traffic from one zone is not allowed unless it is initiated by a computer in another zone first.

Intrusion Detection and Prevention (IDP)

IDP (Intrusion Detection and Protection) can detect malicious or suspicious packets and respond instantaneously. It detects pattern-based attacks in order to protect against network-based intrusions. See Section 21.5.1 on page 314 for a list of attacks that the NXC can protect against. You can also create your own custom IDP rules.

Anomaly Detection and Prevention (ADP)

ADP (Anomaly Detection and Prevention) can detect malicious or suspicious packets and respond instantaneously. It can detect:

• Anomalies based on violations of protocol standards (RFCs – Requests for Comments)

• Abnormal flows such as port scans.

The NXC’s ADP protects against network-based intrusions. See Section 22.3. 3 on

page 342 and Section 22.3.4 on page 345 for more on the kinds of attacks that

the NXC can protect against. You can also create your own custom ADP rules.

Bandwidth Management

Bandwidth management allows you to allocate network resources according to defined policies. This policy-based bandwidth allocation helps your network to better handle applications such as Internet access, e-mail, Voice-over-IP (VoIP), video conferencing and other business-critical applications.

Anti-Virus Scanner

With the anti-virus packet scanner, your NXC scans files transmitting through the enabled interfaces into the network. The NXC helps stop threats at the network edge before they reach the local host computers.

Application Patrol

Application patrol manages instant messenger and peer-to-peer applications like MSN and BitTorrent. You can even control the use of a particular application’s individual features (like text messaging, voice, video conferencing, and file transfers). Application patrol has powerful bandwidth management including

NXC5200 User’s Guide

traffic prioritization to enhance the performance of delay -sensitive applications like voice and video. You can also use an option that gives SIP priority over all other traffic. This maximizes SIP traffic throughput for improved VoIP call sound quality.

2.2 Applications

These are some example applications for your NXC. See also Chapter 5 on page

71 for configuration tutorial examples.

2.2.1 AP Management

Manage up to 240 separate Access Points (APs) from a si ngle, persis tent location. APs can also be configured to monitor for rogue APs.

Figure 7 AP Management Example

Chapter 2 Features and Applications

Here, the NXC (A) connects to a number of Power over Ethernet (PoE) devices (B). They connect to the NWA5260 Access Points (C), which in turn provide access to the network for the wireless clients (D) within their broadcast radius.

2.2.2 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 cov erage area that are not

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Chapter 2 Features and Applications

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

2.2.3 Captive Portal

The NXC can be configured with a captive portal, which intercepts all network traffic, regardless of address or port, until a connecting wireless user authenticates his or her session, through a designated login Web page.

Figure 8 Applications: Captive Portal

The captive portal page only appears once per authentication session. Unless a user idles out or closes the connection, he or she generally will not see it again during the same session.

2.2.4 Load Balancing

With load balancing you can easily distribute wireless traffic across multiple APs to relieve strain on your network. When a station becomes overloaded, it can automatically delay a connection until the client associates with another network, or it can alternatively disa s sociate idle clients or those clients with weak connections from the network.

2.2.5 Dynamic Channel Selection

The NXC can automatically select the radio channel upon which its APs broadcast by scanning the area around those APs and determining what channels are currently being used by other devices not connected to the network.

NXC5200 User’s Guide

2.2.6 User-Aware Access Control

Set up security policies that restrict access to sensitive information and shared resources based on the user who is trying to access it.

2.2.7 Device HA

Set one NXC as the master device and an additional NXC as a backup device to ensure that one is always available for the network.

Chapter 2 Features and Applications

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Chapter 2 Features and Applications

NXC5200 User’s Guide

CHAPTER 3

The Web Configurator

3.1 Overview

The NXC Web Configurator allows easy management using an Internet browser.

In order to use the Web Configurator, you must:

• Use Internet Explorer 7.0 and later or Firefox 1.5 and later

• Allow pop-up windows

• Enable JavaScript (enabled by default)

• Enable Java permissions (enabled by default)

• Enable cookies

The recommended screen resolution is 1024 x 768 pixels and higher.

3.2 Access

1 Make sure yo ur NXC hardwar e is properly connected. See the Quick Start Guide.

2 Browse to https://192.168.1.1. The Login screen appears.

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Chapter 3 The Web Configurator

3 Enter the user name (default: “admin”) and password (default : “1234”).

4 Click Login. If you logged in using the default user name and password, the

Update Admin Info screen appears. Otherwise, the dashboard appears.

This screen appears every time you log in usi ng the default user name and default password. If you change the password for the default user account, this screen does not appear anymore.

NXC5200 User’s Guide

3.3 The Main Screen

The Web Configurator’s main screen is divided into these parts:

Figure 9 The Web Configurator’s Main Screen

Chapter 3 The Web Configurator

• A - Title Bar

• B - Navigation Panel

• C - Main Window

NXC5200 User’s Guide

Chapter 3 The Web Configurator

3.3.1 Title Bar

The title bar provides some useful links that always appear over the screens below, regardless of how deep into the Web Configurator you navigate.

Figure 10 Title Bar

The icons provide the following functions.

Table 4 Title Bar: Web Configurator Icons

LABEL DESCRIPTION

Logout Click this to log out of the Web Configurator. Help Click this to open the help page for the current screen. About Click this to display basic information about the NXC. Site Map Click this to see an overview of links to the Web Configurator screens. Object

Reference Console Click this to open the console in which you can use the command line

CLI Click this to open a popup window that displays the CLI commands sent

Click this to open a screen where you can check which configuration items reference an object.

interface (CLI). See the NXC CLI Reference Guide for details.

by the Web Configurator.

3.3.2 Navigation Panel

Use the menu items on the navigation panel to open screens to configure NXC features. Click the arrow in the middle of the right edge of the navigation panel to hide the navigation panel menus or drag it to resize them. The following sections introduce the NXC’s navigation panel menus and their screens.

Figure 11 Navigation Panel

NXC5200 User’s Guide

3.3.2.1 Dashboard

The dashboard displays general device information, system status, system resource usage, licensed service status, and interface status in widgets that you can re-arrange to suit your needs.

For details on the Dashboard’s features, see Chapter 6 on page 103.

3.3.2.2 Monitor Menu

The monitor menu screens display status and statistics information.

Table 5 Monitor Menu Screens Summary

FOLDER OR LINK TAB FUNCTION

System Status

Port Statistics Displays packet statistics for each physical port. Interface Status Displays general interface information and packet

Traffic Statistics Collect and display traffic statistics. Session Monitor Displays the status of all current sessions. IP/MAC Binding Lists the devices that have received an IP address

Wireless

AP Info AP List Displays information about the connected APs.

Station Info Displays information about the connected stations.

Rogue AP Displays information about suspected rogue APs. AppPatrol Statistics Displays bandwidth and protocol statistics. Anti-X Statistics

Anti-Virus Collects and display statistics on the viruses that the

IDP Collects and display statistics on the intrusions that

Log View Log Lists log entries for the NXC.

Chapter 3 The Web Configurator

statistics.

from NXC interfaces using IP/MAC binding.

Radio List Displa ys information about the radios of the connected

APs.

NXC has detected.

the NXC has detected.

View AP Log

Allows you to query connected APs and view log entries for them.

NXC5200 User’s Guide

Chapter 3 The Web Configurator

3.3.2.3 Configuration Menu

Use the configuration menu screens to configure the NXC’s features.

Table 6 Configuration Menu Screens Summary

FOLDER OR LINK

Licensing

Registration Registration Register the device and activate trial services.

Signature

Update

Wireless

Controller Configure how the NXC handles APs that newly

Management

MON Mode Configure how the NXC monitors for rogue APs.

Load

Balancing

DCS Configure dynamic wireless channel selection. Network

Interface Ethernet Manage Ethernet interfaces and virtual Ethernet

Routing Policy Route Create and manage routing policies.

Zone Configure zones used to define various policies.

NAT Set up and manage port forwarding rules.

ALG Configure SIP, H.323, and FTP pass-through

IP/MAC

Binding

Captive Portal Captive Portal Assign the captive portal web page to various

TAB FUNCTION

Service View the licensed service status and upgrade

Anti-Virus Update anti-virus signatures immediately or by a

IDP/AppPatrol Update IDP signatures immediately or by a

System Protect Update system-protect signatures immediately or

VLAN Create and manage VLAN interfaces and virtual

Static Route Create and manage IP static routing information.

Summary Configure IP to MAC address bindings for devices

Exempt List Configure ranges of IP addresses to which the NXC

licensed services.

schedule.

by a schedule.

connect to the network. Edit wireless AP information, remove APs, and

reboot them.

Configure load balancing for traffic moving to and from wireless clients.

interfaces.

VLAN interfaces.

settings.

connected to each supported interface.

does not apply IP/MAC binding.

network services.

when they hit the captive portal.

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Chapter 3 The Web Configurator

Table 6 Configuration Menu Screens Summary (continued)

FOLDER OR LINK

Firewall Firewall Create and manage level-3 traffic rules.

AppPatrol General Enable or disable traffic management by

Anti-X

Anti-Virus General Turn anti-virus on or off, set up anti-virus policies

IDP General Display and manage IDP bindings.

ADP General Display and manage ADP bindings.

Device HA General Configure device HA global settings, and see the

Object

User/Group User Create and manage users.

AP Profile Radio Create and manage wireless radio settings files

TAB FUNCTION

Session Limit Limit the number of concurrent client NAT/firewall

sessions.

application and see registration and signature information.

Common Manage traffic of the most commonly used web,

file transfer and e-mail protocols. IM Manage instant messenger traffic. Peer to Peer Manage peer-to-peer traffic. VoIP Manage VoIP traffic. Streaming Manage streaming traffic. Other Manage other kinds of traffic.

and check the anti-virus engine type and the anti-

virus license and signature status. Black/White List Set up anti-virus black (blocked) and white

(allowed) lists of virus file patterns. Signature Search for signatures by signature name or

attributes and configure how the NXC uses them.

Profile Create and manage IDP profiles. Custom

Signatures

Profile Create and manage ADP profiles.

Active-Passive Mode

Group Create and manage groups of users. Setting Manage default settings for all users, general

SSID Create and manage wireless SSID, security, and

Create, import, or export custom signatures.

status of each interface monitored by device HA.

Configure active-passive mode device HA.

settings for user sessions, and rules to force user

authentication.

that can be associated with different APs.

MAC filtering settings files that can be associated

with different APs.

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Chapter 3 The Web Configurator

Table 6 Configuration Menu Screens Summary (continued)

FOLDER OR LINK

MON Profile Create and manage rogue AP monitoring files that

Address Address Create and manage host, range, and network

Service Service Create and manage TCP and UDP services.

Schedule Create one-time and recurring schedules. AAA Server Active Directory Configure the default Active Directory settings.

Auth. Method Create and manage ways of authenticating users. Certificate My Certificates Create and manage the NXC’s certificates.

System

Host Name Configure the system and domain name for the

Date/Time Configure the current date, time, and time zone in

Console Speed

DNS Configure the DNS server and address records for

WWW Configure HTTP, HTTPS, and general

SSH Configure SSH server and SSH service settings. TELNET Configure telnet server settings for the NXC. FTP Configure FTP server settings. SNMP Configure SNMP communities and services. Language Select the Web Configurator language.

Log & Report

Email Daily Report

Log Setting Configure the system log, e-mail logs, and remote

TAB FUNCTION

can be associated with different APs.

(subnet) addresses. Address Group Create and manage groups of addresses.

Service Group Create and manage groups of services.

LDAP Configure the default LDAP settings. RADIUS Configure the default RADIUS settings.

Trusted Certificates

Import and manage certificates from trusted

sources.

NXC.

the NXC.

Set the console speed.

the NXC.

authentication.

Configure where and how to send daily reports and

what reports to send.

syslog servers.

NXC5200 User’s Guide

3.3.2.4 Maintenance Menu

Use the maintenance menu screens to manage configuration and firmware files, run diagnostics, and reboot or shut down the NXC.

Table 7 Maintenance Menu Screens Summary

FOLDER OR LINK

File Manager Configuration

Diagnostics Diagnostic Collect diagnostic information.

Reboot Restart the NXC. Shutdown Turn off the NXC.

TAB FUNCTION

File Firmware

Package Shell Script Manage and run shell script files for the NXC.

Packet Capture Capture packets for analysis. Wireless Frame

Capture

Chapter 3 The Web Configurator

Manage and upload configuration files for the NXC.

View the current firmware version and to upload

firmware.

Capture wireless frames from APs for analysis.

3.3.3 Warning Messages

Warning messages, such as those resulting from misconfiguration, display in a popup window.

Figure 12 Warning Message

NXC5200 User’s Guide

Chapter 3 The Web Configurator

3.3.4 Site Map

Click Site MAP to see an overview of links to the Web Configurator screens. Click a screen’s link to go to that screen.

Figure 13 Site Map

3.3.5 Object Reference

Click Object Ref erence to open the Object Reference screen. Select the type of object and the individual object and click Refresh to show which configuration settings reference the object. The following example shows which configuration settings reference the ldap-users user object (in this case the first firewall rule).

Figure 14 Object Reference

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The fields vary with the type of object. The following table describes labels that can appear in this screen.

Table 8 Object References

LABEL DESCRIPTION

Object Name This identifies the object for which the configuration settings that use it

are displayed. Click the object’s name to display the object’s

configuration screen in the main window. # This field is a sequential value, and it is not associated with any entry. Service This is the type of setting that references the selected object. Click a

service’s name to display the service’s configuration screen in the main

window. Priority If it is applicable, this field lists the referencing configuration item’s

position in its list, otherwise N/A displays. Name This field identifies the configuration item that references the object. Description If the referencing configuration item has a description configured, it

displays here. Refresh Click this to update the information in this screen. Cancel Click Cancel to close the screen.

3.3.5.1 CLI Messages

Click CLI to look at the CLI commands sent by the Web Configurator. These commands appear in a popup window, such as the following.

Figure 15 CLI Messages

Click Clear to remove the currently displayed information.

Note: See the Command Reference Guide for information about the commands.

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Chapter 3 The Web Configurator

3.3.5.2 Console

The Console allows you to use CLI commands from directly within the Web Configurator rather than havin g to use a separate terminal program. In add ition to logging in directly to the NXC’s CLI, you can also log into other devices on the network through this Console. It uses SSH to establish a connection.

Note: To view the fuctions in the Web Configurator user interface that correspond

directly to specific NXC CLI commands, use the CLI Messages window (see

Section 3.3.5.1 on page 51) in tandem with this one.

Figure 16 Console

The following table describes the elements in this screen.

Table 9 Console

LABEL DESCRIPTION

Command Line

Enter commands for the device that you are currently logged into here.

If you are logged into the NXC, see the CLI Reference Guide for details

on using the command line to configure it. Device IP

Address

This is the IP address of the device that you are currently logged into.

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Table 9 Console (continued)

LABEL DESCRIPTION

Logged-In User

This displays the username of the account currently logged into the NXC

through the Console Window.

Note: You can log into the Web Configurator with a different account

than used to log into the NXC through the Console.

Connection Status

This displays the connection status of the account currently logged in.

If you are logged in and connected, then this displays ‘Connected’.

If you lose the connection, get disconnected, or logout, then this

displays ‘Not Connected’. Tx/RX Activity

Monitor

Chapter 3 The Web Configurator

This displays the current upload / download activity . The faster and more

frequently an LED flashes, the faster the data connection.

Before you use the Console, ensure that:

• Your web browser of choice allows pop-up windows from the IP address assigned to your NXC.

• Your web browser allows Java programs.

• You are using the latest version of the Java program (http://www.java.com).

To login in through the Console:

1 Click the Console button on the Web Configurator title bar.

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2 Enter the IP address of the NXC and click OK.

3 Next, enter the User Name of the account being used to log into your target

device and then click OK.

4 You may be prompted to authenticate your account password, depending on the

type of device that you are logging into. Enter the password and click OK.

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5 If your login is successful, the command line appears and the status bar at the

bottom of the Console updates to reflect your connection state.

3.3.6 Tables and Lists

The Web Configurator tables and lists are quite flexible and provide several options for how to display their entries.

Chapter 3 The Web Configurator

3.3.6.1 Manipulating Table Display

Here are some of the ways you can manipulate the We b Configurator tables.

1 Click a column heading to sort the table’s entries according to that column’s

criteria.

2 Click the down arrow next to a column heading for more options about how to

display the entries. The options available vary depending on the type of fields in the column. Here are some examples of what you can do:

• Sort in ascending alphabetical order

• Sort in descending (reverse) alphabetical order

• Select which columns to display

• Group entries by field

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• Show entries in groups

• Filter by mathematical operators (<, >, or =) or searching for text.

3 Select a column heading cell’s right border and drag to re-size the column.

4 Select a column heading and drag and drop it to change the column order. A green

check mark displays next to the column’s title when you drag the column to a valid new location.

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5 Use the icons and fields at the bottom of the table to navigate to different pages of

entries and control how many entries display at a time.

3.3.6.2 Working with Table Entries

The tables have icons for working with table entries. A sample is shown next. You can often use the [Shift] or [Ctrl] ke y t o sel e c t multiple entries to remove, activate, or deactivate.

Chapter 3 The Web Configurator

Table 10 Common Table Icons

Here are descriptions for the most common table icons.

Table 11 Common Table Icons

LABEL DESCRIPTION

Add Click this to create a new entry. For features where the entry’s

position in the numbered list is important (features where the NXC applies the table’s entries in order like the firewall for example), you can select an entry and click Add to create a new entry after the selected entry.

Edit Double-click an entry or select it and click Edit to open a screen

where you can modify the entry’s settings. In some tables you can just click a table entry and edit it directly in the table. For those types of tables small red triangles display for table entries with changes that you have not yet applied.

Remove To remove an entry, select it and click Remove. The NXC confirms

you want to remove it before doing so. Activate To turn on an entry, select it and click Activate. Inactivate To turn off an entry, select it and click Inactivate.

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Table 11 Common Table Icons (continued)

LABEL DESCRIPTION

Object References Select an entry and click Object References to open a screen that

shows which settings use the entry. Move To change an entry’s position in a numbered list, select it and click

Move to display a field to type a number for where you want to put

that entry and press [ENTER] to move the entry to the number that

you typed. For example, if you type 6, the entry you are moving

becomes number 6 and the previous entry 6 (if there is one) gets

pushed up (or down) one.

3.3.6.3 Working with Lists

When a list of available entries displays next to a list of selected entries, you can often just double-click an entry to move it from one list to the other. In some lists you can also use the [Shift] or [Ctrl] key to select multiple entries, and then use the arrow button to move them to the other list.

Figure 17 Working with Lists

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CHAPTER 4

Configuration Basics

4.1 Overview

This section provides information to help you configure the NXC effectively. Some of it is helpful when you are just getting started. Some of it is provided for your reference when you configure various features in the NXC.

4.2 Object-based Configuration

The NXC stores information or settings as objects. You use these objects to configure many of the NXC’s features and settings. Once you configure an object, you can reuse it in configuring other features.

When you change an object’s settings, the NXC automatically updates all the settings or rules that use the object. For example, if y ou create a radio object, you can have firewall, application patrol, and other settings use it. If you modify the radio object, all the firewall, application pat r ol, and other settings that are linked to that object automatically apply the updated settings.

You can create address objects based on an interface’s IP address, subnet, or gateway. The NXC automatically updates every rule or setting that uses these objects whenever the interface’s IP address settings change. For example, if you change an Ethernet interface’s IP address, the NXC automatically updates the rules or settings that use the interface-based, LAN subnet address object.

You can use the Configuration > Objects screens to create objects before you configure features that use them. If you are in a screen that uses objects, you can also usually select Create new Object to be able to configure a new object.

Use the Object Reference screen to see what objects are configured and which configuration settings reference specific objects.

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Chapter 4 Configuration Basics

4.3 Zones, Interfaces, and Physical Ports

Zones (groups of interfaces) simplify security settings. Here is an overview of zones, interfaces, and physical ports in the NXC.

Table 12 Zones, Interfaces, and Physical Ethernet Ports

Zones

(LAN, WLAN)

Interfaces

(Ethernet, VLAN)

Physical Ethernet Ports

(1, 2, 3, 4)

4.3.1 Interface Types

A zone is a group of interfaces. Use zones to apply security settings such as firewall, IDP, remote management, anti-virus, and application patrol.

Interfaces are logical entities that (layer-3) packets pass through. Use interfaces in configuring zones, device HA, policy routes, static routes, and NAT.

Port combine physical ports into interfaces. The physical port is where you connect a cable. In configuration, you

use physical ports when configuring port groups. You use interfaces and zones in configuring other features.

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. By

• 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.

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Chapter 4 Configuration Basics

4.3.2 Example Interface and Zone Configuration

This section introduces the NXC’ s default z one member physical interfaces and the default configuration of those interfaces. The following figure uses letters to denote public IP addresses or part of a private IP address.

Figure 18 Default Network Topology

Table 13 NXC Sample Topology

PORT INTERFACE ZONE

P1~P8 ge1~ge8 LAN

CONSOLE N/A None None Local management

•The LAN zone contains the ge1~ ge8 interfaces (physical ports P1~P8). By default, all LAN interfaces are put in vlan0.

•The WLAN zone contains Access Points (APs) that are available to the public. These APs uses private IP addresses that can be assigned by an upstream DHCP server (default) or the NXC itself in some configurations.

•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.

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IP ADDRESS AND DHCP SETTINGS

192.168.1.1, DHCP server

(vlan0) WLAN DHCP clients Managed Wireless APs

enabled

SUGGESTED USE WITH DEFAULT SETTINGS

Dedicated LAN connections

Chapter 4 Configuration Basics

4.4 Feature Configuration Overview

This section provides information about configuring the main features in the NXC. The features are listed in the same sequence as the menu item(s) in the Web Configurator. Each feature description is organized as shown below.

4.4.1 Feature

This provides a brief description. See the appropriate chapter(s) in this User’s Guide for more information about any feature.

This shows you the sequence of menu items and tabs you should click

MENU ITEM(S)

PREREQUISITES

to find the main screen(s) for this feature. See the web help or the related User’s Guide chapter for information about each screen.

These are other features you should configure before you configure the main screen(s) for this feature.

If you did not configure one of the prerequisites first, you can often select an option to create a new object. After you create the object you return to the main screen to finish configuring the feature.

You may not have to configure everything in the list of prerequisites. For example, you do not have to create a schedule for a policy route unless time is one of the criterion.

There are two uses for this. These are other features you should usually configure or check right

WHERE USED

after you configure the main screen(s) for this feature. You have to delete the references to this feature before you can delete

any settings.

Note: PREQUISITES or WHERE USED does not appear if there are no prerequisites

or references in other features to this one. For example, no other features reference AP management entries, so there is no WHERE USED entry.

4.4.2 Licensing Registration

Use these screens to register your NXC and subscribe to services like anti-virus, IDP and application patrol. You must have Internet access to myZyXEL.com.

MENU ITEM(S) PREREQUISITES

Configuration > Licensing > Registration

Internet access to myZyXEL.com

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4.4.3 Licensing Update

Use these screens to update the NXC’s signature packages for the anti-virus, IDP and application patrol features. You must have a valid subscription to update the anti-virus and IDP/application patrol signatures. You must also have Internet access to myZyXEL.com.

Chapter 4 Configuration Basics

MENU ITEM(S) PREREQUISITES

4.4.4 Wireless

Use these screens to manage your wireless Access Points.

MENU ITEM(S) PREREQUISITES

4.4.5 Interface

Most of the features that use interfaces support Ethernet and VLAN interfaces.

Note: When you create an interface, no security is applied to it until you assign it to a

zone first.

MENU ITEM(S) PREREQUISITES WHERE USED

Configuration > Licensing > Signature Update

Registration (for anti-virus and IDP/application patrol), Internet access to myZyXEL.com

Configuration > Network > Wireless. Radio profiles, SSID profiles, and security profiles

Configuration > Network > Interface. None Zones, device HA, policy routes, static routes, NAT, application patrol

4.4.6 Policy Routes

Use policy routes to override the NXC’s default routing behavior in order to send packets through the appropriate interface. You can also use policy routes for bandwidth management (out of the NXC), port triggering, and general NAT on the source address. You have to set up the criteria, next-hops, and NAT settings first.

MENU ITEM(S)

PREREQUISITES

NXC5200 User’s Guide

Configuration > Network > Routing > Policy Routes

Criteria: users, user groups, interfaces (incoming), addresses (source, destination), address groups (source, destination), schedules, services, service groups

Next-hop: addresses (HOST gateway), interfaces NAT: addresses (translated address), services and service groups

(port triggering)

Chapter 4 Configuration Basics

4.4.7 Static Routes

Use static routes to tell the NXC about networks not directly connected to the NXC.

MENU ITEM(S) PREREQUISITES

4.4.8 Zones

A zone is a group of interfaces. The NXC uses zones, not interfaces, in many security settings, such as firewall rules and remote management.

Zones cannot overlap. Each interface can be assigned to one zone. Virtual interfaces are automatically assigned to the same zone as the interface on which they run. When you create a zone, the NXC does not create any firewall rules, assign an IDP profile, or configure remote management for the new zone.

MENU ITEM(S) PREREQUISITES WHERE USED

4.4.9 NAT

Configuration > Network > Routing > Static Route

Interfaces

Configuration > Network > Zone

Interfaces Firewall, anti-virus, ADP, application patrol

Use Network Address Translation (NAT) to make computers on a private network behind the NXC available outside the private network.

The NXC only checks regular (through-NXC) firewall rules for packets that are redirected by NAT, it does not check the to-NXC firewall rules.

MENU ITEM(S) PREREQUISITES

4.4.10 ALG

The NXC’s Application Layer Gat eway (ALG) allows VoIP and FTP applications to go through NA T on the NXC. You can also specify additional signaling port numbers.

MENU ITEM(S)

Configuration > Network > NAT

Interfaces, addresses (HOST)

Configuration > Network > ALG

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4.4.11 Captive Portal

A captive portal intercepts all HTTP-packets, regardless of address or port, until the user authenticates his or her connection, usually through a specifically designated login Web page..

Chapter 4 Configuration Basics

MENU ITEM(S)

Configuration > Captive Portal

4.4.12 Firewall

The firewall controls the travel of traffic between or within zones. You can also configure the firewall to control traffic for NAT (DNAT) and policy routes (SNAT). You can configure firewall rules based on schedules, specific users (or user groups), source or destination addresses (or address groups) and services (or service groups). Each of these objects must be configured in a different screen.

T o-NXC firew all rules control access to the NXC. Configure to-NXC firewall rules for remote management. By default, the firewall only allows management connections from the LAN, WAN zone.

MENU ITEM(S) PREREQUISITES

Configuration > Firewall

Zones, schedules, users, user groups, addresses, services, service groups

4.4.13 Application Patrol

Use application patrol to control which individuals can use which services through the NXC (and when they can do so). You can also specify allowed amounts of bandwidth and priorities. You must subscribe to use application patrol. You can subscribe using the Configuration > Licensing > Registration screens or one of the wizards.

MENU ITEM(S) PREREQUISITES

4.4.14 Anti-Virus

Use anti-virus to detect and take action on viruses. You must subscribe to use anti-virus. You can subscribe using the Licensing > Registration screens or one of the wizards.

MENU ITEM(S) PREREQUISITES

Configuration > AppPatrol

Registration, zones, schedules, users, user groups, addresses. These are only used as criteria in exceptions and conditions.

Configuration > Anti-X > Anti-Virus

Registration, zones

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Chapter 4 Configuration Basics

4.4.15 IDP

Use IDP to detect and take action on malicious or suspicious packets. You must subscribe to use IDP. You can subscribe using the Licensing > Registration screens or one of the wizards.

MENU ITEM(S) PREREQUISITES

4.4.16 ADP

Use ADP to detect and take action on traffic and protocol anomalies.

MENU ITEM(S) PREREQUISITES

4.4.17 Device HA

To increase network reliability, device HA lets a backup NXC automatically take over if a master NXC fails.

MENU ITEM(S) PREREQUISITES

Configuration > Anti-X > IDP

Registration, zones

Configuration > Anti-X > ADP

Zones

Configuration > Device HA

Interfaces (with a static IP address), to-NXC firewall

4.5 Objects

Objects store information and are referenced by other features. If you update this information in response to changes, the NXC automaticall y propagates the change through the features that use the object. Select an object (such as a user group, address, address group, service, service group, zone, or schedule) and then click Object Reference at the top of the list box where the object appears in order to display basic information about it.

The following table introduces the objects. You can also use this table when you want to delete an object because you have to delete references to the object first.

Table 14 Objects Overview

OBJECT WHERE USED

user/group See the User/Group section on page 67 for details. ap profile See the AP Profile section on page 67 for details. mon profile See the MON Profile section on page 68 for details.

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Table 14 Objects Overview

OBJECT WHERE USED

address Policy routes (criteria, next-hop [HOST], NAT), authentication

policies, firewall, application patrol (source, destination), NAT (HOST), user settings (force user authentication), address groups

address group Policy routes (criteria), firewall, application patrol (source,

destination), captive portal (force user authentication), address groups, remote management (System)

service, service group

schedule Policy routes (criteria), authentication policies, firewall, application

AAA server Authentication methods authentication

methods certificates WWW, SSH, FTP, controller SSID profile captive portal

Policy routes (criteria, port triggering), firewall, service groups, log (criteria)

patrol, user settings (force user authentication)

WWW (client authentication), captive portal

4.5.1 User/Group

Use these screens to configure the NXC’s administrator and user accounts. The NXC provides the following user types.

Table 15 User Types

TYPE ABILITIES

admin Change NXC configuration (web, CLI) ldap users LDAP authentication for downstream network clients radius users RADIUS authentication for downstream network clients ad users AD authentication for downstream network clients

4.5.2 AP Profile

Use these screens to configure preset profiles for the Access Points (APs) connected to your NXC’s wireless network.

Table 16 AP Profile Types

TYPE ABILITIES

Radio Create radio profiles for the APs on your network. SSID Create SSID profiles for the APs on your network. Security Create security profiles for the APs on your network. MAC Filtering Create MAC filtering profiles for the APs on your network.

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4.5.3 MON Profile

Use these screens to set up monitor mode configurations that allow your connected APs to scan for other wireless devices in the vicinity.

Table 17 MON Profile Types

TYPE ABILITIES

Monitor Create monitor mode configurations that can be used by the APs to

4.6 System

This section introduces some of the management features in the NXC. Use Host Name to configure the system and domain name for the NXC. Use Date/Time to

configure the current date, time, and time zone in the NXC. Use Console Speed to set the console speed. Use Language to select a language for the Web Configurator screens.

periodically listen to a specified channel or number of channels for other wireless devices broadcasting on the 802.11 frequencies.

4.6.1 DNS, WWW, SSH, TELNET, FTP, and SNMP

Use these screens to set which services or protocols can be used to access the NXC through which zone and from which addresses (address objects) the access can come.

MENU ITEM(S)

PREREQUISITES

Configuration > System > DNS, WWW, SSH, TELNET, FTP, SNMP, Language

T o-NXC firewall, zones, addresses, address groups, certificates (WWW , SSH, FTP), authentication methods (WWW)

4.6.2 Logs and Reports

The NXC provides a system log, offers two e-mail profiles to which to send log messages, and sends information to four syslog servers. It can also e-mail you statistical reports on a daily basis.

MENU ITEM(S)

Configuration > Log & Report

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4.6.3 File Manager

Use these screens to upload, download, delete, or run scripts of CLI commands. You can manage:

• Configuration files. Use configuration files to back up and restore the complete configuration of the NXC. You can store multiple configuration files in the NXC and switch between them without restarting.

• Shell scripts. Use shell scripts to run a series of CLI commands. These are useful for large, repetitive configuration changes and for troubleshooting.

You can edit configuration files and shell scripts in any text editor.

Chapter 4 Configuration Basics

MENU ITEM(S)

4.6.4 Diagnostics

The NXC can generate a file containing the NXC’s configuration and diagnostic information. It can also capture packets going through the NXC’s interfaces so yo u can analyze them to identify network problems

MENU ITEM(S)

4.6.5 Shutdown

Use this to shutdown the device in preparation for disconnecting the power.

Always use Maintenance > Shutdown > Shut down or the shutdown command before you turn off the NXC or remove the power. Not doing so can cause the firmware to become corrupt.

MENU ITEM(S)

Maintenance > File Manager

Maintenance > Diagnostics

Maintenance > Shutdown

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Chapter 4 Configuration Basics

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CHAPTER 5

Tutorials

5.1 Overview

The tutorials featured here require a basic understanding of connecting to and using the Web Configurator, as well as an understanding of networking concepts and topology design.

The default login information for the NXC’s Web Configurator is:

Table 18 NXC Default Login Information

IP Address 192.168.1.1 Chapter 3 on page 41. User Name admin Password 1234

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Chapter 5 Tutorials

5.2 Sample Network Setup

This tutorial shows you how to create a wireless network that allows two types of connections: staff and guest. Staff connections have full access to the network, while guests are limited to Internet access (DNS, HTTP and HTTPS services).

Figure 19 Tutorial Network Topology

Requirements: A DHCP server with Option 138, an AD server, a switch that supports 802.1q, a Layer-3 routing device and firewall.

Note: In this topology, vlan 199 is managed by the router responsible for the up stream

portion of the network, such as a ZyWALL.

The following VLAN settings are used in this tutorial:

Table 19 Tutorial Topology Summary

VLAN VLAN ID IP ADDRESS

Management 99 10.10.99.10/24 Staff 101 10.1.101.254/24 Guest 102 10.1.102.254/24

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Figure 20 Tutorial Guest VLAN Example

Chapter 5 Tutorials

In this example, the guest VLAN (102) is highlighted with the connections that it may make over this particular network topology. The staff VLAN (101) is unhighlighted because it has access to all aspects of the network.

5.2.1 Tutorial Tasks

In this tutorial, you will:

Table 20 Tutorial Tasks Summary

TASK SEE ALSO

Set the Management VLAN (vlan99) Chapter 11 on page 177 Set the Other VLANs (vlan101, vlan102) Chapter 11 on page 177 Configure the AAA Object Chapter 30 on page 425 Configure the Auth. Method Objects (staff, guest) Chapter 31 on page 437 Create the AP Profiles (staff, guest) Chapter 25 on page 387 Create the Guest User Account Chapter 24 on page 373 Configure the Captive Portal Settings Chapter 17 on page 239 Configure the Guest Firewall Rules Chapter 18 on page 249

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Chapter 5 Tutorials

5.2.2 Set the Management VLAN (vlan99)

This section shows you how to set up the VLAN for managing the NXC. This is only for network administrators to access the device.

1 Open the Configuration > Network > Interface > VLAN screen then click the

Add button.

2 The Add VLAN window opens.

2a Enable Interface: Select this to enable this interface. 2b Interface Name: Enter ‘vlan99’. 2c VID: Enter ‘99’ as the VLAN ID tag. 2d Under Member Configuration, set the ge1 Member status to Yes and TX

Tagging to Yes.

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2e Scroll down to IP Address Assignment and select Use Fixed IP Address. 2f IP Address: Enter 10.10.99.10. 2g Subnet Mask: Enter 255.255.255.0. 2h Gateway: Enter 10.10.99.10.

3 Click OK to save these changes.

5.2.3 Set the Other VLANs (vlan101, vlan102)

This section shows you how to set up the other VLANs on your network. They correspond to the topology map presented at the beginning of this tutorial.

Note: You will use this procedure twice: once for VLAN 101 and the other time for

VLAN 102. VLAN 101 is presented first, while VLAN 102 is presented second.

Chapter 5 Tutorials

1 For VLAN 101: Open the Configuration > Network > Interface > VLAN screen

then click the Add button.

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2 The Add VLAN window opens.

2a Enable Interface: Select this to enable this interface. 2b Interface Name: Enter ‘vlan101’. 2c VID: Enter ‘101’ as the VLAN ID tag. 2d Under Member Configuration, set the ge1 Member status to Yes and TX

Tagging to Yes.

2e Scroll down to IP Address Assignment and select Use Fixed IP Address. 2f IP Address, enter 10.10.101.254. 2g Subnet Mask: Enter 255.255.255.0. 2h Gateway: Enter 10.10.101.254.

3 For VLAN 102: Open the Configuration > Network > Interface > VLAN screen

then click the Add button.

4 The Add VLAN window opens.

4a Enable Interface: Select this to enable this interface. 4b Interface Name: Enter ‘vlan102’.

4c VID: Enter ‘102’ as the VLAN ID tag.

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4d Under Member Configuration, set the ge1 Member status to Yes and TX

Tagging to Yes.

4e Scroll down to IP Address Assignment and select Use Fixed IP Address. 4f IP Address, enter 10.10.102.254. 4g Subnet Mask: Enter 255.255.255.0. 4h Gateway: Enter 10.10.102.254.

5 Click OK to save these changes.

After configuring VLANs 99, 101, and 102, the Configuration > Network > Interfaces > VLAN screen should look similar to this:

Figure 21 Tutorial VLANs Summary

5.2.4 Configure the AAA Object

This section shows you how to set up the AAA (Authentication, Authorization, Accounting) server settings to allow registered users to log into the network through the staff SSID.

1 Open the Configuration > Object > AAA Server > Active Directory screen

and then click the Add button.

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2 The Add Active Directory window opens.

2a Name: Enter AD-1. 2b Under Server Settings, enter a Server Address of 10.1.199.250. 2c Base DN: Enter settings that match your AD server configuration. For this

example, use ‘cn=Users,dc=zyxel,dc=test’.

2d Under Server Authentication, enter a Bind DN that has privileges on your

AD server. In this tutorial, use ‘zyxel’.

2e Password: Enter the password for the Bind DN that has privileges on your

AD server. In this tutorial, use ‘1234’.

2f Scroll down to Configuration Validation, enter a valid test account for your

AD sever in the Username field, and click Test. This tests the settings you just entered in this window.

Note: Unless your AD server is configured to explicitly handle these tutorial settings,

the Test button may not work. However, it is handy know for future reference.

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3 Click OK to save these settings.

5.2.5 Configure the Auth. Method Objects (staff, guest)

This section shows you how to set up the Authentication Method profile to allow registered users to log into the network through the staff SSID and guest users to login through the guest SSID.

1 Open the Configuration > Object > Auth. Method screen and then click the

Add button.

2 The Add Authentication Method window opens.

2a Name: Enter ‘staff’. 2b Click the Add button to create a blank rule in the Method list. 2c Click the rule to exand the list of available AAA server profiles and then select

group AD-1. This is the AAA server profile created in Section 5.2.4 on page

77.

3 Click OK to save these settings.

4 To create a guest authentication object, repeat steps 1-3 but with the following

guest settings instead:

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4a Name: Enter ‘guest’. 4b Click the Add button to create a blank rule in the Method list. 4c Click the rule to exand the list of available AAA server profiles and then select

local. The guest account created in Section 5.2.7 on page 83 is stored in this authentication database.

5.2.6 Create the AP Profiles (staff, guest)

This section shows you how to configure the Access Point (AP) profiles that wil l be used by your APs once they are connected to the network. You will first create a security profile and an SSID profile for staff access, then you will create a second pair for guest access. Finally, you will associate them with a radio profile which is linked to your AP’s radio transmitter.

1 Open the Configuration > Object > AP Profile > SSID > Security List screen

and then click the Add button.

2 The Add Security Profile window opens.

2a Profile Name: Enter ‘wap2’.

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2b Security Mode: Select wpa2 from the list of available wireless security

encryption methods.

2c Under Security Settings, select 802.1X then set the Radius Type to

Internal. For Authentication Method, select ‘staff’ from the list. This is the

method that you created in Section 5.2.5 on page 79.

3 Next, open the Configuration > Object > AP Profile > SSID > SSID List

screen and click the Add button.

4 The Add SSID Profile window opens.

4a Profile Name: Enter ‘staff’. 4b SSID: Enter ‘staff’. This is the wireless network name that appears when

wireless clients are looking for networks to join.

4c Security Profile: Selec t wap2 from the list. This is the security profile

created in Step 1a.

4d QoS: Select WMM. 4e Forwar ding Mode: Select Tunnel from the list. 4f VLAN Interface: Select vlan101 from the list, which you created in Section

5.2.3 on page 75.

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4g Click OK to save these settings.

5 Repeat steps 1 and 2. All settings are the same, except as follows:

5a Profile Name: Enter ‘guest’. 5b SSID: Enter ‘guest’. 5c VLAN Interface: Select vlan102 from the list.

6 Open the Configuration > Object> AP Profile > Radio screen and then click

the Add button.

7 The Add Radio Profile window opens.

7a Activate: Select this to make the radio profile active. 7b Profile Name: Enter ‘nxc5200’.

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7c Scroll down to MBSSID Settings. For item #1, select the staff SSID Profile.

For item #2, select the guest SSID profile. These are the two profiles you created in steps 1-3 of this procedure.

7d Click OK to save these settings. See Also: Chapter 25 on page 387.

5.2.7 Create the Guest User Account

This section shows you how to create a guest us er account. Guest users should log into the network with the following user name and password: guest1 / guest1.

1 Open the Configuration > Object > User/Group > User screen and click the

Add button.

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2 The Add A User window opens.

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2a User Name: Enter ‘guest1’. 2b Password: Enter ‘guest1’, then enter it again in the Retype field to confirm.

3 Click OK to save these settings.

5.2.8 Configure the Captive Portal Settings

This section shows you how to configure the NXC captive portal settings. This is the web page that appears whenever anyone connects to the guest SSID , and it is here where they can login using the guest credentials that you configured in

Section 5.2.7 on page 83.

1 Open the Configuration > Captive Portal screen.

2 Enable Captive Portal: Select this to turn on the captive portal feature for all

wireless networks managed by the NXC. Although enabled, it does not appear for all SSIDs; only those assigned to the feature.

3 Authentication Method: Select guest from the list. This is the Auth . Method

profile that you created in Section 5.2.5 on page 79.

4 Under Authentication Policy Summary, click the Add button.

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5 The Auth. Policy Edit window opens.

5a SSID Profile : S elec t guest from the list.

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5b Authentication: Select required from the list. See Also: Chapter 17 on page 239.

5.2.9 Configure the Guest Firewall Rules

Finally , configure the firewall rules required for regulating how guest users can use the network. There are 5 firewall rules that you will need to configure:

Table 21 Tutorial Firewall Rules

RULE USER SERVICE ACCESS

#1 guest1 deny #2 guest1 DNS_UDP allow #3 guest1 DNS_TCP allow #4 guest1 HTTP allow #5 guest1 HTTPS allow

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1 Open the Configuration > Firewall screen.

2 For each rule, click the Add button to open the Add Firewall Rule window.

3 Enter the settings for the specific firewall rule described in Table 21 on page 85.

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4 Click OK to save the firewall rule settings.

For example, to configure firewall rule #5:

1 Open the Configuration > Firewall screen and click the Add button.

2 The Add Firewall Rule window opens.

2a User: Select guest1 from the list. 2b Service: Select HTTPS from the list. 2c Access: Select allow from the list.

3 Click OK to sav e these settings. The new firewall rule now appears in the Firewall

Rules Summary table.

Note: For the purposes of this tutorial, the firewall rules can be created in any order

just so long as they use the settings presented here.

5.3 Blocking Network Protocols

The NXC’s firewall allows you to control which protocols are allowed on your wireless network. If the NXC is connected to an upstream Internet access device, then incoming traffic off the WAN should be filtered by that device’s firewall feature. However traffic coming into the NXC from wireless clients is not filtered until you configure its own firewall first.

5.3.1 Configuring the WLAN Zone

This section shows you how to configure the WLAN zone, which is necessary for implementing the firewall rules and Application Patrol rules.

1 Open the Configuration > Network > Zone screen.

2 Select WLAN from the User Configuration table and click the Edit button.

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3 The Add Zone window opens.

4 In Member List, select an interface from Available and add it to Member. For

the purposes of this tutorial, add staff and guest. These are the VIDs configured in Section 5.2.3 on page 75.

5 Click OK to save these settings.

5.3.2 Configuring the Firewall

This section shows you how to configure the firewall to block certain network protocols, such as AIM.

1 Click Configuration > Firewall.

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2 Click the Add button in the Firewall Rule Summary table.

2a User: Leave this as any to apply the rule to all users, or select a specific

subset of users, such as guest or staff.

2b Enable: Select this to make the firewall rule active. 2c Description: Enter a description for the rule that makes it easy to identify

later. For the purposes of this tutorial, enter ‘AIM Block’. (This field is entirely optional, so if you leave it blank there will be no adverse effects.)

2d Service: Select AIM from the list. 2e Access: Select reject from this list to block the service.

3 Click OK to save your cha n ges.

5.3.3 Blocking Sub-Protocols

Let’s say that instead of blocking all AIM traffi c, you want to only block the file transfer and video chat options for the various Instant Messenger programs used by employees, since those are fairly bandwidth intensive activities that maybe you don’t want to burden your wireless network. This tutorial shows you how to do that with the NXC’s Application Patrol feature.

1 Click Configuration > App Patrol > IM.

2 In the Configuration table, select aol-icq then click Edit.

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3 Select Enable Service.

4 In the Policy table, click Add.

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4a Enable Policy: Select this to make the policy active. 4b User: Select ad-users from the list, since for the purposes of this tutorial

only employees are authenticated by an external AD server (as configured in

Section 5.2.5 on page 79.)

4c From: Se lec t WLAN from the list (Section 5.3.1 on page 87). This means

only employees logging over the wireless network have this restriction applied to them.

4d Action Block: Select Video and File Transfer. This limits the restriction only

to video chat and file transfer requests.

5 Click OK to save your cha n ges.

5.4 Rogue AP Detection

Rogue APs are wireless access points interacting with the network managed b y the NXC but which are not under the control of the network administrator. In short, they are a security risk because they circumvent network security policy. AP detection only works when at least 1 AP is configured for Monitor mode.

The following are some suggestions on monitor AP placement:

• Neighboring companies that both support wireless network. If you can detect your neighbor’s APs and you know they are ‘friendly’, you can add them to the friendly exception list.

• Reception areas. If a reception area has a high volume of visitor traffic, it might be useful to see if anyone is setting up their wireless device as an AP.

• High security areas. An AP set to Monitor mode will let you see if any one sets up an unauthorized AP that could potentially compromise your security.

In this example, an employee illicitly connects his own AP (RG) to the network that the NXC manages. While not necessarily a malicious act, it can nonetheless have severe security consequences on the network.

Figure 22 Rogue AP Example A

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Here, an attacker sets up a rogue AP (RG) outside the network, which he uses in an attempt to mimic an NXC-controlled SSID in or der to capture passwords and other information when authorized wireless clients mistakenly connect to it.

Figure 23 Rogue AP Example B

This tutorial shows you how to detect rogue APs on your network:

1 Click Configuration > Object > MON Profile.

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2 Click the Add button.

When the Add Mon Profile window opens, configure the following:

Activate: Select this to allow your monitor APs to use this profile. Profile Name: For the purposes of this tutorial set this to ‘Monitor01’. Channel Dwell Time: Leave this as the default 100 milliseconds. This field is the

number of milliseconds that the monitor AP scans each channel before moving on to the next.

Scan Channel Mode: Set this to auto to automatically scan channels in the area.

3 Click OK to save your cha n ges.

4 Next, click Configuration > Wireless > AP Management.

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5 Select an AP and click Edit.

When the Edit AP List window opens, configur e the following:

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Radio 1 OP Mode: Set this to MON Mode to turn the AP into a rogue AP monitoring device.

Radio 1 Profile: Select your newly created ‘Monitor01’ profile from the list.

6 Click OK to save your cha n ges.

See also: Chapter 7 on page 115 and Chapter 26 on page 401.

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5.4.1 Rogue AP Containment

When the NXC discovers a rogue AP within its broadcast radius, it can react in one of two ways: If the rogue AP is connected directly to the network (such as plugged into a switch downstream of the NXC), then the network administrator must manually disconnect it. The NXC does not allow the isolation of a rogue AP connected directly to the network.

However, if a rogue AP independent of the NXC mimics a legitimate one, then the NXC can interfere with it by broadcasting dummy p ack ets so that it cannot mak es connections with employee clients and capture data from them.

Figure 24 Containing a Rogue AP

This tutorial shows you how to quarantine a rogue AP on your network:

1 Click Configuration > Wireless > MON Mode.

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2 Click the Add button.

When the Edit Rogue/Friendly AP List opens, paste the MAC address copied from the other screen in the corresponding field, set its Role as Rogue AP and then click OK to save your changes.

3 The new rogue AP appears in the Rogue/Friendly AP List.

Select it, then click the Containment button to quarantine it away from the rest of the network.

5.5 Load Balancing

When your AP becomes overl oaded, there are two basic responses it can tak e. The first one is to “delay” a client connection by withholding the connection until the data transfer throughput is lowered or the client connection is picked up by another AP. (If the client isn’t picked up after a set period of time, the AP allows it to connect regardless.) The second response is to kick the connections until the AP is no longer considered overloaded. Both of these tactics are known as ‘load balancing’.

This tutorial shows you how to configure the NXC’s load balancing feature.

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1 Click Configuration > Wireless > Load Balancing.

2 Select Enable Load Balancing to turn on this feature.

3 Set the Mode. If you choose By Station Number, then enter the Max Station

Number in the available field. This balanc es network tr affic based on the number of specified stations downstream of the NXC. If you choose By Traffic Level, then enter the traffic threshold at which the NXC starts balancing connected stations.

4 Select Disassociate station when overloaded to disconnect stations when the

load balancing threshold is crossed. The stations are first disconnected based on how long they have been idle, then secondly based on the weakness of their connection signal strength.

5 Click Apply to save your changes.

5.6 Dynamic Channel Selection

Dynamic Channel Selection (DCS) is a feature that allows an AP to automatically select the radio channel upon which it broadcasts by scanning the area around it and determining what channels are currently being used by other devices.

When numerous APs broadcast within a given area, they introduce the possibility of heightened radio interference, especially if some or all of them are broadcasting on the same radio channel. This can make accessing the network potentially rather difficult for the stations connected to them. If the interference becomes too great, then the network administrator must open his AP configuration options and manually change the channel to one that no other AP is using (or at least a channel that has a lower level of interference) in order to give the connected stations a minimum degree of channel interference.

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1 Click Configuration > Wireless > DCS.

2 Select Enable Dynamic Channel Selection to turn on this feature.

3 Set the DCS Time Interval. This is how often the NXC surveys the other APs

within its broadcast radius. If y ou place your APs in an area with a large number of competing APs, set this number lower to ensure that your device can adjust quickly changing conditions.

4 Select DCS Sensitivity Level. This is how sensitive the APs on your network are

to other channels. Generally, as long as the area in which your AP is located has minimal interference from other devices you can set the DCS Sensitivity Level to Low. This means that the AP has a very broad tolerance.

5 Select Enable DCS Client Aware. Select this so that the APs on y our network do

not change channels as long as any wireless clients are connected to them. When they must change channels, they will wait until all stations disconnect first.

6 Select a 2.4 GHz Channel Deployment scheme. Choose Three-Channel

Deployment to have the device rotate through 3 channels. Choose FourChannel Deployment to have the device rotate through 4 channels, if allowed.

7 Click Apply to save your changes.

Zyxel NXC5200 User Manual [ru]

Specifications and Main Features

Frequently Asked Questions

User Manual

NXC5200

About This User's Guide

Document Conventions

Safety Warnings

Table of Contents

User’s Guide

Introduction

1.1 Overview

1.2 Rack-mounted Installation

1.2.1 Rack-Mounted Installation Procedure

1.2.2 LAN Module Installation Procedure

1.3 Front and Back Panels

1.3.1 1000Base-T Ports

1.3.2 Optional Fiber Ports

1.3.3 Front Panel LEDs

1.4 Management Overview

1.5 Starting and Stopping the NXC

Features and Applications

2.1 Features

2.2 Applications

2.2.1 AP Management

2.2.2 Wireless Security

2.2.3 Captive Portal

2.2.4 Load Balancing

2.2.5 Dynamic Channel Selection

2.2.6 User-Aware Access Control

2.2.7 Device HA

The Web Configurator

3.1 Overview

3.2 Access

3.3 The Main Screen

3.3.1 Title Bar

3.3.2 Navigation Panel

3.3.3 Warning Messages

3.3.4 Site Map

3.3.5 Object Reference

3.3.6 Tables and Lists

Configuration Basics

4.1 Overview

4.2 Object-based Configuration

4.3 Zones, Interfaces, and Physical Ports

4.3.1 Interface Types

4.3.2 Example Interface and Zone Configuration

4.4 Feature Configuration Overview

4.4.1 Feature

4.4.2 Licensing Registration

4.4.3 Licensing Update

4.4.4 Wireless

4.4.5 Interface

4.4.6 Policy Routes

4.4.7 Static Routes

4.4.8 Zones

4.4.9 NAT

4.4.10 ALG

4.4.11 Captive Portal

4.4.12 Firewall

4.4.13 Application Patrol

4.4.14 Anti-Virus

4.4.15 IDP

4.4.16 ADP

4.4.17 Device HA

4.5 Objects

4.5.1 User/Group

4.5.2 AP Profile

4.5.3 MON Profile

4.6 System

4.6.1 DNS, WWW, SSH, TELNET, FTP, and SNMP

4.6.2 Logs and Reports

4.6.3 File Manager

4.6.4 Diagnostics

4.6.5 Shutdown

Tutorials

5.1 Overview

5.2 Sample Network Setup

5.2.1 Tutorial Tasks

5.2.2 Set the Management VLAN (vlan99)