ZyXEL XGS-4526 User guide

www.zyxel.com

XGS-4526

Intelligent Layer 3+ Switch

ZyXEL Communications Corporation

Firmware Version 3.90

Edition 1, 7/2009

Default Login Details

IP Address http://192.168.0.1

(Out-of-band

MGMT port)

http://192.168.1.1

(In-band ports)

User Name admin

Password 1234

About This User's Guide

XGS-4526 User’s Guide

3

About This User's Guide

Intended Audience

This manual is intended for people who want to configure the Switch using the

web configurator or via commands. You should have at least a basic knowledge of

TCP/IP networking concepts and topology.

Related Documentation

• Web Configurator Online Help

Embedded web help for descriptions of individual screens and supplementary

information.

Note: It is recommended you use the web configurator to configure the Switch.

• Supporting Disc

Refer to the included CD for support documents.

• ZyXEL Web Site

Please refer to www.zyxel.com

for additional support documentation and

product certifications.

Documentation Feedback

Send your comments, questions or suggestions to: [email protected]

Thank you!

The Technical Writing Team, ZyXEL Communications Corp.,

6 Innovation Road II, Science-Based Industrial Park, Hsinchu, 30099, Taiwan.

About This User's Guide

XGS-4526 User’s Guide

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Need More Help?

More help is available at www.zyxel.com.

• Download Library

Search for the latest product updates and documentation from this link. Read

the Tech Doc Overview to find out how to efficiently use the User Guide, Quick

Start Guide and Command Line Interface Reference Guide in order to better

understand how to use your product.

• Knowledge Base

If you have a specific question about your product, the answer may be here.

This is a collection of answers to previously asked questions about ZyXEL

products.

•Forum

This contains discussions on ZyXEL products. Learn from others who use ZyXEL

products and share your experiences as well.

Customer Support

Should problems arise that cannot be solved by the methods listed above, you

should contact your vendor. If you cannot contact your vendor, then contact a

ZyXEL office for the region in which you bought the device.

See http://www.zyxel.com/web/contact_us.php for contact information. Please

have the following information ready when you contact an office.

• Product model and serial number.

•Warranty Information.

• Date that you received your device.

• Brief description of the problem and the steps you took to solve it.

Document Conventions

XGS-4526 User’s Guide

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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 XGS-4526 may be referred to as the “Switch”, 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.

• A key stroke is denoted by square brackets and uppercase text, for example,

[ENTER] means the “enter” or “return” 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.

Document Conventions

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Icons Used in Figures

Figures in this User’s Guide may use the following generic icons. The Switch icon is

not an exact representation of your device.

The Switch Computer Notebook computer

Server DSLAM Firewall

Telephone Switch Router

Safety Warnings

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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.

• For continued protection against risk of fire replace only with same type and rating of

fuse.

• 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.

• 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 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.

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

device.

This product is recyclable. Dispose of it properly.

Safety Warnings

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Contents Overview

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Contents Overview

Introduction ............................................................................................................................23

Getting to Know Your Switch ..................................................................................................... 25

Hardware Installation and Connection ....................................................................................... 31

Hardware Overview ................................................................................................................... 35

Basic Configuration ...............................................................................................................43

The Web Configurator ............................................................................................................... 45

Initial Setup Example ................................................................................................................. 57

Tutorials ..................................................................................................................................... 63

System Status and Port Statistics ..............................................................................................73

Basic Setting ............................................................................................................................. 79

Advanced Setup .....................................................................................................................93

VLAN ......................................................................................................................................... 95

Static MAC Forward Setup .......................................................................................................115

Static Multicast Forward Setup .................................................................................................119

Filtering .................................................................................................................................... 123

Spanning Tree Protocol ...........................................................................................................125

Bandwidth Control ................................................................................................................... 147

Broadcast Storm Control .........................................................................................................151

Mirroring ..................................................................................................................................155

Link Aggregation ...................................................................................................................... 157

Port Authentication .................................................................................................................. 167

Port Security ............................................................................................................................ 173

Classifier .................................................................................................................................. 179

Policy Rule ..............................................................................................................................185

Queuing Method ......................................................................................................................193

VLAN Stacking ......................................................................................................................... 197

Multicast .................................................................................................................................. 207

AAA ......................................................................................................................................... 223

IP Source Guard ...................................................................................................................... 239

Loop Guard .............................................................................................................................. 265

VLAN Mapping ........................................................................................................................269

Layer 2 Protocol Tunneling ......................................................................................................273

IP Application .......................................................................................................................279

Static Route ............................................................................................................................. 281

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RIP ........................................................................................................................................... 283

OSPF ....................................................................................................................................... 285

IGMP ....................................................................................................................................... 299

DVMRP .................................................................................................................................... 303

Differentiated Services ............................................................................................................. 307

DHCP ...................................................................................................................................... 315

VRRP ....................................................................................................................................... 325

Management .........................................................................................................................335

Maintenance ............................................................................................................................ 337

Access Control ........................................................................................................................ 345

Diagnostic ................................................................................................................................367

Syslog ...................................................................................................................................... 369

Cluster Management ...............................................................................................................373

MAC Table ............................................................................................................................... 381

IP Table .................................................................................................................................... 385

ARP Table ................................................................................................................................ 389

Routing Table ........................................................................................................................... 391

Configure Clone ....................................................................................................................... 393

Troubleshooting & Product Specifications .......................................................................395

Troubleshooting ....................................................................................................................... 397

Product Specifications ............................................................................................................. 407

Appendices and Index .........................................................................................................417

Table of Contents

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Table of Contents

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

Document Conventions............................................................................................................5

Safety Warnings........................................................................................................................7

Contents Overview ...................................................................................................................9

Table of Contents....................................................................................................................11

Part I: Introduction................................................................................. 23

Chapter 1

Getting to Know Your Switch.................................................................................................25

1.1 Introduction .......................................................................................................................... 25

1.1.1 Bridging Example ....................................................................................................... 25

1.1.2 High Performance Switching Example ....................................................................... 26

1.1.3 Gigabit Ethernet to the Desktop ................................................................................. 27

1.1.4 IEEE 802.1Q VLAN Application Example .................................................................. 27

1.2 Ways to Manage the Switch ................................................................................................ 28

1.3 Good Habits for Managing the Switch ................................................................................. 28

Chapter 2

Hardware Installation and Connection .................................................................................31

2.1 Freestanding Installation ..................................................................................................... 31

2.2 Mounting the Switch on a Rack .......................................................................................... 32

2.2.1 Rack-mounted Installation Requirements .................................................................. 32

2.2.2 Attaching the Mounting Brackets to the Switch .......................................................... 32

2.2.3 Mounting the Switch on a Rack .................................................................................. 33

Chapter 3

Hardware Overview.................................................................................................................35

3.1 Front Panel Connections .................................................................................................... 35

3.1.1 1000Base-T Ports ...................................................................................................... 36

3.1.2 Dual Personality Interfaces ........................................................................................ 36

3.1.3 Mini-GBIC Slots .........................................................................................................36

3.2 Rear Panel ........................................................................................................................... 38

3.2.1 Power Connector ....................................................................................................... 39

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3.2.2 External Backup Power Supply Connector ................................................................ 39

3.2.3 Console Port .............................................................................................................39

3.3 LEDs ................................................................................................................................ 40

Part II: Basic Configuration................................................................... 43

Chapter 4

The Web Configurator............................................................................................................45

4.1 Introduction .......................................................................................................................... 45

4.2 System Login .................................................................................................................... 45

4.3 The Status Screen .......................................................................................................... 46

4.3.1 Change Your Password .......................................................................................... 53

4.4 Saving Your Configuration ................................................................................................... 53

4.5 Switch Lockout .................................................................................................................. 53

4.6 Resetting the Switch ......................................................................................................... 54

4.6.1 Reload the Configuration File .................................................................................... 54

4.7 Logging Out of the Web Configurator ................................................................................. 55

4.8 Help .................................................................................................................................... 56

Chapter 5

Initial Setup Example..............................................................................................................57

5.1 Overview .............................................................................................................................. 57

5.1.1 Configuring an IP Interface ........................................................................................ 57

5.1.2 Configuring DHCP Server Settings ............................................................................ 59

5.1.3 Creating a VLAN ........................................................................................................ 59

5.1.4 Setting Port VID .........................................................................................................61

5.1.5 Enabling RIP .............................................................................................................. 62

Chapter 6

Tutorials...................................................................................................................................63

6.1 How to Use DHCP Snooping on the Switch ........................................................................ 63

6.2 How to Use DHCP Relay on the Switch .............................................................................. 67

6.2.1 DHCP Relay Tutorial Introduction .............................................................................. 67

6.2.2 Creating a VLAN ........................................................................................................ 68

6.2.3 Configuring DHCP Relay ........................................................................................... 70

6.2.4 Troubleshooting ......................................................................................................... 71

Chapter 7

System Status and Port Statistics.........................................................................................73

7.1 Overview .............................................................................................................................. 73

7.2 Port Status Summary ...................................................................................................... 73

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7.2.1 Status: Port Details ................................................................................................75

Chapter 8

Basic Setting ..........................................................................................................................79

8.1 Overview .............................................................................................................................. 79

8.2 System Information ........................................................................................................... 80

8.3 General Setup ................................................................................................................. 82

8.4 Introduction to VLANs ......................................................................................................... 84

8.5 Switch Setup Screen ........................................................................................................ 85

8.6 IP Setup ............................................................................................................................ 87

8.6.1 IP Interfaces .............................................................................................................. 87

8.7 Port Setup ........................................................................................................................... 89

Part III: Advanced Setup........................................................................ 93

Chapter 9

VLAN........................................................................................................................................95

9.1 Introduction to IEEE 802.1Q Tagged VLANs .................................................................. 95

9.1.1 Forwarding Tagged and Untagged Frames ................................................................ 95

9.2 Automatic VLAN Registration ............................................................................................. 96

9.2.1 GARP .........................................................................................................................96

9.2.2 GVRP .........................................................................................................................96

9.3 Port VLAN Trunking ............................................................................................................ 97

9.4 Select the VLAN Type ........................................................................................................ 98

9.5 Static VLAN ......................................................................................................................... 98

9.5.1 Static VLAN Status .................................................................................................... 99

9.5.2 Static VLAN Details ................................................................................................. 100

9.5.3 Configure a Static VLAN ......................................................................................100

9.5.4 Configure VLAN Port Settings .............................................................................. 102

9.6 Subnet Based VLANs .......................................................................................................103

9.7 Configuring Subnet Based VLAN .................................................................................... 104

9.8 Protocol Based VLANs ..................................................................................................... 106

9.9 Configuring Protocol Based VLAN .................................................................................. 107

9.10 Create an IP-based VLAN Example ................................................................................ 109

9.11 Port-based VLAN Setup ...............................................................................................110

9.11.1 Configure a Port-based VLAN ................................................................................110

Chapter 10

Static MAC Forward Setup...................................................................................................115

10.1 Overview ...........................................................................................................................115

10.2 Configuring Static MAC Forwarding ...............................................................................115

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Chapter 11

Static Multicast Forward Setup............................................................................................119

11.1 Static Multicast Forwarding Overview ...............................................................................119

11.2 Configuring Static Multicast Forwarding ........................................................................... 120

Chapter 12

Filtering..................................................................................................................................123

12.1 Configure a Filtering Rule .............................................................................................123

Chapter 13

Spanning Tree Protocol........................................................................................................125

13.1 STP/RSTP Overview ..................................................................................................... 125

13.1.1 STP Terminology ...................................................................................................125

13.1.2 How STP Works ....................................................................................................126

13.1.3 STP Port States .....................................................................................................127

13.1.4 Multiple RSTP ......................................................................................................127

13.1.5 Multiple STP ........................................................................................................... 128

13.2 Spanning Tree Protocol Status Screen ............................................................................ 131

13.3 Spanning Tree Configuration ..........................................................................................131

13.4 Configure Rapid Spanning Tree Protocol ..................................................................... 133

13.5 Rapid Spanning Tree Protocol Status ........................................................................ 135

13.6 Configure Multiple Rapid Spanning Tree Protocol ........................................................ 137

13.7 Multiple Rapid Spanning Tree Protocol Status ............................................................. 139

13.8 Configure Multiple Spanning Tree Protocol .................................................................. 141

13.9 Multiple Spanning Tree Protocol Status ........................................................................ 144

Chapter 14

Bandwidth Control................................................................................................................147

14.1 Bandwidth Control Overview ........................................................................................... 147

14.1.1 CIR and PIR ........................................................................................................... 147

14.2 Bandwidth Control Setup ................................................................................................. 148

Chapter 15

Broadcast Storm Control .....................................................................................................151

15.1 Broadcast Storm Control Setup ...................................................................................... 151

Chapter 16

Mirroring................................................................................................................................155

16.1 Port Mirroring Setup ....................................................................................................... 155

Chapter 17

Link Aggregation ..................................................................................................................157

17.1 Link Aggregation Overview ............................................................................................. 157

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17.2 Dynamic Link Aggregation .............................................................................................. 157

17.2.1 Link Aggregation ID ............................................................................................... 158

17.3 Link Aggregation Status ..................................................................................................159

17.4 Link Aggregation Setting ................................................................................................161

17.5 Link Aggregation Control Protocol ................................................................................163

17.6 Static Trunking Example ..................................................................................................164

Chapter 18

Port Authentication...............................................................................................................167

18.1 Port Authentication Overview ......................................................................................... 167

18.1.1 IEEE 802.1x Authentication ................................................................................... 167

18.1.2 MAC Authentication ............................................................................................... 168

18.2 Port Authentication Configuration .................................................................................... 169

18.2.1 Activate IEEE 802.1x Security ........................................................................... 170

18.2.2 Activate MAC Authentication ................................................................................. 171

Chapter 19

Port Security..........................................................................................................................173

19.1 About Port Security .........................................................................................................173

19.2 Port Security Setup .......................................................................................................... 174

19.3 VLAN MAC Address Limit .............................................................................................. 176

Chapter 20

Classifier................................................................................................................................179

20.1 About the Classifier and QoS .......................................................................................... 179

20.2 Configuring the Classifier ...............................................................................................179

20.3 Viewing and Editing Classifier Configuration ................................................................... 182

20.4 Classifier Example ........................................................................................................... 184

Chapter 21

Policy Rule............................................................................................................................185

21.1 Policy Rules Overview ....................................................................................................185

21.1.1 DiffServ .................................................................................................................. 185

21.1.2 DSCP and Per-Hop Behavior .................................................................................185

21.2 Configuring Policy Rules ................................................................................................. 186

21.3 Viewing and Editing Policy Configuration ........................................................................ 189

21.4 Policy Example ................................................................................................................ 191

Chapter 22

Queuing Method....................................................................................................................193

22.1 Queuing Method Overview ............................................................................................. 193

22.1.1 Strictly Priority ........................................................................................................ 193

22.1.2 Weighted Fair Queuing .......................................................................................... 193

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22.1.3 Weighted Round Robin Scheduling (WRR) ........................................................... 194

22.2 Configuring Queuing ........................................................................................................195

Chapter 23

VLAN Stacking ......................................................................................................................197

23.1 VLAN Stacking Overview ................................................................................................ 197

23.1.1 VLAN Stacking Example ........................................................................................ 197

23.2 VLAN Stacking Port Roles ............................................................................................... 198

23.3 VLAN Tag Format ............................................................................................................199

23.3.1 Frame Format ........................................................................................................ 199

23.4 Configuring VLAN Stacking ............................................................................................. 201

23.4.1 Port-based Q-in-Q .................................................................................................. 202

23.4.2 Selective Q-in-Q .................................................................................................... 203

Chapter 24

Multicast ................................................................................................................................207

24.1 Multicast Overview .........................................................................................................207

24.1.1 IP Multicast Addresses ........................................................................................... 207

24.1.2 IGMP Filtering ........................................................................................................ 207

24.1.3 IGMP Snooping ..................................................................................................... 208

24.1.4 IGMP Snooping and VLANs ................................................................................... 208

24.2 Multicast Status .............................................................................................................. 208

24.3 Multicast Setting ............................................................................................................. 209

24.4 IGMP Snooping VLAN .................................................................................................... 212

24.5 IGMP Filtering Profile ..................................................................................................... 213

24.6 MVR Overview ................................................................................................................ 215

24.6.1 Types of MVR Ports ............................................................................................... 215

24.6.2 MVR Modes ........................................................................................................... 216

24.6.3 How MVR Works ....................................................................................................216

24.7 General MVR Configuration ............................................................................................ 217

24.8 MVR Group Configuration .............................................................................................. 219

24.8.1 MVR Configuration Example .................................................................................. 220

Chapter 25

AAA........................................................................................................................................223

25.1 Authentication, Authorization and Accounting (AAA) ...................................................... 223

25.1.1 Local User Accounts .............................................................................................. 224

25.1.2 RADIUS and TACACS+ ........................................................................................ 224

25.2 AAA Screens ................................................................................................................... 224

25.2.1 RADIUS Server Setup ........................................................................................ 225

25.2.2 TACACS+ Server Setup ..................................................................................... 227

25.2.3 AAA Setup ...........................................................................................................229

25.2.4 Vendor Specific Attribute ........................................................................................ 232

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25.2.5 Tunnel Protocol Attribute ........................................................................................ 233

25.3 Supported RADIUS Attributes ......................................................................................... 234

25.3.1 Attributes Used for Authentication .......................................................................... 234

25.3.2 Attributes Used for Accounting ............................................................................... 235

Chapter 26

IP Source Guard....................................................................................................................239

26.1 IP Source Guard Overview .............................................................................................. 239

26.1.1 DHCP Snooping Overview .....................................................................................240

26.1.2 ARP Inspection Overview ...................................................................................... 242

26.2 IP Source Guard .............................................................................................................. 243

26.3 IP Source Guard Static Binding ....................................................................................... 244

26.4 DHCP Snooping .............................................................................................................. 247

26.5 DHCP Snooping Configure .............................................................................................. 251

26.5.1 DHCP Snooping Port Configure ............................................................................. 253

26.5.2 DHCP Snooping VLAN Configure .......................................................................... 254

26.6 ARP Inspection Status .....................................................................................................256

26.6.1 ARP Inspection VLAN Status .................................................................................257

26.6.2 ARP Inspection Log Status ....................................................................................258

26.7 ARP Inspection Configure ............................................................................................... 259

26.7.1 ARP Inspection Port Configure .............................................................................. 261

26.7.2 ARP Inspection VLAN Configure ........................................................................... 263

Chapter 27

Loop Guard............................................................................................................................265

27.1 Loop Guard Overview .....................................................................................................265

27.2 Loop Guard Setup ...........................................................................................................267

Chapter 28

VLAN Mapping ......................................................................................................................269

28.1 VLAN Mapping Overview ............................................................................................... 269

28.1.1 VLAN Mapping Example ........................................................................................ 269

28.2 Enabling VLAN Mapping ................................................................................................. 270

28.3 Configuring VLAN Mapping ............................................................................................. 271

Chapter 29

Layer 2 Protocol Tunneling..................................................................................................273

29.1 Layer 2 Protocol Tunneling Overview ............................................................................. 273

29.1.1 Layer 2 Protocol Tunneling Mode .......................................................................... 274

29.2 Configuring Layer 2 Protocol Tunneling .......................................................................... 275

Part IV: IP Application.......................................................................... 279

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Chapter 30

Static Route...........................................................................................................................281

30.1 Configuring Static Routing ............................................................................................. 281

Chapter 31

RIP..........................................................................................................................................283

31.1 RIP Overview ................................................................................................................... 283

31.2 Configuring RIP ............................................................................................................... 283

Chapter 32

OSPF......................................................................................................................................285

32.1 OSPF Overview .............................................................................................................. 285

32.1.1 OSPF Autonomous Systems and Areas ................................................................ 285

32.1.2 How OSPF Works ..................................................................................................286

32.1.3 Interfaces and Virtual Links .................................................................................... 286

32.1.4 OSPF and Router Elections ................................................................................... 287

32.1.5 Configuring OSPF ................................................................................................. 287

32.2 OSPF Status .................................................................................................................288

32.3 OSPF Configuration .......................................................................................................290

32.4 Configure OSPF Areas ................................................................................................... 290

32.4.1 View OSPF Area Information Table ....................................................................... 292

32.5 Configuring OSPF Redistribution ................................................................................... 292

32.6 Configuring OSPF Interfaces ........................................................................................ 294

32.7 OSPF Virtual-Links ....................................................................................................... 296

Chapter 33

IGMP.......................................................................................................................................299

33.1 IGMP Overview ............................................................................................................... 299

33.1.1 How IGMP Works ...................................................................................................300

33.2 Port-based IGMP ............................................................................................................. 301

33.3 Configuring IGMP ............................................................................................................ 302

Chapter 34

DVMRP...................................................................................................................................303

34.1 DVMRP Overview ............................................................................................................303

34.2 How DVMRP Works ........................................................................................................303

34.2.1 DVMRP Terminology ............................................................................................. 304

34.3 Configuring DVMRP .......................................................................................................304

34.3.1 DVMRP Configuration Error Messages ................................................................ 305

34.4 Default DVMRP Timer Values ........................................................................................ 306

Chapter 35

Differentiated Services.........................................................................................................307

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35.1 DiffServ Overview ...........................................................................................................307

35.1.1 DSCP and Per-Hop Behavior .................................................................................307

35.1.2 DiffServ Network Example ....................................................................................308

35.2 Two Rate Three Color Marker Traffic Policing .................................................................308

35.2.1 TRTCM - Color-blind Mode .................................................................................... 309

35.2.2 TRTCM - Color-aware Mode .................................................................................. 309

35.3 Activating DiffServ .......................................................................................................... 310

35.3.1 Configuring 2-Rate 3 Color Marker Settings ..........................................................311

35.4 DSCP-to-IEEE 802.1p Priority Settings ...................................................................... 313

35.4.1 Configuring DSCP Settings .................................................................................... 314

Chapter 36

DHCP......................................................................................................................................315

36.1 DHCP Overview .............................................................................................................315

36.1.1 DHCP Modes ........................................................................................................ 315

36.1.2 DHCP Configuration Options .................................................................................315

36.2 DHCP Status ................................................................................................................... 316

36.3 DHCP Server Status Detail ............................................................................................. 316

36.4 DHCP Relay ................................................................................................................... 318

36.4.1 DHCP Relay Agent Information ............................................................................. 318

36.4.2 Configuring DHCP Global Relay ............................................................................ 319

36.4.3 Global DHCP Relay Configuration Example ..........................................................320

36.5 Configuring DHCP VLAN Settings ................................................................................ 321

36.5.1 Example: DHCP Relay for Two VLANs .................................................................. 323

Chapter 37

VRRP......................................................................................................................................325

37.1 VRRP Overview .............................................................................................................. 325

37.2 VRRP Status .................................................................................................................. 326

37.3 VRRP Configuration .......................................................................................................327

37.3.1 IP Interface Setup ................................................................................................. 327

37.3.2 VRRP Parameters .................................................................................................329

37.3.3 Configuring VRRP Parameters .............................................................................. 330

37.3.4 Configuring VRRP Parameters .............................................................................. 331

37.4 VRRP Configuration Examples ...................................................................................... 331

37.4.1 One Subnet Network Example .............................................................................. 332

37.4.2 Two Subnets Example ........................................................................................... 333

Part V: Management............................................................................. 335

Chapter 38

Maintenance..........................................................................................................................337

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38.1 The Maintenance Screen ............................................................................................... 337

38.2 Load Factory Default ......................................................................................................338

38.3 Save Configuration ..........................................................................................................339

38.4 Reboot System ................................................................................................................339

38.5 Firmware Upgrade ...........................................................................................................339

38.6 Restore a Configuration File .........................................................................................340

38.7 Backup a Configuration File ......................................................................................... 341

38.8 FTP Command Line ........................................................................................................ 341

38.8.1 Filename Conventions ..........................................................................................341

38.8.2 FTP Command Line Procedure ............................................................................ 342

38.8.3 GUI-based FTP Clients .......................................................................................... 343

38.8.4 FTP Restrictions .................................................................................................... 343

Chapter 39

Access Control......................................................................................................................345

39.1 Access Control Overview ............................................................................................ 345

39.2 The Access Control Main Screen .................................................................................... 345

39.3 About SNMP .................................................................................................................. 346

39.3.1 SNMP v3 and Security ........................................................................................... 347

39.3.2 Supported MIBs ................................................................................................... 347

39.3.3 SNMP Traps ........................................................................................................... 348

39.3.4 Configuring SNMP .............................................................................................. 352

39.3.5 Configuring SNMP Trap Group ........................................................................... 354

39.3.6 Setting Up Login Accounts ................................................................................. 355

39.4 SSH Overview .................................................................................................................357

39.5 How SSH works ............................................................................................................... 358

39.6 SSH Implementation on the Switch ................................................................................. 359

39.6.1 Requirements for Using SSH ................................................................................. 359

39.7 Introduction to HTTPS .....................................................................................................359

39.8 HTTPS Example ..............................................................................................................360

39.8.1 Internet Explorer Warning Messages ..................................................................... 360

39.8.2 Netscape Navigator Warning Messages ................................................................ 361

39.8.3 The Main Screen .................................................................................................... 363

39.9 Service Port Access Control .........................................................................................363

39.10 Remote Management ............................................................................................... 364

Chapter 40

Diagnostic..............................................................................................................................367

40.1 Diagnostic ....................................................................................................................... 367

Chapter 41

Syslog....................................................................................................................................369

41.1 Syslog Overview .............................................................................................................. 369

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ZyXEL XGS-4526 User guide

ZyXEL XGS-4526 User guide

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