ZyXEL Communications XGS-4728F User manual

www.zyxel.com

XGS-4728F

Intelligent Layer 3+ Switch

ZyXEL Communications Corporation

Firmware Version 3.90

Edition 2, 04/2010

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-4728F User’s Guide

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About This User's Guide

Intended Audience

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

web configurator.

Related Documentation

• Web Configurator Online Help

The embedded Web Help contains descriptions of individual screens and

supplementary information.

• Command Reference Guide

The Command Reference Guide explains how to use the Command-Line

Interface (CLI) and CLI commands to configure the Switch.

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

• Support Disc

Refer to the included CD for support documents.

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.

Need More Help?

More help is available at www.zyxel.com.

About This User's Guide

XGS-4728F User’s Guide

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• 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-4728F 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-4728F 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

XGS-4728F User’s Guide

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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.

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.

Safety Warnings

XGS-4728F User’s Guide

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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 ................................................................................................................. 55

Tutorials ..................................................................................................................................... 61

System Status and Port Statistics ..............................................................................................71

Basic Setting ............................................................................................................................. 77

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

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

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

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

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

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

Bandwidth Control ................................................................................................................... 145

Broadcast Storm Control .........................................................................................................149

Mirroring ..................................................................................................................................151

Link Aggregation ...................................................................................................................... 153

Port Authentication .................................................................................................................. 163

Port Security ............................................................................................................................ 169

Classifier .................................................................................................................................. 173

Policy Rule ..............................................................................................................................179

Queuing Method ......................................................................................................................187

VLAN Stacking ......................................................................................................................... 191

Multicast .................................................................................................................................. 199

AAA ......................................................................................................................................... 215

IP Source Guard ...................................................................................................................... 231

Loop Guard .............................................................................................................................. 255

VLAN Mapping ........................................................................................................................259

Layer 2 Protocol Tunneling ......................................................................................................263

Private VLAN ........................................................................................................................... 267

Contents Overview

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IP Application .......................................................................................................................271

Static Route ............................................................................................................................. 273

RIP ........................................................................................................................................... 275

OSPF ....................................................................................................................................... 277

IGMP ....................................................................................................................................... 291

DVMRP .................................................................................................................................... 295

Differentiated Services ............................................................................................................. 299

DHCP ...................................................................................................................................... 307

VRRP ....................................................................................................................................... 317

Management .........................................................................................................................327

Maintenance ............................................................................................................................ 329

Access Control ........................................................................................................................ 337

Diagnostic ................................................................................................................................357

Syslog ...................................................................................................................................... 359

Cluster Management ...............................................................................................................363

MAC Table ............................................................................................................................... 371

IP Table .................................................................................................................................... 375

ARP Table ................................................................................................................................ 379

Routing Table ........................................................................................................................... 381

Configure Clone ....................................................................................................................... 383

Troubleshooting & Product Specifications .......................................................................385

Troubleshooting ....................................................................................................................... 387

Product Specifications ............................................................................................................. 393

Appendices and Index .........................................................................................................403

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 Dual Personality Interfaces ........................................................................................ 35

3.1.2 1000Base-T Ports ...................................................................................................... 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 ................................................................ 41

3.2.3 Console Port .............................................................................................................41

3.3 LEDs ................................................................................................................................ 41

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 .......................................................................................... 51

4.4 Saving Your Configuration ................................................................................................... 51

4.5 Switch Lockout .................................................................................................................. 52

4.6 Resetting the Switch ......................................................................................................... 52

4.6.1 Reload the Configuration File .................................................................................... 52

4.7 Logging Out of the Web Configurator ................................................................................. 54

4.8 Help .................................................................................................................................... 54

Chapter 5

Initial Setup Example..............................................................................................................55

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

5.1.1 Configuring an IP Interface ........................................................................................ 55

5.1.2 Configuring DHCP Server Settings ............................................................................ 57

5.1.3 Creating a VLAN ........................................................................................................ 57

5.1.4 Setting Port VID .........................................................................................................59

5.1.5 Enabling RIP .............................................................................................................. 60

Chapter 6

Tutorials...................................................................................................................................61

6.1 How to Use DHCP Snooping on the Switch ........................................................................ 61

6.2 How to Use DHCP Relay on the Switch .............................................................................. 65

6.2.1 DHCP Relay Tutorial Introduction .............................................................................. 65

6.2.2 Creating a VLAN ........................................................................................................ 66

6.2.3 Configuring DHCP Relay ........................................................................................... 69

6.2.4 Troubleshooting ......................................................................................................... 69

Chapter 7

System Status and Port Statistics.........................................................................................71

7.1 Overview .............................................................................................................................. 71

7.2 Port Status Summary ...................................................................................................... 71

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7.2.1 Status: Port Details ................................................................................................73

Chapter 8

Basic Setting ..........................................................................................................................77

8.1 Overview .............................................................................................................................. 77

8.2 System Information ........................................................................................................... 78

8.3 General Setup ................................................................................................................. 80

8.4 Introduction to VLANs ......................................................................................................... 82

8.4.1 Smart Isolation ........................................................................................................... 83

8.5 Switch Setup Screen ..........................................................................................................84

8.6 IP Setup ............................................................................................................................ 86

8.6.1 IP Interfaces .............................................................................................................. 86

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 VLAN Status .............................................................................................................. 99

9.5.2 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

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

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 ..................................................................... 132

13.5 Rapid Spanning Tree Protocol Status ........................................................................... 134

13.6 Configure Multiple Rapid Spanning Tree Protocol ........................................................ 136

13.7 Multiple Rapid Spanning Tree Protocol Status .......................................................... 138

13.8 Configure Multiple Spanning Tree Protocol .................................................................. 140

13.9 Multiple Spanning Tree Protocol Status ..................................................................... 143

Chapter 14

Bandwidth Control................................................................................................................145

14.1 Bandwidth Control Overview ......................................................................................... 145

14.1.1 CIR and PIR ........................................................................................................... 145

14.2 Bandwidth Control Setup ................................................................................................. 146

Chapter 15

Broadcast Storm Control .....................................................................................................149

15.1 Broadcast Storm Control Setup ...................................................................................... 149

Chapter 16

Mirroring................................................................................................................................151

16.1 Port Mirroring Setup ....................................................................................................... 151

Chapter 17

Link Aggregation ..................................................................................................................153

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17.1 Link Aggregation Overview ............................................................................................. 153

17.2 Dynamic Link Aggregation .............................................................................................. 153

17.2.1 Link Aggregation ID ............................................................................................... 154

17.3 Link Aggregation Status ..................................................................................................155

17.4 Link Aggregation Setting ................................................................................................157

17.5 Link Aggregation Control Protocol ................................................................................159

17.6 Static Trunking Example ..................................................................................................160

Chapter 18

Port Authentication...............................................................................................................163

18.1 Port Authentication Overview ......................................................................................... 163

18.1.1 IEEE 802.1x Authentication ................................................................................... 163

18.1.2 MAC Authentication ............................................................................................... 164

18.2 Port Authentication Configuration .................................................................................... 165

18.2.1 Activate IEEE 802.1x Security ........................................................................... 166

18.2.2 Activate MAC Authentication ................................................................................. 167

Chapter 19

Port Security..........................................................................................................................169

19.1 About Port Security ..........................................................................................................169

19.2 Port Security Setup .......................................................................................................... 170

19.3 VLAN MAC Address Limit .............................................................................................. 171

Chapter 20

Classifier................................................................................................................................173

20.1 About the Classifier and QoS .......................................................................................... 173

20.2 Configuring the Classifier ...............................................................................................173

20.3 Viewing and Editing Classifier Configuration ................................................................... 176

20.4 Classifier Example ........................................................................................................... 178

Chapter 21

Policy Rule............................................................................................................................179

21.1 Policy Rules Overview ....................................................................................................179

21.1.1 DiffServ .................................................................................................................. 179

21.1.2 DSCP and Per-Hop Behavior .................................................................................179

21.2 Configuring Policy Rules ................................................................................................. 180

21.3 Viewing and Editing Policy Configuration ........................................................................ 183

21.4 Policy Example ................................................................................................................ 185

Chapter 22

Queuing Method....................................................................................................................187

22.1 Queuing Method Overview ............................................................................................. 187

22.1.1 Strictly Priority ........................................................................................................ 187

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22.1.2 Weighted Fair Queuing .......................................................................................... 187

22.1.3 Weighted Round Robin Scheduling (WRR) ........................................................... 188

22.2 Configuring Queuing ........................................................................................................189

Chapter 23

VLAN Stacking ......................................................................................................................191

23.1 VLAN Stacking Overview ................................................................................................ 191

23.1.1 VLAN Stacking Example ........................................................................................ 191

23.2 VLAN Stacking Port Roles ............................................................................................... 192

23.3 VLAN Tag Format ............................................................................................................193

23.3.1 Frame Format ........................................................................................................ 193

23.4 Configuring VLAN Stacking ............................................................................................. 194

23.4.1 Port-based Q-in-Q .................................................................................................. 195

23.4.2 Selective Q-in-Q .................................................................................................... 196

Chapter 24

Multicast ................................................................................................................................199

24.1 Multicast Overview .........................................................................................................199

24.1.1 IP Multicast Addresses ........................................................................................... 199

24.1.2 IGMP Filtering ........................................................................................................ 199

24.1.3 IGMP Snooping ..................................................................................................... 200

24.1.4 IGMP Snooping and VLANs ................................................................................... 200

24.2 Multicast Status .............................................................................................................. 200

24.3 Multicast Setting ............................................................................................................. 201

24.4 IGMP Snooping VLAN .................................................................................................... 203

24.5 IGMP Filtering Profile ..................................................................................................... 205

24.6 MVR Overview ................................................................................................................ 207

24.6.1 Types of MVR Ports ............................................................................................... 207

24.6.2 MVR Modes ........................................................................................................... 208

24.6.3 How MVR Works ....................................................................................................208

24.7 General MVR Configuration ............................................................................................ 209

24.8 MVR Group Configuration ...............................................................................................211

24.8.1 MVR Configuration Example .................................................................................. 212

Chapter 25

AAA........................................................................................................................................215

25.1 Authentication, Authorization and Accounting (AAA) ...................................................... 215

25.1.1 Local User Accounts .............................................................................................. 216

25.1.2 RADIUS and TACACS+ ........................................................................................ 216

25.2 AAA Screens ................................................................................................................... 216

25.2.1 RADIUS Server Setup .......................................................................................... 217

25.2.2 TACACS+ Server Setup ..................................................................................... 219

25.2.3 AAA Setup ..............................................................................................................221

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25.2.4 Vendor Specific Attribute ........................................................................................ 224

25.2.5 Tunnel Protocol Attribute ........................................................................................ 225

25.3 Supported RADIUS Attributes ......................................................................................... 226

25.3.1 Attributes Used for Authentication .......................................................................... 226

25.3.2 Attributes Used for Accounting ............................................................................... 227

Chapter 26

IP Source Guard....................................................................................................................231

26.1 IP Source Guard Overview .............................................................................................. 231

26.1.1 DHCP Snooping Overview .....................................................................................232

26.1.2 ARP Inspection Overview ...................................................................................... 234

26.2 IP Source Guard .............................................................................................................. 235

26.3 IP Source Guard Static Binding ....................................................................................... 236

26.4 DHCP Snooping .............................................................................................................. 238

26.5 DHCP Snooping Configure .............................................................................................. 241

26.5.1 DHCP Snooping Port Configure ............................................................................. 243

26.5.2 DHCP Snooping VLAN Configure .......................................................................... 244

26.6 ARP Inspection Status .....................................................................................................246

26.6.1 ARP Inspection VLAN Status .................................................................................247

26.6.2 ARP Inspection Log Status ....................................................................................248

26.7 ARP Inspection Configure ............................................................................................... 249

26.7.1 ARP Inspection Port Configure .............................................................................. 251

26.7.2 ARP Inspection VLAN Configure ........................................................................... 253

Chapter 27

Loop Guard............................................................................................................................255

27.1 Loop Guard Overview .....................................................................................................255

27.2 Loop Guard Setup ...........................................................................................................257

Chapter 28

VLAN Mapping ......................................................................................................................259

28.1 VLAN Mapping Overview ............................................................................................... 259

28.1.1 VLAN Mapping Example ........................................................................................ 259

28.2 Enabling VLAN Mapping ................................................................................................. 260

28.3 Configuring VLAN Mapping ............................................................................................. 261

Chapter 29

Layer 2 Protocol Tunneling..................................................................................................263

29.1 Layer 2 Protocol Tunneling Overview ............................................................................. 263

29.1.1 Layer 2 Protocol Tunneling Mode .......................................................................... 264

29.2 Configuring Layer 2 Protocol Tunneling .......................................................................... 265

Chapter 30

Private VLAN.........................................................................................................................267

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30.1 Private VLAN Overview .................................................................................................. 267

30.2 Configuring Private VLAN ................................................................................................ 268

Part IV: IP Application.......................................................................... 271

Chapter 31

Static Route...........................................................................................................................273

31.1 Configuring Static Routing ............................................................................................. 273

Chapter 32

RIP..........................................................................................................................................275

32.1 RIP Overview ................................................................................................................... 275

32.2 Configuring RIP ............................................................................................................... 275

Chapter 33

OSPF......................................................................................................................................277

33.1 OSPF Overview .............................................................................................................. 277

33.1.1 OSPF Autonomous Systems and Areas ................................................................ 277

33.1.2 How OSPF Works ..................................................................................................278

33.1.3 Interfaces and Virtual Links .................................................................................... 278

33.1.4 OSPF and Router Elections ................................................................................... 279

33.1.5 Configuring OSPF ................................................................................................. 279

33.2 OSPF Status .................................................................................................................280

33.3 OSPF Configuration .......................................................................................................282

33.4 Configure OSPF Areas ................................................................................................... 283

33.4.1 View OSPF Area Information Table ....................................................................... 284

33.5 Configuring OSPF Redistribution ................................................................................... 285

33.6 Configuring OSPF Interfaces .......................................................................................... 286

33.7 OSPF Virtual-Links ....................................................................................................... 288

Chapter 34

IGMP.......................................................................................................................................291

34.1 IGMP Overview ............................................................................................................... 291

34.1.1 How IGMP Works ...................................................................................................292

34.2 Port-based IGMP ............................................................................................................. 293

34.3 Configuring IGMP ............................................................................................................ 294

Chapter 35

DVMRP...................................................................................................................................295

35.1 DVMRP Overview ............................................................................................................295

35.2 How DVMRP Works ........................................................................................................295

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35.2.1 DVMRP Terminology ............................................................................................. 296

35.3 Configuring DVMRP .......................................................................................................296

35.3.1 DVMRP Configuration Error Messages ................................................................ 297

35.4 Default DVMRP Timer Values ........................................................................................ 298

Chapter 36

Differentiated Services.........................................................................................................299

36.1 DiffServ Overview ...........................................................................................................299

36.1.1 DSCP and Per-Hop Behavior .................................................................................299

36.1.2 DiffServ Network Example ....................................................................................300

36.2 Two Rate Three Color Marker Traffic Policing .................................................................300

36.2.1 TRTCM - Color-blind Mode .................................................................................... 301

36.2.2 TRTCM - Color-aware Mode .................................................................................. 301

36.3 Activating DiffServ .......................................................................................................... 302

36.3.1 Configuring 2-Rate 3 Color Marker Settings ......................................................... 303

36.4 DSCP-to-IEEE 802.1p Priority Settings ...................................................................... 305

36.4.1 Configuring DSCP Settings .................................................................................... 306

Chapter 37

DHCP......................................................................................................................................307

37.1 DHCP Overview .............................................................................................................307

37.1.1 DHCP Modes ........................................................................................................ 307

37.1.2 DHCP Configuration Options .................................................................................307

37.2 DHCP Status ................................................................................................................... 308

37.3 DHCP Server Status Detail ............................................................................................. 308

37.4 DHCP Relay ................................................................................................................... 310

37.4.1 DHCP Relay Agent Information ............................................................................. 310

37.4.2 Configuring DHCP Global Relay .............................................................................311

37.4.3 Global DHCP Relay Configuration Example ..........................................................312

37.5 Configuring DHCP VLAN Settings ................................................................................ 313

37.5.1 Example: DHCP Relay for Two VLANs .................................................................. 315

Chapter 38

VRRP......................................................................................................................................317

38.1 VRRP Overview .............................................................................................................. 317

38.2 VRRP Status .................................................................................................................... 318

38.3 VRRP Configuration .......................................................................................................319

38.3.1 IP Interface Setup ................................................................................................. 319

38.3.2 VRRP Parameters .................................................................................................321

38.3.3 Configuring VRRP Parameters .............................................................................. 322

38.3.4 Configuring VRRP Parameters .............................................................................. 323

38.4 VRRP Configuration Examples ...................................................................................... 323

38.4.1 One Subnet Network Example .............................................................................. 324

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38.4.2 Two Subnets Example ........................................................................................... 325

Part V: Management............................................................................. 327

Chapter 39

Maintenance..........................................................................................................................329

39.1 The Maintenance Screen ................................................................................................ 329

39.2 Load Factory Default ......................................................................................................330

39.3 Save Configuration ..........................................................................................................330

39.4 Reboot System ................................................................................................................331

39.5 Firmware Upgrade ...........................................................................................................331

39.6 Restore a Configuration File ............................................................................................ 332

39.7 Backup a Configuration File ............................................................................................ 333

39.8 FTP Command Line ........................................................................................................ 333

39.8.1 Filename Conventions ..........................................................................................333

39.8.2 FTP Command Line Procedure ............................................................................ 334

39.8.3 GUI-based FTP Clients .......................................................................................... 335

39.8.4 FTP Restrictions .................................................................................................... 335

Chapter 40

Access Control......................................................................................................................337

40.1 Access Control Overview ............................................................................................ 337

40.2 The Access Control Main Screen .................................................................................... 337

40.3 About SNMP .................................................................................................................. 338

40.3.1 SNMP v3 and Security ........................................................................................... 339

40.3.2 Supported MIBs ................................................................................................... 339

40.3.3 SNMP Traps .......................................................................................................... 340

40.3.4 Configuring SNMP .............................................................................................. 344

40.3.5 Configuring SNMP Trap Group ........................................................................... 346

40.3.6 Setting Up Login Accounts ................................................................................... 347

40.4 SSH Overview .................................................................................................................348

40.5 How SSH works ............................................................................................................... 349

40.6 SSH Implementation on the Switch ................................................................................. 350

40.6.1 Requirements for Using SSH ................................................................................. 350

40.7 Introduction to HTTPS .....................................................................................................350

40.8 HTTPS Example ..............................................................................................................351

40.8.1 Internet Explorer Warning Messages ..................................................................... 351

40.8.2 Netscape Navigator Warning Messages ................................................................ 352

40.8.3 The Main Screen .................................................................................................... 354

40.9 Service Port Access Control .........................................................................................354

40.10 Remote Management ............................................................................................... 355

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ZyXEL Communications XGS-4728F User manual

ZyXEL Communications XGS-4728F User manual

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