ZyXEL VMG3925-B10C User guide

Default Login Details

User’s Guide

VMG3925-B10C/B30C

Dual-Band Wireless AC/N VDSL2 Combo WAN Gateway

LAN IP Address http://192.168.1.1

User Name admin

Password See the device label

Version 5.13 Edition 1, 03/2018

VMG3925-B10C/B30C User’s Guide

2

IMPORTANT!

READ CAREFULLY BEFORE USE.

KEEP THIS GUIDE FOR FUTURE REFERENCE.

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

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

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

in this manual is accurate.

Related Documentation

•Quick Start Guide

The Quick Start Guide shows how to connect the VMG and access the Web Configurator.

•More Information

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

.

VMG3925-B10C/B30C User’s Guide

3

Document Conventions

Warnings and Notes

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

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

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

configure or helpful tips) or recommendations.

Syntax Conventions

• The VMG3925-B10/30C may be referred to as the “VMG” in this guide.

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

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

> Broadband means you first click Network Setting in the navigation panel, then the Broadband sub

menu to get to that screen.

Icons Used in Figures

Figures in this user guide may use the following generic icons. The VMG icon is not an exact

representation of your device.

VMG Generic Router Wireless Router / Access Point

Switch Firewall USB Storage Device

Server Cell Tower Printer

DSL

Contents Overview

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Contents Overview

User’s Guide ......................................................................................................................................16

Introducing the VMG ........................................................................................................................... 17

The Web Configurator ......................................................................................................................... 26

Quick Start ............................................................................................................................................. 33

Tutorials .................................................................................................................................................. 35

Technical Reference ........................................................................................................................69

Network Map and Status Screens ...................................................................................................... 70

Broadband ............................................................................................................................................ 75

Wireless ................................................................................................................................................... 99

Home Networking ............................................................................................................................... 128

Routing ................................................................................................................................................. 145

Quality of Service (QoS) .................................................................................................................... 153

Network Address Translation (NAT) ................................................................................................... 171

Dynamic DNS Setup ........................................................................................................................... 188

IGMP/MLD ........................................................................................................................................... 192

Vlan Group .......................................................................................................................................... 195

Interface Group .................................................................................................................................. 198

USB Service .......................................................................................................................................... 203

Firewall ................................................................................................................................................. 209

MAC Filter ............................................................................................................................................ 217

Parental Control ................................................................................................................................. 219

Scheduler Rule .................................................................................................................................... 224

Certificates .......................................................................................................................................... 226

Log ....................................................................................................................................................... 233

Traffic Status ....................................................................................................................................... 236

ARP Table ............................................................................................................................................ 240

Routing Table ...................................................................................................................................... 242

Multicast Status .................................................................................................................................. 244

xDSL Statistics ....................................................................................................................................... 246

WLAN Station Status ........................................................................................................................... 248

Cellular Statistics ................................................................................................................................ 250

System .................................................................................................................................................. 252

User Account ...................................................................................................................................... 253

Remote Management ....................................................................................................................... 255

SNMP .................................................................................................................................................... 258

Time Settings ........................................................................................................................................ 260

E-mail Notification .............................................................................................................................. 262

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Log Setting .......................................................................................................................................... 264

Firmware Upgrade .............................................................................................................................. 267

Backup Restore ................................................................................................................................... 270

Diagnostic ........................................................................................................................................... 273

Troubleshooting .................................................................................................................................. 280

Appendices .....................................................................................................................................287

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Table of Contents

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

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

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

Part I: User’s Guide..........................................................................................16

Chapter 1

Introducing the VMG.........................................................................................................................17

1.1 Overview ......................................................................................................................................... 17

1.1.1 Internet Access ...................................................................................................................... 17

1.1.2 Wireless Access ...................................................................................................................... 18

1.1.3 VMG’s USB Support ............................................................................................................... 19

1.2 Ways to Manage the VMG ........................................................................................................... 20

1.3 Good Habits for Managing the VMG .......................................................................................... 21

1.4 Hardware ......................................................................................................................................... 21

1.4.1 Front Panel ............................................................................................................................. 21

1.4.2 LEDs (Lights) ........................................................................................................................... 21

1.4.3 Side Panel .............................................................................................................................. 23

1.4.4 Using the WLAN and WPS Buttons ....................................................................................... 24

1.4.5 Rear Panel .............................................................................................................................. 24

1.4.6 The RESET Button .................................................................................................................... 25

Chapter 2

The Web Configurator........................................................................................................................26

2.1 Overview ......................................................................................................................................... 26

2.1.1 Accessing the Web Configurator ....................................................................................... 26

2.2 Web Configurator Layout .............................................................................................................. 28

2.2.1 Title Bar ................................................................................................................................... 28

2.2.2 Navigation Panel .................................................................................................................. 29

Chapter 3

Quick Start..........................................................................................................................................33

3.1 Overview ......................................................................................................................................... 33

3.2 Quick Start Setup ............................................................................................................................ 33

Chapter 4

Tutorials...............................................................................................................................................35

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4.1 Overview ......................................................................................................................................... 35

4.2 Setting Up an ADSL PPPoE Connection ....................................................................................... 35

4.3 Setting Up a Secure Wireless Network .......................................................................................... 38

4.3.1 Configuring the Wireless Network Settings ......................................................................... 38

4.3.2 Using WPS ............................................................................................................................... 40

4.3.3 Connecting to the VMG’s Wi-Fi Network Manually (No WPS) ......................................... 43

4.3.4 Configuring Wireless Security on the VMG ......................................................................... 44

4.3.5 Configure Your Notebook .................................................................................................... 46

4.4 Setting Up Multiple Wireless Groups ............................................................................................. 48

4.5 Using the File Sharing Feature ....................................................................................................... 53

4.5.1 Set Up File Sharing ................................................................................................................. 53

4.5.2 Access Your Shared Files From a Computer ...................................................................... 55

4.6 Using the Media Server Feature .................................................................................................... 56

4.6.1 Configuring the VMG ........................................................................................................... 56

4.6.2 Using Windows Media Player ...............................................................................................56

4.6.3 Using a Digital Media Adapter ............................................................................................58

4.7 Configuring Static Route for Routing to Another Network ........................................................ 59

4.8 Configuring QoS Queue and Class Setup ................................................................................... 62

4.9 Access the VMG Using DDNS ........................................................................................................ 65

4.9.1 Registering a DDNS Account on www.dyndns.org ........................................................... 65

4.9.2 Configuring DDNS on Your VMG ......................................................................................... 66

4.9.3 Testing the DDNS Setting ...................................................................................................... 66

4.10 Configuring the MAC Address Filter ........................................................................................... 66

4.11 Access Your Shared Files From a Computer ............................................................................. 68

Part II: Technical Reference...........................................................................69

Chapter 5

Network Map and Status Screens....................................................................................................70

5.1 Overview ......................................................................................................................................... 70

5.2 The Network Map Screen .............................................................................................................. 70

5.3 The Status Screen ........................................................................................................................... 71

Chapter 6

Broadband..........................................................................................................................................75

6.1 Overview ......................................................................................................................................... 75

6.1.1 What You Can Do in this Chapter ....................................................................................... 75

6.1.2 What You Need to Know ..................................................................................................... 76

6.1.3 Before You Begin ................................................................................................................... 78

6.2 The Broadband Screen .................................................................................................................. 79

6.2.1 Add/Edit Internet Connection .............................................................................................80

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6.3 The Cellular Backup Screen .......................................................................................................... 87

6.4 The Advanced Screen ................................................................................................................... 92

6.5 Technical Reference ...................................................................................................................... 94

Chapter 7

Wireless...............................................................................................................................................99

7.1 Overview ......................................................................................................................................... 99

7.1.1 What You Can Do in this Chapter ....................................................................................... 99

7.1.2 What You Need to Know ..................................................................................................... 99

7.2 The General Screen .................................................................................................................... 100

7.2.1 No Security ........................................................................................................................... 102

7.2.2 More Secure (WPA2-PSK) ...................................................................................................103

7.3 The Guest / More AP Screen ....................................................................................................... 104

7.3.1 Edit Guest/More AP ........................................................................................................... 105

7.4 The MAC Authentication Screen ................................................................................................ 107

7.5 The WPS Screen ............................................................................................................................ 108

7.6 The WMM Screen .......................................................................................................................... 110

7.7 The Others Screen ........................................................................................................................ 111

7.8 The Channel Status Screen ......................................................................................................... 112

7.9 The WLAN Scheduler Screen ....................................................................................................... 113

7.9.1 Add a New Rule .................................................................................................................. 114

7.10 Technical Reference .................................................................................................................. 115

7.10.1 Wireless Network Overview .............................................................................................. 115

7.10.2 Additional Wireless Terms ................................................................................................. 117

7.10.3 Wireless Security Overview ............................................................................................... 117

7.10.4 Signal Problems ................................................................................................................. 119

7.10.5 BSS ....................................................................................................................................... 120

7.10.6 MBSSID ................................................................................................................................ 120

7.10.7 Preamble Type .................................................................................................................. 121

7.10.8 WiFi Protected Setup (WPS) ............................................................................................. 121

Chapter 8

Home Networking............................................................................................................................128

8.1 Overview ....................................................................................................................................... 128

8.1.1 What You Can Do in this Chapter ..................................................................................... 128

8.1.2 What You Need To Know ................................................................................................... 129

8.1.3 Before You Begin ................................................................................................................. 130

8.2 The LAN Setup Screen .................................................................................................................. 130

8.3 The Static DHCP Screen ............................................................................................................... 134

8.4 The UPnP Screen ........................................................................................................................... 136

8.4.1 Turning On UPnP in Windows 7 Example .......................................................................... 137

8.5 The Additional Subnet Screen ..................................................................................................... 138

8.6 The STB Vendor ID Screen ............................................................................................................ 140

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8.7 The Wake on LAN Screen ............................................................................................................ 140

8.8 The TFTP Server Name Screen ..................................................................................................... 141

8.9 Technical Reference .................................................................................................................... 141

8.9.1 LANs, WANs and the VMG ................................................................................................. 142

8.9.2 DHCP Setup ......................................................................................................................... 142

8.9.3 DNS Server Addresses ......................................................................................................... 142

8.9.4 LAN TCP/IP ........................................................................................................................... 143

Chapter 9

Routing..............................................................................................................................................145

9.1 Overview ...................................................................................................................................... 145

9.2 The Routing Screen ...................................................................................................................... 145

9.2.1 Add/Edit Static Route ......................................................................................................... 146

9.3 The DNS Route Screen ................................................................................................................. 148

9.3.1 The DNS Route Add Screen ............................................................................................... 148

9.4 The Policy Route Screen .............................................................................................................. 149

9.4.1 Add/Edit Policy Route ........................................................................................................ 150

9.5 RIP ............................................................................................................................................... 151

9.5.1 The RIP Screen ..................................................................................................................... 151

Chapter 10

Quality of Service (QoS)..................................................................................................................153

10.1 Overview .................................................................................................................................... 153

10.1.1 What You Can Do in this Chapter ................................................................................... 153

10.2 What You Need to Know ........................................................................................................... 154

10.3 The Quality of Service General Screen ................................................................................... 155

10.4 The Queue Setup Screen ........................................................................................................... 156

10.4.1 Adding a QoS Queue ...................................................................................................... 158

10.5 The Classification Setup Screen ................................................................................................ 159

10.5.1 Add/Edit QoS Class .......................................................................................................... 159

10.6 The QoS Shaper Setup Screen .................................................................................................. 163

10.6.1 Add/Edit a QoS Shaper ................................................................................................... 164

10.7 The QoS Policer Setup Screen ................................................................................................... 164

10.7.1 Add/Edit a QoS Policer ................................................................................................... 165

10.8 Technical Reference .................................................................................................................. 166

Chapter 11

Network Address Translation (NAT)................................................................................................171

11.1 Overview ..................................................................................................................................... 171

11.1.1 What You Can Do in this Chapter ................................................................................... 171

11.1.2 What You Need To Know ................................................................................................. 171

11.2 The Port Forwarding Screen ..................................................................................................... 172

11.2.1 Add/Edit Port Forwarding ................................................................................................ 174

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11.3 The Applications Screen ............................................................................................................ 175

11.3.1 Add New Application ....................................................................................................... 176

11.4 The Port Triggering Screen ......................................................................................................... 177

11.4.1 Add/Edit Port Triggering Rule ..........................................................................................178

11.5 The DMZ Screen .......................................................................................................................... 179

11.6 The ALG Screen .......................................................................................................................... 180

11.7 The Address Mapping Screen ................................................................................................... 181

11.7.1 Add/Edit Address Mapping Rule ..................................................................................... 182

11.8 The Sessions Screen .................................................................................................................... 183

11.9 Technical Reference .................................................................................................................. 184

11.9.1 NAT Definitions ................................................................................................................... 184

11.9.2 What NAT Does ................................................................................................................. 184

11.9.3 How NAT Works .................................................................................................................. 185

11.9.4 NAT Application ................................................................................................................ 185

Chapter 12

Dynamic DNS Setup.........................................................................................................................188

12.1 Overview ..................................................................................................................................... 188

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

12.1.2 What You Need To Know ................................................................................................. 188

12.2 The DNS Entry Screen ................................................................................................................. 189

12.2.1 Add/Edit DNS Entry ........................................................................................................... 189

12.3 The Dynamic DNS Screen .......................................................................................................... 190

Chapter 13

IGMP/MLD.........................................................................................................................................192

13.1 Overview ..................................................................................................................................... 192

13.1.1 What You Need To Know ................................................................................................. 192

13.2 The IGMP/MLD Screen ............................................................................................................... 192

Chapter 14

Vlan Group.......................................................................................................................................195

14.1 Overview ..................................................................................................................................... 195

14.1.1 What You Can Do in this Chapter ................................................................................... 195

14.2 The Vlan Group Screen .............................................................................................................. 195

14.2.1 Add/Edit a VLAN Group ...................................................................................................196

Chapter 15

Interface Group ...............................................................................................................................198

15.1 Overview ..................................................................................................................................... 198

15.1.1 What You Can Do in this Chapter ................................................................................... 198

15.2 The Interface Group Screen ...................................................................................................... 198

15.2.1 Interface Group Configuration ....................................................................................... 199

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15.2.2 Interface Grouping Criteria ............................................................................................201

Chapter 16

USB Service.......................................................................................................................................203

16.1 Overview ..................................................................................................................................... 203

16.1.1 What You Can Do in this Chapter ................................................................................... 203

16.1.2 What You Need To Know ................................................................................................ 203

16.1.3 Before You Begin ............................................................................................................... 204

16.2 The File Sharing Screen .............................................................................................................. 204

16.2.1 The Add New Share Screen ............................................................................................. 206

16.2.2 The Add New User Screen ............................................................................................... 207

16.3 The Media Server Screen ........................................................................................................... 207

Chapter 17

Firewall..............................................................................................................................................209

17.1 Overview ..................................................................................................................................... 209

17.1.1 What You Can Do in this Chapter ................................................................................... 209

17.1.2 What You Need to Know ................................................................................................. 210

17.2 The Firewall Screen ..................................................................................................................... 210

17.3 The Protocol Screen .................................................................................................................. 211

17.3.1 Add/Edit a Service ........................................................................................................... 212

17.4 The Access Control Screen ....................................................................................................... 213

17.4.1 Add/Edit an ACL Rule ..................................................................................................... 214

17.5 The DoS Screen ........................................................................................................................... 215

Chapter 18

MAC Filter .........................................................................................................................................217

18.1 Overview .................................................................................................................................... 217

18.2 The MAC Filter Screen ................................................................................................................ 217

Chapter 19

Parental Control...............................................................................................................................219

19.1 Overview ..................................................................................................................................... 219

19.2 The Parental Control Screen ..................................................................................................... 219

19.2.1 Add/Edit a Parental Control Profile ................................................................................ 220

Chapter 20

Scheduler Rule .................................................................................................................................224

20.1 Overview ..................................................................................................................................... 224

20.2 The Scheduler Rule Screen ........................................................................................................ 224

20.2.1 Add/Edit a Schedule ........................................................................................................ 224

Chapter 21

Certificates .......................................................................................................................................226

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21.1 Overview ..................................................................................................................................... 226

21.1.1 What You Can Do in this Chapter ................................................................................... 226

21.2 What You Need to Know ........................................................................................................... 226

21.3 The Local Certificates Screen ................................................................................................... 226

21.3.1 Create Certificate Request ............................................................................................ 227

21.3.2 View Certificate Request ................................................................................................ 228

21.4 The Trusted CA Screen ............................................................................................................... 229

21.4.1 View Trusted CA Certificate ............................................................................................ 230

21.4.2 Import Trusted CA Certificate .......................................................................................... 231

Chapter 22

Log ....................................................................................................................................................233

22.1 Overview ..................................................................................................................................... 233

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

22.1.2 What You Need To Know ................................................................................................. 233

22.2 The System Log Screen .............................................................................................................. 234

22.3 The Security Log Screen ............................................................................................................. 235

Chapter 23

Traffic Status .....................................................................................................................................236

23.1 Overview ..................................................................................................................................... 236

23.1.1 What You Can Do in this Chapter ................................................................................... 236

23.2 The WAN Status Screen .............................................................................................................. 236

23.3 The LAN Status Screen ............................................................................................................... 237

23.4 The NAT Status Screen ................................................................................................................ 238

Chapter 24

ARP Table..........................................................................................................................................240

24.1 Overview ..................................................................................................................................... 240

24.1.1 How ARP Works .................................................................................................................. 240

24.2 ARP Table Screen ....................................................................................................................... 241

Chapter 25

Routing Table....................................................................................................................................242

25.1 Overview ..................................................................................................................................... 242

25.2 The Routing Table Screen .......................................................................................................... 242

Chapter 26

Multicast Status ...............................................................................................................................244

26.1 Overview ..................................................................................................................................... 244

26.2 The IGMP Status Screen ............................................................................................................. 244

26.3 The MLD Status Screen ............................................................................................................... 245

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Chapter 27

xDSL Statistics ...................................................................................................................................246

27.1 The xDSL Statistics Screen .......................................................................................................... 246

Chapter 28

WLAN Station Status .........................................................................................................................248

28.1 Overview ..................................................................................................................................... 248

Chapter 29

Cellular Statistics .............................................................................................................................250

29.1 Overview ..................................................................................................................................... 250

29.2 The Cellular Statistics Screen ..................................................................................................... 250

Chapter 30

System...............................................................................................................................................252

30.1 Overview ..................................................................................................................................... 252

30.2 The System Screen ...................................................................................................................... 252

Chapter 31

User Account....................................................................................................................................253

31.1 Overview .................................................................................................................................... 253

31.2 The User Account Screen .......................................................................................................... 253

31.2.1 The User Account Add/Edit Screen ................................................................................ 254

Chapter 32

Remote Management.....................................................................................................................255

32.1 Overview ..................................................................................................................................... 255

32.2 The Remote MGMT Screen ........................................................................................................ 255

32.3 The Trust Domain Screen ............................................................................................................ 256

32.4 The Add Trust Domain Screen ................................................................................................... 257

Chapter 33

SNMP .................................................................................................................................................258

33.1 Overview ..................................................................................................................................... 258

33.2 The SNMP Screen ........................................................................................................................ 258

Chapter 34

Time Settings.....................................................................................................................................260

34.1 Overview ..................................................................................................................................... 260

34.2 The Time Screen ......................................................................................................................... 260

Chapter 35

E-mail Notification ...........................................................................................................................262

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35.1 Overview .................................................................................................................................. 262

35.2 The Email Notification Screen ................................................................................................... 262

35.2.1 Email Notification Edit ..................................................................................................... 263

Chapter 36

Log Setting .......................................................................................................................................264

36.1 Overview .................................................................................................................................... 264

36.2 The Log Settings Screen ............................................................................................................. 264

36.2.1 Example E-mail Log ........................................................................................................... 265

Chapter 37

Firmware Upgrade...........................................................................................................................267

37.1 Overview ..................................................................................................................................... 267

37.2 The Firmware Screen .................................................................................................................. 267

Chapter 38

Backup Restore................................................................................................................................270

38.1 Overview ..................................................................................................................................... 270

38.2 The Backup Restore Screen ...................................................................................................... 270

38.3 The Reboot Screen ..................................................................................................................... 272

Chapter 39

Diagnostic.........................................................................................................................................273

39.1 Overview ..................................................................................................................................... 273

39.1.1 What You Can Do in this Chapter ................................................................................... 273

39.2 What You Need to Know ........................................................................................................... 273

39.3 Ping & TraceRoute & NsLookup ................................................................................................ 274

39.4 802.1ag ........................................................................................................................................ 274

39.5 802.3ah ........................................................................................................................................ 276

39.6 OAM Ping .................................................................................................................................... 277

Chapter 40

Troubleshooting................................................................................................................................280

40.1 Power, Hardware Connections, and LEDs ............................................................................... 280

40.2 VMG Access and Login ............................................................................................................. 281

40.3 Internet Access ........................................................................................................................... 282

40.4 Wireless Internet Access ............................................................................................................. 284

40.5 USB Device Connection ............................................................................................................ 285

40.6 UPnP ............................................................................................................................................. 285

Part III: Appendices......................................................................................287

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Appendix A Customer Support ..................................................................................................... 288

Appendix B Wireless LANs............................................................................................................... 294

Appendix C IPv6.............................................................................................................................. 307

Appendix D Services....................................................................................................................... 315

Appendix E Legal Information ....................................................................................................... 319

Index.................................................................................................................................................326

16

PART I

User’s Guide

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CHAPTER 1

Introducing the VMG

1.1 Overview

The VMG is a wireless VDSL router and Gigabit Ethernet gateway.

Note: Cellular networks refer to 3G only at the time of writing.

1.1.1 Internet Access

Your VMG has a DSL port and a Gigabit Ethernet port for super-fast Internet access. It provides shared

Internet access by connecting the DSL port to the DSL or MODEM jack on a splitter or your telephone

jack. You can have multiple WAN services over one ADSL or VDSL. The VMG cannot work in ADSL and

VDSL mode at the same time.

Note: The ADSL and VDSL lines share the same WAN (layer-2) interfaces that you configure in

the VMG. Refer to Section 6.2 on page 79 for the Network Setting > Broadband screen.

Computers can connect to the VMG’s LAN ports (or wirelessly).

Figure 1 VMG’s Internet Access Application

Chapter 1 Introducing the VMG

VMG3925-B10C/B30C User’s Guide

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You can also configure IP filtering on the VMG for secure Internet access. When the IP filter is on, all

incoming traffic from the Internet to your network is blocked by default unless it is initiated from your

network. This means that probes from the outside to your network are not allowed, but you can safely

browse the Internet and download files.

Only use firmware for your VMG’s specific model. Refer to the label on

the bottom of your VMG.

1.1.1.1 Ethernet WAN

If you prefer not to use a DSL line and you have another broadband modem or router (such as ADSL)

available, you can use the Ethernet WAN port and then connect it to the broadband modem or router.

This way, you can access the Internet via an Ethernet connection and still use the QoS, Firewall and

parental control functions on the VMG.

Figure 2 VMG’s Internet Access Application: Ethernet WAN

1.1.1.2 WAN Priority

The WAN connection priority is as follows:

1 Ethernet WAN/DSL

If you have a DSL connection and Ethernet WAN connection at the same time, go to the Status screen

to see which connection is up.

2 Cellular WAN (3G)

See Section 1.1.3 on page 19 for more information about Cellular backup.

1.1.2 Wireless Access

The VMG is a wireless Access Point (AP) for IEEE 802.11b/g/n/a/ac wireless clients, such as notebook

computers, iPads, smartphones, etc. These devices can connect to the VMG to access network

resources and the Internet.

Your VMG supports Wi-Fi Protected Setup (WPS), which allows you to quickly set up a wireless network

with strong security.

You can configure your wireless network using the built-in Web Configurator.

See Section 4.3 on page 38 for more information about how to set up a wireless network.

Chapter 1 Introducing the VMG

VMG3925-B10C/B30C User’s Guide

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Figure 3 Wireless Access Example

1.1.3 VMG’s USB Support

The USB port of the VMG is used for cellular WAN backup, file-sharing and media server.

Cellular WAN (3G) Backup

Connect a supported cellular USB dongle with an active SIM card to the USB port. This adds a backup

WAN interface and allows the VMG to wirelessly access the Internet via a cellular network. The cellular

WAN connection is a backup in case the wired DSL or Ethernet WAN connection fails.

To set up a cellular connection, click Network Setting > Broadband > Cellular Backup.

To update the supported cellular USB dongle list, download the latest WWAN package from the Zyxel

website and upload it to the VMG using the Maintenance > Firmware Upgrade screen.

Figure 4 Internet Access Application: Cellular WAN

File Sharing

Use the built-in USB 2.0 port to share files on a USB memory stick or a USB hard drive (B). You can connect

one USB hard drive to the VMG at a time. Use FTP to access the files on the USB device.

DSL

Chapter 1 Introducing the VMG

VMG3925-B10C/B30C User’s Guide

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Figure 5 USB File Sharing Application

Media Server

You can also use the VMG as a media server. This lets anyone on your network play video, music, and

photos from a USB device (B) connected to the VMG’s USB port (without having to copy them to

another computer).

Figure 6 USB Media Server Application

1.2 Ways to Manage the VMG

Use any of the following methods to manage the VMG.

• Web Configurator. This is recommended for everyday management of the VMG using a (supported)

web browser.

• TR-069. This is an auto-configuration server used to remotely configure your device.

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