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User’s Guide
VPN2S
ZyWALL VPN Firewall
Copyright © 2019 Zyxel Communications Corporation
LAN IP Address http://192.168.1.1
User Name admin
Password 1234
Version 1.2 Edition 1, 03/2019
VPN2S 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 VPN2S and access the Web Configurator wizards. It
contains information on setting up your network and configuring for Internet access.
•More Information
Go to support.zyxel.com to find other information on the
VPN2S.
VPN2S User’s Guide
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Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this guide.
Warnings tell you about things that could harm you or your device.
Note: Notes tell you other important information (for example, other things you may need to
configure or helpful tips) or recommendations.
Syntax Conventions
• All models in this series may be referred to as the “VPN2S” in this guide.
• Product labels, screen names, field labels and field choices are all in bold font.
• A right angle bracket ( > ) within a screen name denotes a mouse click. For example, Configuration >
Log / Report > Log Settings means you first click Configuration in the navigation panel, then the Log
sub menu and finally the Log Settings tab to get to that screen.
Icons Used in Figures
Figures in this user guide may use the following generic icons. The VPN2S icon is not an exact
representation of your device.
VPN2S Generic Router Wireless Router / Access Point
Switch Firewall USB Storage Device
USB Dongle Cell Tower Printer
Server
VPN2S
Contents Overview
VPN2S User’s Guide
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Contents Overview
User’s Guide ......................................................................................................................................13
Introducing the VPN2S ......................................................................................................................... 14
The Web Configurator ......................................................................................................................... 22
Wizard .................................................................................................................................................... 29
Technical Reference ........................................................................................................................47
Dashboard ............................................................................................................................................ 48
WAN/Internet ........................................................................................................................................ 51
LAN ......................................................................................................................................................... 78
Routing ................................................................................................................................................. 102
Network Address Translation (NAT) ................................................................................................... 116
Firewall ................................................................................................................................................. 132
Security Service ................................................................................................................................... 152
VPN ....................................................................................................................................................... 160
Bandwidth Management .................................................................................................................. 196
Network Management ...................................................................................................................... 214
System .................................................................................................................................................. 217
Log / Report ....................................................................................................................................... 219
Service / License ................................................................................................................................. 229
Device Name ...................................................................................................................................... 231
Host Name List ..................................................................................................................................... 233
Date / Time .......................................................................................................................................... 235
User Account ...................................................................................................................................... 238
USB Storage ......................................................................................................................................... 241
Diagnostic ........................................................................................................................................... 245
Firmware Upgrade .............................................................................................................................. 249
Backup / Restore ................................................................................................................................ 253
Language ............................................................................................................................................ 255
Restart / Shutdown ............................................................................................................................. 256
Troubleshooting .................................................................................................................................. 257
Table of Contents
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Table of Contents
Document Conventions ......................................................................................................................3
Contents Overview .............................................................................................................................4
Table of Contents.................................................................................................................................5
Part I: User’s Guide.......................................................................................... 13
Chapter 1
Introducing the VPN2S.......................................................................................................................14
1.1 Overview ......................................................................................................................................... 14
1.2 Registration at myZyxel .................................................................................................................. 14
1.3 Ways to Manage the VPN2S ......................................................................................................... 15
1.4 Good Habits for Managing the VPN2S ........................................................................................ 16
1.5 Applications for the VPN2S ............................................................................................................ 16
1.5.1 Internet Access ...................................................................................................................... 16
1.5.2 VPN2S’s USB Support ............................................................................................................. 17
1.5.3 IPv6 Routing ........................................................................................................................... 18
1.5.4 VPN Connectivity .................................................................................................................. 18
1.5.5 Load Balancing ..................................................................................................................... 19
1.6 LEDs (Lights) ..................................................................................................................................... 19
1.7 The RESET Button ............................................................................................................................. 21
Chapter 2
The Web Configurator........................................................................................................................22
2.1 Overview ......................................................................................................................................... 22
2.1.1 Accessing the Web Configurator ....................................................................................... 22
2.2 Web Configurator Layout .............................................................................................................. 24
2.2.1 Title Bar ................................................................................................................................... 25
2.2.2 Navigation Panel .................................................................................................................. 25
2.2.3 Main Window ......................................................................................................................... 28
Chapter 3
Wizard .................................................................................................................................................29
3.1 Overview ......................................................................................................................................... 29
3.2 Wizard Basic Setup ......................................................................................................................... 30
3.3 Wizard IPsec VPN Setup ................................................................................................................. 35
3.3.1 VPN Express Settings ............................................................................................................. 36
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3.3.2 VPN Advanced Settings ....................................................................................................... 38
3.4 Wizard IPv6 Setup ........................................................................................................................... 43
Part II: Technical Reference........................................................................... 47
Chapter 4
Dashboard..........................................................................................................................................48
4.1 Overview ......................................................................................................................................... 48
4.2 The Dashboard Screen .................................................................................................................. 48
Chapter 5
WAN/Internet......................................................................................................................................51
5.1 Overview ......................................................................................................................................... 51
5.1.1 What You Can Do in this Chapter ....................................................................................... 52
5.1.2 What You Need to Know ..................................................................................................... 52
5.1.3 Before You Begin ................................................................................................................... 54
5.2 The WAN Status Screen .................................................................................................................. 55
5.3 The WAN Setup Screen .................................................................................................................. 55
5.3.1 Internet Connection: Add/Edit ............................................................................................56
5.4 The Mobile Screen .......................................................................................................................... 64
5.5 The Port Setting Screen .................................................................................................................. 68
5.6 The Multi-WAN Screen .................................................................................................................... 69
5.6.1 Multi-WAN: Edit ...................................................................................................................... 70
5.6.2 How to Configure Multi-WAN for Load Balancing and Failover ...................................... 71
5.7 The Dynamic DNS screen .............................................................................................................. 72
5.7.1 Dynamic DNS: Add/Edit ....................................................................................................... 73
5.8 Technical Reference ...................................................................................................................... 75
Chapter 6
LAN ......................................................................................................................................................78
6.1 Overview ......................................................................................................................................... 78
6.1.1 What You Can Do in this Chapter ....................................................................................... 78
6.1.2 What You Need To Know ..................................................................................................... 79
6.1.3 Before You Begin ................................................................................................................... 80
6.2 The LAN Status Screen ................................................................................................................... 80
6.3 The LAN Setup Screen .................................................................................................................... 81
6.3.1 LAN Setup: Edit ...................................................................................................................... 82
6.3.2 LAN Setup IPv6: Edit .............................................................................................................. 84
6.4 The Static DHCP Screen ................................................................................................................. 87
6.4.1 Static DHCP: Add/Edit .......................................................................................................... 87
6.5 The Additional Subnet Screen ....................................................................................................... 89
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6.6 The Wake on LAN Screen .............................................................................................................. 89
6.6.1 Wake On LAN: Add/Edit ....................................................................................................... 90
6.7 The VLAN / Interface Group Screen ............................................................................................ 91
6.7.1 VLAN / Interface Group: Add/Edit ...................................................................................... 92
6.8 The DNS Entry Screen ..................................................................................................................... 97
6.9 The DNS Forwarder Screen ............................................................................................................ 97
6.9.1 DNS Forwarder: Add/Edit ..................................................................................................... 98
6.10 Technical Reference .................................................................................................................... 99
6.10.1 LANs, WANs and the VPN2S ............................................................................................... 99
6.10.2 DHCP Setup ......................................................................................................................... 99
6.10.3 DNS Server Addresses ....................................................................................................... 100
6.10.4 LAN TCP/IP ......................................................................................................................... 100
Chapter 7
Routing ..............................................................................................................................................102
7.1 Overview ....................................................................................................................................... 102
7.1.1 What You Can Do in this Chapter ..................................................................................... 102
7.2 The Routing Status Screen ........................................................................................................... 103
7.3 The Policy Route Screen .............................................................................................................. 109
7.3.1 Policy Route: Add/Edit ....................................................................................................... 110
7.4 The Static Route Screen ............................................................................................................... 112
7.4.1 Static Route: Add/Edit ........................................................................................................ 113
7.5 The RIP Screen ............................................................................................................................... 114
Chapter 8
Network Address Translation (NAT)................................................................................................116
8.1 Overview ....................................................................................................................................... 116
8.1.1 What You Can Do in this Chapter ..................................................................................... 116
8.1.2 What You Need To Know ................................................................................................... 116
8.2 The Port Forwarding Screen ........................................................................................................ 117
8.2.1 Port Forwarding: Add/Edit .................................................................................................. 119
8.3 The Port Triggering Screen ........................................................................................................... 120
8.3.1 Port Triggering Rule: Add/Edit ............................................................................................ 122
8.4 The Address Mapping Screen ..................................................................................................... 123
8.4.1 Address Mapping Rule: Add/Edit ...................................................................................... 124
8.5 The Default Server Screen ........................................................................................................... 125
8.5.1 Default Server: Edit .............................................................................................................. 126
8.6 The ALG Screen ............................................................................................................................ 127
8.7 Technical Reference .................................................................................................................... 128
8.7.1 NAT Definitions ..................................................................................................................... 128
8.7.2 What NAT Does ................................................................................................................... 128
8.7.3 How NAT Works .................................................................................................................... 129
8.7.4 NAT Application .................................................................................................................. 129
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Chapter 9
Firewall ..............................................................................................................................................132
9.1 Overview ....................................................................................................................................... 132
9.1.1 What You Can Do in this Chapter ..................................................................................... 132
9.1.2 What You Need to Know ................................................................................................... 133
9.2 The Firewall Overview Screen ..................................................................................................... 134
9.3 The DoS Screen ............................................................................................................................. 134
9.4 The Firewall Rules Screen ............................................................................................................. 135
9.4.1 Firewall Rule: Add/Edit ........................................................................................................ 136
9.5 The Device Service Screen .......................................................................................................... 138
9.5.1 Device Service: Edit ............................................................................................................ 140
9.5.2 Trust Domain: Add/Edit ....................................................................................................... 140
9.6 The Zone Control Screen ............................................................................................................. 141
9.7 The Service Screen ....................................................................................................................... 142
9.7.1 Service: Add/Edit ................................................................................................................ 143
9.8 The MAC Filter Screen .................................................................................................................. 144
9.8.1 MAC Filter: Add/Edit ........................................................................................................... 145
9.9 The Certificate Screen ................................................................................................................. 146
9.10 The AAA Server ........................................................................................................................... 147
9.10.1 LDAP Server: Add/Edit ...................................................................................................... 148
9.10.2 RADIUS Server: Add/Edit ................................................................................................... 150
Chapter 10
Security Service................................................................................................................................152
10.1 Overview ..................................................................................................................................... 152
10.1.1 What You Can Do in This Chapter .................................................................................. 152
10.1.2 What You Need to Know ................................................................................................. 152
10.2 The Content Filter Screen .......................................................................................................... 153
10.2.1 Content Filter: Add/Edit .................................................................................................... 156
Chapter 11
VPN....................................................................................................................................................160
11.1 Overview ..................................................................................................................................... 160
11.2 What You Can Do in this Chapter ............................................................................................ 160
11.3 What You Need to Know ........................................................................................................... 160
11.4 The VPN Status Screen ............................................................................................................... 163
11.5 The IPsec VPN Screen ................................................................................................................ 164
11.5.1 VPN Gateway: Add/Edit .................................................................................................. 166
11.5.2 VPN Connection: Add/Edit .............................................................................................. 172
11.5.3 The Default_L2TP_VPN_GW IPsec VPN Rule ................................................................... 175
11.5.4 PPTP VPN Troubleshooting Tips ........................................................................................ 176
11.6 The PPTP VPN Screen ................................................................................................................. 177
11.6.1 PPTP VPN Troubleshooting Tips ........................................................................................ 179
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11.7 The L2TP VPN Screen .................................................................................................................. 180
11.7.1 L2TP Setup - Server ............................................................................................................ 180
11.7.2 L2TP Setup - Client ............................................................................................................. 182
11.7.3 L2TP VPN Troubleshooting Tips ......................................................................................... 183
11.8 The L2TP Client Status Screen .................................................................................................... 186
11.9 The GRE VPN Screen .................................................................................................................. 187
11.9.1 GRE VPN: Add/Edit ........................................................................................................... 188
11.10 Technical Reference ................................................................................................................ 189
11.10.1 IPsec Architecture ........................................................................................................... 189
11.10.2 Encapsulation .................................................................................................................. 190
11.10.3 IKE Phases ........................................................................................................................ 191
11.10.4 Negotiation Mode .......................................................................................................... 192
11.10.5 IPsec and NAT ................................................................................................................. 192
11.10.6 VPN, NAT, and NAT Traversal ......................................................................................... 193
11.10.7 ID Type and Content ...................................................................................................... 194
11.10.8 Pre-Shared Key ................................................................................................................ 195
11.10.9 Diffie-Hellman (DH) Key Groups .................................................................................... 195
Chapter 12
Bandwidth Management ................................................................................................................196
12.1 Overview ..................................................................................................................................... 196
12.1.1 What You Can Do in this Chapter ................................................................................... 196
12.1.2 What You Need to Know ................................................................................................. 196
12.2 The General Screen ................................................................................................................... 198
12.3 The Queue Setup Screen ........................................................................................................... 199
12.3.1 QoS Queue: Add/Edit ...................................................................................................... 201
12.4 The Classification Setup Screen ................................................................................................ 202
12.4.1 QoS Class: Add/Edit .......................................................................................................... 203
12.5 The Policer Setup Screen ........................................................................................................... 206
12.5.1 QoS Policer: Add/Edit ....................................................................................................... 207
12.6 The Shaper Setup Screen .......................................................................................................... 208
12.6.1 QoS Shaper: Add/Edit ...................................................................................................... 209
12.7 Technical Reference .................................................................................................................. 210
Chapter 13
Network Management ....................................................................................................................214
13.1 Overview ..................................................................................................................................... 214
13.1.1 What You Can Do in This Chapter .................................................................................. 214
13.2 The SNMP Screen ........................................................................................................................ 214
Chapter 14
System...............................................................................................................................................217
14.1 Overview ..................................................................................................................................... 217
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14.1.1 What You Can Do in This Chapter .................................................................................. 217
14.2 The Scheduler Rule Screen ........................................................................................................ 217
14.2.1 Scheduler Rule: Add/Edit ................................................................................................. 218
Chapter 15
Log / Report .....................................................................................................................................219
15.1 Overview ..................................................................................................................................... 219
15.1.1 What You Can Do in this Chapter ................................................................................... 219
15.1.2 What You Need To Know ................................................................................................. 219
15.2 The Log Viewer Screen .............................................................................................................. 220
15.3 Log Settings ................................................................................................................................. 221
15.3.1 Log on USB Settings: Edit ................................................................................................... 222
15.3.2 System and Email: Edit ...................................................................................................... 224
15.3.3 Remote Server Log Settings: Edit ..................................................................................... 226
Chapter 16
Service / License..............................................................................................................................229
16.1 Overview ..................................................................................................................................... 229
16.2 The License Screen ..................................................................................................................... 229
Chapter 17
Device Name ...................................................................................................................................231
17.1 Overview ..................................................................................................................................... 231
17.2 The Device Name Screen ......................................................................................................... 231
Chapter 18
Host Name List..................................................................................................................................233
18.1 Overview ..................................................................................................................................... 233
18.2 The Host Name List Screen ........................................................................................................ 233
18.2.1 Add Host Name ................................................................................................................. 233
Chapter 19
Date / Time .......................................................................................................................................235
19.1 Overview ..................................................................................................................................... 235
19.2 The Date / Time Screen ............................................................................................................. 235
Chapter 20
User Account....................................................................................................................................238
20.1 Overview ..................................................................................................................................... 238
20.2 What You Can Do in this Chapter ............................................................................................ 238
20.3 The User Account Screen .......................................................................................................... 238
20.3.1 Users Account: Add/Edit .................................................................................................. 239
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Chapter 21
USB Storage ......................................................................................................................................241
21.1 Overview ..................................................................................................................................... 241
21.1.1 What You Need To Know ................................................................................................. 241
21.1.2 Before You Begin ............................................................................................................... 242
21.2 The USB Storage Screen ............................................................................................................. 242
21.2.1 Add a USB Share ............................................................................................................... 244
Chapter 22
Diagnostic.........................................................................................................................................245
22.1 Overview ..................................................................................................................................... 245
22.1.1 What You Can Do in this Chapter ................................................................................... 245
22.2 The Network Tools Screen .......................................................................................................... 245
22.3 The Packet Capture Screen ...................................................................................................... 246
Chapter 23
Firmware Upgrade ...........................................................................................................................249
23.1 Overview ..................................................................................................................................... 249
23.2 The Firmware Screen .................................................................................................................. 249
23.3 The Mobile Profile Screen .......................................................................................................... 251
Chapter 24
Backup / Restore .............................................................................................................................253
24.1 Overview ..................................................................................................................................... 253
24.2 The Backup / Restore Screen .................................................................................................... 253
Chapter 25
Language .........................................................................................................................................255
25.1 Overview ..................................................................................................................................... 255
25.2 The Language Screen ................................................................................................................ 255
Chapter 26
Restart / Shutdown...........................................................................................................................256
26.1 Overview ..................................................................................................................................... 256
26.2 The Restart / Shutdown Screen ................................................................................................. 256
Chapter 27
Troubleshooting................................................................................................................................257
27.1 Power, Hardware Connections, and LEDs ............................................................................... 257
27.2 VPN2S Access and Login ........................................................................................................... 258
27.3 Internet Access ........................................................................................................................... 260
27.4 VPN2S Configuration .................................................................................................................. 261
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Appendix A Customer Support ..................................................................................................... 265
Appendix B Legal Information ....................................................................................................... 271
Index .................................................................................................................................................275
13
PART I
User’s Guide
VPN2S User’s Guide
14
CHAPTER 1
Introducing the VPN2S
1.1 Overview
The VPN2S is a VPN firewall with Gigabit Ethernet (GbE) gateway. It has two USB ports that can be used
for file sharing or using a 3G/4G dongle for cellular WAN (Internet) backup connections.
Features
• Four GbE Ports for LAN Connection
• Firewall with Secure Network Management
• Secure Access via VPN (IPsec, PPTP, L2TP)
Only use firmware for your VPN2S’s specific model. Refer to the label on
the bottom of your VPN2S.
1.2 Registration at myZyxel
myZyxel is Zyxel’s online services center where you can register your VPN2S and manage subscription
services available for your VPN2S (see Maintenance > Service / License for services available for your
VPN2S).
Note: You need to create a myZyxel account at http://portal.myZyxel.com before you can
register your device and activate the services at myZyxel.
You may need your VPN2S’s serial number and LAN MAC address to register it at
myZyxel. See the label at the back of the VPN2S’s for details.
Chapter 1 Introducing the VPN2S
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Figure 1 myZyxel Login
1.3 Ways to Manage the VPN2S
Use any of the following methods to manage the VPN2S.
Web Configurator
The Web Configurator allows easy VPN2S setup and management using an Internet browser. This User’s
Guide provides information about the Web Configurator.
Figure 2 Managing the VPN2S: Web Configurator
FTP
Use File Transfer Protocol for firmware upgrades and configuration backup/restore.
Chapter 1 Introducing the VPN2S
VPN2S User’s Guide
16
SNMP
The device can be monitored and/or managed by an SNMP manager.
1.4 Good Habits for Managing the VPN2S
Do the following things regularly to make the VPN2S more secure and to manage the VPN2S more
effectively.
• Change the password. Use a password that’s not easy to guess and that consists of different types of
characters, such as numbers and letters. The password must have 6-64 printable characters [0-9][a-z]
[A-Z][!@#$%*].
• Write down the password and put it in a safe place.
• Back up the configuration (and make sure you know how to restore it). Restoring an earlier working
configuration may be useful if the device becomes unstable or even crashes. If you forget your
password, you will have to reset the VPN2S to its factory default settings. If you backed up an earlier
configuration file, you would not have to totally re-configure the VPN2S. You could simply restore your
last configuration.
1.5 Applications for the VPN2S
Here are some example uses for which the VPN2S is well suited.
1.5.1 Internet Access
As a VPN firewall your VPN2S has multiple WAN interfaces, including, 3G/4G and Gigabit Ethernet to
share the network traffic load. You can configure multiple WAN load balance and failover rules to
distribute traffic amongst the different interfaces.
If you prefer you can also use a 3G/4G dongle for cellular backup WAN (Internet) connections.
Note: If you connect all WAN ports the priority order will be Ethernet WAN port, and USB port.
Chapter 1 Introducing the VPN2S
VPN2S User’s Guide
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Computers can connect to the VPN2S’s LAN ports.
Figure 3 VPN2S’s Internet Access Application
Figure 4 VPN2S’s Internet Access Application: 3G/4G WAN Backup
You can also configure IP filtering on the VPN2S 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.
1.5.2 VPN2S’s USB Support
Use the USB port for file sharing or insert a 3G/4G dongle for cellular backup WAN (Internet) connections.
VPN2S
VPN2S
Chapter 1 Introducing the VPN2S
VPN2S User’s Guide
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File Sharing
Use the USB port (built-in USB 2.0) to share files on USB memory sticks or USB hard drives (B). Use FTP to
access the files on the USB device.
Figure 5 USB File Sharing Application
1.5.3 IPv6 Routing
The VPN2S supports IPv6 Ethernet and PPP. You may also create IPv6 policy routes.
Figure 6 Applications: IPv6 Routing
1.5.4 VPN Connectivity
Set up VPN tunnels with other companies, branch offices, telecommuters, and business travelers to
provide secure access to your network. AS is an Authentication Server in the below figure.
VPN2S
Chapter 1 Introducing the VPN2S
VPN2S User’s Guide
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Figure 7 Applications: VPN Connectivity
1.5.5 Load Balancing
Set up multiple connections to the Internet on the same port, or different ports. In either case, you can
balance the traffic loads between them.
Figure 8 Applications: Multiple WAN Interfaces
1.6 LEDs (Lights)
This section describes the LEDs on the VPN2S.
The following figure shows the front and rear panels of the VPN2S.
Chapter 1 Introducing the VPN2S
VPN2S User’s Guide
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Figure 9 VPN2S Front and Rear Panels
None of the LEDs are on if the VPN2S is not receiving power. The location of the LEDs are highlighted in
the figures above.
Table 1 LED Descriptions
LED COLOR STATUS DESCRIPTION
POWER Green On The VPN2S is receiving power and ready for use.
Blinking The VPN2S is self-testing.
Red On The VPN2S detected an error while self-testing, or there is a device
malfunction.
Off The VPN2S is not receiving power.
LAN Green On The VPN2S has a successful Ethernet connection with a device on the Local
Area Network (LAN).
Blinking The VPN2S is sending or receiving data to/from the LAN.
Off The VPN2S does not have an Ethernet connection with the LAN.
WAN Green On The VPN2S has a successful Ethernet connection on the WAN.
Blinking The VPN2S is sending or receiving data to/from the WAN.
Off There is no Ethernet connection on the WAN.
INTERNET Green On The VPN2S has an IP connection but no traffic.
Your device has a WAN IP address (either static or assigned by a DHCP
server), PPP negotiation was successfully completed (if used).
Red On The Ethernet WAN port is connected to an Ethernet port but the VPN2S
cannot access the Internet. There is an Internet connection problem.
Off There is no Internet connection or the gateway is in bridged mode.
MOBILE Green On The VPN2S recognizes a 3G/4G dongle connection in USB port 1/2.
Off The VPN2S does not detect a 3G/4G dongle connection in USB port 1/2.
USB Green On The VPN2S recognizes a USB connection in USB port 1/2.
Off The VPN2S does not detect a USB connection in USB port 1/2.
/