IMPORTANT!
READ CAREFULLY BEFORE USE.
KEEP THIS GUIDE FOR FUTURE REFERENCE.
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 NBG7815 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 NBG7815
.
NBG7815 User’s Guide
2
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
• 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, Settings > WiFi >
Main WiFi means you first click Settings in the navigation panel, then the WiFi sub menu and finally the
Main WiFi tab to get to that screen.
Icons Used in Figures
Figures in this user guide may use the following generic icons. The NBG7815 icon is not an exact
representation of your device.
WAN ....................................................................................................................................................... 85
Wireless LAN ........................................................................................................................................ 109
LAN ....................................................................................................................................................... 121
System .................................................................................................................................................. 138
Troubleshooting and Appendices .................................................................................................148
8.4 USB Application .............................................................................................................................. 75
8.4.1 SAMBA Server ........................................................................................................................ 76
8.4.2 FTP Server ............................................................................................................................... 78
8.4.3 USB Media Sharing ................................................................................................................ 80
8.5 Access Your Shared Files From a Computer ............................................................................... 81
8.5.1 Using File Explorer .................................................................................................................. 81
8.5.2 Using an FTP Program ........................................................................................................... 82
Chapter 9
WAN ....................................................................................................................................................85
9.1 WAN (Wide Area Network) Overview .......................................................................................... 85
9.2 What You Can Do .......................................................................................................................... 85
9.3 What You Need To Know .............................................................................................................. 86
9.3.1 Configuring Your Internet Connection ............................................................................... 86
9.4 Internet Connection ....................................................................................................................... 88
9.7 Port Trigger ..................................................................................................................................... 102
9.7.1 Add Port Trigger Rule .......................................................................................................... 103
9.8 Dynamic DNS ................................................................................................................................ 104
9.9.1 Turning on UPnP in Windows 10 Example ......................................................................... 106
Chapter 10
Wireless LAN .....................................................................................................................................109
10.1 Wireless LAN Overview ............................................................................................................... 109
10.1.1 What You Can Do ............................................................................................................. 109
10.1.2 What You Should Know ....................................................................................................110
10.2 Main WiFi ...................................................................................................................................... 113
10.4 MAC Filter .................................................................................................................................... 117
10.4.1 Add MAC Address ............................................................................................................ 118
11.1 LAN (Local Area Network) Overview ....................................................................................... 121
11.2 What You Can Do ...................................................................................................................... 121
11.3 What You Need To Know .......................................................................................................... 121
11.4 LAN IP ........................................................................................................................................... 122
11.4.2 Configure LAN Screen in Bridge Mode .......................................................................... 126
11.5 IPv6 LAN ....................................................................................................................................... 128
13.1 System Overview ........................................................................................................................ 138
13.2 What You Can Do ...................................................................................................................... 138
13.3 Status ............................................................................................................................................ 138
13.4 General Setting ........................................................................................................................... 141
A 10 Gigabit port supports speed of 10 Gbps if the connected device supports 10 Gbps and a Cat 6a
(up to 100 m) or Cat 6 cable (up to 50 m) is used. The speed drops to 1G if these criteria are not met; it
drops to 100 Mbps if a Cat 5 cable is used (up to 100 m).
If a network device such as a 5G network card, gaming computer, server, Network Attached Storage
(NAS) or Access Point (AP) only supports 2.5 Gigabit or 5 Gigabit connectivity, then the maximum speed
potential of these devices is never reached.
In addition, at the time of writing, most existing cabling is Cat 5e or Cat 6, further limiting maximum
speed or distance potential.
Multi-Gigabit (IEEE 802.3bz) solves these problems by additionally supporting 2.5 Gigabit and 5 Gigabit
Ethernet connections over Cat 5e and higher Ethernet cables. Multi-Gigabit ports are also backward
compatible with 100 Mbps and 1 Gigabit ports.
Figure 1 Multi-Gigabit Application
See the following table for the cables required and distance limitation to attain the corresponding
speed.
Table 2 Ethernet Cable Types
CABLETRANSMISSION SPEED
Category 5100 Mbps100 m100 MHz
Category 5e1 Gbps / 2.5 Gbps / 5 Gbps100 m100 MHz
MAXIMUM DISTANCEBANDWIDTH CAPACITY
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Chapter 1 Introduction
Table 2 Ethernet Cable Types (continued)
CABLETRANSMISSION SPEED
Category 65 Gbps / 10 Gbps50 m250 MHz
Category 6a10 Gbps100 m500 MHz
Category 710 Gbps100 m650 MHz
MAXIMUM DISTANCEBANDWIDTH CAPACITY
Internet Access
Your NBG7815 provides shared Internet access by connecting an Ethernet cable provided by the ISP
(Internet Service Provider) to the 2.5G/1G port. Connect network devices through the Ethernet ports of
the NBG7815 (or wirelessly) so that they can communicate with each other and access the Internet.
Figure 2 Internet Access Application: Wired Connection
Dual-Band WiFi
IEEE 802.11a/b/g/n/ac/ax compliant clients can wirelessly connect to the NBG7815 to access network
resources.
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Chapter 1 Introduction
The NBG7815 is a dual-band gateway that can use both 2.4G and 5G networks at the same time. You
can use the 2.4 GHz band for regular Internet surfing and downloading while using the 5 GHz band for
time sensitive traffic like high-definition video, music, and gaming.
Figure 3 Dual-Band Application
You can use WPS (WiFi Protected Setup) to create an instant WiFi network connection with another WPScompatible device.
Guest WiFi
The NBG7815 allows you to set up a guest WiFi network where users can access the Internet through
NBG7815, but not to other networks connected to it.
OpenVPN Server/Client
Your NBG7815 supports OpenVPN. OpenVPN is a VPN protocol which is open source and free of charge.
It can be used to create a virtual private network or to interconnect local networks. It uses OpenSSL
encryption library and SSLv3/TLSv1 protocols. This provides high security and anonymity for all transmitted
data. It also provides faster connection speeds than other VPN protocols.
The following figure illustrates the NBG7815 (ZD) connected to a server network (N) through an Ethernet
switch (S) function as an OpenVPN Server that transmit data to a client device (C) through a secure VPN
channel.
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Chapter 1 Introduction
Figure 4 OpenVPN Server Application
Alternatively, the following figure illustrates the NBG7815 (ZD) function as an OpenVPN Client to allow a
VPN server (R) connected to a server network (N) through an Ethernet switch (S) to transmit data
through a secure VPN channel to a client device connected to the NBG7815 (ZD).
Figure 5 OpenVPN Client Application
IPv6 and IPv6 Firewall
IPv6 (Internet Protocol version 6), is designed to enhance IP address size and features. The increase in
IPv6 address size to 128 bits (from the 32-bit IPv4 address) allows up to 3.4 x 10
NBG7815 can use IPv4/IPv6 dual stack to connect to IPv4 and IPv6 networks, and support IPv6 rapid
deployment (6RD).
Consequently, you can enable and create IPv6 firewall rules to filter IPv6 traffic.
Firewall protects your NBG7815 and network from attacks by hackers on the Internet and control access
to it. The firewall:
• allows traffic that originates from your LAN computers to go to all other networks.
• blocks traffic that originates on other networks from going to the LAN.
The following figure illustrates the firewall action. User A can initiate an IM (Instant Messaging) session
from the LAN to the WAN (1). Return traffic for this session is also allowed (2). However other traffic
initiated from the WAN is blocked (3 and 4).
38
IP addresses. The
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Chapter 1 Introduction
Figure 6 Default Firewall Action
USB File Sharing
Share files on a USB memory stick or hard drive connected to your NBG7815 with users on your network.
The NBG7815 also supports file sharing using FTP (file transfer protocol).
The following figure illustrates the NBG7815’s file server feature. Computers (A) and (B) can access files
on a USB device (C) which is connected to the NBG7815.
Figure 7 File Sharing Overview
USB Media Sharing
The media server feature lets anyone on your network play video, music, and photos from the USB
storage device connected to your NBG7815 without having to copy them to another computer. The
NBG7815 can function as a DLNA-compliant media server, where the NBG7815 streams files to DLNAcompliant media clients like Windows Media Player.
The Digital Living Network Alliance (DLNA) is a group of personal computer and electronics companies
that works to make products compatible in a home network.
The NBG7815 media server enables you to:
• Publish all share folders for everyone to play media files in the USB storage device connected to the
NBG7815.
• Use hardware-based media clients like the DMA-2500 to play the files.
Note: Anyone on your network can play the media files in the published folders. No user
name and password nor other form of security is required.
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Chapter 1 Introduction
Figure 8 Media Server Overview
The figure above illustrates a USB storage device (A) containing media files connected to the NBG7815
(B). A computer (C) with Windows Media Player installed can play the files.
1.3 Operating Modes for the NBG7815
The NBG7815 is available in both Standard (router) mode and bridge mode.
1.3.1 Standard (Router) Mode
The NBG7815 is set to standard (router) mode by default. The NBG7815 is used to connect the local
network to another network (for example, the Internet). In standard mode NBG7815 has two IP
addresses, a LAN IP address and a WAN IP address. It also has more routing features. In the example
scenario below, NBG7815 connects the local network to the Internet through a modem (M).
Figure 9 Standard Mode Example
Auto-IP Change
When the NBG7815 (A) gets a WAN IP address or a DNS server IP address which is in the same subnet as
the LAN IP address 192.168.123.1, Auto-IP Change allows the NBG7815 to change its LAN IP address to
10.0.0.1 automatically. If the NBG7815’s original LAN IP address is 10.0.0.1 and the WAN IP address is in
the same subnet, such as 10.0.0.3, the NBG7815 switches to use 192.168.123.1 as its LAN IP address.
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Chapter 1 Introduction
Figure 10 Auto-IP Change Example
Auto-IP Change only works under the following conditions:
• The NBG7815 must be in standard (router) mode for Auto-IP Change to become active.
• The NBG7815 is set to receive a dynamic WAN IP address.
1.3.2 Bridge Mode
Use your NBG7815 as a bridge if you already have a router or gateway on your network. In this mode
your NBG7815 bridges a wired network (LAN) and WiFi in the same subnet. In bridge mode, NBG7815 has
one IP address and NBG7815 interfaces are bridged together in the same network. In the example
scenario below, NBG7815 connects the local network to the Internet through a router (R).
Figure 11 Bridge Mode Example
1.4 Ways to Manage the NBG7815
Use the following method to manage the NBG7815.
• Web Configurator. This is recommended for everyday management of the NBG7815 using a
(supported) web browser.
NBG7815 User’s Guide
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Chapter 1 Introduction
• Zyxel ARMOR mobile app. This is the app you can use to manage the NBG7815 on your cellphone. To
install the app, scan the QR code on the QSG.
1.5 Good Habits for Managing the NBG7815
Do the following things regularly to make the NBG7815 more secure and to manage the NBG7815 more
effectively.
• Change the password. Use a password that is not easy to guess and that consists of different types of
characters, such as numbers and letters.
• Write down the password and put it in a safe place.
NBG7815 User’s Guide
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Hardware Installation and
This chapter describes the front panel LED and rear panel of the NBG7815 and shows you how to mount
the NBG7815 on the desk or wall.
2.1 Rear Panel
The following figure show the rear panel of the NBG7815. The rear panel contains:
Figure 12 Rear Panel
CHAPTER 2
Connection
The following table describes the items on the rear panel.
Table 3 Rear Panel Ports
LABELDESCRIPTION
PowerConnect the power adapter to start the NBG7815.
USBThe USB port is used for file-sharing and media server.
2.5G/1GConnect an Ethernet cable to the Ethernet WAN port for Internet access.
10G/Multi-GigConnect Multi-Gigabit Ethernet devices to the Ethernet port for high speed Internet access.
LAN1 – LAN4Connect computers or other Ethernet devices to Ethernet ports for Internet access.
ResetPress the button for longer than 8 seconds to return the NBG7815 to the factory defaults.
2.2 Front Panel LED
After you connect the power to the NBG7815, view the LEDs to ensure proper functioning of the
NBG7815 and as an aid to troubleshooting.
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Chapter 2 Hardware Installation and Connection
Figure 13 Front Panel LED
The following table describes the front panel LED.
Table 4 Front Panel LED
COLORSTATUSDESCRIPTION
WhiteOnThe NBG7815 is receiving power.
BlinkingThe NBG7815 is booting.
Dark BlueOnBluetooth is ready.
BlinkingBluetooth linking is in process.
AmberBlinking (Slow)The NBG7815 is upgrading firmware.
Blinking (Fast)The NBG7815 is resetting.
PurpleBlinkingWPS is in process.
Purple and Dark BlueBlinkingThe NBG7815 is receiving power and ready for use.
RedOnThe NBG7815 detects Internet connection problems.
2.3 Mounting
The NBG7815 can be mounted on the wall or placed on the desk.
2.3.1 Wall Mounting
You may need screw anchors if mounting the NBG7815 on a concrete or brick wall.
Table 5 Wall Mounting Information
Distance between holes10.50 cm
M4 ScrewsTwo
Screw anchors (optional)Two
Note: See The WiFi connection is slow or intermittent. on page 153 when selecting the
mounting location.
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Chapter 2 Hardware Installation and Connection
Figure 14 Screw Specifications
1Select a position free of obstructions on a wall strong enough to hold the weight of the device.
2Mark two holes on the wall at the appropriate distance apart for the screws.
Be careful to avoid damaging pipes or cables located inside the wall when
drilling holes for the screws.
3If using screw anchors, drill two holes for the screw anchors into the wall. Push the anchors into the full
depth of the holes, then insert the screws into the anchors. Do NOT insert the screws all the way in –
leave a small gap of about 0.5 cm.
If not using screw anchors, use a screwdriver to insert the screws into the wall. Do NOT insert the screws
all the way in – leave a gap of about 0.5 cm.
4Make sure the screws are fastened well enough to hold the weight of the NBG7815 with the connection
cables.
5Remove the rubber feet.
6Align the holes on the back of the NBG7815 with the screws on the wall. Hang the NBG7815 on the
screws.
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Chapter 2 Hardware Installation and Connection
Figure 15 Wall Mounting – Remove the Rubber Feet
2.3.2 Desk Placement
Place the side of the NBG7815 with the attached rubber feet carefully on the desk. These rubber feet
help protect the NBG7815 from shock or vibration and ensure space between the desk and NBG7815.
Cautions:
• Ensure enough clearance around the NBG7815 to allow air circulation for cooling.
• Do NOT remove the rubber feet except when wall mounting as it provides space for air circulation.
2.4 Resetting the NBG7815
If you forget your password or IP address, or you cannot access the Web Configurator, insert a thin
object into the Reset hole on the NBG7815 to reload the factory-default configuration file. This means
that you will lose all settings that you had previously saved.
2.4.1 How to Use the Reset Button
1Make sure the power LED is on.
2Locate the Reset hole.
3Insert a thin object into the Reset hole for longer than 8 seconds to reset the NBG7815 back to its factory-
default configuration (for example, default Standard (Router) operation mode and login IP address of
192.168.123.1, WiFi SSID and password).
NBG7815 User’s Guide
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Figure 16 Reset Hole
2.5 WPS Button
Your NBG7815 supports WiFi Protected Setup (WPS), which is an easy way to set up a secure WiFi
network.
WPS allows you to quickly set up a WiFi network with strong security, without having to configure security
settings manually. Each WPS connection works between two devices. Both devices must support WPS
(check each device’s documentation to make sure).
Chapter 2 Hardware Installation and Connection
Depending on the devices you have, you can either press a button (on the device itself, or in its
configuration utility) or enter a PIN (a unique Personal Identification Number that allows one device to
authenticate the other) in each of the two devices. When WPS is activated on a device, it has two
minutes to find another device that also has WPS activated. Then, the two devices connect and set up
a secure network by themselves.
You can use the WPS button in the Web Configurator of the NBG7815 to activate WPS in order to quickly
set up a WiFi network with strong security.
1Make sure the power LED is on (not blinking).
2Open the Web Configurator.
3Click Settings > WiFi > WPS, and then press the WPS button.
4Press the WPS button on another WPS-enabled device within range of the NBG7815. See the User’s
Guide of the other device for details.
Note: You must activate WPS in the NBG7815 and in another WiFi device within 2 minutes of
each other.
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3.1 Wizard Overview
The wizard appears automatically when the NBG7815 is accessed for the first time or when you reset the
NBG7815 to its default factory settings. The wizard helps you set up the following:
• 2.4G/5G WiFi name and WiFi password
• Automatically check and update your NBG7815 firmware
• Create a myZyxelCloud account to log into the NBG7815
• Authorize the NBG7815 to access your myZyxelCloud account
• Create a local password as an alternative for logging into the NBG7815.
In this chapter, you will learn how to:
• Go through NBG7815 (ARMOR G5) wizard steps
• Configure basic settings for your WiFi
• Create a myZyxel Cloud account.
CHAPTER 3
Wizard
3.2 Accessing the Wizard
Launch your web browser and enter "http://zyxelwifi.com" or "http://zyxelwifi.net" as the website
address.
Note: The wizard appears automatically when the NBG7815 is accessed for the first time or
when you reset the NBG7815 to its default factory settings.
1Your NBG7815 will check the status of your Internet connection the first time you log in.
NBG7815 User’s Guide
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Chapter 3 Wizard
2The following screen shows if you are connected to the Internet. Click NEXT to go to the next step in the
wizard.
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Chapter 3 Wizard
The following screen shows if you are not connected to the Internet.
Note: You may need to turn off your network firewall if access to the Internet from the
NBG7815 is blocked. You need to connect to the Internet to access your NBG7815. See
Section 14.4 on page 151 if you cannot connect to the Internet.
NBG7815 User’s Guide
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Chapter 3 Wizard
3Enter 1 – 128 single-byte printable ASCII characters but not "''<>^$& as your 2.4G/5G WiFi Name and WiFi
Password. Select the check box Keep 2.4G & 5G name the same if you want to use the same name for
your 2.4G and 5G WiFi.
4Wait a moment for your WiFi settings to be applied to your NBG7815.
NBG7815 User’s Guide
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Chapter 3 Wizard
5The following screen shows if you have set up your WiFi name and password successfully. Click NEXT to
go to the next step in the wizard.
NBG7815 User’s Guide
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Chapter 3 Wizard
6Wait a moment for the NBG7815 to check if your device is updated with the latest firmware. If not, your
NBG7815 will automatically update the firmware.
7You need to create a myZyxelCloud account to log into the NBG7815. The Zyxel cloud service gives you
an online management site to configure and view the status of your NBG7815. Click NEXT to go to the
next step in the wizard.
NBG7815 User’s Guide
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