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EMG2881-T20A
Users manual
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ZyXEL Communications EMG2881-T20A Users manual

Default Login Details
User’s Guide
EMG2881-T20A
Dual-Band Wireless AC1300 Gigabit Ethernet Gateway
LAN IP Address http://192.168.1.1
Password See the device label
Version 1.00 Edition 1, 01/2018
Copyright © 2018 Zyxel Communications Corporation
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 EMG2881-T20A and access the Web Configurator.
•More Information Go to support.zyxel.com to find other information on the EMG2881-T20A
.
EMG2881-T20A 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
• The EMG2881-T20A may be referred to as the “EMG2881-T20A” 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 Maintenance in the navigation panel, then the Log sub menu and finally the Log Setting tab to get to that screen.
Icons Used in Figures
Figures in this user guide may use the following generic icons. The EMG2881-T20A icon is not an exact representation of your device.
EMG2881-T20A Generic Router Wireless Router / Access Point
Switch Firewall Modem
Server Cell Tower Printer
EMG2881-T20A User’s Guide
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Contents Overview
Contents Overview
User’s Guide ........................................................................................................................................9
Introduction ........................................................................................................................................... 10
Introducing the Web Configurator ..................................................................................................... 16
Router Mode ......................................................................................................................................... 18
Tutorials .................................................................................................................................................. 24
Technical Reference ........................................................................................................................34
Monitor ................................................................................................................................................... 35
WAN ....................................................................................................................................................... 37
Wireless LAN .......................................................................................................................................... 53
LAN ......................................................................................................................................................... 70
Applications .......................................................................................................................................... 75
Security .................................................................................................................................................. 92
Maintenance ........................................................................................................................................ 98
Troubleshooting .................................................................................................................................. 106
EMG2881-T20A User’s Guide
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Table of Contents
Table of Contents
Document Conventions .................................................................. ....................................................3
Contents Overview .............................................................................................................................4
Table of Contents.................................................................................................................................5
Part I: User’s Guide............................................................................................ 9
Chapter 1
Introduction ........................................................................................................................................10
1.1 Overview ......................................................................................................................................... 10
1.1.1 Ethernet WAN ........................................................................................................................ 10
1.1.2 Wireless Access ...................................................................................................................... 10
1.2 Applications .................................................................................................................................... 11
1.3 Ways to Manage the EMG2881-T20A .......................................................................................... 11
1.4 Good Habits for Managing the EMG2881-T20A .......................................................................... 11
1.5 Hardware ......................................................................................................................................... 12
1.5.1 Front Panel ............................................................................................................................. 12
1.5.2 Front Panel LEDs (Lights) ....................................................................................................... 12
1.5.3 Rear Panel .............................................................................................................................. 13
1.5.4 Rear Panel LEDs (Lights) ........................................................................................................ 14
1.5.5 Using the WLAN and WPS Buttons ....................................................................................... 14
1.5.6 Resetting the EMG2881-T20A ...............................................................................................14
Chapter 2
Introducing the Web Configurator . ............................................ .... ... .... ...........................................16
2.1 Overview ......................................................................................................................................... 16
2.2 Accessing the Web Configurator ................................................................................................. 16
2.2.1 Login Screen .......................................................................................................................... 16
Chapter 3
Router Mode.......................................................................................................................................18
3.1 Overview ......................................................................................................................................... 18
3.2 Router Mode Status Screen ........................................................................................................... 18
3.2.1 Navigation Panel .................................................................................................................. 21
Chapter 4
Tutorials...............................................................................................................................................24
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Table of Contents
4.1 Overview ......................................................................................................................................... 24
4.2 Set Up a Wireless Network Using WPS ........................................................................................... 24
4.2.1 Push Button Configuration (PBC) ........................................................................................ 24
4.2.2 PIN Configuration .................................................................................................................. 25
4.3 Connect to the EMG2881-T20A’s WiFi Network Manually (No WPS) ........................................ 26
4.3.1 Configuring Wireless Security on the EMG2881-T20A ........................................................ 27
4.3.2 Configure Your Notebook .................................................................................................... 28
4.4 Using Multiple SSIDs on the EMG2881-T20A .................................................................................. 30
4.4.1 Configuring Security Settings of Multiple SSIDs .................................................................. 31
Part II: Technical Reference........................................................................... 34
Chapter 5
Monitor................................................................................................................................................35
5.1 Overview ......................................................................................................................................... 35
5.2 What You Can Do .......................................................................................................................... 35
5.3 Client Tables ................................................................................................................................. 35
Chapter 6
WAN ....................................................................................................................................................37
6.1 Overview ......................................................................................................................................... 37
6.2 What You Can Do .......................................................................................................................... 37
6.3 What You Need To Know .............................................................................................................. 37
6.3.1 Configuring Your Internet Connection ............................................................................... 38
6.4 Management WAN ........................................................................................................................ 39
6.4.1 Edit WAN Connection .......................................................................................................... 40
6.5 NAT ................................................................................................................................................... 47
6.5.1 General Screen ..................................................................................................................... 47
6.5.2 Port Trigger Screen ................................................................................................................ 49
6.5.3 Passthrough Screen .............................................................................................................. 49
6.6 Dynamic DNS Screen ..................................................................................................................... 50
6.7 Interface Group Screen ................................................................................................................. 51
6.7.1 Add Interface Group ............................................................................................................ 51
Chapter 7
Wireless LAN .......................................................................................................................................53
7.1 Overview ......................................................................................................................................... 53
7.1.1 What You Can Do ................................................................................................................. 54
7.1.2 What You Should Know ........................................................................................................ 54
7.2 Wireless LAN Screen ...................................................................................................................... 57
7.3 Wireless Security .............................................................................................................................. 59
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Table of Contents
7.3.1 No Security ............................................................................................................................. 60
7.3.2 WPA2-PSK ............................................................................................................................... 60
7.4 More AP Screen .............................................................................................................................. 61
7.4.1 More AP Edit .......................................................................................................................... 62
7.5 MAC Filter Screen .......................................................................................................................... 64
7.6 Advanced Screen .......................................................................................................................... 65
7.7 WPS Screen ..................................................................................................................................... 66
7.8 Scheduling Screen ......................................................................................................................... 68
Chapter 8
LAN......................................................................................................................................................70
8.1 Overview ......................................................................................................................................... 70
8.2 What You Can Do .......................................................................................................................... 70
8.3 What You Need To Know .............................................................................................................. 70
8.4 LAN IP Screen .................................................................................................................................. 71
8.5 Static DHCP Screen ........................................................................................................................ 72
8.6 IPv6 LAN Screen .............................................................................................................................. 73
Chapter 9
Applications .......................................................................................................................................75
9.1 Overview ........................................................................................................................................ 75
9.1.1 What You Can Do in this Chapter ....................................................................................... 75
9.2 What You Need to Know ............................................................................................................... 76
9.3 The QoS General Screen .............................................................................................................. 78
9.4 The Queue Setup Screen ............................................................................................................... 79
9.4.1 Add/Edit a Queue .............................................................................................................. 79
9.5 The Class Setup Screen .................................................................................................................. 80
9.5.1 Add/Edit a Classifier ............................................................................................................. 81
9.6 UPnP Screen .................................................................................................................................... 83
9.7 Technical Reference ...................................................................................................................... 83
9.7.1 Using UPnP in Windows XP Example .................................................................................... 87
9.7.2 Web Configurator Easy Access ........................................................................................... 89
Chapter 10
Security ...............................................................................................................................................92
10.1 Overview ..................................................................................................................................... 92
10.1.1 What You Can Do ............................................................................................................... 92
10.1.2 What You Need To Know ...................................................................................................92
10.2 IPv4 Firewall Screen ..................................................................................................................... 93
10.3 IPv6 Firewall Screen ...................................................................................................................... 95
Chapter 11
Maintenance......................................................................................................................................98
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Table of Contents
11.1 Overview ....................................................................................................................................... 98
11.2 What You Can Do ........................................................................................................................ 98
11.3 General Screen ............................................................................................................................ 98
11.4 Password Screen ........................................................................................................................... 99
11.5 Time Screen ................................................................................................................................. 100
11.6 Firmware Upgrade Screen ........................................................................................................ 101
11.7 Configuration Backup/Restore Screen .................................................................................... 102
11.8 Restart Screen ............................................................................................................................. 104
11.9 Log Screen .................................................................................................................................. 104
11.10 The ROMD Screen .................................................................................................................... 104
Chapter 12
Troubleshooting................................................................................................................................106
12.1 Overview ..................................................................................................................................... 106
12.2 Power, Hardware Connections, and LEDs ............................................................................... 106
12.3 EMG2881-T20A Access and Login ............................................................................................ 107
12.4 Internet Access ........................................................................................................................... 108
12.5 Resetting the EMG2881-T20A to Its Factory Defaults .............................................................. 109
12.6 Wireless Connections ................................................................................................................. 110
Appendix A Pop-up Windows, JavaScript and Java Permissions ............................................. 112
Appendix B Setting Up Your Computer’s IP Address................................................................... 121
Appendix C Common Services .....................................................................................................148
Appendix D Customer Support ..................................................................................................... 151
Appendix E Legal Information ....................................................................................................... 157
Index.................................................................................................................................................164
EMG2881-T20A User’s Guide
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PART I
User’s Guide
9
1.1 Overview
This chapter introduces the main features and applications of the EMG2881-T20A.
The EMG2881-T20A extends the range of your existing wired network without additional wiring, providing easy network access to mobile users. You can set up a wireless network with other IEEE 802.11a/ac/b/g/ n compatible devices.
A firewall is also available for secure Internet computing.
1.1.1 Ethernet WAN
If 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 EMG2881-T20A.
CHAPTER 1
Introduction
Figure 1 EMG2881-T20A’s Internet Access Application: Ethernet WAN
1.1.2 Wireless Access
The EMG2881-T20A 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 EMG2881-T20A to access network resources and the Internet.
Your EMG2881-T20A 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 Chapter 4 on page 24 for more information about how to set up a wireless network.
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Figure 2 Wireless Access Example
1.2 Applications
You can have the following networks with the EMG2881-T20A:
• Wired. You can connect network devices via the Ethernet ports of the EMG2881-T20A so that they can communicate with each other and access the Internet.
• Wireless. Wireless clients can connect to the EMG2881-T20A to access network resources. You can use WPS (Wi-Fi Protected Setup) to create an instant network connection with another WPS-compatible device.
• WAN. Connect to a broadband modem/router for Internet access.
Chapter 1 Introduction
1.3 Ways to Manage the EMG2881-T20A
Use any of the following methods to manage the EMG2881-T20A.
• WPS (Wi-Fi Protected Setup). You can use the WPS button or the WPS section of the Web Configurator to set up a wireless network with your EMG2881-T20A.
• Web Configurator. This is recommended for everyday management of the EMG2881-T20A using a (supported) web browser.
1.4 Good Habits for Managing the EMG2881-T20A
Do the following things regularly to make the EMG2881-T20A more secure and to manage the EMG2881­T20A 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.
• 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 EMG2881-T20A to its factory default settings. If you backed up an earlier configuration file, you would not have to totally re-configure the EMG2881-T20A. You could simply restore your last configuration.
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1.5 Hardware
1.5.1 Front Panel
The following graphic displays the front panel of the EMG2881-T20A.
Figure 3 LEDs on the EMG2881-T20A
Chapter 1 Introduction
1.5.2 Front Panel LEDs (Lights)
The following table describes the front panel LEDs.
Table 1 Front panel LEDs
LED COLOR STATUS DESCRIPTION
Power White On The EMG2881-T20A is receiving power and functioning properly.
Off The EMG2881-T20A is not receiving power.
Internet White On The EMG2881-T20A has an IP connection but no traffic.
Blinking The EMG2881-T20A is sending or receiving IP traffic.
Off The EMG2881-T20A does not have an IP connection.
WLAN 2.4/5G White On The 2.4 GHz/5 GHz wireless network is activated.
Blinking The EMG2881-T20A is communicating with 2.4 GHz/5 GHz wireless clients.
Amber Blinking The EMG2881-T20A is setting up a WPS connection with a 2.4 GHz/5 GHz
Off The wireless LAN is not ready or has failed.
Your device has a WAN IP address (either static or assigned by a DHCP server), PPP negotiation was successfully completed (if used) and the connection is up.
wireless client.
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1.5.3 Rear Panel
The following graphic displays the rear panel of the EMG2881-T20A.
Figure 4 EMG2881-T20A Rear Panel
Chapter 1 Introduction
The following table describes the items on the rear panel.
Table 2 Rear Panel Ports
LABEL DESCRIPTION
WPS Press the WPS button for more than one second to quickly set up a secure
wireless connection between the EMG2881-T20A and a WPS-compatible client.
Reset Press the button to return the EMG2881-T20A to the factory defaults.
LAN1 ~ LAN4 Connect computers or other Ethernet devices to Ethernet ports for Internet
access.
WAN Connect an Ethernet cable to the Ethernet WAN port for Internet access.
Power Connect the power cable and press the power button to start the
EMG2881-T20A.
Power Button
Press the power button after the power cable is connected to start the EMG2881-T20A.
EMG2881-T20A User’s Guide
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Chapter 1 Introduction
1.5.4 Rear Panel LEDs (Lights)
The following table describes the rear panel LEDs.
Table 3 Rear panel LEDs
LED COLOR STATUS DESCRIPTION
LAN 1-4 Green On The EMG2881-T20A recognizes an Ethernet cable through the LAN port.
Blinking The EMG2881-T20A is sending/receiving data through the LAN.
Off The EMG2881-T20A does not detect an Ethernet cable through the LAN
port.
WAN Green On The EMG2881-T20A recognizes an Ethernet cable through the WAN port.
Blinking The EMG2881-T20A is sending/receiving data through the WAN.
Off The EMG2881-T20A does not detect an Ethernet cable through the WAN
port.
1.5.5 Using the WLAN and WPS Buttons
If the wireless network is turned off, go to the Wireless screen to turn it on. Once the 2.4G WLAN/WPS or 5G WLAN/WPS LED turns white, the wireless network is active.
You can also use the WPS button to quickly set up a secure wireless connection between the EMG2881­T20A and a WPS-compatible client by adding one device at a time.
To activate WPS:
1 Make sure the POWER LED is on and not blinking.
2 Press the WPS button for more than one second and release it.
3 Press the WPS button on another WPS-enabled device within range of the EMG2881-T20A. The WLAN
2.4G and WLAN 5G LEDs flash amber while the EMG2881-T20A sets up a WPS connection with the other
wireless device.
4 Once the connection is successfully made, the WLAN 2.4G and WLAN 5G LEDs shine white.
1.5.6 Resetting the EMG2881-T20A
If you forget your password or IP address, or you cannot access the Web Configurator, you will need to use the RESET button at the back of the EMG2881-T20A to reload the factory-default configuration file. This means that you will lose all configurations that you had previously saved, the user name will be reset to “admin”, the password will be reset to the factory default (see the device label), and the IP address will be reset to “192.168.1.1” (router mode).
1.5.6.1 How to Use the RESET Button
1 Make sure the POWER LED is on.
2 Press the RESET button for one to four seconds to restart/reboot the EMG2881-T20A.
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Chapter 1 Introduction
3 Press the RESET button for longer than five seconds to set the EMG2881-T20A back to its factory-default
configurations.
EMG2881-T20A User’s Guide
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2.1 Overview
This chapter describes how to access the EMG2881-T20A Web Configurator and provides an overview of its screens.
The Web Configurator is an HTML-based management interface that allows easy setup and management of the EMG2881-T20A via Internet browser. Use Internet Explorer 9.0 and later versions, Mozilla Firefox 21 and later versions, Safari 6.0 and later versions or Google Chrome 26.0 and later versions. The recommended screen resolution is 1024 by 768 pixels.
In order to use the Web Configurator you need to allow:
CHAPTER 2
Introducing the Web
Configurator
• Web browser pop-up windows from your device. Web pop-up blocking is enabled by default in Windows XP SP (Service Pack) 2.
• JavaScript (enabled by default).
• Java permissions (enabled by default).
Refer to the Troubleshooting chapter (Chapter 12 on page 106) to see how to make sure these functions are allowed in Internet Explorer.
2.2 Accessing the Web Configurator
1 Make sure your EMG2881-T20A hardware is properly connected and prepare your computer or
computer network to connect to the EMG2881-T20A (refer to the Quick Start Guide).
2 Launch your web browser.
3 The EMG2881-T20A is in router mode by default. Type "http://192.168.1.1" as the website address.
Your computer must be in the same subnet in order to access this website address.
2.2.1 Login Screen
The Web Configurator initially displays the following login screen.
Type the default Username admin and randomly assigned default password (see the device label) in the Login screen and click Login.
EMG2881-T20A User’s Guide
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Chapter 2 Introducing the Web Configurator
Figure 5 Login screen
The following table describes the labels in this screen.
Table 4 Login screen
LABEL DESCRIPTION
Username Type "admin" (default) as the user name. Password Type the default password (on the device label). Click Login.
EMG2881-T20A User’s Guide
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3.1 Overview
Modem
The EMG2881-T20A is set to router mode by default. Routers are used to connect the local network to another network (for example, the Internet). In the figure below, the EMG2881-T20A connects the local network (LAN1 ~ LAN4) to the Internet.
Figure 6 EMG2881-T20A Network
CHAPTER 3
Router Mode
3.2 Router Mode Status Screen
Click to open the status screen.
EMG2881-T20A User’s Guide
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Figure 7 Status Screen: Router Mode
The following table describes the icons shown in the Status screen.
Table 5 Status Screen Icon Key
ICON DESCRIPTION
Logout Click this at any time to exit the Web Configurator.
Click this icon to see the Status page. The information in this screen depends on the device mode you select.
Click this icon to see the Monitor navigation menu.
Click this icon to see the Configuration navigation menu.
Click this icon to see the Maintenance navigation menu.
The following table describes the labels shown in the Status screen.
Table 6 Status Screen: Router Mode
LABEL DESCRIPTION
Device Information Host Name This is the System Name you enter in the Maintenance > General screen. It is for identification
purposes.
Model Number This is the model name of your device.
Firmware Version This is the firmware version and the date created. Sys OP Mode This is the device mode to which the EMG2881-T20A is set - Router Mode.
EMG2881-T20A User’s Guide
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Chapter 3 Router Mode
Table 6 Status Screen: Router Mode (continued)
LABEL DESCRIPTION
WAN/WAN 1/WAN 2 Information
MAC Address This shows the WAN Ethernet adapter MAC Address of your device.
IP Address This shows the WAN port’s IP address.
IP Subnet Mask This shows the WAN port’s subnet mask.
Default Gateway This shows the WAN port’s gateway IP address.
IPv6 Address This shows the IPv6 address of the EMG2881-T20A on the WAN.
LAN Information
MAC Address This shows the LAN Ethernet adapter MAC Address of your device.
IP Address This shows the LAN port’s IP address.
IP Subnet Mask This shows the LAN port’s subnet mask. DHCP This shows the LAN port’s DHCP role - Server or Disable.
IPv6 Address This shows the IPv6 address of the EMG2881-T20A on the LAN.
WLAN 2.4G Information
WLAN OP Mode This is the device mode to which the EMG2881-T20A’s wireless LAN is set - Access Point Mode.
MAC Address This shows the 2.4GHz wireless adapter MAC Address of your device.
SSID This shows a descriptive name used to identify the EMG2881-T20A in the 2.4GHz wireless LAN.
Channel This shows the channel number which you select manually.
Security This shows the level of wireless security the EMG2881-T20A is using.
WLAN 5G Information
WLAN OP Mode This is the device mode to which the EMG2881-T20A’s wireless LAN is set - Access Point Mode.
MAC Address This shows the 5GHz wireless adapter MAC Address of your device.
SSID This shows a descriptive name used to identify the EMG2881-T20A in the 5GHz wireless LAN.
Channel This shows the channel number which you select manually.
Security This shows the level of wireless security the EMG2881-T20A is using.
Firewall This shows whether the firewall is enabled or not.
System Status
Item This column shows the type of data the EMG2881-T20A is recording.
Data This column shows the actual data recorded by the EMG2881-T20A.
System Up Time This is the total time the EMG2881-T20A has been on.
Current Date/Time This field displays your EMG2881-T20A’s present date and time.
System Resource
- CPU Usage This displays what percentage of the EMG2881-T20A’s processing ability is currently used. When this percentage is close to 100%, the EMG2881-T20A is running at full load, and the throughput is not going to improve anymore. If you want some applications to have more throughput, you should turn off other applications (for example, using bandwidth management.)
- Memory Usage This shows what percentage of the heap memory the EMG2881-T20A is using.
Interface Status
Interface This displays the EMG2881-T20A port types. The port types are: WAN, LAN and WLAN.
EMG2881-T20A User’s Guide
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Chapter 3 Router Mode
Table 6 Status Screen: Router Mode (continued)
LABEL DESCRIPTION
Status For the LAN and WAN ports, this field displays Down (line is down) or Up (line is up or connected).
For the 2.4GHz/5GHz WLAN, it displays Up when the 2.4GHz/5GHz WLAN is enabled or Down when the 2.4G/5G WLAN is disabled.
Rate For the LAN ports, this displays the port speed or N/A when the line is disconnected.
For the WAN port, it displays the port speed and duplex setting if you’re using Ethernet encapsulation. This field displays N/A when the line is disconnected.
For the 2.4GHz/5GHz WLAN, it displays the maximum transmission rate when the 2.4GHz/5GHz WLAN is enabled and N/A when the WLAN is disabled.
3.2.1 Navigation Panel
Use the sub-menus on the navigation panel to configure EMG2881-T20A features.
Figure 8 Navigation Panel: Router Mode
The following table describes the sub-menus.
Table 7 Navigation Panel: Router Mode
LINK TAB FUNCTION
Status This screen shows the EMG2881-T20A’s general device, system and interface
status information. Use this screen to access the wizard, and summary statistics tables.
MONITOR
Client Tables Use this screen to view current DHCP client information.
EMG2881-T20A User’s Guide
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Chapter 3 Router Mode
Table 7 Navigation Panel: Router Mode (continued)
LINK TAB FUNCTION
CONFIGURATION
WAN
Management WAN
NAT General Use this screen to enable NAT.
Dynamic DNS Dynamic DNS Use this screen to set up dynamic DNS.
Interface Group
Wireless
Wireless Wireless Use this screen to enable the wireless LAN and configure wireless LAN and
LAN LAN IP Use this screen to configure LAN IP address and subnet mask.
Application
Bandwidth MGMT
UPnP UPnP Use this screen to enable UPnP on the EMG2881-T20A.
Security
IPv4 Firewall Use this screen to configure IPv4 firewall rules.
IPv6 firewall Use this screen to configure IPv6 firewall rules.
MAINTENANCE
General General Use this screen to view and change administrative settings such as system and
Password Password Use this screen to change the password of your EMG2881-T20A.
Time Time Setting Use this screen to change your EMG2881-T20A’s time and date.
Firmware Upgrade
Management WAN
Port Trigger Use this screen to change your EMG2881-T20A’s port triggering settings.
Passthrough Use this screen to enable or disable the VPN passthrough feature.
Interface Group
More AP Use this screen to configure multiple BSSs on the EMG2881-T20A.
MAC Filter Use the MAC filter screen to configure the EMG2881-T20A to block access to
Advanced This screen allows you to configure advanced wireless settings.
WPS Use this screen to configure WPS.
Scheduling Use this screen to schedule the times the Wireless LAN is enabled.
Static DHCP This screen allows you to assign IP addresses on the LAN to specific individual
IPv6 LAN Use this screen to configure the IPv6 address for the EMG2881-T20A on the LAN.
QoS General Use this screen to enable or disable QoS and set the upstream bandwidth.
Queue Setup Use this screen to configure QoS queue assignment.
Class Setup Use this screen to configure QoS classifiers.
Firmware Upgrade
This screen allows you to configure ISP parameters, WAN IP address assignment, DNS servers, the WAN MAC address, and VLAN settings.
Use this screen to add a LAN interface or a VLAN ID to a new group.
wireless security settings.
devices or block the devices from accessing the EMG2881-T20A.
Use this screen to enable the EMG2881-T20A’s DHCP server.
computers based on their MAC addresses.
domain names.
Use this screen to upload firmware to your EMG2881-T20A.
Backup/ Restore
Backup/ Restore
Use this screen to backup and restore the configuration or reset the factory defaults to your EMG2881-T20A.
EMG2881-T20A User’s Guide
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Chapter 3 Router Mode
Table 7 Navigation Panel: Router Mode (continued)
LINK TAB FUNCTION
Restart System Restart This screen allows you to reboot the EMG2881-T20A without turning the power
off.
Log Log Use this screen to view the list of activities recorded by your EMG2881-T20A.
ROMD ROMD Use this screen to save and/or clean the configuration to/from the ROMD file
which can store customized default settings.
EMG2881-T20A User’s Guide
23
CHAPTER 4
4.1 Overview
This chapter provides tutorials for setting up your EMG2881-T20A.
• Set Up a Wireless Network Using WPS
• Connect to the EMG2881-T20A’s WiFi Network Manually (No WPS)
• Using Multiple SSIDs on the EMG2881-T20A
4.2 Set Up a Wireless Network Using WPS
This section gives you an example of how to set up a wireless network using WPS. This example uses the EMG2881-T20A as the AP and a WPS-enabled Android 4.4.2 smartphone as the wireless client.
Tutorials
There are two WPS methods for creating a secure connection via the web configurator or utility. This tutorial shows you how to do both.
• Push Button Configuration (PBC) - create a secure wireless network simply by pressing a button. See
Section 4.2.1 on page 24. This is the easier method.
• PIN Configuration - create a secure wireless network simply by entering a wireless client's PIN (Personal
Identification Number) in the EMG2881-T20A’s interface. See Section 4.2.2 on page 25. This is the more secure method, since one device can authenticate the other.
4.2.1 Push Button Configuration (PBC)
1 Make sure that your EMG2881-T20A is turned on and that the device is placed within range of your
Android 4.42 smartphone.
2 WPS is enabled by default on the EMG2881-T20A. If not, log into EMG2881-T20A’s Web Configurator and
turn it on in the Configuration > Wireless > WPS screen. You can either press the WPS button on the EMG2881-T20A’s panel or press the Push Button button in the Configuration > Wireless > WPS screen
3 Go to your phone settings and turn on Wi-Fi. Open the Wi-Fi networks list and tap WPS Push Button or the
WPS icon ( ).
Note: It doesn’t matter which button is pressed first. You must press the second button within
two minutes of pressing the first one.
The EMG2881-T20A sends the proper configuration settings to the wireless client. This may take up to two minutes. Then the wireless client is able to communicate with the EMG2881-T20A securely.
EMG2881-T20A User’s Guide
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Chapter 4 Tutorials
Wireless Client
SECURITY INFO
COMMUNICATION
WITHIN 2 MINUTES
EMG
WPS
Press and hold for
more than 1 second
The following figure shows you an example to set up wireless network and security by pressing a button on both EMG2881-T20A and wireless client (the Android 4.4.2 phone in this example).
Figure 9 Example WPS Process: PBC Method
4.2.2 PIN Configuration
When you use the PIN configuration method, you need to check the client’s PIN number and use the EMG2881-T20A’s configuration interface.
1 Go to your phone settings and turn on Wi-Fi. Open the Wi-Fi networks list and tap WPS PIN Entry to get a
PIN number.
2 Enter the client’s PIN number to the PIN field in the Configuration > Wireless > WPS screen on the
EMG2881-T20A.
3 Click the Start button (or button next to the PIN field) on the EMG2881-T20A’s WPS screen within two
minutes.
The EMG2881-T20A authenticates the wireless client and sends the proper configuration settings to the wireless client. This may take up to two minutes. Then the wireless client is able to communicate with the EMG2881-T20A securely.
The following figure shows you the example to set up wireless network and security on EMG2881-T20A and wireless client (Android 4.4.2 smartphone in this example) by using PIN method.
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