No part of this publication may be reproduced in any form or by any means, whether
electronic, mechanical, photocopying, or recording without the written consent of OvisLink
Corp.
OvisLink Corp. has made the best effort to ensure the accuracy of the information in this
user’s guide. However, we are not liable for the inaccuracies or errors in this guide.
Please use with caution. All information is subject to change without notice
All Trademarks are properties of their respective holders.
This product contains some codes from GPL. In compliance with GPL agreement, AirLive will
publish the GPL codes on our website. Please go to www.airlive.com and go to the
"Support → GPL" menu to download source code.
The G.DUO is a dual radio wireless multi-function device based on IEEE 802.11g/b 2.4GHz
radio technologies. It features 2 WiFi radios for WISP and other applications that can not
be achieved using single radio. In addition, it features passive PoE port for installations in
places that have no nearby access to electricity (DC Injector is not included). Finally, it
also comes with a WAN port and Gateway+AP mode that can turn G.DUO into a wireless
router with 2 radios.
If you encounter any technical issues, we strongly recommend you read through Chapter 12:
Frequent Asked Questions. The answers you need are very likely to be there.
1.2 Firmware Upgrade and Tech Support
If you encounter a technical issue that can not be resolved by information on this guide, we
recommend that you visit our comprehensive website support at www.airlive.com. The
tech support FAQ are frequently updated with latest information.
In addition, you might find new firmwares that either increase software functions or provide
bug fixes for G.DUO. You can reach our on-line support center at the following link:
http://www.airlive.com/support/support_2.jsp
Since 2009, AirLive has added the “Newsletter Instant Support System” on our website.
AirLive Newsletter subscribers receives instant email notifications when there are new
download or tech support FAQ updates for their subscribed airlive models. To become an
AirLive newsletter member, please visit: http://www.airlive.com/member/member_3.jsp
Passive PoE Port for 12V Passive POE System. Passive DC Injector not included
1 x WAN port for xDSL and Cable Modem.
Wall Mount holes included
Bandwidth Control
Site Survey and Signal Strength indicator for antenna alignment
Emergency firmware recovery mode
Web, HTTPS, SSH/SSH2, Telnet, and SNMP managements
1.4 Wireless Operation Modes
The G.DUO can perform as a multi-function wireless device. Through the AirLogic web
interface, users can easily select which wireless mode they wish the G.DUO to perform.
The G.DUO can be configured to operate in the following wireless operation modes:
1.4.1 WISP + AP Mode
This mode is designed as 2-way wireless router for WISP subscriber. Radio1 acts as a
client router to connect with outdoor AP; Radio1 works as a wireless AP for home. This
combination allows WISP subscriber to share their Internet connection wirelessly.
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2
1. Introduction
1.4.2 Client + AP mode
In this mode, Radio1 is working as a wireless client to connect with remote AP. Radio2 is
working as an Access Point to redistribute the signal from Radio1. This combination
creates a wireless repeater with 2 radios. It can be used to amplify the signal from remote
AP.
1.4.3 Dual AP Mode
In this mode, the G.DUO works as 2 Access Points. You can have both radios with
directional antennas to create a larger coverage. Please remember to set the channels of
the radios as far apart as possible.
1.4.4 Gateway + AP
In this mode, both Radios are acting as wireless router. The WAN port is the LAN1 port.
The application for this is to extend the wireless router’s coverage. You can use 2
directional antennas to provide longer distance and wider coverage over large area, such
as in the shopping center. When using this mode, it is recommended to use directional
antennas for both radios to avoid mutual interference.
3 AirLive G.DUO User’s Manual
1. Introduction
1.4.5 WDS + AP
In this mode, the Radio1 is working in WDS Bridge mode while Radio2 works as an Access
Point. This mode is design to build a wireless backbone network while providing hotspot
access through Radio2’s AP network. It is ideal for Hotel Installation. When using this
mode, please make sure that the channels are set apart between Radio1 and Radio2.
Radio1 should install with directional antenna.
AirLive G.DUO User’s Manual
4
2. Install the G.DUO
2. Installing the G.DUO
2
This section describes the hardware features and the hardware installation procedure for
the G.DUO. For software configuration, please go to chapter 3 for more details.
2.1 Before You Start
It is important to read through this section before you install the G.DUO
It is recommended that you set the channels of the 2 radios as apart as possible
to avoid mutual interference. For example, Radio1 at channel 1 and Radio2 at
Channel 11
It is recommended that you adjust the antenna angles to get the best
performance. You can try to move the antenna outward as indicated on the
diagram below if you encounter poor performance problem.
The LAN1 port also work as the passive POE port and the WAN port(Gateway
mode only)
The passive PoE DC Injector is optional, it is not included with the package.
Please use a 12V passive POE system with G.DUO’s passive POE port. Do not
use 802.3af 48V system or PoE switch with the device.
2.2 Package Content
The G.DUO package contains the following items:
One G.DUO main unit
One 12V 1A DC power adapter
2 x Antennas (subject to change without notice)
User’s Guide CD
5 AirLive G.DUO User’s Manual
Quick Start Guide
2.3 Knowing your G.DUO
Below are descriptions and diagrams of the product:
2. Install the G.DUO
1
5
3
2
6
4
Radio 1 Antenna Connector
1
Radio 2 Antenna Connector
2
3
Power Adapter Connector
4
LAN Ports
5
WAN + Passive PoE Port
6
Reset Button
LED Indicators
7
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6
2. Install the G.DUO
2.4 Hardware Installation
.1. Please install the antennas by turning clock wise into the RF1 and RF2 antenna connectors
2. Now connect the power adapter to the G.DUO
3. Connect the Ethernet cable to one of the LAN port and the other end to your PC.
7 AirLive G.DUO User’s Manual
2. Install the G.DUO
4. If you are using G.DUO in Gateway mode to share your xDSL or Cable modem connection,
please connect the Internet cable to “WAN port”.
2.4.1 Passive PoE Installation
If you want to supply the power by using Passive PoE, please follow the installation
diagram below. Please note that that the passive DC Injector is not included with G.DUO,
it need to be purchased separately. G.DUO uses 12V passive PoE system.
AirLive G.DUO User’s Manual
8
2. Install the G.DUO
2.4.2 Wall Mount Installation
1. The holes for the wall mount screw are on the underside of the case. Please measure the
distance between the holes. Then install 2 screws in the desire location with the measured
distance apart from each other. Please do not screw all the way in, leave some space for
mounting with the G.DUO
2. Now please hang the G.DUO on those 2 screws.
9 AirLive G.DUO User’s Manual
2. Install the G.DUO
2.5 LED Table
This section describes the LED behavior of G.DUO. You can find the LED on the top side
of the G.DUO.
Power
Steady Blue – Normal Operation
OFF – No Power
RF1, RF2
Slow Flashing : Radio is active
Fast Flashing: Transmitting Data
OFF: Radio Disabled
LAN1 ~4, WAN
Steady Blue : Link established
Fast Flashing: Transmitting Data
OFF: No Link
2.6 Restore Settings to Default
If you have forgotten your G.DUO’s IP address or password, you can restore your G.DUO
to the default settings by pressing on the “reset button” for more than 5 seconds. You
might need a pen or pencil for this operation. The reset button is inside the bottom case.
Please see diagram below for details.
AirLive G.DUO User’s Manual
10
3. Configuring the G.DUO
3. Configuring the G.DUO
3
The G.DUO offers many different types of management interface. You can configure
through standard web browser (http), secured web (https), command line (telnet), secured
command shell (SSH), and SNMP management. In this chapter, we will explain G.DUO’s
available management interfaces and how to get into them.
3.1 Important Information
The following information will help you to get start quickly. However, we recommend you
to read through the entire manual before you start. Please note the password and SSID
are case sensitive.
The default IP address is: 192.168.1.254 Subnet Mask: 255.255.255.0
There is no password protection by default. To enable password protection,
please go to “System Configuration -> Password Settings”.
The default SSID for Radio1 is “airlive1”
The default SSID for Radio2 is “airlive2”
The default wireless mode is : WISP + AP mode
Please remember to “Apply Change” for settings to be saved and take effect.
Please remember to “Reboot” the device after all settings are changed.
Please keep the TX output power as low as possible for best performance.
By default, the Telnet and SSH functions are turned off. To enable them, please
go to “System Configuration” -> “System Management” menu.
The Emergency Firmware Recovery only works when you connect to LAN2, LAN3,
or LAN4 port. It will not work on LAN1
By Default, the DHCP server is turned on in WISP+AP and Gateway+AP mode.
The other modes’ DHCP server are turned off.
When you change the mode to WISP+AP or Gateway+AP mode, the GDUO’s IP
address might change to 192.168.1.254.
.
11 AirLive G.DUO User’s Manual
3. Configuring the G.DUO
3.2 Prepare your PC
The G.DUO can be managed remotely by a PC through either the wired or wireless network.
The default IP address of the G.DUO is 192.168.1.254 with a subnet mask of
255.255.255.0. This means the IP address of the PC should be in the range of
192.168.1.1` to 192.168.1.253.
To prepare your PC for management with the G.DUO, please do the following:
1. Connect your PC directly to the LAN port on the DC Injector of G.DUO
2. Set your PC’s IP address to “Obtain an IP address Automatically”. The G.DUO should
provide your PC an valid IP address.
3. If you want to set your PC’s IP address manually, please set to 192.168.1.50 (or other
address in the same subnet)
50
You are ready now to configure the G.DUO using your PC.
3.3 Management Interface
The G.DUO can be configured using one the management interfaces below:
Web Management (HTTP): You can manage G.DUO by simply typing its IP address
in the web browser. Most functions of G.DUO can be accessed by web management
interface. We recommend using this interface for initial configurations. To begin,
simply enter G.DUO’s IP address (default is 192.168.1.254) on the web browser..
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12
3. Configuring the G.DUO
Secured Web Management (HTTPS): HTTPS is also using web browser for
configuration. But all the data transactions are securely encrypted using SSL
encryption. Therefore, it is a safe and easy way to manage your G.DUO. We highly
recommend WISP and service provider to use HTTPS for management.
To begin, simply enter https://192.168.1.254 on your web browser. A security alert
screen from your browser might pop up. Please grant all permission and get
certificate to G.DUO.
Command Line Interface (Telnet): G.DUO can be managed through the
command line interface (CLI). Telnet does not encrypt its message. Therefore, it
is not secure. The default Telnet management port is TCP port 23.
By default, the G.DUO’s Telnet interface is turned off. To enable it, please go to
“System Configuration -> System Management” menu and enable “Telnet”.
To use the CLI, please open the command line window. Then type “telnet
192.168.1.254” to start.
Telnet 192.168.1.254
To get a list of available command and their usage, please type “help” on the
command prompt.
Secure Shell (SSH, SSH2): SSH is an encrypted Command Line Interface that
allow user to send text commands through SSL encryption. Therefore, it provides
the added advantage of security comparing to Telnet. The default management
port for SSH/SSH2 is TCP/UDP port 22.
By default, the G.DUO’s SSH/SSH2 interface is turned off. To enable it, please go to
“System Configuration -> System Management” menu and enable “SSH”.
To manage via the SSH/SSH2 protocol, you would need a SSH client. Free SSH
clients are widely available on the Internet. You can find where to download them
by using Internet search engine such as Google. In this guide, we will use a
popular SSH/Telnet utility call Putty.
Once you have download and install Putty. Please follow the figure below to make
a connection with G.DUO:
1. Choose “SSH” as indicated in the diagram
13 AirLive G.DUO User’s Manual
3. Configuring the G.DUO
2. Enter the IP address of G.DUO
3. Click on “Open” to start the SSH session.
2
1
When the following screen appear, click on “Yes” to continue
If you have set up password, please enter your login and password. If not, you will
enter the command prompt directly. Now you are ready to enter commands
To get a list of available command and their usage, please type “help” on the
command prompt.
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14
3. Configuring the G.DUO
3.4 Introduction to Web Management
The G.DUO offers both normal (http) and secured (https) Web Management interfaces.
Their share the same interface and functions, and they can both be accessed through web
browsers. The only difference is HTTPS data are encrypted for extra security. Therefore,
we will discuss them together as “Web Management” on this guide.
If you are placing the G.DUO behind router or firewall, you might need to open virtual server
ports to G.DUO on your firewall/router
HTTP: TCP Port 80
HTTPS: TCP/UDP Port 443
This procedure is not necessary in most cases unless there is a router/firewall between
your PC and G.DUO.
3.4.1 Getting into Web Management
Normal Web Management (HTTP)
To get into the Normal Web Management, simply type in the G.DUO’s IP address (default IP
is 192.168.1.254) into the web browser’s address field.
Secured Web Management (HTTPS)
To get into the Secured Web Management, just type “https://192.168.1.254 ” into the web
browser’s address field. The “192.168.1.254” is G.DUO’s default IP address. If the IP
address is changed, the address entered in the browser should change also.
A security warning screen from your browser will then pop-up depending on the browser
you use. Please follow step below to clear the security screen.
Internet Explorer: Select “Yes” to proceed
15 AirLive G.DUO User’s Manual
Firefox:
3. Configuring the G.DUO
1. Select “or you can add an exception”
1
2. Click on “Add Exception”
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2
16
3. Configuring the G.DUO
3. Click on “Get Certificate”. Then, please enter G.DUO’s IP address. Finally,
please click on “Confirm Security Exception.”
3
4
3.4.2 Web Menu Structure
After you enter the Web configuration, the following screen will appear:
Wireless Settings
Language Selection
Wireless Settings: The G.DUO’s wireless settings are different between wireless
modes. Only functions that are applicable to the wireless mode will show to
simplify configuration. For this reason, the first step to configure the G.DUO is to
select the wireless mode. The router mode specific functions are also in this
17 AirLive G.DUO User’s Manual
3. Configuring the G.DUO
menu category. For explanation of different wireless modes, please refer to
Chapter 1.
System Configuration: All non-wireless and router mode settings are in this
category. The system configurations including changing password, upload
firmware, backup configuration, settings PING watchdog, and setting management
interface. We recommend you should enable password protection during the first
time login.
Device Status: This section for monitoring the status of G.DUO. It provides
information on device status, Ethernet status, wireless status, wireless client table,
and system log.
Language Selection: You can change the language for the Web interface from
here.
3.5 Initial Configurations
We recommend users to browse through G.DUO’s web management interface to get an
overall picture of the functions and interface. Below are the recommended initial
configurations for first time login:
3.5.1 Choose the wireless Operation Modes
The wireless settings of G.DUO are dependant on the wireless operation mode you choose.
Therefore, the first step is to choose the operation mode. For explanation on when to use
what operation mode, please refer to Chapter 1
Mode Diagram
Current Mode
AirLive G.DUO User’s Manual
Click to configure wireless settings
18
3. Configuring the G.DUO
Mode Diagram: this shows you the operation flow between Radio1, Radio2, and the
LAN/WAN ports. It helps you to understand how the mode works.
Current Mode: The active setup button indicates the current operation mode. When
you press the “Setup Button”, it will bring you to the wireless setting page.
Changing Mode:
Follow the example below to change to “Gateway+AP” mode
1. Select “Gateway + AP” mode.
2. Click on “Setup Button” button
3. The AP might ask you to confirm the mode change. Once confirm, the AP will
reboot to its new mode.
1
2
3.5.2 Change the Device’s IP Address
The default IP address is at 192.168.1.254. You should change it to the same subnet as
your network. Also, if you want to manage G.DUO remotely, you have to set the Gateway
and DNS server information.
To setup the IP settings for G.DUO, please select “System Configuration” -> LAN Interface
Setup”. After entering the IP information, click on “Apply” to finish.
19 AirLive G.DUO User’s Manual
3. Configuring the G.DUO
1
2
3
3.5.3 Enable Password Protection
The G.DUO’s password protection is turned off by default. You should enable it and set
your own password. To enable password protection, please go to “System Configuration”
-> “Password Settings” menu. Then enter your username and password, and click on
“Apply Change” button. You can also come to this menu to change your password in the
future.
3.5.4 Enable Telnet or SSH
The Telnet and SSH management interface are turned off by default. If you wish to use
them, please go to the “System Configuration -> System Management” menu. Check
“Telnet” or “SSH”, then click on “Apply Change” button.
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20
3. Configuring the G.DUO
21 AirLive G.DUO User’s Manual
4. WISP + AP Mode
4. WISP + AP Mode
4
In this chapter, we will explain about the wireless settings for WISP+AP Mode. Please be
sure to read through Chapter 1.4 and Chapter 3’s “Introduction to Web Management” and
“Initial Configurations” first.
4.1 Application for WISP+AP Mode
This mode is designed for WISP subscriber to have both Internet connection to WISP AP
and wireless network for home. Radio1 acts as a client router to connect with outdoor AP;
Radio1 works as a wireless AP for home. This combination allows WISP subscriber to
share their Internet connection wirelessly. In this mode, the WAN on the Radio1 side.
AirLive G.DUO User’s Manual
22
4. WISP + AP Mode
4.2 Step-by-Step Example
In this example, we will use a G.DUO to establish a connection service to the WISP outdoor
AP
SSID: OutdoorAP
Encryption: WPA-PSK
4.2.1 Environment
In this example, the G.DUO will be connecting to the Outdoor AP using Radio1. Radio1
will be running in WISP mode which is also known as “Client Router”. Radio 2 will be
running in AP mode to share the WISP connection wirelessly to the notebook PC.
The configuration procedure should be as followed:
1. Configure Radio1 first.
2. Use “Site Survey” function to find the Outdoor AP and adjust antenna alignment
using “Signal Survey” function
3. Use “Site Survey” to establish connection and enter encryption key with Outdoor
AP
4. Configure the WAN type for the Radio1 to the Outdoor AP
5. Enable the “Remote Management” so WISP operator can manage the AP from
remote
6. Configure Radio2 now
7. You should be able to keep default settings for most of the Radio2’s function
8. But you need to change the channel of Radio2 so it is as far apart from Radio1 as
possible.
9. Set Encryption for Radio2.
10. You should be able to link the Notebook PC to “airlive2” SSID and enter the
correct encryption key.
23 AirLive G.DUO User’s Manual
4. WISP + AP Mode
4.2.2 Configuration Steps
Radio1
Step1: Click on the wireless settings on WISP+AP mode. It should bring you to the
“Wireless Setting” Page.
Step2: Click on “Site Survey” Setup button. The following screen should appear with results
of available APs in the area.
Step2: Now select “Outdoor AP” on the list, then press “Signal Survey”. Adjust your
antenna until the signal level is at the highest.
Step3: Now close the window and go back to the “Site Survey” page. Select the “Outdoor
AP” and press the “Connect” button. The G.DUO will inform you “encryption type
mismatch!” and ask if you want to configure the encryption setting. Select “Yes” to
proceed.
AirLive G.DUO User’s Manual
24
4. WISP + AP Mode
Step4: Choose “WPA”->”Personal(Pre Shared Key)” -> “TKIP”. Then enter the correct
encryption key. The wireless connection should establish after this.
Step5: Go to the wireless setting page and select “WAN Port”. Enter the WAN information
(in this example is “Static IP”) and check the “Enable Web Access on WAN” for remote
management.
Radio2
Step1: Go to the wireless setting and change the interface to “Radio2”
Step2: Now we know the “Outdoor AP” is using Channel 11. Please set Radio2’s channel
to as far as possible. In this case, it will be “Channel 1”.
.
25 AirLive G.DUO User’s Manual
4. WISP + AP Mode
Step3: Go to the “Security” setup and set your encryption as “WPA”->”Pre-Shared
Key”->”TKIP”. Enter your encryption key. .
4.3 Radio1: WISP Router Mode Settings
The Radio1 is working in Client Mode with NAT routing function, it is also known as “Client
Router”. The WAN is on the wireless side.
When you select “Radio1” as the interface, the following screen will appear.
4.3.1 Basic Wireless Settings
Band: You can choose between “802.11g/b”, “802.11g”, or “802.11b”. We
recommend to leave the setting at “802.11g/b”.
SSID: The SSID setting of the remote AP. If you are not sure, you can click on
“Site Survey” button to scan for AP.
Channel: Wireless Channel used. For EU, it is channel 1~13. For U.S.A., it is
channel 1~11. For Client and WISP mode, this field is applicable only in Adhoc
mode.
AirLive G.DUO User’s Manual
26
4. WISP + AP Mode
4.3.2 Security Settings
Operation Mode -> Setup -> Security Settings
Security settings allow you to use encryption to secure your data from eavesdropping.
You can select different security policy to provide association authentication and/or data
encryption. The G.DUO features various security policies including WEP, 802.1x, WPA,
WPA Personal, WPA2, WPA2 Personal , WPA Mixed.
WEP
WEP Encryption is the oldest and most available encryption method. However, it is also
the least secure.
Select one of the WEP key for wireless network: There are total of 4 possible keys
for WEP encryption. You need to choose which key will be used for encryption. All
wireless devices on the same network have to use the same settings. We
recommend using WEP Key 1 as in default setting.
Authentication: 2 types of Authentication are offered. Open system and
Shared key. If you are not sure which one to use, please select “Auto”.
Key Length: The G.DUO offers 64bit and 128 bit for WEP key length. The
longer the Key Length, the more secure the encryption is.
Key Type: 2 types are available: ASCII and HEX. ASCII is a string of ASCII
code including alphabetical characters, space, signs and numbers (i.e.
“airlivepass12”). HEX is a string of 16-bit hexadecimal digits (0..9, a, b, c, d, e, f).
All wireless devices on the network must match the exact key length and Key type.
Some Wireless clients only allow HEX type for WEP.
ASCII-64: This is a key with 64-bit key length of ASCII type. Please enter 5
27 AirLive G.DUO User’s Manual
4. WISP + AP Mode
ASCII Characters if you choose this option. For example, “passw”
HEX-64: This is a key with 64-bit key length of HEX type. Please enter 10
Hexadecimal digits if you choose this option. For example, “12345abcdef”
ASCII-128: This is a key with 64-bit key length of ASCII type. Please enter 13
ASCII Characters if you choose this option. For example, “airlivewepkey”
HEX-128: This is a key with 128-bit key length of HEX type. Please enter 26
Hexadecimal digits if you choose this option. For example,
“1234567890abcdef1234567890”
WPA-PSK, WPA2-PSK, WPA-AUTO
Wi-Fi Protected Access (WPA) introduces the Temporal Key Integrity Protocol (TKIP)
that provides added security. WPA2 adds full support for 802.11i standard and the
CCMP (AES Encryption). The WPA Mixed tries to authenticate wireless clients using
both WPA-PSK or WPA2-PSK.
Encryption Type: There are two encryption types TKIP and CCMP (AES). While
CCMP provides better security than TKIP, some wireless client stations may not be
equipped with the hardware to support it. You can select Mixed to allow TKIP clients
and CCMP clients to connect to the Access Point at the same time.
Pre-Shared Key Format: You can select between Passphrase(ASCII) or HEX
format. Please select Passphrase if you are not sure what to use.
Pre-Shared Key: Enter the password key here..
4.3.3 Advance (Wireless Settings)
Operation Mode -> Setup -> Advance
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28
4. WISP + AP Mode
Fragmentation: When the size of a unicast frame exceeds the fragmentation
threshold, it will be fragmented before the transmission. It should have a value of
256-2346 bytes, with a default of 2346. If you experience a high packet error rate,
you should slightly decrease the Fragmentation Threshold.
RTS Threshold: RTS/CTS frames are used to gain control of the medium for
transmission. Any unicast (data or control) frames larger than specified RTS threshold
must be transmitted following the RTS/CTS handshake exchange mechanism. The
RTS threshold should have a value between 256-2347 bytes, with a default of 2347. It
is recommended that this value does not deviate from the default too much.
Beacon Interval: The device broadcasts beacon frames regularly to announce its
existence. The beacon Interval specifies how often beacon frames are transmitted in
time unit of milliseconds. The default value is 100, and a valid value should be between
1 and 65,535.
AckTimeOut: When a packet is sent out from one wireless station to the other, it will
waits for an Acknowledgement frame from the remote station. The station will only
wait for a certain amount of time, this time is called the ACK timeout. In most
conditions, please put ACKtimeout value at zero(default value). The AP will calculate
the ACKtimeout automatically when the value is zero. However, you can also enter
the ACKtimeout manually.
Preamble Type: A preamble is a signal used in wireless environment to synchronize
the transmitting timing including Synchronization and Start frame delimiter. In a "noisy"
network environment, the Preamble Type should be set to Long Preamble. The Short
Preamble is intended for applications where minimum overhead and maximum
29 AirLive G.DUO User’s Manual
4. WISP + AP Mode
performance is desired. If in a "noisy" network environment, the performance will be
decreased.
IAPP: IAPP (Inter Access Point Protocol) is designed for the enforcement of unique
association throughout a ESS (Extended Service Set) and a secure exchange of
station’s security context between current access point (AP) and new AP during
handoff period.
BG Protection: The 802.11g standard includes a protection mechanism to ensure mixed 802.11b
and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may
mutually interfere and decrease network’s performance.
.
Hide SSID: Enable Hide SSID will make the AP network’s SSID invisible. A device
can link with the AP only if correct SSID name is entered.
TX Power Level: You can set your TX Output power level here. Please note the
maximum allowable TX output power in EU is 20dBm. Please do not exceed your
country’s legal limit.
4.3.4 Site Survey
Operation Mode -> Setup -> Site Survey
You can scan for wireless networks around your location using the Site Survey function.
From the site survey function, you can also perform antenna alignment and establish
wireless connection
When you click on Site Survey, the following screen will appear. It might take awhile
depending on number of available APs in the area.
Click here to select
SSID for Association
To connect with the
selected SSID. This
function is available only
in Client Infrastructure or
Bridge Infrastructure
For antenna
alignment. It will
display and update
the Signal Strength
conitnously
or Signal Survey
d
AirLive G.DUO User’s Manual
30
4. WISP + AP Mode
4.3.5 Signal Survey
Operation Mode -> Setup -> Site Survey -> Signal Survey
The Signal Survey will continuously display the SIGNAL STRENGTH value of the selected
SSID for antenna alignment purpose. To use Signal Survey function, please enter the
“Site Survey” function first; please refer to the instruction in the above section. Once you
select the ESSID and click on the “Signal Survey” button, the following screen will appear.
BSSID: This is the remote AP’s MAC address.
Channel: The current scanned channel
Signal Strength: This is signal strength number in percentage in 0 to 100 scale.
The higher the number, the better signal.
4.3.6 WAN Port
Operation Mode -> Setup -> WAN Port
The G.DUO support different authentication and IP assignment standards for the WAN port.
It includes fixed IP, DHCP, PPPoE, PPTP, L2TP, and Big Pond protocols. Please consult
with your ISP about what authentication type is used for the WAN port connection.
31 AirLive G.DUO User’s Manual
4. WISP + AP Mode
Clone MAC Address: In this place, you can assign a MAC address for the WAN
port. In case of WISP mode, it is Radio1’s MAC address. For Gatway mode, it
is the WAN/LAN1 MAC address.
Enable UPnP: Check this field will enable Universal Plug n Play protocol
Enable Web Server Access on WAN: Check this field will enable remote
management from WAN side.
4.3.7 Virtual Server Settings
Virtual server allows you to specify one or more applications running on server computers
on the LAN that may be accessed by any Internet user. Internet data destined for the
specified public port will be directed to the specified private port number on the LAN client
with the specified private IP address.
If you want to allow your web server, ftp server, or email server to be accessible from
Internet, you would need to open specific port on the virtual server to your local IP address.
For a list of most frequent used TCP and UDP ports. Please visit
DMZ opens all TCP/UDP ports to particular IP address on the LAN side. It allows setting
up servers behind the G.DUO.
AirLive G.DUO User’s Manual
32
4. WISP + AP Mode
4.3.9 DDNS
Dynamic Domain Name System. An algorithm that allows the use of dynamic IP address
for hosting Internet Server. A DDNS service provides each user account with a domain
name. The G.DUO support “Dyndns” and “TZO” service.
4.3.10 DoS (Denial of Service)
Denial of Service is a type of network attack that floods the network with useless traffic.
Many DoS attacks, such as the Ping of Death and Teardrop attacks, exploit limitations in
the TCP/IP protocols.
The G.DUO provides a list of Firewall grade DoS control that protect your network from
hacker attack.
33 AirLive G.DUO User’s Manual
4. WISP + AP Mode
4.3.11 URL Filter
The G.DUO provide URL filter function to stop access to certain website. It is especially
useful for parents to stop children from accessing some websites.
4.3.12 MAC Filter
MAC filter can filter out traffic from certain MAC addresses. It can prevent access to
internet from certain station in the local LAN.
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34
4. WISP + AP Mode
4.3.13 IP Filter
IP filtering allows you to block certain IP addresses from accessing the network.
4.3.14 Port Filter
Port filtering allows you to block certain applications from accessing the network.
4.3.15 Router (Static Route)
This allows you to manually configure static network routes. Static routes will override
routes learned by standard routing protocol discover methods.
35 AirLive G.DUO User’s Manual
4. WISP + AP Mode
4.3.16 RIP (Routing Information Protocol
Operation Mode -> Setup -> Access Control
The Routing Information Protocol (RIP) is a dynamic routing protocol used in local and wide
area networks
AirLive G.DUO User’s Manual
36
4. WISP + AP Mode
4.4 Radio2: AP Mode Settings
The Radio2 is working in Access Point Mode. The default SSID is “AirLive2”.
When you select “Radio2” as the interface, the following screen will appear:
4.4.1 Basic Wireless Settings
Band: You can choose between “802.11g/b”, “802.11g”, or “802.11b”. We
recommend leaving the setting at “802.11g/b”.
SSID: The SSID setting of the remote AP. If you are not sure, you can click on
“Site Survey” button to scan for AP.
Channel: Wireless Channel used. For EU, it is channel 1~13. For U.S.A., it is
channel 1~11.
4.4.2 Security Settings
Operation Mode -> Setup -> Security Settings
Security settings allow you to use encryption to secure your data from eavesdropping.
You can select different security policy to provide association authentication and/or data
encryption. The G.DUO features various security policies including WEP, 802.1x, WPA,
WPA Personal, WPA2, WPA2 Personal , WPA Mixed.
37 AirLive G.DUO User’s Manual
4. WISP + AP Mode
WEP
WEP Encryption is the oldest and most available encryption method. However, it is also
the least secure.
Select one of the WEP key for wireless network: There are total of 4 possible keys
for WEP encryption. You need to choose which key will be used for encryption. All
wireless devices on the same network have to use the same settings. We
recommend using WEP Key 1 as in default setting.
Authentication: 2 types of Authentication are offered. Open system and
Shared key. If you are not sure which one to use, please select “Auto”.
Key Length: The G.DUO offers 64bit and 128 bit for WEP key length. The
longer the Key Length, the more secure the encryption is.
Key Type: 2 types are available: ASCII and HEX. ASCII is a string of ASCII
code including alphabetical characters, space, signs and numbers (i.e.
“airlivepass12”). HEX is a string of 16-bit hexadecimal digits (0..9, a, b, c, d, e, f).
All wireless devices on the network must match the exact key length and Key type.
Some Wireless clients only allow HEX type for WEP.
ASCII-64: This is a key with 64-bit key length of ASCII type. Please enter 5
ASCII Characters if you choose this option. For example, “passw”
HEX-64: This is a key with 64-bit key length of HEX type. Please enter 10
Hexadecimal digits if you choose this option. For example, “12345abcdef”
ASCII-128: This is a key with 64-bit key length of ASCII type. Please enter 13
ASCII Characters if you choose this option. For example, “airlivewepkey”
HEX-128: This is a key with 128-bit key length of HEX type. Please enter 26
Hexadecimal digits if you choose this option. For example,
The WPA Personal is also known as “WPA-PSK” encryption. Wi-Fi Protected Access
(WPA) introduces the Temporal Key Integrity Protocol (TKIP) that provides added
security. WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption).
The WPA-Mixed tries to authenticate wireless clients using both WPA-PSK or
WPA2-PSK.
Encryption Type: There are two encryption types TKIP and CCMP (AES). While
CCMP provides better security than TKIP, some wireless client stations may not be
equipped with the hardware to support it. You can select Mixed to allow TKIP clients
and CCMP clients to connect to the Access Point at the same time.
Pre-Shared Key Format: You can select between Passphrase(ASCII) or HEX
format. Please select Passphrase if you are not sure what to use.
Wi-Fi Protected Access (WPA) Enterprise uses Radius Server as the authenticator.
WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption). The
WPA-Mixed tries to authenticate wireless clients using both WPA or WPA2.
39 AirLive G.DUO User’s Manual
4.4.3 Advance (Wireless Settings)
Operation Mode -> Setup -> Advance
4. WISP + AP Mode
Fragmentation: When the size of a unicast frame exceeds the fragmentation
threshold, it will be fragmented before the transmission. It should have a value of
256-2346 bytes, with a default of 2346. If you experience a high packet error rate,
you should slightly decrease the Fragmentation Threshold.
RTS Threshold: RTS/CTS frames are used to gain control of the medium for
transmission. Any unicast (data or control) frames larger than specified RTS threshold
must be transmitted following the RTS/CTS handshake exchange mechanism. The
RTS threshold should have a value between 256-2347 bytes, with a default of 2347. It
is recommended that this value does not deviate from the default too much.
AirLive G.DUO User’s Manual
40
4. WISP + AP Mode
Beacon Interval: The device broadcasts beacon frames regularly to announce its
existence. The beacon Interval specifies how often beacon frames are transmitted in
time unit of milliseconds. The default value is 100, and a valid value should be between
1 and 65,535.
AckTimeOut: When a packet is sent out from one wireless station to the other, it will
waits for an Acknowledgement frame from the remote station. The station will only
wait for a certain amount of time, this time is called the ACK timeout. In most
conditions, please put ACKtimeout value at zero(default value). The AP will calculate
the ACKtimeout automatically when the value is zero. However, you can also enter
the ACKtimeout manually.
Preamble Type: A preamble is a signal used in wireless environment to synchronize
the transmitting timing including Synchronization and Start frame delimiter. In a "noisy"
network environment, the Preamble Type should be set to Long Preamble. The Short
Preamble is intended for applications where minimum overhead and maximum
performance is desired. If in a "noisy" network environment, the performance will be
decreased.
IAPP: IAPP (Inter Access Point Protocol) is designed for the enforcement of unique
association throughout a ESS (Extended Service Set) and a secure exchange of
station’s security context between current access point (AP) and new AP during
handoff period.
BG Protection: The 802.11g standard includes a protection mechanism to ensure mixed 802.11b
and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may
mutually interfere and decrease network’s performance.
.
Hide SSID: Enable Hide SSID will make the AP network’s SSID invisible. A device
can link with the AP only if correct SSID name is entered.
Isolation: Enable Isolation will prevent wireless clients to see each other on the
network.
TX Power Level: You can set your TX Output power level here. Please note the
maximum allowable TX output power in EU is 20dBm. Please do not exceed your
country’s legal limit.
4.4.4 Access Control
Operation Mode -> Setup -> Access Control
The G.DUO allows you to define a list of MAC addresses that are allowed or denied to
41 AirLive G.DUO User’s Manual
4. WISP + AP Mode
access the wireless network. This function is available only for Access Point and Gateway
modes.
Access Control List
Disable: When selected, no MAC address filtering will be performed.
Allow list: When selected, data traffic from only the specified devices in the
table will be allowed in the network.
Deny list: When selected, data traffic from the devices specified in the table
will be denied/discarded by the network.
4.4.5 Associated Clients
Click on this to show the current wireless clients associated to the AP. It will display MAC
adderss, Trasmit packet, Tx rate, power saving, expire time, and signal strength.
AirLive G.DUO User’s Manual
42
5. Dual AP Mode
5. Dual AP Mode
5
In this chapter, we will explain about the wireless settings for Dual Mode. Please be sure
to read through Chapter 1.4 and Chapter 3’s “Introduction to Web Management” and “Initial Configurations” first.
It is highly recommended that you use 2 directional antennas in this mode to achieve larger
coverage and avoid mutual interference. If you need to use the supplied 2dBi omni
antennas, please adjust them according to the diagram below:
5.1 Application for Dual AP Mode
The Dual AP mode is designed to extend the wireless coverage of the Hotspot network.
Therefore, you should use directional antennas (like a 10dBi panel antenna) to let each
radio cover separate areas.
43 AirLive G.DUO User’s Manual
5. Dual AP Mode
5.2 Radio1 and 2: AP Mode Settings
Since both Radio1 and Radio2 are Access Point mode. The configuration menu are the
same. We will explain them together here. Radio1’s default SSID is “airlive1”, Radio2’s
default SSID is “airlive2”.
5.2.1 Basic Wireless Settings
Band: You can choose between “802.11g/b”, “802.11g”, or “802.11b”. We
recommend leaving the setting at “802.11g/b”.
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44
5. Dual AP Mode
SSID: The SSID setting of the remote AP. If you are not sure, you can click on
“Site Survey” button to scan for AP.
Channel: Wireless Channel used. For EU, it is channel 1~13. For U.S.A., it is
channel 1~11.
5.2.2 Security Settings
Operation Mode -> Setup -> Security Settings
Security settings allow you to use encryption to secure your data from eavesdropping.
You can select different security policy to provide association authentication and/or data
encryption. The G.DUO features various security policies including WEP, 802.1x, WPA,
WPA Personal, WPA2, WPA2 Personal, WPA Mixed.
WEP
WEP Encryption is the oldest and most available encryption method. However, it is also
the least secure.
Select one of the WEP key for wireless network: There are total of 4 possible keys
for WEP encryption. You need to choose which key will be used for encryption. All
wireless devices on the same network have to use the same settings. We
recommend using WEP Key 1 as in default setting.
Authentication: 2 types of Authentication are offered. Open system and
Shared key. If you are not sure which one to use, please select “Auto”.
Key Length: The G.DUO offers 64bit and 128 bit for WEP key length. The
45 AirLive G.DUO User’s Manual
5. Dual AP Mode
longer the Key Length, the more secure the encryption is.
Key Type: 2 types are available: ASCII and HEX. ASCII is a string of ASCII
code including alphabetical characters, space, signs and numbers (i.e.
“airlivepass12”). HEX is a string of 16-bit hexadecimal digits (0..9, a, b, c, d, e, f).
All wireless devices on the network must match the exact key length and Key type.
Some Wireless clients only allow HEX type for WEP.
ASCII-64: This is a key with 64-bit key length of ASCII type. Please enter 5
ASCII Characters if you choose this option. For example, “passw”
HEX-64: This is a key with 64-bit key length of HEX type. Please enter 10
Hexadecimal digits if you choose this option. For example, “12345abcdef”
ASCII-128: This is a key with 64-bit key length of ASCII type. Please enter 13
ASCII Characters if you choose this option. For example, “airlivewepkey”
HEX-128: This is a key with 128-bit key length of HEX type. Please enter 26
Hexadecimal digits if you choose this option. For example,
“1234567890abcdef1234567890”
The WPA Personal is also known as “WPA-PSK” encryption. Wi-Fi Protected Access
(WPA) introduces the Temporal Key Integrity Protocol (TKIP) that provides added
security. WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption).
The WPA-Mixed tries to authenticate wireless clients using both WPA-PSK or
WPA2-PSK.
Encryption Type: There are two encryption types TKIP and CCMP (AES). While
CCMP provides better security than TKIP, some wireless client stations may not be
equipped with the hardware to support it. You can select Mixed to allow TKIP clients
and CCMP clients to connect to the Access Point at the same time.
AirLive G.DUO User’s Manual
46
5. Dual AP Mode
Pre-Shared Key Format: You can select between Passphrase(ASCII) or HEX
format. Please select Passphrase if you are not sure what to use.
Wi-Fi Protected Access (WPA) Enterprise uses Radius Server as the authenticator.
WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption). The
WPA-Mixed tries to authenticate wireless clients using both WPA or WPA2.
5.2.3 Advance (Wireless Settings)
Operation Mode -> Setup -> Advance
47 AirLive G.DUO User’s Manual
5. Dual AP Mode
Fragmentation: When the size of a unicast frame exceeds the fragmentation
threshold, it will be fragmented before the transmission. It should have a value of
256-2346 bytes, with a default of 2346. If you experience a high packet error rate,
you should slightly decrease the Fragmentation Threshold.
RTS Threshold: RTS/CTS frames are used to gain control of the medium for
transmission. Any unicast (data or control) frames larger than specified RTS threshold
must be transmitted following the RTS/CTS handshake exchange mechanism. The
RTS threshold should have a value between 256-2347 bytes, with a default of 2347. It
is recommended that this value does not deviate from the default too much.
Beacon Interval: The device broadcasts beacon frames regularly to announce its
existence. The beacon Interval specifies how often beacon frames are transmitted in
time unit of milliseconds. The default value is 100, and a valid value should be between
1 and 65,535.
AckTimeOut: When a packet is sent out from one wireless station to the other, it will
waits for an Acknowledgement frame from the remote station. The station will only
wait for a certain amount of time, this time is called the ACK timeout. In most
conditions, please put ACKtimeout value at zero(default value). The AP will calculate
the ACKtimeout automatically when the value is zero. However, you can also enter
the ACKtimeout manually.
Preamble Type: A preamble is a signal used in wireless environment to synchronize
the transmitting timing including Synchronization and Start frame delimiter. In a "noisy"
network environment, the Preamble Type should be set to Long Preamble. The Short
Preamble is intended for applications where minimum overhead and maximum
performance is desired. If in a "noisy" network environment, the performance will be
decreased.
IAPP: IAPP (Inter Access Point Protocol) is designed for the enforcement of unique
association throughout a ESS (Extended Service Set) and a secure exchange of
station’s security context between current access point (AP) and new AP during
handoff period.
BG Protection: The 802.11g standard includes a protection mechanism to ensure mixed 802.11b
and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may
mutually interfere and decrease network’s performance.
.
Hide SSID: Enable Hide SSID will make the AP network’s SSID invisible. A device
can link with the AP only if correct SSID name is entered.
Isolation: Enable Isolation will prevent wireless clients to see each other on the
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48
5. Dual AP Mode
network.
TX Power Level: You can set your TX Output power level here. Please note the
maximum allowable TX output power in EU is 20dBm. Please do not exceed your
country’s legal limit.
5.2.4 Access Control
Operation Mode -> Setup -> Access Control
The G.DUO allows you to define a list of MAC addresses that are allowed or denied to
access the wireless network. This function is available only for Access Point and Gateway
modes.
Access Control List
Disable: When selected, no MAC address filtering will be performed.
Allow list: When selected, data traffic from only the specified devices in the
table will be allowed in the network.
Deny list: When selected, data traffic from the devices specified in the table
will be denied/discarded by the network.
5.2.5 Associated Clients
Click on this to show the current wireless clients associated to the AP. It will display MAC
adderss, Trasmit packet, Tx rate, power saving, expire time, and signal strength.
49 AirLive G.DUO User’s Manual
5. Dual AP Mode
AirLive G.DUO User’s Manual
50
6. Client + AP Mode
6. Client + AP Mode
6
In this chapter, we will explain about the wireless settings for Client + AP Mode. Please be
sure to read through Chapter 1.4 and Chapter 3’s “Introduction to Web Management” and
“Initial Configurations” first.
It is highly recommended that you use directional antenna for Radio1 in this mode to
achieve larger coverage and avoid mutual interference. If you need to use the supplied
2dBi omni antennas, please adjust them according to the diagram below:
6.1 Application for Client + AP Mode
In this mode, the Radio1 is acting as wireless client to remote AP. Radio2 is performing as
an Access Point. This mode is best used as a wireless repeater to extend the signal from
remote Wireless Router.
51 AirLive G.DUO User’s Manual
6.2 Radio1: Client Mode Settings
The Radio1 is working as wireless Client to Remote AP.
6. Client + AP Mode
When you select “Radio1” as the interface, the following screen will appear.
6.2.1 Basic Wireless Settings
Band: You can choose between “802.11g/b”, “802.11g”, or “802.11b”. We
recommend to leave the setting at “802.11g/b”.
SSID: The SSID setting of the remote AP. If you are not sure, you can click on
“Site Survey” button to scan for AP.
Channel: Wireless Channel used. For EU, it is channel 1~13. For U.S.A., it is
channel 1~11. For Client and WISP mode, this field is applicable only in Adhoc
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52
6. Client + AP Mode
mode.
6.2.2 Security Settings
Operation Mode -> Setup -> Security Settings
Security settings allow you to use encryption to secure your data from eavesdropping.
You can select different security policy to provide association authentication and/or data
encryption. The G.DUO features various security policies including WEP, 802.1x, WPA,
WPA Personal, WPA2, WPA2 Personal , WPA Mixed.
WEP
WEP Encryption is the oldest and most available encryption method. However, it is also
the least secure.
Select one of the WEP key for wireless network: There are total of 4 possible keys
for WEP encryption. You need to choose which key will be used for encryption. All
wireless devices on the same network have to use the same settings. We
recommend using WEP Key 1 as in default setting.
Authentication: 2 types of Authentication are offered. Open system and
Shared key. If you are not sure which one to use, please select “Auto”.
Key Length: The G.DUO offers 64bit and 128 bit for WEP key length. The
longer the Key Length, the more secure the encryption is.
Key Type: 2 types are available: ASCII and HEX. ASCII is a string of ASCII
code including alphabetical characters, space, signs and numbers (i.e.
“airlivepass12”). HEX is a string of 16-bit hexadecimal digits (0..9, a, b, c, d, e, f).
53 AirLive G.DUO User’s Manual
6. Client + AP Mode
All wireless devices on the network must match the exact key length and Key type.
Some Wireless clients only allow HEX type for WEP.
ASCII-64: This is a key with 64-bit key length of ASCII type. Please enter 5
ASCII Characters if you choose this option. For example, “passw”
HEX-64: This is a key with 64-bit key length of HEX type. Please enter 10
Hexadecimal digits if you choose this option. For example, “12345abcdef”
ASCII-128: This is a key with 64-bit key length of ASCII type. Please enter 13
ASCII Characters if you choose this option. For example, “airlivewepkey”
HEX-128: This is a key with 128-bit key length of HEX type. Please enter 26
Hexadecimal digits if you choose this option. For example,
“1234567890abcdef1234567890”
WPA-PSK, WPA2-PSK, WPA-AUTO
Wi-Fi Protected Access (WPA) introduces the Temporal Key Integrity Protocol (TKIP)
that provides added security. WPA2 adds full support for 802.11i standard and the
CCMP (AES Encryption). The WPA Mixed tries to authenticate wireless clients using
both WPA-PSK or WPA2-PSK.
Encryption Type: There are two encryption types TKIP and CCMP (AES). While
CCMP provides better security than TKIP, some wireless client stations may not be
equipped with the hardware to support it. You can select Mixed to allow TKIP clients
and CCMP clients to connect to the Access Point at the same time.
Pre-Shared Key Format: You can select between Passphrase(ASCII) or HEX
format. Please select Passphrase if you are not sure what to use.
Pre-Shared Key: Enter the password key here..
AirLive G.DUO User’s Manual
54
6.2.3 Advance (Wireless Settings)
Operation Mode -> Setup -> Advance
6. Client + AP Mode
Fragmentation: When the size of a unicast frame exceeds the fragmentation
threshold, it will be fragmented before the transmission. It should have a value of
256-2346 bytes, with a default of 2346. If you experience a high packet error rate,
you should slightly decrease the Fragmentation Threshold.
RTS Threshold: RTS/CTS frames are used to gain control of the medium for
transmission. Any unicast (data or control) frames larger than specified RTS threshold
must be transmitted following the RTS/CTS handshake exchange mechanism. The
RTS threshold should have a value between 256-2347 bytes, with a default of 2347. It
is recommended that this value does not deviate from the default too much.
Beacon Interval: The device broadcasts beacon frames regularly to announce its
existence. The beacon Interval specifies how often beacon frames are transmitted in
time unit of milliseconds. The default value is 100, and a valid value should be between
1 and 65,535.
AckTimeOut: When a packet is sent out from one wireless station to the other, it will
waits for an Acknowledgement frame from the remote station. The station will only
wait for a certain amount of time, this time is called the ACK timeout. In most
conditions, please put ACKtimeout value at zero(default value). The AP will calculate
the ACKtimeout automatically when the value is zero. However, you can also enter
the ACKtimeout manually.
Preamble Type: A preamble is a signal used in wireless environment to synchronize
the transmitting timing including Synchronization and Start frame delimiter. In a "noisy"
network environment, the Preamble Type should be set to Long Preamble. The Short
55 AirLive G.DUO User’s Manual
6. Client + AP Mode
Preamble is intended for applications where minimum overhead and maximum
performance is desired. If in a "noisy" network environment, the performance will be
decreased.
IAPP: IAPP (Inter Access Point Protocol) is designed for the enforcement of unique
association throughout a ESS (Extended Service Set) and a secure exchange of
station’s security context between current access point (AP) and new AP during
handoff period.
BG Protection: The 802.11g standard includes a protection mechanism to ensure mixed 802.11b
and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may
mutually interfere and decrease network’s performance.
.
Hide SSID: Enable Hide SSID will make the AP network’s SSID invisible. A device
can link with the AP only if correct SSID name is entered.
TX Power Level: You can set your TX Output power level here. Please note the
maximum allowable TX output power in EU is 20dBm. Please do not exceed your
country’s legal limit.
6.2.4 Site Survey
Operation Mode -> Setup -> Site Survey
You can scan for wireless networks around your location using the Site Survey function.
From the site survey function, you can also perform antenna alignment and establish
wireless connection
When you click on Site Survey, the following screen will appear. It might take awhile
depending on number of available APs in the area.
To connect with the
selected SSID. This
function is available only
in Client Infrastructure or
Bridge Infrastructure
For antenna
alignment. It will
display and update
the Signal Strength
conitnously
Click here to select
SSID for Association
or Signal Survey
d
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56
6. Client + AP Mode
6.2.5 Signal Survey
Operation Mode -> Setup -> Site Survey -> Signal Survey
The Signal Survey will continuously display the SIGNAL STRENGTH value of the selected
SSID for antenna alignment purpose. To use Signal Survey function, please enter the
“Site Survey” function first; please refer to the instruction in the above section. Once you
select the ESSID and click on the “Signal Survey” button, the following screen will appear.
BSSID: This is the remote AP’s MAC address.
Channel: The current scanned channel
Signal Strength: This is signal strength number in percentage in 0 to 100 scale.
The higher the number, the better signal.
6.2.6 Enable MAC Clone (Single Ethernet Client)
When this function is enabled, G.DUO will replace the MAC address of Radio1 with the
first PC’s MAC address caught from the LAN port. It will allow one single Ethernet
client only. Please use this function only if you want to limit the Ethernet client to only
one.
57 AirLive G.DUO User’s Manual
6. Client + AP Mode
6.3 Radio2: AP Mode Settings
The Radio2 is working in Access Point Mode. The default SSID is “AirLive2”.
When you select “Radio2” as the interface, the following screen will appear:
6.3.1 Basic Wireless Settings
Band: You can choose between “802.11g/b”, “802.11g”, or “802.11b”. We
recommend leaving the setting at “802.11g/b”.
SSID: The SSID setting of the remote AP. If you are not sure, you can click on
“Site Survey” button to scan for AP.
Channel: Wireless Channel used. For EU, it is channel 1~13. For U.S.A., it is
channel 1~11.
6.3.2 Security Settings
Operation Mode -> Setup -> Security Settings
Security settings allow you to use encryption to secure your data from eavesdropping.
You can select different security policy to provide association authentication and/or data
encryption. The G.DUO features various security policies including WEP, 802.1x, WPA,
WPA Personal, WPA2, WPA2 Personal , WPA Mixed.
WEP
WEP Encryption is the oldest and most available encryption method. However, it is also
the least secure.
AirLive G.DUO User’s Manual
58
6. Client + AP Mode
Select one of the WEP key for wireless network: There are total of 4 possible keys
for WEP encryption. You need to choose which key will be used for encryption. All
wireless devices on the same network have to use the same settings. We
recommend using WEP Key 1 as in default setting.
Authentication: 2 types of Authentication are offered. Open system and
Shared key. If you are not sure which one to use, please select “Auto”.
Key Length: The G.DUO offers 64bit and 128 bit for WEP key length. The
longer the Key Length, the more secure the encryption is.
Key Type: 2 types are available: ASCII and HEX. ASCII is a string of ASCII
code including alphabetical characters, space, signs and numbers (i.e.
“airlivepass12”). HEX is a string of 16-bit hexadecimal digits (0..9, a, b, c, d, e, f).
All wireless devices on the network must match the exact key length and Key type.
Some Wireless clients only allow HEX type for WEP.
ASCII-64: This is a key with 64-bit key length of ASCII type. Please enter 5
ASCII Characters if you choose this option. For example, “passw”
HEX-64: This is a key with 64-bit key length of HEX type. Please enter 10
Hexadecimal digits if you choose this option. For example, “12345abcdef”
ASCII-128: This is a key with 64-bit key length of ASCII type. Please enter 13
ASCII Characters if you choose this option. For example, “airlivewepkey”
HEX-128: This is a key with 128-bit key length of HEX type. Please enter 26
Hexadecimal digits if you choose this option. For example,
“1234567890abcdef1234567890”
The WPA Personal is also known as “WPA-PSK” encryption. Wi-Fi Protected Access
(WPA) introduces the Temporal Key Integrity Protocol (TKIP) that provides added
security. WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption).
The WPA-Mixed tries to authenticate wireless clients using both WPA-PSK or
WPA2-PSK.
Encryption Type: There are two encryption types TKIP and CCMP (AES). While
CCMP provides better security than TKIP, some wireless client stations may not be
equipped with the hardware to support it. You can select Mixed to allow TKIP clients
and CCMP clients to connect to the Access Point at the same time.
Pre-Shared Key Format: You can select between Passphrase(ASCII) or HEX
format. Please select Passphrase if you are not sure what to use.
Wi-Fi Protected Access (WPA) Enterprise uses Radius Server as the authenticator.
WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption). The
WPA-Mixed tries to authenticate wireless clients using both WPA or WPA2.
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60
6.3.3 Advance (Wireless Settings)
Operation Mode -> Setup -> Advance
6. Client + AP Mode
Fragmentation: When the size of a unicast frame exceeds the fragmentation
threshold, it will be fragmented before the transmission. It should have a value of
256-2346 bytes, with a default of 2346. If you experience a high packet error rate,
you should slightly decrease the Fragmentation Threshold.
RTS Threshold: RTS/CTS frames are used to gain control of the medium for
transmission. Any unicast (data or control) frames larger than specified RTS threshold
must be transmitted following the RTS/CTS handshake exchange mechanism. The
RTS threshold should have a value between 256-2347 bytes, with a default of 2347. It
is recommended that this value does not deviate from the default too much.
Beacon Interval: The device broadcasts beacon frames regularly to announce its
existence. The beacon Interval specifies how often beacon frames are transmitted in
time unit of milliseconds. The default value is 100, and a valid value should be between
1 and 65,535.
AckTimeOut: When a packet is sent out from one wireless station to the other, it will
waits for an Acknowledgement frame from the remote station. The station will only
wait for a certain amount of time, this time is called the ACK timeout. In most
conditions, please put ACKtimeout value at zero(default value). The AP will calculate
the ACKtimeout automatically when the value is zero. However, you can also enter
61 AirLive G.DUO User’s Manual
6. Client + AP Mode
the ACKtimeout manually.
Preamble Type: A preamble is a signal used in wireless environment to synchronize
the transmitting timing including Synchronization and Start frame delimiter. In a "noisy"
network environment, the Preamble Type should be set to Long Preamble. The Short
Preamble is intended for applications where minimum overhead and maximum
performance is desired. If in a "noisy" network environment, the performance will be
decreased.
IAPP: IAPP (Inter Access Point Protocol) is designed for the enforcement of unique
association throughout a ESS (Extended Service Set) and a secure exchange of
station’s security context between current access point (AP) and new AP during
handoff period.
BG Protection: The 802.11g standard includes a protection mechanism to ensure mixed 802.11b
and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may
mutually interfere and decrease network’s performance.
.
Hide SSID: Enable Hide SSID will make the AP network’s SSID invisible. A device
can link with the AP only if correct SSID name is entered.
Isolation: Enable Isolation will prevent wireless clients to see each other on the
network.
TX Power Level: You can set your TX Output power level here. Please note the
maximum allowable TX output power in EU is 20dBm. Please do not exceed your
country’s legal limit.
6.3.4 Access Control
Operation Mode -> Setup -> Access Control
The G.DUO allows you to define a list of MAC addresses that are allowed or denied to
access the wireless network. This function is available only for Access Point and Gateway
modes.
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6. Client + AP Mode
Access Control List
Disable: When selected, no MAC address filtering will be performed.
Allow list: When selected, data traffic from only the specified devices in the
table will be allowed in the network.
Deny list: When selected, data traffic from the devices specified in the table
will be denied/discarded by the network.
6.3.5 Associated Clients
Click on this to show the current wireless clients associated to the AP. It will display MAC
adderss, Trasmit packet, Tx rate, power saving, expire time, and signal strength.
63 AirLive G.DUO User’s Manual
7. Gateway + AP Mode
7. Gateway + AP Mode
7
In this chapter, we will explain about the wireless settings for Gateway+AP Mode. Please
be sure to read through Chapter 1.4 and Chapter 3’s “Introduction to Web Management”
and “Initial Configurations” first.
It is highly recommended that you use 2 directional antennas in this mode to achieve larger
coverage and avoid mutual interference. If you need to use the supplied 2dBi Omni
antennas, please adjust them according to the diagram below:
7.1 Application for Gateway +AP Mode
In this mode, both Radio1 and Radio2 are performing as AP Router. This is perfect for
shopping mall or office where they can extend the coverage of the wireless IP sharing.
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7. Gateway + AP Mode
In this mode, the WAN port is in the LAN1. It can be seen as a wireless router with 2
radios.
7.2 Radio1: WISP Router Mode Settings
Although both Radio1 and Radio2 are working as wireless router, the WAN configuration is
on the Radio1 side..
When you select “Radio1” as the interface, the following screen will appear.
65 AirLive G.DUO User’s Manual
7. Gateway + AP Mode
7.2.1 Basic Wireless Settings
Band: You can choose between “802.11g/b”, “802.11g”, or “802.11b”. We
recommend to leave the setting at “802.11g/b”.
SSID: The SSID setting of the remote AP. If you are not sure, you can click on
“Site Survey” button to scan for AP.
Channel: Wireless Channel used. For EU, it is channel 1~13. For U.S.A., it is
channel 1~11.
7.2.2 Security Settings
Operation Mode -> Setup -> Security Settings
Security settings allow you to use encryption to secure your data from eavesdropping.
You can select different security policy to provide association authentication and/or data
encryption. The G.DUO features various security policies including WEP, 802.1x, WPA,
WPA Personal, WPA2, WPA2 Personal , WPA Mixed.
WEP
WEP Encryption is the oldest and most available encryption method. However, it is also
the least secure.
Select one of the WEP key for wireless network: There are total of 4 possible keys
for WEP encryption. You need to choose which key will be used for encryption. All
wireless devices on the same network have to use the same settings. We
recommend using WEP Key 1 as in default setting.
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7. Gateway + AP Mode
Authentication: 2 types of Authentication are offered. Open system and
Shared key. If you are not sure which one to use, please select “Auto”.
Key Length: The G.DUO offers 64bit and 128 bit for WEP key length. The
longer the Key Length, the more secure the encryption is.
Key Type: 2 types are available: ASCII and HEX. ASCII is a string of ASCII
code including alphabetical characters, space, signs and numbers (i.e.
“airlivepass12”). HEX is a string of 16-bit hexadecimal digits (0..9, a, b, c, d, e, f).
All wireless devices on the network must match the exact key length and Key type.
Some Wireless clients only allow HEX type for WEP.
ASCII-64: This is a key with 64-bit key length of ASCII type. Please enter 5
ASCII Characters if you choose this option. For example, “passw”
HEX-64: This is a key with 64-bit key length of HEX type. Please enter 10
Hexadecimal digits if you choose this option. For example, “12345abcdef”
ASCII-128: This is a key with 64-bit key length of ASCII type. Please enter 13
ASCII Characters if you choose this option. For example, “airlivewepkey”
HEX-128: This is a key with 128-bit key length of HEX type. Please enter 26
Hexadecimal digits if you choose this option. For example,
“1234567890abcdef1234567890”
The WPA Personal is also known as “WPA-PSK” encryption. Wi-Fi Protected Access
(WPA) introduces the Temporal Key Integrity Protocol (TKIP) that provides added
security. WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption).
The WPA-Mixed tries to authenticate wireless clients using both WPA-PSK or
WPA2-PSK.
Encryption Type: There are two encryption types TKIP and CCMP (AES). While
67 AirLive G.DUO User’s Manual
7. Gateway + AP Mode
CCMP provides better security than TKIP, some wireless client stations may not be
equipped with the hardware to support it. You can select Mixed to allow TKIP clients
and CCMP clients to connect to the Access Point at the same time.
Pre-Shared Key Format: You can select between Passphrase(ASCII) or HEX
format. Please select Passphrase if you are not sure what to use.
Wi-Fi Protected Access (WPA) Enterprise uses Radius Server as the authenticator.
WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption). The
WPA-Mixed tries to authenticate wireless clients using both WPA or WPA2.
7.2.3 Advance (Wireless Settings)
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68
7. Gateway + AP Mode
Fragmentation: When the size of a unicast frame exceeds the fragmentation
threshold, it will be fragmented before the transmission. It should have a value of
256-2346 bytes, with a default of 2346. If you experience a high packet error rate,
you should slightly decrease the Fragmentation Threshold.
RTS Threshold: RTS/CTS frames are used to gain control of the medium for
transmission. Any unicast (data or control) frames larger than specified RTS threshold
must be transmitted following the RTS/CTS handshake exchange mechanism. The
RTS threshold should have a value between 256-2347 bytes, with a default of 2347. It
is recommended that this value does not deviate from the default too much.
Beacon Interval: The device broadcasts beacon frames regularly to announce its
existence. The beacon Interval specifies how often beacon frames are transmitted in
time unit of milliseconds. The default value is 100, and a valid value should be between
1 and 65,535.
AckTimeOut: When a packet is sent out from one wireless station to the other, it will
waits for an Acknowledgement frame from the remote station. The station will only
wait for a certain amount of time, this time is called the ACK timeout. In most
conditions, please put ACKtimeout value at zero(default value). The AP will calculate
the ACKtimeout automatically when the value is zero. However, you can also enter
the ACKtimeout manually.
Preamble Type: A preamble is a signal used in wireless environment to synchronize
the transmitting timing including Synchronization and Start frame delimiter. In a "noisy"
network environment, the Preamble Type should be set to Long Preamble. The Short
Preamble is intended for applications where minimum overhead and maximum
performance is desired. If in a "noisy" network environment, the performance will be
decreased.
IAPP: IAPP (Inter Access Point Protocol) is designed for the enforcement of unique
association throughout a ESS (Extended Service Set) and a secure exchange of
station’s security context between current access point (AP) and new AP during
handoff period.
BG Protection: The 802.11g standard includes a protection mechanism to ensure mixed 802.11b
and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may
mutually interfere and decrease network’s performance.
.
Hide SSID: Enable Hide SSID will make the AP network’s SSID invisible. A device
can link with the AP only if correct SSID name is entered.
Isolation: Enable Isolation will prevent wireless clients to see each other on the
network.
69 AirLive G.DUO User’s Manual
7. Gateway + AP Mode
TX Power Level: You can set your TX Output power level here. Please note the
maximum allowable TX output power in EU is 20dBm. Please do not exceed your
country’s legal limit.
7.2.4 Access Control
Operation Mode -> Setup -> Access Control
The G.DUO allows you to define a list of MAC addresses that are allowed or denied to
access the wireless network. This function is available only for Access Point and Gateway
modes.
Access Control List
Disable: When selected, no MAC address filtering will be performed.
Allow list: When selected, data traffic from only the specified devices in the
table will be allowed in the network.
Deny list: When selected, data traffic from the devices specified in the table
will be denied/discarded by the network.
7.2.5 Associated Clients
Click on this to show the current wireless clients associated to the AP. It will display MAC
adderss, Trasmit packet, Tx rate, power saving, expire time, and signal strength.
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7. Gateway + AP Mode
7.2.6 Signal Survey
Operation Mode -> Setup -> Site Survey -> Signal Survey
The Signal Survey will continuously display the SIGNAL STRENGTH value of the selected
SSID for antenna alignment purpose. To use Signal Survey function, please enter the
“Site Survey” function first; please refer to the instruction in the above section. Once you
select the ESSID and click on the “Signal Survey” button, the following screen will appear.
BSSID: This is the remote AP’s MAC address.
Channel: The current scanned channel
Signal Strength: This is signal strength number in percentage in 0 to 100 scale.
The higher the number, the better signal.
7.2.7 WAN Port
Operation Mode -> Setup -> WAN Port
The G.DUO support different authentication and IP assignment standards for the WAN port.
It includes fixed IP, DHCP, PPPoE, PPTP, L2TP, and Big Pond protocols. Please consult
with your ISP about what authentication type is used for the WAN port connection.
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7. Gateway + AP Mode
Clone MAC Address: In this place, you can assign a MAC address for the WAN
port. In case of WISP mode, it is Radio1’s MAC address. For Gatway mode, it
is the WAN/LAN1 MAC address.
Enable UPnP: Check this field will enable Universal Plug n Play protocol
Enable Web Server Access on WAN: Check this field will enable remote
management from WAN side.
7.2.8 Virtual Server Settings
Virtual server allows you to specify one or more applications running on server computers
on the LAN that may be accessed by any Internet user. Internet data destined for the
specified public port will be directed to the specified private port number on the LAN client
with the specified private IP address.
If you want to allow your web server, ftp server, or email server to be accessible from
Internet, you would need to open specific port on the virtual server to your local IP address.
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7. Gateway + AP Mode
For a list of most frequent used TCP and UDP ports. Please visit
DMZ opens all TCP/UDP ports to particular IP address on the LAN side. It allows setting
up servers behind the G.DUO.
7.2.10 DDNS
Dynamic Domain Name System. An algorithm that allows the use of dynamic IP address
for hosting Internet Server. A DDNS service provides each user account with a domain
name. The G.DUO support “Dyndns” and “TZO” service.
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7. Gateway + AP Mode
7.2.11 DoS (Denial of Service)
Denial of Service is a type of network attack that floods the network with useless traffic.
Many DoS attacks, such as the Ping of Death and Teardrop attacks, exploit limitations in
the TCP/IP protocols.
The G.DUO provides a list of Firewall grade DoS control that protect your network from
hacker attack.
7.2.12 URL Filter
The G.DUO provide URL filter function to stop access to certain website. It is especially
useful for parents to stop children from accessing some websites.
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7. Gateway + AP Mode
7.2.13 MAC Filter
MAC filter can filter out traffic from certain MAC addresses. It can prevent access to
internet from certain station in the local LAN.
7.2.14 IP Filter
IP filtering allows you to block certain IP addresses from accessing the network.
7.2.15 Port Filter
Port filtering allows you to block certain applications from accessing the network.
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7. Gateway + AP Mode
7.2.16 Router (Static Route)
This allows you to manually configure static network routes. Static routes will override
routes learned by standard routing protocol discover methods.
7.2.17 RIP (Routing Information Protocol
Operation Mode -> Setup -> Access Control
The Routing Information Protocol (RIP) is a dynamic routing protocol used in local and wide
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76
area networks
7. Gateway + AP Mode
7.3 Radio2: AP Mode Settings
The Radio2 is working in Access Point Mode. The default SSID is “AirLive2”.
When you select “Radio2” as the interface, the following screen will appear:
77 AirLive G.DUO User’s Manual
7. Gateway + AP Mode
7.3.1 Basic Wireless Settings
Band: You can choose between “802.11g/b”, “802.11g”, or “802.11b”. We
recommend leaving the setting at “802.11g/b”.
SSID: The SSID setting of the remote AP. If you are not sure, you can click on
“Site Survey” button to scan for AP.
Channel: Wireless Channel used. For EU, it is channel 1~13. For U.S.A., it is
channel 1~11.
7.3.2 Security Settings
Operation Mode -> Setup -> Security Settings
Security settings allow you to use encryption to secure your data from eavesdropping.
You can select different security policy to provide association authentication and/or data
encryption. The G.DUO features various security policies including WEP, 802.1x, WPA,
WPA Personal, WPA2, WPA2 Personal , WPA Mixed.
WEP
WEP Encryption is the oldest and most available encryption method. However, it is also
the least secure.
Select one of the WEP key for wireless network: There are total of 4 possible keys
for WEP encryption. You need to choose which key will be used for encryption. All
wireless devices on the same network have to use the same settings. We
recommend using WEP Key 1 as in default setting.
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7. Gateway + AP Mode
Authentication: 2 types of Authentication are offered. Open system and
Shared key. If you are not sure which one to use, please select “Auto”.
Key Length: The G.DUO offers 64bit and 128 bit for WEP key length. The
longer the Key Length, the more secure the encryption is.
Key Type: 2 types are available: ASCII and HEX. ASCII is a string of ASCII
code including alphabetical characters, space, signs and numbers (i.e.
“airlivepass12”). HEX is a string of 16-bit hexadecimal digits (0..9, a, b, c, d, e, f).
All wireless devices on the network must match the exact key length and Key type.
Some Wireless clients only allow HEX type for WEP.
ASCII-64: This is a key with 64-bit key length of ASCII type. Please enter 5
ASCII Characters if you choose this option. For example, “passw”
HEX-64: This is a key with 64-bit key length of HEX type. Please enter 10
Hexadecimal digits if you choose this option. For example, “12345abcdef”
ASCII-128: This is a key with 64-bit key length of ASCII type. Please enter 13
ASCII Characters if you choose this option. For example, “airlivewepkey”
HEX-128: This is a key with 128-bit key length of HEX type. Please enter 26
Hexadecimal digits if you choose this option. For example,
“1234567890abcdef1234567890”
The WPA Personal is also known as “WPA-PSK” encryption. Wi-Fi Protected Access
(WPA) introduces the Temporal Key Integrity Protocol (TKIP) that provides added
security. WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption).
The WPA-Mixed tries to authenticate wireless clients using both WPA-PSK or
WPA2-PSK.
Encryption Type: There are two encryption types TKIP and CCMP (AES). While
79 AirLive G.DUO User’s Manual
7. Gateway + AP Mode
CCMP provides better security than TKIP, some wireless client stations may not be
equipped with the hardware to support it. You can select Mixed to allow TKIP clients
and CCMP clients to connect to the Access Point at the same time.
Pre-Shared Key Format: You can select between Passphrase(ASCII) or HEX
format. Please select Passphrase if you are not sure what to use.
Wi-Fi Protected Access (WPA) Enterprise uses Radius Server as the authenticator.
WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption). The
WPA-Mixed tries to authenticate wireless clients using both WPA or WPA2.
7.3.3 Advance (Wireless Settings)
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7. Gateway + AP Mode
Fragmentation: When the size of a unicast frame exceeds the fragmentation
threshold, it will be fragmented before the transmission. It should have a value of
256-2346 bytes, with a default of 2346. If you experience a high packet error rate,
you should slightly decrease the Fragmentation Threshold.
RTS Threshold: RTS/CTS frames are used to gain control of the medium for
transmission. Any unicast (data or control) frames larger than specified RTS threshold
must be transmitted following the RTS/CTS handshake exchange mechanism. The
RTS threshold should have a value between 256-2347 bytes, with a default of 2347. It
is recommended that this value does not deviate from the default too much.
Beacon Interval: The device broadcasts beacon frames regularly to announce its
existence. The beacon Interval specifies how often beacon frames are transmitted in
time unit of milliseconds. The default value is 100, and a valid value should be between
1 and 65,535.
AckTimeOut: When a packet is sent out from one wireless station to the other, it will
waits for an Acknowledgement frame from the remote station. The station will only
wait for a certain amount of time, this time is called the ACK timeout. In most
conditions, please put ACKtimeout value at zero(default value). The AP will calculate
the ACKtimeout automatically when the value is zero. However, you can also enter
the ACKtimeout manually.
Preamble Type: A preamble is a signal used in wireless environment to synchronize
the transmitting timing including Synchronization and Start frame delimiter. In a "noisy"
network environment, the Preamble Type should be set to Long Preamble. The Short
Preamble is intended for applications where minimum overhead and maximum
performance is desired. If in a "noisy" network environment, the performance will be
decreased.
IAPP: IAPP (Inter Access Point Protocol) is designed for the enforcement of unique
association throughout a ESS (Extended Service Set) and a secure exchange of
station’s security context between current access point (AP) and new AP during
handoff period.
BG Protection: The 802.11g standard includes a protection mechanism to ensure mixed 802.11b
and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may
mutually interfere and decrease network’s performance.
.
Hide SSID: Enable Hide SSID will make the AP network’s SSID invisible. A device
can link with the AP only if correct SSID name is entered.
81 AirLive G.DUO User’s Manual
7. Gateway + AP Mode
Isolation: Enable Isolation will prevent wireless clients to see each other on the
network.
TX Power Level: You can set your TX Output power level here. Please note the
maximum allowable TX output power in EU is 20dBm. Please do not exceed your
country’s legal limit.
7.3.4 Access Control
Operation Mode -> Setup -> Access Control
The G.DUO allows you to define a list of MAC addresses that are allowed or denied to
access the wireless network. This function is available only for Access Point and Gateway
modes.
Access Control List
Disable: When selected, no MAC address filtering will be performed.
Allow list: When selected, data traffic from only the specified devices in the
table will be allowed in the network.
Deny list: When selected, data traffic from the devices specified in the table
will be denied/discarded by the network.
7.3.5 Associated Clients
Click on this to show the current wireless clients associated to the AP. It will display MAC
adderss, Trasmit packet, Tx rate, power saving, expire time, and signal strength.
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7. Gateway + AP Mode
83 AirLive G.DUO User’s Manual
8. WDS + AP Mode
8. WDS + AP Mode
8
In this chapter, we will explain about the wireless settings for Client + AP Mode. Please be
sure to read through Chapter 1.4 and Chapter 3’s “Introduction to Web Management” and
“Initial Configurations” first.
It is highly recommended that you use directional antenna for Radio1 in this mode to
achieve larger coverage and avoid mutual interference. If you need to use the supplied
2dBi omni antennas, please adjust them according to the diagram below:
8.1 Application for WDS + AP Mode
In this mode, the Radio1 is working in Bridge mode to connect with another Remote Bridge.
Radio2 is performing as an Access Point. The Radio1 can be used to build backbone
connection in a hotel hotspot network. Radio2 can be used to provide hotspot service.
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84
8.2 Radio1: WDS Bridge Settings
8. WDS + AP Mode
The Radio1 is working in WDS Bridge for connection to remote Bridge network.
When you select “Radio1” as the interface, the following screen will appear.
8.2.1 Basic Wireless Settings
Band: You can choose between “802.11g/b”, “802.11g”, or “802.11b”. We
recommend to leave the setting at “802.11g/b”.
Channel: Wireless Channel used. For EU, it is channel 1~13. For U.S.A., it is
85 AirLive G.DUO User’s Manual
8. WDS + AP Mode
channel 1~11.
802.11d Spanning Tree: Enable this option to prevent network loop from forming.
It is highly recommended to turn on this option if you have more than 2 entries in the
WDS network. You can find this function in the “System Configuration”->”LAN
Interface Setup
” page.
8.2.2 WDS Security
Operation Mode -> Setup -> Security Settings
Security settings allow you to use encryption to secure your data from eavesdropping.
You can select different security policy to provide association authentication and/or data
encryption. The G.DUO features various security policies including WEP, 802.1x, WPA,
WPA Personal, WPA2, WPA2 Personal , WPA Mixed.
WEP
WEP Encryption is the oldest and most available encryption method. However, it is also
the least secure.
Select one of the WEP key for wireless network: There are total of 4 possible keys
for WEP encryption. You need to choose which key will be used for encryption. All
wireless devices on the same network have to use the same settings. We
recommend using WEP Key 1 as in default setting.
Authentication: 2 types of Authentication are offered. Open system and
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8. WDS + AP Mode
Shared key. If you are not sure which one to use, please select “Auto”.
Key Length: The G.DUO offers 64bit and 128 bit for WEP key length. The
longer the Key Length, the more secure the encryption is.
Key Type: 2 types are available: ASCII and HEX. ASCII is a string of ASCII
code including alphabetical characters, space, signs and numbers (i.e.
“airlivepass12”). HEX is a string of 16-bit hexadecimal digits (0..9, a, b, c, d, e, f).
All wireless devices on the network must match the exact key length and Key type.
Some Wireless clients only allow HEX type for WEP.
ASCII-64: This is a key with 64-bit key length of ASCII type. Please enter 5
ASCII Characters if you choose this option. For example, “passw”
HEX-64: This is a key with 64-bit key length of HEX type. Please enter 10
Hexadecimal digits if you choose this option. For example, “12345abcdef”
ASCII-128: This is a key with 64-bit key length of ASCII type. Please enter 13
ASCII Characters if you choose this option. For example, “airlivewepkey”
HEX-128: This is a key with 128-bit key length of HEX type. Please enter 26
Hexadecimal digits if you choose this option. For example,
“1234567890abcdef1234567890”
WPA-PSK, WPA2-PSK
Wi-Fi Protected Access (WPA) introduces the Temporal Key Integrity Protocol (TKIP)
that provides added security. WPA2 adds full support for 802.11i standard and the
CCMP (AES Encryption). The WPA Mixed tries to authenticate wireless clients using
both WPA-PSK or WPA2-PSK.
Encryption Type: There are two encryption types TKIP and CCMP (AES). While
CCMP provides better security than TKIP, some wireless client stations may not be
equipped with the hardware to support it. You can select Mixed to allow TKIP clients
and CCMP clients to connect to the Access Point at the same time.
Pre-Shared Key Format: You can select between Passphrase(ASCII) or HEX
format. Please select Passphrase if you are not sure what to use.
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Pre-Shared Key: Enter the password key here..
8.2.3 Advance (Wireless Settings)
Operation Mode -> Setup -> Advance
8. WDS + AP Mode
Fragmentation: When the size of a unicast frame exceeds the fragmentation
threshold, it will be fragmented before the transmission. It should have a value of
256-2346 bytes, with a default of 2346. If you experience a high packet error rate,
you should slightly decrease the Fragmentation Threshold.
RTS Threshold: RTS/CTS frames are used to gain control of the medium for
transmission. Any unicast (data or control) frames larger than specified RTS threshold
must be transmitted following the RTS/CTS handshake exchange mechanism. The
RTS threshold should have a value between 256-2347 bytes, with a default of 2347. It
is recommended that this value does not deviate from the default too much.
Beacon Interval: The device broadcasts beacon frames regularly to announce its
existence. The beacon Interval specifies how often beacon frames are transmitted in
time unit of milliseconds. The default value is 100, and a valid value should be between
1 and 65,535.
AckTimeOut: When a packet is sent out from one wireless station to the other, it will
waits for an Acknowledgement frame from the remote station. The station will only
wait for a certain amount of time, this time is called the ACK timeout. In most
conditions, please put ACKtimeout value at zero(default value). The AP will calculate
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8. WDS + AP Mode
the ACKtimeout automatically when the value is zero. However, you can also enter
the ACKtimeout manually.
Preamble Type: A preamble is a signal used in wireless environment to synchronize
the transmitting timing including Synchronization and Start frame delimiter. In a "noisy"
network environment, the Preamble Type should be set to Long Preamble. The Short
Preamble is intended for applications where minimum overhead and maximum
performance is desired. If in a "noisy" network environment, the performance will be
decreased.
BG Protection: The 802.11g standard includes a protection mechanism to ensure mixed 802.11b
and 802.11g operation. If there is no such kind of mechanism exists, the two kinds of standards may
mutually interfere and decrease network’s performance.
.
TX Power Level: You can set your TX Output power level here. Please note the
maximum allowable TX output power in EU is 20dBm. Please do not exceed your
country’s legal limit.
8.2.4 Site Survey
Operation Mode -> Setup -> Site Survey
WDS requires you to enter the MAC addresses of other remote bridges in the network.
You can scan for wireless networks around your location using the Site Survey function.
Then copy the MAC address of the remote Bridge into WDS table.
When you click on Site Survey, the following screen will appear. It might take awhile
depending on number of available Bridges in the area.
MAC Addresses
d
For antenna
alignment. It will
display and update
the Signal Strength
conitnously
89 AirLive G.DUO User’s Manual
8. WDS + AP Mode
8.2.5 Signal Survey
Operation Mode -> Setup -> Site Survey -> Signal Survey
The Signal Survey will continuously display the Signal Strength of the selected SSID for
antenna alignment purpose. To use Signal Survey function, please enter the “Site
Survey” function first; please refer to the instruction in the above section. Once you select
the ESSID and click on the “Signal Survey” button, the following screen will appear.
BSSID: This is the remote AP’s MAC address.
Channel: The current scanned channel
Signal: This is signal strength number in percentage in 0 to 100 scale. The
higher the number, the better signal.
8.2.6 WDS Settings
For Bridge network, it is required to enter the Wireless MAC address of all remote
bridges that is connect directly to your G.DUO. The wireless MAC address is also
known as BSSID that is display on your site survey result.
MAC Address: Please enter the Wireless MAC address or BSSID of the remote
Bridge. You can usually find it at remote Bridge’s device label.
Comment: If you input anything that will help remind you about which remote
Bridge it is.
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8. WDS + AP Mode
8.3 Radio2: AP Mode Settings
The Radio2 is working in Access Point Mode. The default SSID is “AirLive2”.
When you select “Radio2” as the interface, the following screen will appear:
8.3.1 Basic Wireless Settings
Band: You can choose between “802.11g/b”, “802.11g”, or “802.11b”. We
recommend leaving the setting at “802.11g/b”.
SSID: The SSID setting of the remote AP. If you are not sure, you can click on
“Site Survey” button to scan for AP.
Channel: Wireless Channel used. For EU, it is channel 1~13. For U.S.A., it is
channel 1~11.
8.3.2 Security Settings
Operation Mode -> Setup -> Security Settings
Security settings allow you to use encryption to secure your data from eavesdropping.
You can select different security policy to provide association authentication and/or data
encryption. The G.DUO features various security policies including WEP, 802.1x, WPA,
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8. WDS + AP Mode
WPA Personal, WPA2, WPA2 Personal , WPA Mixed.
WEP
WEP Encryption is the oldest and most available encryption method. However, it is also
the least secure.
Select one of the WEP key for wireless network: There are total of 4 possible keys
for WEP encryption. You need to choose which key will be used for encryption. All
wireless devices on the same network have to use the same settings. We
recommend using WEP Key 1 as in default setting.
Authentication: 2 types of Authentication are offered. Open system and
Shared key. If you are not sure which one to use, please select “Auto”.
Key Length: The G.DUO offers 64bit and 128 bit for WEP key length. The
longer the Key Length, the more secure the encryption is.
Key Type: 2 types are available: ASCII and HEX. ASCII is a string of ASCII
code including alphabetical characters, space, signs and numbers (i.e.
“airlivepass12”). HEX is a string of 16-bit hexadecimal digits (0..9, a, b, c, d, e, f).
All wireless devices on the network must match the exact key length and Key type.
Some Wireless clients only allow HEX type for WEP.
ASCII-64: This is a key with 64-bit key length of ASCII type. Please enter 5
ASCII Characters if you choose this option. For example, “passw”
HEX-64: This is a key with 64-bit key length of HEX type. Please enter 10
Hexadecimal digits if you choose this option. For example, “12345abcdef”
ASCII-128: This is a key with 64-bit key length of ASCII type. Please enter 13
ASCII Characters if you choose this option. For example, “airlivewepkey”
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8. WDS + AP Mode
HEX-128: This is a key with 128-bit key length of HEX type. Please enter 26
Hexadecimal digits if you choose this option. For example,
“1234567890abcdef1234567890”
The WPA Personal is also known as “WPA-PSK” encryption. Wi-Fi Protected Access
(WPA) introduces the Temporal Key Integrity Protocol (TKIP) that provides added
security. WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption).
The WPA-Mixed tries to authenticate wireless clients using both WPA-PSK or
WPA2-PSK.
Encryption Type: There are two encryption types TKIP and CCMP (AES). While
CCMP provides better security than TKIP, some wireless client stations may not be
equipped with the hardware to support it. You can select Mixed to allow TKIP clients
and CCMP clients to connect to the Access Point at the same time.
Pre-Shared Key Format: You can select between Passphrase(ASCII) or HEX
format. Please select Passphrase if you are not sure what to use.
Wi-Fi Protected Access (WPA) Enterprise uses Radius Server as the authenticator.
WPA2 adds full support for 802.11i standard and the CCMP (AES Encryption). The
WPA-Mixed tries to authenticate wireless clients using both WPA or WPA2.
93 AirLive G.DUO User’s Manual
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