Manuale d’uso / di manutenzione del prodotto G.DUO del fabbricante AirLive
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G.DUO Dual 11g Access P oint Use r ’ s Manual.
Copyright and Disclaim er AirLive G .DUO User’ s Manual Copyright & Disclaimer No part of this publication may be reproduc ed in any form or by any means, whether electronic, mechanical, photocopying, or record ing without the written consent of OvisLink Corp.
T able o f Contents i AirLive G .DUO User’ s Manual Table of Contents 1. Introduction ................................................................................................ 1 1.1 Overview ...................................................
T able of Contents AirLive G .DUO User’ s Manual ii 3.5.3 Enable Password Protection ..................................................................................... 20 3.5.4 Enable T elnet or SSH ...............................................
T able of Contents iii AirLive G .DUO User’ s Manual 6.2.1 Basic W ireless Settings ............................................................................................ 52 6.2.2 Security Settings .............................................
T able of Contents AirLive G .DUO User’ s Manual iv 8.2.3 Advance (W ireless Settings) .................................................................................... 88 8.2.4 Site Survey ........................................................
T able of Contents v AirLive G .DUO User’ s Manual 13.1.1 General Hardware Feature ................................................................................... 113 13.2.1 Power Supply ..........................................................
1. Introduction 1 A irLive G .DUO User ’ s Manual 1 1. Introduction 1.1 Overview The G.DUO is a dual radio wireless multi-f unction device based on IEEE 802.11g/b 2.4GHz radio technologies. It featur es 2 WiFi radios for WISP and ot her applic ations that can not be achieved using single radio.
1. Introduction AirLive G .DUO User’ s Manual 2 1.3 Features Dual 11g CPU with 2 x 11g/b Radios 4MB Flash and 32MB SDRAM 5 wireless multi-function modes: WI SP+AP, Dual AP, Client + AP, WDS+AP, Gateway+AP 2 x R-SMA connectors for external antenna.
1. Introduction 3 A irLive G .DUO User ’ s Manual 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 t he signal from Radio1. This combination creates a wireless repeater with 2 radios.
1. Introduction AirLive G .DUO User’ s Manual 4 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 wirel ess backbone network while providing hotspot access through Radio2’ s AP network.
2. Install the G .DUO 5 AirLive G .DUO User ’ s Manual 2 2. Inst alling the G .DUO This section describes the har dware features and the hardwar e installation procedure for the G.DUO. For software conf iguration, please go to chapter 3 for more details.
2. Install the G .DUO AirLive G .DUO User’ s Manual 6 Quick Start Guide 2.3 Knowing your G.DUO Below are descriptions and diagrams of the product: Radio 1 Antenna Connector Radio 2 Antenna Conne.
2. Install the G .DUO 7 AirLive G .DUO User ’ s Manual 2.4 Hardware Installation .1. Please install the ant ennas 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.
2. Install the G .DUO AirLive G .DUO User’ s Manual 8 4. If you are using G .DUO in Gateway mode to share your xDSL or Cable modem connection, please connect the Internet cable to “W AN port”. 2.4.1 Passive PoE Installation If you want to supply the power by using Pa ssive PoE, please follow the installation diagram below .
2. Install the G .DUO 9 AirLive G .DUO User ’ s Manual 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 bet ween the holes. Then inst all 2 screws in the desire location with the measured distance ap art from each other .
2. Install the G .DUO AirLive G .DUO User’ s Manual 10 2.5 LED Table This section describes the LED behavior of G.DUO. You can fi nd the LED on the top side of the G.
3. Configuring th e G . DUO 11 AirLive G .DUO User ’ s Manual 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.
3. Configuring th e G . DUO AirLive G .DUO User’ s Manual 12 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.
3. Configuring th e G . DUO 13 AirLive G .DUO User’ s Manual Secured Web Management (HTTPS): HTTPS is also using web browser for configuration. But all t he data transactions are securely encrypted using SSL encryption. Therefore, it is a safe and easy way to manage your G .
3. Configuring th e G . DUO AirLive G .DUO User’ s Manual 14 2. Enter the IP address of G .DUO 3. Click on “Open” to start the SSH session. When the following screen appear , click on “Y es” to continue If you have set up password, please enter your login and p assword.
3. Configuring th e G . DUO 15 AirLive G .DUO User’ s Manual 3.4 Introduction to Web Management The G.DUO offers both normal (http) and se cured (https) Web Management interfaces. Their share the same interface and functions , and they can both be accessed through web browsers.
3. Configuring th e G . DUO AirLive G .DUO User’ s Manual 16 Firefox: 1. Select “or you can add an exception” 2. Click on “Add Exception” 2 1.
3. Configuring th e G . DUO 17 AirLive G .DUO User’ s Manual 3. Click on “Get Certificate” . Then, please enter G .DUO’ s IP address. Finally , please click on “Confirm Security Exception.” 3.4.2 W eb Menu Structure After you enter the Web configurati on, the following screen will appear: Wireless Settings : The G.
3. Configuring th e G . DUO AirLive G .DUO User’ s Manual 18 menu category. For explanation of diffe rent wireless modes, please refer to Chapter 1. System Configuration: All non-wireless and router mode settings are in this category.
3. Configuring th e G . DUO 19 AirLive G .DUO User’ s Manual Mode Diagram : this shows you the operation fl ow between Radio1, Radio2, and the LAN/WAN ports. It helps you to understand how the mode works. Current Mode : The active setup button indicate s the current operation mode.
3. Configuring th e G . DUO AirLive G .DUO User’ s Manual 20 3.5.3 Enable Password Protection The G.DUO’s password protection is turned o ff by default. You should enable it and set your own password. To enable password protection, please go to “System Configuration” -> “Password Settings” menu.
3. Configuring th e G . DUO 21 AirLive G .DUO User’ s Manual.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 22 In this chapter, we will explain about the wir eless 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. WISP + AP M ode 23 AirLive G .DUO User’ s Manual 4.2 Step-by-Step Example In this example, we will use a G.DUO to es tablish a connection se rvice to the WISP outdoor AP 4.2.1 Environment In this example, the G.DUO will be connecting to the Outdoor AP using Radio1.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 24 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 fo llowin g screen should appear with results of available APs in the area.
4. WISP + AP M ode 25 AirLive G .DUO User’ s Manual Ste p4 : Choose “WP A”->”Personal(Pre Shared Key)” -> “TKIP”. Then enter the correct encryption key . The wireless connection should establish af ter this. Ste p5 : Go to the wireless setting p age and select “W AN Port”.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 26 Step3: Go to the “Security” setup and set yo ur encryption as “WP A”->”Pre-Shared Key”->”TKIP”. Enter your encryption key . . 4.3 Radio1: WISP Router Mode Settings The Radio1 is working in Client Mode with NAT r outing function, it is also known as “Client Router”.
4. WISP + AP M ode 27 AirLive G .DUO User’ s Manual 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 pr ovide association authent ication and/or data encryption.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 28 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 th is option. For example, “12345abcdef” ASCII-128: This is a key with 64-bit key leng th of ASCII type.
4. WISP + AP M ode 29 AirLive G .DUO User’ s Manual Fragmentation: When the size of a unicast fr ame 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.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 30 performance is desired. If in a "noisy" net work environment, the performance will be decreased.
4. WISP + AP M ode 31 AirLive G .DUO User’ s Manual 4.3.5 Signal Survey Operation Mode -> Setup -> Site Survey -> Signal Survey The Signal Survey will continuously display th e SIGNAL STRENGTH value of the selected SSID for antenna alignment purpos e.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 32 Clone MAC Address : In this place, you can assign a MAC address for the WAN port. In case of WISP mode, it i s Radi o1’s MAC address.
4. WISP + AP M ode 33 AirLive G .DUO User’ s Manual 4.3.9 DDNS Dynamic Domain Name System. An algorithm that allows the use of dynamic IP address for hosting Internet Server. A DDNS servic e provides each user account with a domain name. The G.DUO support “Dyndns” and “TZO” service.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 34 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 childre n from accessing some websites. 4.3.12 MAC Filter MAC filter can filter out traffic from certain MAC addre sses.
4. WISP + AP M ode 35 AirLive G .DUO User’ s Manual 4.3.13 IP Filter IP filtering allows you to block certai n IP addresses from accessing the network. 4.3.14 Port Filter Port filtering allows you to block certain applications from accessing the network.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 36 4.3.16 RIP (Routing Information Protocol Operation Mode -> Setup -> Access Control The Routing Information Protocol (RIP) is a dynam ic rout.
4. WISP + AP M ode 37 AirLive G .DUO User’ s Manual 4.4 Radio2: AP Mode Settings The Radio2 is working in Access Poin t Mode. The default SSID is “AirLive2”. When you select “Radio2” as the inte rface, the following screen will appear: 4.4.1 Basic Wireless S ettings Band: You can choose between “802.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 38 WEP WEP Encryption is the oldest and most available encryption method. However , it is also the least secure. Select one of the WEP ke y for wireless network: There are total of 4 possible keys for WEP encryption.
4. WISP + AP M ode 39 AirLive G .DUO User’ s Manual “1234567890abcdef 1234567890” WPA-Personal, WPA2-Personal, WPA-Mixed (Pre-Shared Key) The WPA Personal is also known as “WPA- PSK” encryption. Wi-Fi Protected Access (WPA) introduces the Temporal Key Integrit y Protocol (TKIP) t hat provides added security.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 40 4.4.3 Advance (Wireless Settings) Operation Mode -> Setup -> Advance Fragmentation: When the size of a unicast fr ame exceeds the fragmentation threshold, it will be fragment ed before the transmission.
4. WISP + AP M ode 41 AirLive G .DUO User’ s Manual Beacon Interval: The device broadcasts beacon fr ames 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.
4. WISP + AP M ode AirLive G .DUO User’ s Manual 42 access the wireless network. This function is available only for Access Point and Gateway modes. Access Control List Disable: When selected, no MAC address f iltering will be performed.
5. Dual AP Mode 43 AirLive G .DUO User’ s Manual In this chapter, we will explain about the wirel ess 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.
5. Dual AP Mode AirLive G .DUO User’ s Manual 44 5.2 Radio1 and 2: AP Mode Settings Since both Radio1 and Radio2 are Access Po int 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. Dual AP Mode 45 AirLive G .DUO User’ s Manual 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. Dual AP Mode AirLive G .DUO User’ s Manual 46 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 characte rs, space, signs and numbers (i.
5. Dual AP Mode 47 AirLive G .DUO User’ s Manual Pre-Shared Key Format : You can select between Passphrase(ASCII) or HEX format. Please select Passphrase if you are not sure what to use.
5. Dual AP Mode AirLive G .DUO User’ s Manual 48 Fragmentation: When the size of a unicast fr ame exceeds the fragmentation threshold, it will be fragment ed before the transmission. It should have a value of 256-2346 bytes, with a default of 2346.
5. Dual AP Mode 49 AirLive G .DUO User’ s Manual network. TX Pow er Level: Y ou 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.
5. Dual AP Mode AirLive G .DUO User’ s Manual 50.
6. Client + AP Mode 51 AirLive G .DUO User’ s Manual In this chapter, we will explain about the wir eless 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.
6. Client + AP Mode AirLive G .DUO User’ s Manual 52 6.2 Radio1: Client Mode Settings The Radio1 is working as wireless Client to Remote AP. When you select “Radio1” as the interf ace, the following screen will appear. 6.2.1 Basic Wireless S ettings Band: You can choose between “802.
6. Client + AP Mode 53 AirLive G .DUO User’ s Manual 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 pr ovide association authentication and/or data encryption.
6. Client + AP Mode AirLive G .DUO User’ s Manual 54 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 lengt h of ASCII type.
6. Client + AP Mode 55 AirLive G .DUO User’ s Manual 6.2.3 Advance (Wireless Settings) Operation Mode -> Setup -> Advance Fragmentation: When the size of a unicast fr ame exceeds the fragmentation threshold, it will be fragment ed before the transmission.
6. Client + AP Mode AirLive G .DUO User’ s Manual 56 Preamble is intended for applications where minimum overhead and maximum performance is desired.
6. Client + AP Mode 57 AirLive G .DUO User’ s Manual 6.2.5 Signal Survey Operation Mode -> Setup -> Site Survey -> Signal Survey The Signal Survey will continuously display th e SIGNAL STRENGTH value of the selected SSID for antenna alignment purpos e.
6. Client + AP Mode AirLive G .DUO User’ s Manual 58 6.3 Radio2: AP Mode Settings The Radio2 is working in Access Poin t Mode. The default SSID is “AirLive2”. When you select “Radio2” as the inte rface, the following screen will appear: 6.3.
6. Client + AP Mode 59 AirLive G .DUO User’ s Manual Select one of the WEP ke y 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.
6. Client + AP Mode AirLive G .DUO User’ s Manual 60 WPA-Personal, WPA2-Personal, WPA-Mixed (Pre-Shared Key) The WPA Personal is also known as “WPA- PSK” encryption. Wi-Fi Protected Access (WPA) introduces the Temporal Key Integrit y Protocol (TKIP) t hat provides added security.
6. Client + AP Mode 61 AirLive G .DUO User’ s Manual 6.3.3 Advance (Wireless Settings) Operation Mode -> Setup -> Advance Fragmentation: When the size of a unicast fr ame exceeds the fragmentation threshold, it will be fragment ed before the transmission.
6. Client + AP Mode AirLive G .DUO User’ s Manual 62 the ACKtimeout manually. Preamble Type : A preamble is a signal used in wireless environment to synchronize the transmitting timing including Synchronizati on and Start frame delim iter. In a "noisy " network environment, the Preamble Type s hould be set to Long Preamble.
6. Client + AP Mode 63 AirLive G .DUO User’ s Manual Access Control List Disable: When selected, no MAC address f iltering will be performed. Allow list: When selected, data tra ffic from only the specified devices in the table will be allowed in the network.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 64 In this chapter, we will explain about the wir eless 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.
7. Gateway + AP Mode 65 AirLive G .DUO User’ s Manual 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.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 66 7.2.1 Basic Wireless S ettings 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.
7. Gateway + AP Mode 67 AirLive G .DUO User’ s Manual Authentication: 2 types of Authentication ar e offered. Open system and Shared key. If you are not sure whic h one to use, please select “Auto”. Key Length: The G.DUO offers 64bit and 128 bit for WEP key length.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 68 CCMP provides better security than TKIP, so me 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 A ccess Point at the same time.
7. Gateway + AP Mode 69 AirLive G .DUO User’ s Manual Fragmentation: When the size of a unicast fr ame exceeds the fragmentation threshold, it will be fragment ed before the transmission. It should have a value of 256-2346 bytes, with a default of 2346.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 70 TX Pow er Level: Y ou 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.
7. Gateway + AP Mode 71 AirLive G .DUO User’ s Manual 7.2.6 Signal Survey Operation Mode -> Setup -> Site Survey -> Signal Survey The Signal Survey will continuously display th e SIGNAL STRENGTH value of the selected SSID for antenna alignment purpos e.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 72 Clone MAC Address : In this place, you can assign a MAC address for the WAN port. In case of WISP mode, it i s Radi o1’s MAC address.
7. Gateway + AP Mode 73 AirLive G .DUO User’ s Manual For a list of most frequent used TCP and UDP ports. Please visit http://en.wikipedia.org/wiki/ List_of_TCP_and_UDP_port_numbers 7.2.9 DMZ Advanced Settings >> Multiple DM Z DMZ opens all TCP/UDP ports to particular IP address on the LAN side.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 74 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, ex ploit limitations in the TCP/IP protocols.
7. Gateway + AP Mode 75 AirLive G .DUO User’ s Manual 7.2.13 MAC Filter MAC filter can filter out traffic from certain MAC addre sses. It can prevent access to internet from certain station in the local LAN. 7.2.14 IP Filter IP filtering allows you to block certai n IP addresses from accessing the network.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 76 7.2.16 Router (Static Route) This allows you to manually configure static network routes. Stat ic routes will override routes learned by standard routi ng protocol discover methods.
7. Gateway + AP Mode 77 AirLive G .DUO User’ s Manual area networks 7.3 Radio2: AP Mode Settings The Radio2 is working in Access Poin t Mode. The default SSID is “AirLive2”.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 78 7.3.1 Basic Wireless S ettings 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.
7. Gateway + AP Mode 79 AirLive G .DUO User’ s Manual Authentication: 2 types of Authentication ar e offered. Open system and Shared key. If you are not sure whic h one to use, please select “Auto”. Key Length: The G.DUO offers 64bit and 128 bit for WEP key length.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 80 CCMP provides better security than TKIP, so me 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 A ccess Point at the same time.
7. Gateway + AP Mode 81 AirLive G .DUO User’ s Manual Fragmentation: When the size of a unicast fr ame exceeds the fragmentation threshold, it will be fragment ed before the transmission. It should have a value of 256-2346 bytes, with a default of 2346.
7. Gateway + AP Mode AirLive G .DUO User’ s Manual 82 Isolation: Enable Isolation will prevent wirele ss clients to see each other on the network. TX Pow er Level: Y ou can set your TX Output power level here. Please note the maximum allowable TX output power in EU is 20dBm.
7. Gateway + AP Mode 83 AirLive G .DUO User’ s Manual.
8. WDS + AP Mode AirLive G .DUO User’ s Manual 84 In this chapter, we will explain about the wir eless 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.
8. WDS + AP Mode 85 AirLive G .DUO User’ s Manual 8.2 Radio1: WDS Bridge Settings The Radio1 is working in WDS Bridge for connection to remote Bridge network. When you select “Radio1” as the interf ace, the following screen will appear. 8.2.1 Basic Wireless S ettings Band: You can choose between “802.
8. WDS + AP Mode AirLive G .DUO User’ s Manual 86 channel 1~11. 802.11d Spanning Tree : Enable this option to prevent network loop from forming. It is highly recommended to turn on this opt ion 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. WDS + AP Mode 87 AirLive G .DUO User’ s Manual Shared key. If you are not sure whic h 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.
8. WDS + AP Mode AirLive G .DUO User’ s Manual 88 Pre-Shared Key : Enter the password key here.. 8.2.3 Advance (Wireless Settings) Operation Mode -> Setup -> Advance Fragmentation: When the size of a unicast fr ame exceeds the fragmentation threshold, it will be fragmented before the transmission.
8. WDS + AP Mode 89 AirLive G .DUO User’ s Manual 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 Synchronizati on and Start frame delim iter.
8. WDS + AP Mode AirLive G .DUO User’ s Manual 90 8.2.5 Signal Survey Operation Mode -> Setup -> Site Survey -> Signal Survey The Signal Survey will continuously display t he Signal Strength of the selected SSID for antenna alignment purpose.
8. WDS + AP Mode 91 AirLive G .DUO User’ s Manual 8.3 Radio2: AP Mode Settings The Radio2 is working in Access Poin t Mode. The default SSID is “AirLive2”. When you select “Radio2” as the inte rface, the following screen will appear: 8.3.1 Basic Wireless S ettings Band: You can choose between “802.
8. WDS + AP Mode AirLive G .DUO User’ s Manual 92 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 ke y for wireless network: There are total of 4 possible keys for WEP encryption.
8. WDS + AP Mode 93 AirLive G .DUO User’ s Manual HEX-128: This is a key with 128-bit key leng th of HEX type. Please enter 26 Hexadecimal digits if you choos e this option. For example, “1234567890abcdef 1234567890” WPA-Personal, WPA2-Personal, WPA-Mixed (Pre-Shared Key) The WPA Personal is also known as “WPA- PSK” encryption.
8. WDS + AP Mode AirLive G .DUO User’ s Manual 94 8.3.3 Advance (Wireless Settings) Operation Mode -> Setup -> Advance Fragmentation: When the size of a unicast fr ame exceeds the fragmentation threshold, it will be fragmented before the transmission.
8. WDS + AP Mode 95 AirLive G .DUO User’ s Manual Beacon Interval: The device broadcasts beacon fr ames regularly to announce its existence. The beacon Interval specifies ho w 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.
8. WDS + AP Mode AirLive G .DUO User’ s Manual 96 access the wireless network. This function is available only for Access Point and Gateway modes. Access Control List Disable: When selected, no MAC address f iltering will be performed.
9. System Configuration M enu 97 AirLive G .DUO User’ s Manual In this chapter, we will explain about System Configurations in web management interface. Please be sure to read through Chapter 3’s “ Introduction to Web Management” and “Initial Configurations” first.
9. System Configuration M enu AirLive G .DUO User’ s Manual 98 9.2.1 DHCP Settings DHCP Service: You can enable or disable DHCP server here. z Disable : Disable DHCP server z Client: The LAN interface will get IP address from DHCP server z Server(default) ; The G .
9. System Configuration M enu 99 AirLive G .DUO User’ s Manual 9.2.5 Add DHCP Static Lease Client If you want to lock IP address to a MAC address, you should add D HCP clients to the “Static Lease Client”. Up to 40 entries can be entered. Below is the procedure for adding an entry: 1.
9. System Configuration M enu AirLive G .DUO User’ s Manual 100 2. Select your time Zone 3. Select your NTP server 4. Click on “Apply Change” 9.4 Password Settings System Configuration -> Password Settings The G.DUO’s password protection is turned o ff by default.
9. System Configuration M enu 101 AirLive G .DUO User’ s Manual CLI (Command Line Interface): Y ou can enable or disable T elnet and SSH m anagement interface from here. Public Key Upload: Y ou can upload your public for the SSH authentication here.
9. System Configuration M enu AirLive G .DUO User’ s Manual 102 messages are generated (by the router) and sent to in the network. You can define up to 3 trap servers in the system.
9. System Configuration M enu 103 AirLive G .DUO User’ s Manual Upgrade Firmw are: To update the G.DUO firmware, first download the firmware fr om AirLive web site to your local disk. Please do not use the firmware fo r Emergency Upgrade, it might damage your AP!.
9. System Configuration M enu AirLive G .DUO User’ s Manual 104 Step 2 Click on “Save to” and Enter the path of t he configuration file to save-to.
10. Device S tatus Menu 105 AirLive G .DUO User’ s Manual In this chapter, we will explain the “Device St atus” menu in the web management interface. Before you read this chapter, please make su re to read through chapt er 3 on “Introduction to Web Management Interface.
10. Device S tatus Menu AirLive G .DUO User’ s Manual 106 clients in AP W AN Configuration: W AN configuration tells you t he current status of W AN port such as IP address and connection status. 10.3 S t atistic This page shows the sent and received p ac ket information for Radio1, Radio2, LAN, and W AN interface.
10. Device S tatus Menu 107 AirLive G .DUO User’ s Manual 10.4 Client T able (ARP T able) This table is also known as ARP table. It will show all wireless and wired device connected to the G .DUO. If you want to look at the wireless clients only , you can go to the “Wireless Settings” page in AP or Ga teway mode for “Show Client” button.
1 1. Emergency Firmware Recove ry AirLive G .DUO User’ s Manual 108 The G .DUO features emergency fi rmware upgrade function that c an restore your AP from a firmware crashed. If you can’t access your AP anymore, please first try to restore the setting to default by holding the RESET butt on (in the back) for more than 7 seconds.
1 1. Emergency Firmware Recove ry 109 AirLive G .DUO User’ s Manual Fig 1-2 : Press and hold th e reset button while plugging in the pow er . 6. Open a browser; type “ 192.168.1.6” for the website address. The followin g screen should show up 7.
12. Frequent Asked Questions AirLive G .DUO User’ s Manual 11 0 In this chapter, we will address some frequent asked questions about G.DUO Question : Why is there no passwor d protection for G .DUO? Answer : By default, the pa ssword protection is turned off for G .
12. Frequent Asked Questions 111 AirLive G .DUO User ’ s Manual ====================================== ============================== Question : When I wan to use “Site Survey” tool to connect with a AP that has no encryption, why does the G .
12. Frequent Asked Questions AirLive G .DUO User’ s Manual 11 2 Question : Why can’t I get SNMP access? Answer : The SNMP management interface is turned off by default. Please go to “System Configuration-> SNMP Management” menu to enable it.
13. Specifications 1 13 AirLive G .DUO User’ s Manual The specification of G.DUO is subject to change without notice. Please use the information with caution.
13. Specifications AirLive G .DUO User’ s Manual 11 4 13.2 Radio Specifications 13.2.1 Frequency Band USA (FCC) 11 Channels: 2.412GHz~2.462GHz Europe (ETSI) 13 Channels : 2.412GHz~2.472GHz d 13.2.3 Rate and Modulation Data Rate: 54, 48, 36, 24, 18,11, 5.
13. Specifications 1 15 AirLive G .DUO User’ s Manual 9 Mbps -86 1 1 Mbps -85 12 Mbps -85 18 Mbps -84 24 Mbps -80 36 Mbps -78 48 Mbps -73 54 Mbps -72 RF2 Dat a Rate SIGNAL STRENGTH (dB) 1 Mbps -90 2 Mbps -88.5 5.5 Mbps -88 6 Mbps -83 9 Mbps -83 1 1 Mbps -84 12 Mbps -83 18 Mbps -82 24 Mbps -81 36 Mbps -77 48 Mbps -74 54 Mbps -71 13.
13. Specifications AirLive G .DUO User’ s Manual 11 6 Gateway + AP Mode WDS + AP Mode Management Interface Web HTTP Secured Web (HTTPS) T elnet (CLI) SSH/SSH2 (Secured Shell).
14. W ireless Network Gl ossary 1 17 AirLive G .DUO User’ s Manual The wireless network glossary contains ex planation or information about common terms used in wireless networking products. Some of information in this glossary might be outdated, please us e with caution.
14. W ireless Network Gl ossary AirLive G .DUO User’ s Manual 11 8 802.11g A standard provides a throughput up to 54 M bps using OFDM technology. It also operates in the 2.4 GHz frequency band as 802.11b. 802.11g devices are backward compatible with 802.
14. W ireless Network Gl ossary 1 19 AirLive G .DUO User’ s Manual due to waiting for the Ack Windo w to timeout on lost packets. If the ACK setting is too low then the ACK window will have ex pired and the returning packet will be dropped, greatly lowering throughput.
14. W ireless Network Gl ossary AirLive G .DUO User’ s Manual 120 device means end user device such as wireless cards or wireless CPE. CPE Devices CPE stands for Customer Premises Equipment. A CPE is a device installed on the end user's side to receive network services.
14. W ireless Network Gl ossary 121 AirLive G .DUO User’ s Manual Domain Name The unique name that identifies an Internet site. Domain Names always have 2 or more parts, separated by dots. In www.airlive. com, the "airlive.com" is the doman name.
14. W ireless Network Gl ossary AirLive G .DUO User’ s Manual 122 Fragment Threshold Frame Size larger than this will be divided into smaller fragment. If there are interferences in your area, lower this value can improve the performance. If ther e are not, keep this parameter at higher value.
14. W ireless Network Gl ossary 123 AirLive G .DUO User’ s Manual server or a workstati on) within that network. The new IP v6 specification supports 128-bit IP address format. IPsec IP Security. A set of protocols develop ed by the IETF to support secure exchange of packets at the IP layer.
14. W ireless Network Gl ossary AirLive G .DUO User’ s Manual 124 increase the receiver sensitivity and to focus available power at intended Rx. NAT Network Address Translation. A network algor ithm used by Routers to enables several PCs to share single IP address provided by the I SP.
14. W ireless Network Gl ossary 125 AirLive G .DUO User’ s Manual PPPoE Point-to- Point Protocol over Ethernet. PPPoE relies on two widely accepted standards: PPP and Ethernet.
14. W ireless Network Gl ossary AirLive G .DUO User’ s Manual 126 slower the transmission speed, the more sensit ive the radio is. The unit for Receiver Sensitivity is in dB; the lowe r the absolute value is, the hi gher the signal strength. For example, -50dB is higher than -80dB.
14. W ireless Network Gl ossary 127 AirLive G .DUO User’ s Manual firmware to provide SNMP configuration se rvice. The NMS typically is a PC based software such as HP Openview that can vi ew and manage SNMP network device remotely. SSH Developed by SSH Communications Security Ltd.
14. W ireless Network Gl ossary AirLive G .DUO User’ s Manual 128 TX Output Power Transmit Output Power. The TX output pow er means the transmission output power of the radio. Normally, the TX output power level limit for 2.4GHz 1 1g/b is 20dBm at the antenna end.
14. W ireless Network Gl ossary 129 AirLive G .DUO User’ s Manual Wi-Fi Wireless Fidelity. An interoperability cert ification for wi reless local ar ea network (LAN) products based on the IEEE 802.11 standards. The govern ing body for Wi-Fi is called Wi-Fi Alliance (a lso known as WECA).
14. W ireless Network Gl ossary AirLive G .DUO User’ s Manual 130 WPA Wi-Fi Protected Access. It is an encry ption standard proposed by WiFi for advance protection by utilizing a password key (TKIP) or certificate. It is more secure than WEP encryption.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il AirLive G.DUO è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del AirLive G.DUO - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso AirLive G.DUO imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul AirLive G.DUO ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il AirLive G.DUO, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del AirLive G.DUO.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il AirLive G.DUO. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo AirLive G.DUO insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
