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Gigabyte GN-A11G, User Manual

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Gigabyte GN-A11G User Manual Download Page 46

GN-A11G Wireless LAN Access Point 

Chapter 5 Troubleshooting 

 
This chapter gives information about troubleshooting your wireless Access Point. 
Read the descriptions below to help you diagnose and solve the problem. 
 

Q:  What to do if you forget your password or forget the IP address of the 

Access Point? 

A:  

Please press the 

“init”

 bottom on the Access Point for 5 seconds. The 

Access Point will be restart and the system setting will restore to the default 
value. 

 

Q:  Unable to connect to the Internet? 
A: 

1.  Please confirm that the power cord is connected properly, and the 

Access Point’s power LED is correctly lit. 

 

2.  Please confirm whether all of the settings described in this manual are 

correctly set. 

 

3.  Please confirm that your ADSL/Cable Modem is operating normally, 

and/or you have ISP service available. 

 

4.  Please confirm if your network cable is connected correctly, and the LED 

status is normal. 

 

Q:  Unable to access the Access Point’s Web Configuration Interface? 
A: 

1.  Please check the Ethernet connection between the PC and the Access 

Point is properly connected. 

 

2.  Make sure your computer’s IP address is on the same subnet as the 

Access Point. 

 

3.  Make sure you are using the correct login information. 

 

Q:  What is the IEEE802.11b standard? 
A:

  It also referred to as 802.11 High Rate or Wi-Fi. It is an expansion to 802.11 

that applies to wireless LAN and provides 11 Mbps transmission (with a 
fallback to 5.5, 2 and 1 Mbps) in the 2.4 GHz band. The 802.11b uses only 
Direct Sequence Spread Spectrum (DSSS). The 802.11b was a 1999 
ratification to the origianl 802.11 standard, allowing wireless functionality 
comparable to Ethernet. 

 

Q: What is WEP? 
A: 

Wired Equivalent Privacy (WEP). A security mechanism defined within the 
802.11 standard. Designed to make the link integrity of the wireless medium 
equal to wired cable. 

 

Q:  What is the IEEE802.11g standard? 
A:  

IEEE 802.11g standard specifies data rates of up to 54 Mbits/s in the 
2.45-GHz band. It uses Orthogonal Frequency Division Multiplexing (OFDM), 
which is the mandatory provisions have been made within the standard to 
make it inherently compatible with the well-established 802.11b standard at 
11 Mbits/s, which uses Complementary Code Keying (CCK) modulation. 
Both .11g and .11b can operate at ranges of up to 300 feet. 

46 

Summary of Contents for GN-A11G

Page 1: ...GN A11G Wireless LAN Access Point User s Manual ...

Page 2: ...between the equipment and the antenna Connect this equipment with a socket different from the one connected with antenna Ask help from experienced audio video technicians FCC Caution To assure continued compliance any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment This device complies with Part 15 of...

Page 3: ... installation 8 Connecting AP 8 Chapter 3 Access Point Manager AP Manager 11 Install Access Point Manager 11 Using Access Point Manager 15 Firmware upgrade 34 Uninstall AP Manager Utility 35 Chapter 4 Web based configuration 37 Chapter 5 Troubleshooting 46 Appendix A Glossary 47 Appendix B Specifications 50 Physical Interface 50 Specifications 50 Appendix C Configuration of the PCs 51 The TCP IP S...

Page 4: ...photos videos or MP3 files Furthermore the router supports up to 128 bit WEP encryption to safeguard your privacy on line GNA11G not only enables simple and easy installation and usage but also provides you useful AP Manager Configuration Utility and Web based configuration Features Conforms to IEEE 802 11b g specification and is compatible to Wi Fi Supports convenient SNMP management Supports adv...

Page 5: ...If there is any missing or damaged accessory please contact your local distributor or dealer immediately If a replacement unit is needed please return the device with the original packing material otherwise the warranty will be voided Rear and side panel Z Y X The Wireless LAN Access Point s ports are located on the router s rear panel and the antenna is located on the side panel X Power Socket Th...

Page 6: ...hen the LED is on the power is supplied to GN A11G Note When you change the settings and save them the power LED will be temporarily off Y WLAN Green On ADSL Cable Modem is connected to WAN port Flashing Data is being transmitted wirelessly Z LAN Green On LAN port has detected a link with a 10 100 Mbps device Flashing Data is being transmitted wirelessly 6 ...

Page 7: ...thernet cable System Requirements One computer works under Windows Macintosh or Linux If wants to activate AP Manager it is suggested to use a computer with Windows OS Internet Configuration Requirements To connect AP Manager with Wireless LAN Access Point please set up the following parameters for TCP IP configuration Static IP Address 192 168 1 x e g 2 253 Subnet Mask 255 255 255 0 Default Gatew...

Page 8: ...thernet cable to AP and the other end to a hub converter router or wiring panel normally fixed on the wall 4 Connect one end of power adapter to AP and the other end to a socket Note please only use the power adapter provided in the Gigabyte s package the device may be damaged if a different adapter is used As for normal households the range of signal receiption should not be an issue In case of n...

Page 9: ...ddress of the AP is 192 168 1 1 and the Subnet Mask is 255 255 255 0 You can enter an IP address of 192 168 1 20 if not assigned to other network equipments and an Subnet Mask of 255 255 255 0 Note For further instructions regarding to this step please refer to Appendix C Computer Configuration 2 Please connect APs in turns and assign a static IPs to each AP For example 192 168 1 2 or 192 168 1 y ...

Page 10: ...se set the AP Manager in the same Subnet DHCP Server Converter Hub Converter Hub Obtain an IP address automatically DHCP server is enabled If a DHCP server is used on the network it can connect to APs and AP Manager through converters hubs You should set the IP address of AP as Obtain an IP address automatically DHCP will assign an IP address to the AP The Subnet must be the same for the PC AP Man...

Page 11: ...iciency of wired connection is better than that of wireless connections among APs It is suggested to use wired connections to manage APs 2 It is suggested to disable firewall while setting Wireless LAN Access Point with AP Manager utility Install Access Point Manager Install Gigabyte AP Manager in Windows with the following steps Step 1 Insert the Installation CD into your CD ROM drive and click I...

Page 12: ...GN A11G Wireless LAN Access Point Step 4 Enter users data and then click Next Step 5 Click Next to accept default directory or Browse other locations 12 ...

Page 13: ...GN A11G Wireless LAN Access Point Step 6 Click Next Step 7 Click Next 13 ...

Page 14: ...GN A11G Wireless LAN Access Point Step 8 Wait for a while Step 9 Click Finish to complete the installation 14 ...

Page 15: ...tility Gigabyte AP Manager to launch Gigabyte AP Manager Enter password admin and click OK button When you open Gigabyte AP Manager it will automatically search for AP in the same Subnet You can also double click icon to manually search for AP Page control Status bar Tree Structured review Tool bar Task bar 15 ...

Page 16: ...ddress I t also allows you to Save and Load configurations of AP and to Copy and Paste configurations on the current page Other functions include System Reboot and Load Default Password Allows you to change password for AP Manager and set SNMP strip Help On line help and AP Manager version Exit Exit AP Manager Note When you search an AP via a AP name Tools Search By AP Name you may click Search Ne...

Page 17: ...ion Load AP configuration saved in a temporary file Page Copy Copy configuration for current page Page Paste Paste copied content to the current page You may paste the settings from AP1 to AP2 on the same bar tab System Reboot Reboot AP Load Default Load default values for AP Connect to AP by IP If you want to manage APs on different Subnets use this function and enter IP 17 ...

Page 18: ...g Device Information Device Information includes AP names MAC addresses description version wireless type and card configuration type 1 You may change AP name to any name exclusive for the AP 2 You may select desired wireless type from Wireless Type 3 You may select desired wireless LAN card from Card Config Type 18 ...

Page 19: ...istency of community strings 1 Go to Task Bar Password Set Commuinity String and set the community string for AP Manager 2 Remember or write down the community string When you forget the community string just press the Reset button to reset the AP settings including community string to default values Note SNMP community string defines the relationship between SNMP AP Manager and agent systems all ...

Page 20: ...ned IP address is exclusive for the AP Subnet Mask Please assign a Subnet Mask for an AP The default Subnet Mask is 255 255 255 0 Gateway Please enter the IP address for the default router The default gateway is 192 168 1 254 After changing the IP address for AP please change the PC s IP address AP Manager so that both have the same Subnet Mask Then click Find Access Point icon AP Manager willl fi...

Page 21: ...bled If you are not sure DHCP server is available on the network and wish to use an AP as DHCP server please select Auto DHCP Client Range DNS When Server Enabled is selected please enter the range of your IP addresses and DNS DNS information is provided by your ISP 802 1d Spanning Tree When the 802 1d Spanning Tree function is enabled the circuit problem among multi APs or routers in the network ...

Page 22: ...seller immediately Channel ID Please choose the channel for best performance Normally no change is needed The default value is Auto and will be detected automatically by the system Preamble Type Preamble is provided for the receiving end to synchronize necessary operations Two settings are available Long or Short The default value is Long Users can configure in accordance with their needs Transmit...

Page 23: ...tting enables you to hide ESSID which is needed by the users to connect to AP The default setting is Disable RTS Threshold The default value of 2347 shall be retained In case of inconsist data flow it is suggested to make some modifications Enter a value within the range 0 2347 for the port RTS Request To Send is a function requesting permission to transmit signals RTS is a collision avoidance met...

Page 24: ...ing the wireless network Authentication Type You may select from Open System Shared Key Both WPA and WPA PSK The default value of authentication type is Shared Key Open System The sender and the recipient do not share a key Each party generates its own shared key and asks the receiver to accept the usually randomly key Once accepted this key is used for a short time only then a new key is generate...

Page 25: ...crypted keys Instead rekeying is a tedious manual process and is completely impractical for large organizations After all the instant you rekey an access point none of the clients will be able to access it until they are also rekeyed But with WPA the rekeying of global encryption keys is required In the case of unicast traffic the encryption key is changed after every frame using Temporary Key Int...

Page 26: ...nd the default value is 1812 RADIUS sercet The field can key in up to 256 character WPA Re Key Under this option two setting are possible enable or disable The default value is enable WPA Re Key Interval Enter a value for re key interval unit sec Verify the desire setting and then click Apply button to set the value into access point When you select WPA authentication type a window for Radius sett...

Page 27: ...g and then click the Apply button to set the value into access point 64 40 Bits 128 104 Bits There are two levels of encryption 64 bits and 128 bits The 64 bits encryption is referenced as a lower level encryption The 128 bits encryption is referenced as a higher level encryption The 64 bits WEP encryptions use 40 bits as a secret key which can controlled by user and 24 bits as the initialize vect...

Page 28: ... Enable MAC filter Choose the Enable MAC filter option which only allows NICs of MAC addresses listed to access the AP Click the Add button to add more MAC addresses or Remove to delete MAC addresses from the authorized MAC addresses table Besides you can click Edit button to edit the MAC address Disable MAC filter The default setting is Disable MAC filter All NICs can be connected to APs when MAC...

Page 29: ...eration mode is set to Access Point by default This connected your wireless PC to a wired network In most cases no change is necessary Point to Point Only one Access Point can be assigned to connect with WDS in the Point to Point mode In this WDS supported mode the Access Point can communicate with other GIGA BYTE Access Point that is also set to Point to Point mode You have to enter MAC address o...

Page 30: ...t through WDS list in the Point to MultiPoint In this supported WDS mode the Access Point can communicate with other Giga Byte Access Point that is also set to Point to MultiPoint mode Click the WDS List button it will go to the WDS List page Note The maximum number of connectable Access Point is 8 30 ...

Page 31: ...se MAC address into the WDS list Besides you can click Edit button to modify MAC address that you select on the WDS list click Remove button to delete the MAC address that you select on the WDS list Or you can click Cancel button to reserve the original values Finally please click OK button to return to the Operation Mode page and click Apply button to set value into the AP 31 ...

Page 32: ...ccess Point Associated List Page Form this page you will get the information of the workstation which can connect to the Access Point The form list includes the MAC address Signal level and description of the workstation 32 ...

Page 33: ...ge dialogue Please enter a new administration password and confirm it then press OK button to confirm You have to enter this new password to log in when you want to use the AP Manager next time Set Community String The community string defines the relationship between AP Manager and the AP This string acts like a password to control the AP Manager to access the AP For detail description please ref...

Page 34: ...yte AP Upgrade Step 2 The Gigabyte Firmware Upgrade Tool screen will appear Please enter the AP IP Address which you want to upgrade the firmware You can press Ping button to verify whether the AP is online Step 3 Press Open button to choose the firmware then press Upgrade button to start the firmware upgrade process Note During the firmware upgrade process please DO NOT turn off the PC or AP and ...

Page 35: ...yed You can find then on line help and the version information of firmware upgrade utility Uninstall AP Manager Utility You can find the Uninstall program through Start Programs Gigabyte AP Manager Utility Uninstall Step 1 InstallShield Wizard will appear then please wait Step 2 Click Yes Step 3 Click OK and then the Gigabyte AP Manager Utility has been uninstalled successfully 35 ...

Page 36: ...onents or reinstall all program components you can run the installation programs directly And then the InstallShield Wizard will appear on the screen Please choose one of the options what you want then click Next to modify repair or remove the Gigabyte AP Manager Utility 36 ...

Page 37: ...on or AP Manager Utility This section introduces web based configuration to set up AP with RJ45 Ethernet cables and computers connected to AP Please enter the IP address of AP into the address line of browser Status You can use this status screen to view the AP s system information current connection status and configuration 37 ...

Page 38: ...lly by the system Wireless Type Please select your desired wireless type RTS Threshold The default value of 2347 shall be retained In case of inconsist data flow it is suggested to make some modifications Enter a value within the range 0 2347 for the port RTS Request To Send is a function requesting permission to transmit signals RTS is a collision avoidance method used by all 802 11b wireless net...

Page 39: ... select None WEP Wired Equivalent Privacy WEP Wired Equivalent Privacy is a data privacy mechanism based on a 64 128 bit shared key algorithm The 64 bits encryption is referenced as a lower level encryption The 128 bits encryption is referenced as a higher level encryption WPA If you have used Wi Fi for a while you may be familiar with 802 1X Authentication Protocol which allows users to authentic...

Page 40: ...ying of global encryption keys is required In the case of unicast traffic the encryption key is changed after every frame using Temporary Key Integrity Protocol TKIP This protocol allows key changes to occur on a frame by frame basis and to be automatically synchronized between the access point and the wireless client Global rekeying works by advertising the new keys to wireless clients WDS Settin...

Page 41: ...ccess Control You may set up users that are allowed to connect to AP via MAC Only computers listed in the table can connect to AP when this function is enabled TCP IP Settings You may set up IP parameters for APs through TCP IP setting screen 41 ...

Page 42: ... APs on the network DHCP Mode 4 options are available Disabled Client Enabled Server Enabled and Auto The default value is Disable If you want to obtain IP addresses from a DHCP server select Client Enabled To use an AP as a DHCP server and assign a dynamic IP address automatically on the network select Server Enabled If you are not sure DHCP server is available on the network and wish to use an A...

Page 43: ...to prevent other users from accessing to AP and changing settings If the field on the screen is blank no protection is provided for security System Settings AP Manager Settings You may change the Community String of AP through AP Manager Settings to prevent other users of AP Manager from accessing and managing the AP 43 ...

Page 44: ...ave Reload Settings You may save the current configuration as a file for restoring configuration in the future You may press Reset to restore to factory default Statistics Statistics shows you the packets flow status on the wireless LAN and Ethernet 44 ...

Page 45: ...GN A11G Wireless LAN Access Point Upgrade Firmware You can upgrade the firmware for AP with this tool The latest firmware version can be downloaded from Gigabyte website Reboot Reboot GN A11G 45 ...

Page 46: ...ccess Point is properly connected 2 Make sure your computer s IP address is on the same subnet as the Access Point 3 Make sure you are using the correct login information Q What is the IEEE802 11b standard A It also referred to as 802 11 High Rate or Wi Fi It is an expansion to 802 11 that applies to wireless LAN and provides 11 Mbps transmission with a fallback to 5 5 2 and 1 Mbps in the 2 4 GHz ...

Page 47: ...sover cables Auto negotiate To automatically determine the correct setting The term is often used with communications and networking DHCP The Dynamic Host Configuration Protocol DHCP is an Internet protocol for automating the configuration of computers that use TCP IP DHCP can be used to automatically assign IP addresses to deliver TCP IP stack configuration parameters such as the subnet mask and ...

Page 48: ...he intranet pass through the firewall which examines each message and blocks those that do not meet the specified security criteria Gateway A device usually a Router that connects hosts on a local network to other networks IP Address Every PC on the Internet has a fixed identifying number called a IP Address A typical IP address looks like this 216 27 61 137 MAC Address On a local area network LAN...

Page 49: ...P TCP IP Transmission Control Protocol Internet Protocol the suite of communications protocols used to connect hosts on the Internet WAN Wide Area Network a communication network that covers a relatively broad geographic area consisting of two or more LANs Broadband communication over the WAN is often through public networks such as the ADSL or Cable systems or through leased lines or satellites T...

Page 50: ...2 1 Mbps for IEEE 802 11b and 54 48 36 24 18 12 9 6 Mbps for IEEE 802 11g LAN Interface 10 100 Mbps LAN port with Auto sensing function Protocol Support TCP IP DHCP UDP ICMP ARP TFTP SNMP Frequency Range 2 4000 2 4835 GHz subject to local regulation Operating Range Indoor 30M 100M 100ft 300ft Open space 100 300m 300ft 900ft subject to local environment LED Power Status Wireless LAN port OS Support...

Page 51: ...nstructure to perform the setup under the TCP IP network environment By default Windows 98 Me 2000 and XP has TCP IP installed If you have not installed the TCP IP communication Protocol please install it now and then select your operating system for the setup The TCP IP Settings under Windows 2000 Step 1 Click the Start button select Settings and then click the Control Panel icon 51 ...

Page 52: ...GN A11G Wireless LAN Access Point Step 2 Double click the Network and Dial up Connection icon Step 3 Double click the LAN CONNECTION and click the Properties button 52 ...

Page 53: ... is checked Then double click on Internet Protocol TCP IP Step 5 Assign the static IP address used by the AP and the same Subnet Mask to the computer For example IP address is192 168 1 2 and Subnet Mask is 255 255 255 0 click the OK button to return to Local Area Connection Properties Click the OK button again to complete the PC configuration 53 ...

Page 54: ...ess LAN Access Point The TCP IP Settings underWindows XP Step 1 Click the Start in the desktop of the Windows to select Settings and then select the Control Panel Step 2 Double click the Network Connections icon 54 ...

Page 55: ...ouble click the LAN CONNECTION and click the Properties button Step 4 The Local Area Connection Properties dialog box will appear Verfiy that the Internet Protocol TCP IP item is checked And then double click on Internet Protocol TCP IP item 55 ...

Page 56: ... address used by the AP and the same Subnet Mask to the computer For example IP address is192 168 1 2 and Subnet Mask is 255 255 255 0 click the OK button to return to Local Area Connection Properties Click the OK button again to complete the PC configuration 56 ...

Page 57: ...ew or reconditioned parts Repaired or replaced products will be returned to you at the same revision level as received or higher at Gigabyte s option Gigabyte reserves the right to replace discounted products with an equivalent generation product KEEP THIS STUB FOR YOUR PURCHASING RECORD Customer Phone No Address Email Model Serial Date of Purchase Place of Purchase Distributor Distributor Custome...

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