3Com 11 Mbps manual Continue to configure the access point using the old IP

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44CHAPTER 6: TROUBLESHOOTING

Symptom

Solutions

 

 

While you are configuring the

To maintain wireless association, the WLAN service area and

access point, the Configuration

the security settings on the client and the access point must

Management System stops

match exactly. Therefore, if you are associated with the

responding.

access point that you are configuring and you change the

 

access point WLAN service area or security, make sure to

 

change the client WLAN service area to match.

 

If you change the IP address and save the change, you cannot

 

continue to configure the access point using the old IP

 

address. Therefore, if you want to continue configuring this

 

access point after you save this change, you must do the

 

following:

 

1 Close your browser.

 

2 Return to the device manager Wireless Network Tree and

 

click Refresh.

 

3 Select the access point and click Configure to start a new

 

configuration session.

 

 

After you specify an IP address

In the Device Manager window click the Refresh button to

for an access point, the device

refresh the Wireless Network Tree. Then click the access point

manager continues to point to

in the Wireless Network Tree and click Properties. The IP

the old IP address when you

address you specified is now listed. If you want to continue

select the access point in the

configuring the access point, click Configure.

Wireless Network Tree.

 

Your wired LAN DHCP server malfunctions, but the access point DHCP server fails to assign IP addresses.

If the Wireless DHCP Server property on the access point is enabled, the access point assigns IP addresses after the lease periods on the previous IP addresses expire. If you want to force the access point to start assigning IP addresses before the lease periods expire, reboot the access point.

The access point stops

Set the access point to obtain an IP address automatically. It

assigning IP addresses after you

cannot act as a DHCP server when it has an assigned

assign it an IP address.

IP address.

 

 

PC Cards other than 3Com

The cards may not support the access point’s enhanced

11 Mbps Wireless LAN PC

performance features. Try turning the Network Traffic

Cards cannot communicate

Accelerator off and set the Data Preamble transmission

with the access point.

properties to “Long”.

 

 

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Contents Mbps Wireless LAN Access Point User Guide VersionSanta Clara, California 3Com CorporationBayfront Plaza 95052-8145Contents Conducting a Site Survey Regulatory Compliance Information Index Page Access Point 8000 Feature Summary IntroductionInstallation Overview Management toolsInstallation Overview Page Before You Begin Installing the Access PointDeciding Where to Place EquipmentAttached before the access point is installed ConnectingPlacing the Access Standard AntennaPlacing the Access Point SET Connecting Power Checking the LEDs Connecting to anEthernet Network As shown belowOmnidirectional Antenna Model number 3CWE490 3CWE492 3CWE497 3CWE498Ceiling Mount Omnidirectional Antenna Ceiling Mount Hallway AntennaDirectional Panel Antenna Side Installing Software Utilities Page Upper-Layer Access Point SecurityAuthentication Access Point Security Support Using the Wireless802.1x Radius 802.1x AgentEAP-MD5 Using the Wireless 802.1x Agent Page 3Com 11 Mbps Wireless LAN Access Point 8000 Configuration Configuring the Access PointInstalling the Device ManagerClick Configure Configuration UsingDisplay help on the contents of that Management SystemSetting Network Properties Properties Setting DataTransmission Setting Advanced Data TransmissionSetting up Security Saved passwords on the clients Setting up a UserAccess List ListDefining Radius Setting up a MACAddress Access List ServersSystem Log Setting up aDefining a Tftp Server Upgrading the SystemDefaults AdministrationPassword Resetting the AccessViewing Statistics Viewing System Status Configuring the Access Point Locations Conducting a Site SurveyChoosing Trial EnvironmentalSurvey Procedure SummaryLaunching the Tool Setting up EquipmentSite Survey Tool Interpreting Test ResultsSite Survey Menus LAN Site Survey windowPage Troubleshooting Symptom SolutionsContinue to configure the access point using the old IP Online Technical ServicesTechnical Support Country Telephone Number Asia, Pacific Rim Latin America Country Telephone Number Europe, Middle East and AfricaEurope and South Africa North AmericaCountry Telephone Number Fax Number Regulatory Compliance Information European Community CE Index Snmp management

11 Mbps specifications

3Com 11 Mbps was a pivotal product in the evolution of networking technology, paving the way for wireless communications as we know them today. Introduced in the late 1990s, this wireless LAN (Local Area Network) product utilized the IEEE 802.11 standard, which defined the protocols for wireless networking. Operating at a maximum data rate of 11 megabits per second, it offered users a revolutionary means of connecting devices without the constraints of physical cabling.

One of the main features of the 3Com 11 Mbps solution was its simplicity and ease of installation. Unlike traditional wired networks that involved intricate setups of cabling and switches, 3Com facilitated a swift deployment process. Users could set up a wireless network in minutes, allowing organizations to enhance their productivity without extensive infrastructure.

The technology behind 3Com 11 Mbps was based on Direct Sequence Spread Spectrum (DSSS) modulation. This approach spread the signal over a wider frequency range, which improved resistance to interference from other devices. The 2.4 GHz frequency band used by this network supported compatibility with various devices, making it a flexible option for businesses and homes alike.

In terms of security, 3Com incorporated Wired Equivalent Privacy (WEP), which aimed to provide a level of data confidentiality comparable to that found in wired networks. However, WEP was later found to have vulnerabilities, leading to the development of more secure protocols like WPA (Wi-Fi Protected Access) and WPA2 in subsequent technologies.

Another characteristic that distinguished the 3Com 11 Mbps system was its ability to support multiple devices simultaneously. With the emergence of wireless laptops, printers, and other peripherals, a single access point could service several users without significant performance degradation.

Ultimately, the 3Com 11 Mbps was a significant stepping stone in the development of wireless technology. It showcased the potential of wireless networking and set the standard for future innovations. Although much faster and more secure wireless technologies have since emerged, the legacy of 3Com 11 Mbps resides in the fundamental advancements it brought to the realm of connectivity, making it easier and more accessible for users around the globe.