3Com WL-455 manual Troubleshooting

Page 69

4 TROUBLESHOOTING

If you have difficulty with the 3Com Wireless LAN access point, first check the following items in the configuration:

„Radio Settings page: Ensure that the SSID is the same on clients and the access point.

„Security page: Ensure that Encryption is the same on clients and the access point.

„Authentication page: Ensure that the Local MAC Authentication System Default is set to Allow. Ensure that 802.1x Authentication Settings are correct.

„TCP/IP Settings page: If the DHCP Client is set to Disabled, then ensure that the access point IP Address is within the same subnet as the wired LAN.

If necessary, reset the access point to the factory defaults.

Try the solutions in the following table. If you need further assistance, contact 3Com Technical Support through the following Web page: http://www.3com.com/products/en_US/supportedindex.jsp

Symptom

Solutions

 

 

 

Make sure the Ethernet cable is plugged into the port

Access point does not

labeled To Access Point on the power brick.

 

power up.

Check for a faulty access point power supply.

 

Check for a failed AC power supply

 

 

 

Make sure that the Ethernet cable is plugged into the

Access point powers up, but

port labeled To Hub/Switch on the power brick.

has no connection to the

Verify the network wiring and topology for proper

wired network.

configuration. Check that the cables used are the

 

proper type.

 

 

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Contents Wireless LAN Access Point Campus Drive Contents System Configuration Troubleshooting Regulatory Compliance Information Index Page Security Product Features„ HTTP/HTTPS Performance and ReliabilityWDS Bridging and Spanning Tree Protocol STP Support Manageability 802.11G Wireless Network StandardStandard Network Configuration and Planning AD HOC Wireless LANInfrastructure Wireless LAN Infrastructure Wireless LAN for Roaming Wireless PCS PUBLIC/PRIVATE Access Point Service Advanced Network Configuration and PlanningTerminology Page Page Installation Requirements Installing the Access PointSafety Information Power RequirementsDeciding Where to Place Equipment Performing a Site Survey Before YOU Begin Connecting the Standard Antennas Using the Included AC Adapter Connecting PowerUsing AN Optional POWER-OVER Ethernet Injector Using a POWER-OVER-ETHERNET LAN Port Checking the LedsMounting on a Wall Plastic anchors and 3 screws Flat Surface Installation Selecting and Connecting a Different Antenna Model USA Power Settings on the Access Point for External AntennasEuropean Community Installing Software UtilitiesPage Launching a Wireless Device Configuration Using the 3COM Wireless Device ManagerClick Configure Configuration Login Setting the Country CodeUsing the PRE-IP Configuration Wizard Basic Setup Advanced Setup IdentificationDhcp Client Smart Monitor WEB ServersRadius Page Authentication „ 802.1x Supplicant Setup ParameterDescription Filter Control Filtering by VlanEnabling Vlan Filtering Client List Timeout Security FiltersUplink Port MAC Address Filtering Filtering by Ethernet Protocol Type Snmp Trap Description When the Trap is Sent Trap ConfigurationDot1xMacAddrAuthSuccess Snmp UsersGroups Snmp Filter Snmp TargetsAdministration WDS/STP Settings Configuration Guidelines Radio Bridge RolesBridge Address Entry Scanning for WDS Links Configuring Spanning Tree Protocol SettingsSystem LOG Link ConfigurationStatus Virtual Access Point VAP Configuration Radio SettingsEnabling Virtual Access Point VAP Radio InterfacePage Changing Radio Settings Page Configuring Authentication Selecting a Virtual Access Point VAPConfiguring Encryption SecurityWPA Configuration WEP Configuration Select Advanced Setup HOW to Setup the Access Point for Radius AuthenticationSelect Advanced Setup PRE-SHAREDPSK KEY HOW to Setup the Access Point for WPA withWPA Configuration for Windows XP WPA-PSK Tkip Page Troubleshooting SymptomSolutions Access point that you are configuring and you change Page Regulatory Compliance Information Industry Canada Emissions Compliance Statement EU Compliance Grundlegenden Anforderungen und den anderen EU Restrictions for Use in the 2.4GHz band Page Index Page TCP/IP
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WL-455 specifications

The 3Com WL-455 is a versatile wireless access point designed to meet the needs of small to medium-sized enterprises. Renowned for its robust performance, this device is a critical component for businesses looking to enhance their wireless network capabilities.

One of the standout features of the WL-455 is its ability to support both 802.11b and 802.11g wireless standards. This dual compatibility allows organizations to maintain connectivity with a broad range of devices, ensuring high-speed internet access while reducing the risk of obsolescence as new technologies emerge. The WL-455 supports data rates of up to 54 Mbps, providing sufficient bandwidth for most applications utilized in a business environment.

Security is paramount in today's digital world, and the WL-455 excels in this area. It offers advanced security features including WEP, WPA, and WPA2 encryption protocols, offering multiple layers of protection for sensitive data transmitted over the wireless network. This ensures that employees can connect to the network securely, minimizing the risks posed by potential threats.

In terms of management and installation, the 3Com WL-455 is designed for ease of use. It includes a streamlined web-based interface, which simplifies the process of configuring network settings. Additionally, the device supports Power over Ethernet (PoE), enabling network administrators to deploy the access point without needing external power sources, reducing cabling clutter and simplifying setups.

The WL-455 is also equipped with a feature called Quality of Service (QoS), which prioritizes network traffic to ensure that critical applications receive the necessary bandwidth during peak usage times. This is particularly important for businesses that rely on real-time applications, such as VoIP or video conferencing, where latency and packet loss can severely impact performance.

With a sleek and compact design, the 3Com WL-455 can be easily mounted on ceilings or walls, allowing for flexible placement options within any office environment. Its durable construction ensures that it can withstand the rigors of daily use while maintaining optimal performance.

Overall, the 3Com WL-455 is a powerful solution for organizations aiming to implement a reliable and secure wireless network. With its range of features, user-friendly management tools, and robust security measures, it emerges as an excellent choice for businesses looking to improve their connectivity and efficiency in an increasingly wireless world.
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