3Com WL-455 manual SymptomSolutions

Page 70

SymptomSolutions

Verify the access point configuration.

Review access point firmware revisions and update firmware if necessary.

No operation.

Make sure that there are no duplicate IP addresses on

 

 

the network. Unplug the access point and ping the

 

assigned address to make sure that no other device

 

responds to that address.

 

 

 

Confirm that the service area on the access point

 

matches that on the clients.

Access point powers up, but

Verify that the clients are operating correctly.

Make sure that security settings on the access point

does not associate with

match those on the clients.

wireless clients.

Make sure that the access point antennas are positioned

 

 

properly.

 

Check the range and move clients closer if necessary.

 

 

Mobile users do not have

Make sure that all access points and wireless devices in

the ESS in which mobile users can roam are configured

roaming access to the access

to the same WEP setting, SSID, and authentication

point.

settings.

 

Try changing the wireless channel on the access point.

Check the access point antennas, connectors, and

Slow or erratic performance. cabling for loose connections.

Check the wired network topology and configuration for malfunctions.

Running on a computer

The 3Com Device Manager cannot discover devices

connected to the wired LAN,

across routers. Make sure that the computer is

the 3Com Device Manager

connected on the same segment as the access point.

cannot find an access point.

 

 

 

After you specify an IP

In the 3Com Device Manager window click the Refresh

address for an access point,

button to refresh the Wireless Network Tree. Then click

the 3Com Device Manager

the access point in the Wireless Network Tree and click

continues to point to the old

Properties. The IP address you specified is now listed. If

IP address when you select

you want to continue configuring the access point,

the access point in the

click Configure.

Wireless Network Tree.

 

 

 

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Contents Wireless LAN Access Point Campus Drive Contents System Configuration Troubleshooting Regulatory Compliance Information Index Page Product Features SecurityPerformance and Reliability „ HTTP/HTTPSWDS Bridging and Spanning Tree Protocol STP Support 802.11G Wireless Network Standard ManageabilityAD HOC Wireless LAN Standard Network Configuration and PlanningInfrastructure Wireless LAN Infrastructure Wireless LAN for Roaming Wireless PCS Advanced Network Configuration and Planning PUBLIC/PRIVATE Access Point ServiceTerminology Page Page Installing the Access Point Installation RequirementsPower Requirements Safety InformationDeciding Where to Place Equipment Performing a Site Survey Before YOU Begin Connecting the Standard Antennas Connecting Power Using the Included AC AdapterUsing AN Optional POWER-OVER Ethernet Injector Checking the Leds Using a POWER-OVER-ETHERNET LAN PortMounting on a Wall Plastic anchors and 3 screws Flat Surface Installation Selecting and Connecting a Different Antenna Model Power Settings on the Access Point for External Antennas USAInstalling Software Utilities European CommunityPage Using the 3COM Wireless Device Manager Launching a Wireless Device ConfigurationClick Configure Setting the Country Code Configuration LoginUsing the PRE-IP Configuration Wizard Basic Setup Identification Advanced SetupDhcp Client WEB Servers Smart MonitorRadius Page Authentication „ 802.1x Supplicant Setup ParameterDescription Filtering by Vlan Filter ControlEnabling Vlan Filtering Security Filters Client List TimeoutUplink Port MAC Address Filtering Filtering by Ethernet Protocol Type Snmp Trap Configuration Trap Description When the Trap is SentSnmp Users Dot1xMacAddrAuthSuccessGroups Snmp Targets Snmp FilterAdministration WDS/STP Settings Radio Bridge Roles Configuration GuidelinesBridge Address Entry Configuring Spanning Tree Protocol Settings Scanning for WDS LinksLink Configuration System LOGStatus Enabling Virtual Access Point VAP Radio SettingsVirtual Access Point VAP Configuration Radio InterfacePage Changing Radio Settings Page Configuring Encryption Selecting a Virtual Access Point VAPConfiguring Authentication SecurityWPA Configuration WEP Configuration HOW to Setup the Access Point for Radius Authentication Select Advanced SetupSelect Advanced Setup HOW to Setup the Access Point for WPA with PRE-SHAREDPSK KEYWPA 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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Manual 66 pages 59.59 Kb

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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