3Com 9150, 9550 manual Troubleshooting, Diagnosing Problems

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Diagnosing Problems

63

A TROUBLESHOOTING

Diagnosing Problems

If you have difficulty with the Access point, try the following solutions.

Symptom

After you change the IP address, restore a backup configuration, or reset the Access Point to factory defaults, the Configuration Management System stops responding and you cannot continue configuring the Access point. If you change the IP address and click Apply, you cannot continue to configure the device using the old IP address. Similarly, after you restore a backup configuration or reset the Access Point to factory defaults, the IP address setting may be changed.

Solution

To recover from this situation and continue configuring the

Access Point:

1Close your browser.

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Contents 3Com AirConnect 9550 11n 2.4+5GHz PoE Access Point Page 3Com Corporation 350 Campus Drive Marlborough, MA Environmental Statement Introduction Ssid Bssid Iapp Troubleshooting Antennas Used per Mode Console Cable Pin-out Page Security Key Product FeaturesManageability Performance and Reliability802.11a Wireless Network Standards802.11b/g Ieee 802.3af Installing Your 3com Wireless Access Point Networks with a Dhcp Server Access PointNetworks without a Dhcp Server 3Com Wireless Wireless Infrastructure Device Manager Launching the 3Com Wireless Infrastructure Device Manager3Com Wireless Infrastructure Device Manager Click on the Properties button to see the following screen Logon Screen First Time Only System StatusSystem Summary System Summary Wireless Station List Wireless Station ListEvent Log List Event Log ListSetup Wizard System Configuration4G Radio Wireless Network WEP System Properties 4G Wireless Security SettingsWireless Bridge Mode Access Point modeIP Settings Wireless Network Wireless NetworkStandard Channel Wireless ModeCurrent Profiles Ssid Profile Settings Station Separation Suppressed SsidWEP SecurityWPA Only WPA2-Only WPA2-Mixed WDS Link SettingsProfile Ssid Isolation System Configuration WEP WPA-PSK Tkip WPA-PSK AES WDS Security SettingsWireless Advanced Settings Transmit PowerFragment Length Association TimeoutBeacon Interval Data Beacon RateAggregation Support 802.11d supportDistance Antenna TypeQoS Management Vlan Service802.11F Iapp Support Choose either Enable or DisableClick Add Ack-Policy Setting DescriptionDefault value table Sntp Following settings can be configured System Log Syslog FunctionSyslog Port Syslog ServerSyslog Level Management AdministrationSnmp MAC Filtering Access Control ListRogue AP Detection Rogue AP DetectionBackup/Restore Settings Backup/ Restore SettingsFirmware Auto Upgrade Firmware Auto UpgradeFirmware Upgrade Firmware Manual UpgradeResult Reboot RebootingConnecting Through the Com Port Reset Hole Location Restoring Factory SettingsDiagnosing Problems TroubleshootingSymptom Solution s Disconnecting the Access Point Upgrading Access Point Firmware Telephone Technical Support and Repair 3COM ProductTelephone Technical Support and Repair END-USER License Agreement Telephone Technical Support and Repair Appendix Antennas Used per ModeMode Antennas Used Console Cable Pin-out RJ45 to D-SUB 9 pin cable Console Cable Pin-out Numerics IndexSsid WPA