Diagnosing Problems

65

4Make sure the subnet address matches that of the computer.

Symptom

Two Access Points cannot communicate in ad-hoc mode.

Solution

Adjust the positions of the Access Points to improve reception.

To ensure correct operation in ad-hoc mode, the settings on the two Access Points must match exactly.

Launch the Access Point Configuration Management System and make sure that the Wireless LAN Service Area, channel selections, Data Preamble setting, and security setting are the same on both Access points.

Symptom

You are running Windows NT. After you connect the Access Point, your computer cannot obtain a valid IP address.

Solution (s)

The Access Point configuration settings may not be compatible with the network. If they are not, and your Windows NT computer is set up to obtain its IP address from a DHCP server, the Access Point is unable to associate with the network to obtain the IP address.

To work around this, set a static IP address on your computer. Then set the Access Point configuration to match the network. When the Access Point is able to associate, reset your computer to obtain its IP address from the DHCP server. If the Access Point

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3Com 9150, 9550 manual Solution s