![]() Service Set IdentifierĬisco Aironet WLAN devices must be set to the same Service Set Identifier (SSID) as all the other Cisco Aironet devices on the wireless infrastructure. These parameters include the Service Set Identifier, frequency, data rate, and distance. If you configure the parameters incorrectly, the problem that results appears to be a problem with the radio. ![]() You must configure certain parameters properly for the devices to communicate successfully. When you encounter radio communication problems, the configuration of the WLAN devices can be the cause of the radio failure. Wireless LAN Controller (WLC) Software Upgrade Upgrading IOS on the 1400 series Wireless Bridge Upgrade Cisco IOS on an Autonomous Access Point Upgrading VxWorks Firmware from the Console You can find the directions to upgrade firmware at: Use the Cisco Downloads ( registered customers only) to obtain updated drivers and firmware. Use the most recent version of the driver or firmware with your WLAN products. If you encounter a radio communication problem with your WLAN, ensure that each component runs the latest revision of its firmware or driver. Occasionally, you can trace a problem with the radio signal to a problem in the firmware on the communicating devices. Refer to the Cisco Technical Tips Conventions for more information on document conventions. This document is not restricted to specific software and hardware versions. There are no specific requirements for this document. RF impairments that include antenna and cable problems ![]() You can trace problems with the radio frequency (RF) communications between Cisco Aironet WLAN components to four root causes: This document addresses some of the major issues you encounter when you try to establish a radio link between elements of a wireless LAN (WLAN). ![]()
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