The radio has failed to respond to a request to reset the interface. The radio has failed to respond to the "dot11 flash" command. You can then compare the radio reset history with the general AP log ( show ap log command) in order to determine what went on around the time of the resets and how long the radios were unavailable. In order to see the radio reset history, enter these privileged exec mode commands on the AP: ap# show trace dot11_rst display time format local Radio resets - total:8 retries:0 failed:0 Detailed Radio Reset History Radio resets - total:8 retries:0 failed:0ĪP# show controllers dot11Radio 1 | i reset Here is an example: AP# show controllers dot11Radio 0 | i resetĭriver TX blocks: in use 0, high 0, at reset 0, fail 0 drop 0 The Radio Reset Code can be seen from the AP CLI with these commands: show controller dot11radio 0 or show controller dot11radio 1.Īt the end of the output, you see the Radio Reset Code which helps you to identify the reason for the radio reset. This document describes Radio Reset Codes for the Access Point (AP).
In 8.5.140.0 / 15.3(3)JF9 and later, the Radio Reset Codes were changed see the article Cisco Access Point Radio Reset Code Reference for the current behavior.
If you can't see the desktop and instead see a blue, black, or blank screen, see Troubleshoot blue screen errors or Troubleshoot black or blank screen errors.Note: this article pertains to IOS APs running 8.5.135.0 / 15.3(3)JF8 and earlier. Windows will attempt to reinstall the driver. Right-click (or press and hold) the name of the device, and then select Uninstall. If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions. Select Search automatically for updated driver software. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. In the search box on the taskbar, enter device manager, then select Device Manager. You probably already have the most recent drivers, but if you'd like to manually update or reinstall a driver, here's how: Before you beginĭriver updates for Windows, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update. If you are having problems with Windows Update, you might see if any of the links at Update Windows can help you out first. Note: The best and safest way to get driver updates in Windows is always through Windows Update.
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