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Cisco Bug: CSCtb87285 - Access Point 1250 a radio not coming up

Last Modified

Apr 06, 2011

Products (1)

  • Cisco 4400 Series Wireless LAN Controllers

Known Affected Releases

6.0(162.7) 6.0(183.54) 7.0(89.0)

Description (partial)

If below commands are executed repeatedly in a script, after lot of iterations, AP Radio may not come up.
when we try to enable Radio explicitly via 'config 802.11a enable <Cisco AP>', it might say, Radio is already in that state.

This can happen for both 802.11a or 802.11b Radios.

config 802.11a enable network
config 802.11a disable network

config 802.11a enable <Cisco AP>
config 802.11a disable <Cisco AP>


This is a race condition in the configuration on the controller. When we execute 'config 802.11a enable/disable network' command, controller saves the config locally and race condition happens with configuration saved on the flash when CLIs are executed too fast via script.
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