The radio shuts down after you upgrade the firmware


Wed, 11/18/2009 - 18:22
Jun 18th, 2009

Core Issue

This occurs after upgrading the firmware on the access point or the 350 series bridge.


If you are running firmware version 11.21, use the following procedure:

  • Select yes for the Require use of Radio Firmware X.XX setting on the AP/Root Radio Advanced page, and follow the upgrade steps again.

Also refer to the "Require Use of Radio Firmware x.xx section" of the Configuring the Radio and Basic Settings document.

Problem Type


Interference issues ( EMI / RF issues)


AP 340, 350

AP 1200

BR 350



This Document

Related Content



Trending Topics: Other Wireless Mobility

client could not be authenticated
Network Analysis Module (NAM) Products
Cisco 6500 nam
reason 440 driver failure
Cisco password cracker
Cisco Wireless mode