I have 14 LAP1131 running on 2 WLCs version 5.1.151.0. The problem is the trap logs on WLCs show that the radio interface is going down and then going up suddenly as below.<br /><br />Log System Time Trap<br />--- -----------------------...

I installed flash module (4MB) to Cisco877, then formatted the flash and uploaded IOS version 12.4(11)XJ into the router. After turned off the router more than 1 day, it could not open the boot file. The size of IOS is 0 byte when I typed the command...