We have several WLCs maily 2006 and 4400 series. I am trying to upgarde the software to v 4 from 3.2 and 3.1 via tftp. Everytime i get the error message failed to store in falsh. I have tried several tftp servers from tftpd32 to whitehorn but all the ime Its unsuccessful. the imge is above 25mb and tftp is not designed to handel big files. Is there any other option or procedure whic I need to follw. I have read the Release notes and following the software upgrade process. I have searched cco fro debug output and error messages but couldb't find anything.
The problem is the tftp server. You have to try another one, for me I try the Cisco TFTP server (old software, come with router). You can test with a tftp client (life tftp32) and if the file download succesfuly, it will work with the controller. Don't try the 3com tftp, it failed.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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