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How to Find & Retrieve WLC's crash coredump from its's flash to external FTP/TFTP server

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    Introduction

    How to Find & Retrieve WLC's crash coredump from its's flash to external FTP/TFTP server.

    Show Coredump Summary - Output

    (WiSM-slot8-1) >show coredump summary
    
    Core Dump is enabled
    
    FTP Server IP....................................  128.172.193.253
    FTP Filename.....................................  Poca-WiSM-1_cd
    FTP Username.....................................  mcdaviddj
    FTP Password..................................... *********
    
    Core Dump file on flash:
    
    SW Version....................................... 7.3.101.0
    Time  Stamp....................................... Mon Apr 15 15:00:51 2013
    File  Size........................................ 62563632
    File Name  Suffix................................._7.3.101.0_Poca-WiSM-1_1366052451.gz  =======> Core Dump of crash stored in Flash

    Transferring CoreDump file 

    If there is a coredump file available then transfer to external FTP/TFTP  server. To transfer the file from the controller to a server, enter these  commands: 

    (Cisco Controller) >transfer upload datatype coredump
    (Cisco  Controller) >transfer upload filename <desired filename>
    (Cisco  Controller) >transfer upload mode <tftp/ftp>
    (Cisco Controller)  >transfer upload serverip <ip>
    (Cisco Controller) >transfer  upload start

    (You may need to specify file path as well, and username/password for  FTP)

    If you are using an FTP server, also enter these commands:

    (Cisco  Controller) >transfer upload username username
    (Cisco Controller)  >transfer upload password password
    (Cisco Controller) >transfer upload  port port


    The default value for the port parameter is 21.

    To view the updated settings, enter this command:

    (Cisco Controller)  >transfer upload start

    When prompted to confirm the current settings and start the software upload,  answer y.

    After the file is uploaded, it ends with a .gz suffix. If  desired, you can upload the same core dump file multiple times with different  names to different servers.

    Currently, it is cli only and no gui option.

    Comments

    Thank you for the useful post.

    :-)

    Beginner

    Hi,

    Please! How to open a CORE DUMP file (CISCO WLC) for check?

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