Cisco 5508 wireless controller

  1. Start the console session.

    Plug in serial cable to console port of device from PC COM1 port
    Open PuTTY and select "Serial" connection type, leave baud rate (Speed) and other settings as default.
    Plug power into device and if a power button exists, turn it on.
  2. Access the Boot Loader Menu

    Press the Esc key when prompted and before the countdown ends:
    WLCNG Boot Loader Version 1.0.1 (Built on Apr 11 2009 at 13:32:33 by cisco) Board Revision 1.3 (SN: FCW1432L087, Type: AIR-CT5508-K9) (P) Verifying boot loader integrity... OK. OCTEON CN5645-NSP pass 2.1, Core clock: 600 MHz, DDR clock: 330 MHz (660 Mhz data rate) FPGA Revision 1.3 Env FW Revision 1.6 USB Console Revision 1.27 DRAM: 1024 MB Flash: 32 MB Clearing DRAM........ done Network: octeth0', octeth1 ' - Active interface E - Environment MAC address override CF Bus 0 (IDE): OK IDE device 0: - Model: VM DFC 1GB Firm: 20090819 Ser#: VM1GB 000012D7 - Type: Hard Disk - Capacity: 967.6 MB = 0.9 GB (1981728 x 512) Press <ESC> now to access the Boot Menu...
    Further output will bring you to the Enter selection: prompt.
  3. Erase configuration and reboot.

    Type 4 to Clear configuration:
    ============================================================ Boot Loader Menu ============================================================ 1. Run primary image (8.3.141.0) - Active 2. Run backup image (8.3.140.0) 3. Change active boot image 4. Clear configuration 5. Format FLASH Drive 6. Manually update images ------------------------------------------------------------ Enter selection: 4 Launching... Re-building configuration filesystem Done. Restarting system.
    Allow the system to reboot and type y when you are prompted to terminate autoinstall:
    Would you like to terminate autoinstall? [yes]: y
    Stop there, do not follow any further prompts.
  4. Copy all the output from the session into your records.

    Right-click PuTTY's titlebar, from that dropdown menu click on "Copy All to Clipboard"
    Open the file of record certifying the deconfiguration of this device and use CTRL V to paste all the output from PuTTY into that file. Formatting the text with a fixed-width font helps it look more readable.
  5. End the session.

    Close PuTTy.