Cisco ME 3400E SERIES

  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 prompt.

    Repeatedly press the Break key. TIP: If your keyboard does not have a Break key, in PuTTY right-click the titlebar for the dropdown menu -> Special Command -> Break:
    Using driver version 1 for media type 1 Base ethernet MAC Address: f0:b2:e5:09:eb:00 Xmodem file system is available. The password-recovery mechanism is disabled. *** The system will autoboot in 5 seconds *** Send break character to prevent autobooting. Initializing Flash... mifs[2]: 8 files, 1 directories mifs[2]: Total bytes : 1806336 mifs[2]: Bytes used : 475648 mifs[2]: Bytes available : 1330688 mifs[2]: mifs fsck took 1 seconds. mifs[3]: 0 files, 1 directories mifs[3]: Total bytes : 3870720 mifs[3]: Bytes used : 1024 mifs[3]: Bytes available : 3869696 mifs[3]: mifs fsck took 0 seconds. mifs[4]: 7 files, 3 directories mifs[4]: Total bytes : 25933824 mifs[4]: Bytes used : 8959488 mifs[4]: Bytes available : 16974336 mifs[4]: mifs fsck took 3 seconds. ...done Initializing Flash. done. The password-recovery mechanism has been triggered, but is currently disabled. Access to the boot loader prompt through the password-recovery mechanism is disallowed at this point. However, if you agree to let the system be reset back to the default system configuration, access to the boot loader prompt can still be allowed.
    Type y when prompted to reset the system back to the default configuration:
    Would you like to reset the system back to the default configuration (y/n)?y
  3. Erase data/credentials and boot.

    Type the dir flash: command, then delete any data bearing files in the directory with the del flash: command without pattern matching shortcuts, confirming with y each time:
    switch: dir flash: Directory of flash:/ 3 drwx 512 <date> me340x-metroaccessk9-mz.122-52.SE 8 -rwx 24 <date> private-config.text 9 -rwx 2072 <date> multiple-fs 16983040 bytes available (8950784 bytes used) switch: del flash:private-config.text Are you sure you want to delete "flash:private-config.text" (y/n)?y File "flash:private-config.text" deleted switch: del flash:multiple-fs Are you sure you want to delete "flash:multiple-fs" (y/n)?y File "flash:multiple-fs" deleted
    Type the boot command:
    switch: boot
    Type n when prompted about entering the configuration dialog:
    Would you like to enter the initial configuration dialog? [yes/no]: n
  4. Erase configuration.

    Type the enable command for privileged commandline access:
    Switch>enable
    Type the erase startup-config command then y to confirm:
    Switch#erase startup-config Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]y [OK] Erase of nvram: complete Switch# *Mar 1 00:01:27.484: %SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram
  5. 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.
  6. End the session.

    Close PuTTy.