Cisco WS-C3560X-24P-L V04

  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.
  2. Access the pre-boot switch command line interface.

    Press and hold down the Mode button.
    Cisco WS-C3560X-24P-L
    Plug power into device and if a power button exists, turn it on.
    Boot Sector Filesystem (bs) installed, fsid: 2 Base ethernet MAC Address: 6c:41:6a:0f:59:00 Xmodem file system is available. The password-recovery mechanism is enabled.
    After 15+ seconds release the Mode button.
    The system has been interrupted prior to initializing the flash filesystem. The following commands will initialize the flash filesystem, and finish loading the operating system software: flash_init boot
    You should be presented with the switch:  prompt.
  3. Initialise Flash and list existing files.

    Type the flash_init command:
    switch: flash_init Initializing Flash... flashfs[0]: 7 files, 1 directories flashfs[0]: 0 orphaned files, 0 orphaned directories flashfs[0]: Total bytes: 32514048 flashfs[0]: Bytes used: 13050880 flashfs[0]: Bytes available: 19463168 flashfs[0]: flashfs fsck took 7 seconds. ...done Initializing Flash.
    Type the dir flash: command:
    switch: dir flash: Directory of flash:/ 2 -rwx 13011760 <date> c3750-ipservicesk9-mz.122-55.SE10.bin 4 -rwx 1636 <date> vlan.dat 5 -rwx 17583 <date> config.text.backup 6 -rwx 3595 <date> private-config.text 7 -rwx 2072 <date> multiple-fs 8 -rwx 5756 <date> private-config.text.backup 9 -rwx 5092 <date> config.text 19463168 bytes available (13050880 bytes used)
    In the above example, c3750-ipservicesk9-mz.122-55.SE10.bin is a file containing the OS image so is not to be deleted.
  4. Delete configuration files and reboot.

    Use the del command on all data-bearing files, confirming each with y:
    switch: del flash:vlan.dat Are you sure you want to delete "flash:vlan.dat" (y/n)?y File "flash:vlan.dat" deleted 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:config.text Are you sure you want to delete "flash:config.text" (y/n)?y File "flash:config.text" deleted switch: del flash:private-config.text.backup Are you sure you want to delete "flash:private-config.text.backup" (y/n)?y File "flash:private-config.text.backup" deleted switch: del flash:config.text.backup Are you sure you want to delete "flash:config.text.backup" (y/n)?y File "flash:config.text.backup" 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 reset command and confirm with y:
    switch: reset Are you sure you want to reset the system (y/n)?y System resetting...
    Further output should take you to a prompt to terminate autoinstall, respond with y
    00:01:31: %SYS-5-RESTART: System restarted -- Cisco IOS Software, C3750 Software (C3750-IPBASE-M), Version 12.2(35)SE5, RELEASE SOFTWARE (fc1) Copyright (c) 1986-2007 by Cisco Systems, Inc. Compiled Thu 19-Jul-07 19:15 by nachen Would you like to terminate autoinstall? [yes]: y
  5. Check settings are either gone or reset to factory defaults.

    Type n when prompted to enter the initial configuration dialog:
    --- System Configuration Dialog --- Would you like to enter the initial configuration dialog? [yes/no]: n
    Type the enable command for elevated privileges:
    Switch>enable
    Type the show startup-config (then erase startup-config if there is any) and show vlan then show license commands:
    Switch#show startup-config startup-config is not present Switch#show vlan VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Gi1/0/1, Gi1/0/2, Gi1/0/3 Gi1/0/4, Gi1/0/5, Gi1/0/6 Gi1/0/7, Gi1/0/8, Gi1/0/9 Gi1/0/10, Gi1/0/11, Gi1/0/12 Gi1/0/13, Gi1/0/14, Gi1/0/15 Gi1/0/16, Gi1/0/17, Gi1/0/18 Gi1/0/19, Gi1/0/20, Gi1/0/21 Gi1/0/22, Gi1/0/23, Gi1/0/24 Gi1/0/25, Gi1/0/26, Gi1/0/27 Gi1/0/28, Gi1/0/29, Gi1/0/30 Gi1/0/31, Gi1/0/32, Gi1/0/33 Gi1/0/34, Gi1/0/35, Gi1/0/36 Gi1/0/37, Gi1/0/38, Gi1/0/39 Gi1/0/40, Gi1/0/41, Gi1/0/42 Gi1/0/43, Gi1/0/44, Gi1/0/45 Gi1/0/46, Gi1/0/47, Gi1/0/48 Gi1/0/49, Gi1/0/50, Gi1/0/51 Gi1/0/52 1002 fddi-default act/unsup 1003 token-ring-default act/unsup VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1004 fddinet-default act/unsup 1005 trnet-default act/unsup VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2 ---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------ 1 enet 100001 1500 - - - - - 0 0 1002 fddi 101002 1500 - - - - - 0 0 1003 tr 101003 1500 - - - - - 0 0 1004 fdnet 101004 1500 - - - ieee - 0 0 1005 trnet 101005 1500 - - - ibm - 0 0 Remote SPAN VLANs ------------------------------------------------------------------------------ Primary Secondary Type Ports ------- --------- ----------------- ------------------------------------------ Switch#show license Index 1 Feature: ipservices Period left: 8 weeks 4 days License Type: Evaluation License State: Active, Not in Use, EULA not accepted License Priority: None License Count: Non-Counted Index 2 Feature: ipbase Period left: Life time License Type: Permanent License State: Active, In Use License Priority: Medium License Count: Non-Counted Index 3 Feature: lanbase Period left: 0 minute 0 second Switch#
  6. 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.
  7. End the session.

    Close PuTTy.