Cisco CATALYST 4506-E
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.
Access the rommon commandline.
Press Ctrl-C when prompted and before the countdown ends:
************************************************************ * * * Welcome to Rom Monitor for WS-X45-SUP7L-E System. * * Copyright (c) 2008-2013 by Cisco Systems, Inc. * * All rights reserved. * * * ************************************************************ Rom Monitor (P) Version 15.0(1r)SG10 CPU Rev: 2.2, Board Rev: 6, Board Type: 105 CPLD Lobot Rev: 7.0x4b61.0x7344 Chassis: WS-C4506-E MAC Address : f4-cf-e2-7e-3b-f6 Ip Address : Not set. Netmask : Not set. Gateway : Not set. TftpServer : Not set. Non-Redundant system or peer not running IOS System Uplinks & Linecards have been reset!! ***** The system will autoboot in 5 seconds ***** Type control-C to prevent autobooting. . Autoboot cancelled......... please wait!!! rommon 1 > [interrupt]
Bypass the current configuration and boot up.
Type confreg at the rommon 1 > prompt and follow the prompts ensuring you press y when prompted to ignore system config info and when asked to save the configuration:
rommon 1 >confreg Configuration Summary : => load rom after netboot fails => console baud: 9600 => autoboot from: the first file from internal flash device do you wish to change the configuration? y/n [n]: y enable "diagnostic mode"? y/n [n]: n enable "use net in IP bcast address"? y/n [n]: n disable "load rom after netboot fails"? y/n [n]: y enable "use all zero broadcast"? y/n [n]: n enable "break/abort has effect"? y/n [n]: y enable "ignore system config info"? y/n [n]: y change console baud rate? y/n [n]: n change the boot characteristics? y/n [n]: n Configuration Summary : => break/abort has effect => ignore system config info => console baud: 9600 => autoboot from: the first file from internal flash device do you wish to save this configuration? y/n [n]: y You must reset or power cycle for new configuration to take effect
Type the reset command:
rommon 2 >reset Resetting .......
Allow the system to fully boot up, and press the Enter key when prompted to press RETURN.
Erase configuration and reboot.
Type the enable command for elevated privileges:
Switch>enable
Type the erase startup-config command and confirm with y:
Switch#erase startup-config Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]y[OK] Erase of nvram: complete
Type the dir command, then use the del command with * patterns to delete any files that are not OS boot images like .bin files:
Directory of bootflash:/ 14754 -rw- 122497844 Jun 21 2015 22:33:18 +00:00 cat4500e-universal.SPA.03.04.05.SG.151-2.SG5.bin 14755 -rw- 27752 Aug 22 2015 01:08:36 +00:00 ccanults03c45_backup_22.08.15 831541248 bytes total (708800512 bytes free)
Type the show vlans command to ensure no LANs are configured:
Switch#show vlans No Virtual LANs configured.
Type the reload command and confirm with y:
Switch#reload Proceed with reload? [confirm]y *Feb 7 21:18:36.843: %SYS-5-RELOAD: Reload requested by console. Reload Reason: Reload command.Please stand by while rebooting the system... Restarting system.
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.
End the session.
Close PuTTy.