Cisco UCS 6120XP
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.
Boot to the command prompt.
As the device starts up, repeatedly press Ctrl L until the loader> prompt appears, then type the dir command:
User break with default console settings Loader Version pr-1.3 loader> dir bootflash: span.log ucs-6100-k9-kickstart.4.0.1a.N2.1.2j.bin ucs-6100-k9-system.4.0.1a.N2.1.2j.bin sysdebug chassis.img nuova-sim-mgmt-nsg.0.1.0.001.bin pnuos installables cisco_nexus_1000v_certificate.pem distributables initial_setup.log .tmp-kickstart .tmp-system mts.log vdc_2 vdc_3 vdc_4 vms_cert_store bootflash distributables_hdr cores license received TZ_DATA.DAT techsupport chassis2.img fexth.bin backup externalrep
Type boot followed by the filename with kickstart in it shown above in blue:
loader> boot ucs-6100-k9-kickstart.4.0.1a.N2.1.2j.bin Booting kickstart image: ucs-6100-k9-kickstart.4.0.1a.N2.1.2j.bin.... ........................................................................Image v erification OK Starting kernel... Usage: init 0123456SsQqAaBbCcUu INIT: version 2.85 booting Starting UCS6120XP POST...
Further output will bring you to the switch(boot)# prompt.
Set a new password for the admin username and log in with those credentials.
Type the config terminal command:
switch(boot)# config terminal Enter configuration commands, one per line. End with CNTL/Z.
Type the admin-password Passw0rd123 command, then press Ctrl Z or type the exit command:
switch(boot)(config)# admin-password Passw0rd123 switch(boot)(config)# exit switch(boot)#
Power cycle the device and enter admin for the login and Passw0rd123 for the password when prompted:
System is coming up ... Please wait ... Cisco UCS 6100 Series Fabric Interconnect s-ucsfi-1-B login: admin Password: Passw0rd123 Cisco Nexus Operating System (NX-OS) Software TAC support: http://www.cisco.com/tac Copyright (c) 2009, Cisco Systems, Inc. All rights reserved. The copyrights to certain works contained in this software are owned by other third parties and used and distributed under license. Certain components of this software are licensed under the GNU General Public License (GPL) version 2.0 or the GNU Lesser General Public License (LGPL) Version 2.1. A copy of each such license is available at http://www.opensource.org/licenses/gpl-2.0.php and http://www.opensource.org/licenses/lgpl-2.1.php
Further output will bring you to the s-ucsfi-1-B# prompt.
Erase the configuration and reboot.
Type the connect local-mgmt command:
s-ucsfi-1-B# connect local-mgmt
Type the erase configuration command and type yes to confirm:
s-ucsfi-1-B(local-mgmt)# erase configuration All UCS configurations will be erased and system will reboot. Are you sure? (yes/no):yes Removing all the configuration. Please wait.... /bin/rm: cannot remove directory `/bootflash/sysdebug//tftpd_logs': Device or resource busy sudo: cannot get working directory sudo: cannot get working directory Configurations are cleaned up. Rebooting....
Allow the device to restart.
2022 Jul 5 03:22:53 s-ucsfi-1-B %$ VDC-1 %$ %PFMA-2-PFM_SYSTEM_RESET: Manual system restart from Command Line Interface [ 811.287561] Shutdown Ports.. [ 811.321941] writing reset reason 9, 2022 Jul 5 03:22:55 s-ucsfi-1-B %$ VDC-1 %$ Jul 5 03:22:55 %KERN-0-SYSTEM_MSG: [ 811.287561] Shutdown Ports.. - kernel 2022 Jul 5 03:22:55 s-ucsfi-1-B %$ VDC-1 %$ Jul 5 03:22:55 %KERN-0-SYSTEM_MSG: [ 811.321941] writing reset reason 9, - kernel INIT: Sending processes the TERM signale Jul 5 03:23:00 2022): Sending all processes the TERM signal... Sending all processes the KILL signal... Saving random seed: Syncing hardware clock to system time WARNING from hwclock: The clock was in 11 minute mode, which normally means that something else, possibly an NTP daemon, has been setting the hardware clock. Setting the clock with hwclock turns off 11 minute mode. See hwclock documentation. Unmounting file systems: umount2: Device or resource busy umount: /var/tmp: device is busy umount2: Device or resource busy umount: /var/tmp: device is busy /var/tmp: c Unmounting file systems (retry): umount2: Device or resource busy umount: /var/tmp: device is busy umount2: Device or resource busy umount: /var/tmp: device is busy /var/tmp: c Unmounting file systems (retry): umount2: Device or resource busy umount: /var/tmp: device is busy umount2: Device or resource busy umount: /var/tmp: device is busy /var/tmp: c umount2: Device or resource busy umount: /var/tmp: device is busy umount2: Device or resource busy umount: /var/tmp: device is busy mount: you must specify the filesystem type mount: /var not mounted already, or bad option Please stand by while rebooting the system... [ 858.200468] 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.