H3C 55820X-28C
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 extended boot menu.
When you see the line BootWare Validating... press Ctrl B only ONCE, before seeing any prompt to do so:
Starting...... ******************************************************************************** * * * H3C S5820X-28C BOOTROM, Version 215 * * * ******************************************************************************** Copyright (c) 2004-2011 Hangzhou H3C Technologies Co., Ltd. Creation Date : Jul 14 2011,09:08:55 CPU Clock Speed : 750MHz Memory Size : 512MB Flash Size : 512MB CPLD Version : 003/003 PCB Version : Ver.B Mac Address : 3822D63575AB
Press Enter when prompted, if asked for BootRom password, leave it blank by just pressing Enter:
Press Ctrl-B to enter Extended Boot menu...0 Please input BootRom password:
Further output will take you to the extended bootware menu.
Bypass configuration and boot up system.
At the Enter your choice(0-9): prompt type 7 to skip the current system configuration, and type y to confirm:
BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify BootRom password 6. Enter BootRom upgrade menu 7. Skip current system configuration 8. Set BootRom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9): 7 The current setting will run with current configuration file when reboot. Are you sure you want to skip current configuration file when reboot? Yes or No (Y/N):Y Setting...Done!
The same menu and prompt will appear, this time type 0 to reboot the system.
Enter your choice(0-9): 0 Starting...... ******************************************************************************** * * * H3C S5820X-28C BOOTROM, Version 215 * * * ******************************************************************************** Copyright (c) 2004-2011 Hangzhou H3C Technologies Co., Ltd. Creation Date : Jul 14 2011,09:08:55 CPU Clock Speed : 750MHz Memory Size : 512MB Flash Size : 512MB CPLD Version : 003/003 PCB Version : Ver.B Mac Address : 3822D63575AB Press Ctrl-B to enter Extended Boot menu...0 Starting to get the main application file--flash:/default_file!................. ................................................................................ ................................................................................ ................................ The main application file is self-decompressing................................. ................................................................................ ................................................................................ .............................Done! The application file is self-decompressing...................................... ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ...............................Done! System is starting... Configuration file is skipped. User interface aux0 is available.
Erase configuration and reboot.
In case there's a backup file, type the reset saved-configuration backup command and type y to confirm:
<H3C>reset saved-configuration backup The saved configuration file will be erased. Are you sure? [Y/N]:y Configuration file in flash is being cleared. Please wait ... Configuration file does not exist!
Type the reset saved-configuration backup command and type y to confirm:
<H3C>reset saved-configuration main The saved configuration file will be erased. Are you sure? [Y/N]:y Configuration file in flash is being cleared. Please wait ... MainBoard: Configuration file is cleared.
Type reboot and follow prompts to continue:
<H3C>reboot Start to check configuration with next startup configuration file, please wait.........DONE! This command will reboot the device. Current configuration will be lost, save current configuration? [Y/N]:n This command will reboot the device. Continue? [Y/N]:y #Apr 26 12:02:54:308 2000 H3C DEVM/1/REBOOT: Reboot device by command.
Repeat step 2 to access the extended boot menu and type 4 to delete a file:
BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify BootRom password 6. Enter BootRom upgrade menu 7. Skip current system configuration 8. Set BootRom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9): 4
Select each data-containing file and confirm the deletion. Repeat this as necessary:
Deleting the file in flash: File Number File Size(bytes) File Name ================================================================================ 1 10484772 logfile.log 2 4 snmpboots 3 2624 private-data.txt 4 16413 qosindex 5 23881 config.cwmp 6 287 system.xml 7 12904 config.cfg 8 11124 iccrunning.cfg 9(*) 27394816 default_file 10 1292 hostkey 11 572 serverkey Free space: 488527872 bytes The current application file is default_file (*)-with main attribute (b)-with backup attribute (*b)-with both main and backup attribute Please input the file number to change: 1 The file you selected is logfile.log,Delete it? (Y/N):Y Deleting........................................................................ .............Done! BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify BootRom password 6. Enter BootRom upgrade menu 7. Skip current system configuration 8. Set BootRom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9):4 Deleting the file in flash: File Number File Size(bytes) File Name ================================================================================ 1 4 snmpboots 2 2624 private-data.txt 3 16413 qosindex 4 23881 config.cwmp 5 287 system.xml 6 12904 config.cfg 7 11124 iccrunning.cfg 8(*) 27394816 default_file 9 1292 hostkey 10 572 serverkey Free space: 499015680 bytes The current application file is default_file (*)-with main attribute (b)-with backup attribute (*b)-with both main and backup attribute Please input the file number to change: 2 The file you selected is private-data.txt,Delete it? (Y/N)Y Deleting...Done! BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify BootRom password 6. Enter BootRom upgrade menu 7. Skip current system configuration 8. Set BootRom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9): 4 Deleting the file in flash: File Number File Size(bytes) File Name ================================================================================ 1 4 snmpboots 2 16413 qosindex 3 23881 config.cwmp 4 287 system.xml 5 12904 config.cfg 6 11124 iccrunning.cfg 7(*) 27394816 default_file 8 1292 hostkey 9 572 serverkey Free space: 499021824 bytes The current application file is default_file (*)-with main attribute (b)-with backup attribute (*b)-with both main and backup attribute Please input the file number to change: 3 The file you selected is config.cwmp,Delete it? (Y/N):Y Deleting...Done! BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify BootRom password 6. Enter BootRom upgrade menu 7. Skip current system configuration 8. Set BootRom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9): 4 Deleting the file in flash: File Number File Size(bytes) File Name ================================================================================ 1 4 snmpboots 2 16413 qosindex 3 287 system.xml 4 12904 config.cfg 5 11124 iccrunning.cfg 6(*) 27394816 default_file 7 1292 hostkey 8 572 serverkey Free space: 499048448 bytes The current application file is default_file (*)-with main attribute (b)-with backup attribute (*b)-with both main and backup attribute Please input the file number to change: 3 The file you selected is system.xml,Delete it? (Y/N):Y Deleting...Done! BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify BootRom password 6. Enter BootRom upgrade menu 7. Skip current system configuration 8. Set BootRom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9): 4 Deleting the file in flash: File Number File Size(bytes) File Name ================================================================================ 1 4 snmpboots 2 16413 qosindex 3 12904 config.cfg 4 11124 iccrunning.cfg 5(*) 27394816 default_file 6 1292 hostkey 7 572 serverkey Free space: 499052544 bytes The current application file is default_file (*)-with main attribute (b)-with backup attribute (*b)-with both main and backup attribute Please input the file number to change: 2 The file you selected is qosindex,Delete it? (Y/N):Y Deleting...Done! BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify BootRom password 6. Enter BootRom upgrade menu 7. Skip current system configuration 8. Set BootRom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9): 4 Deleting the file in flash: File Number File Size(bytes) File Name ================================================================================ 1 4 snmpboots 2 12904 config.cfg 3 11124 iccrunning.cfg 4(*) 27394816 default_file 5 1292 hostkey 6 572 serverkey Free space: 499073024 bytes The current application file is default_file (*)-with main attribute (b)-with backup attribute (*b)-with both main and backup attribute Please input the file number to change: 2 The file you selected is config.cfg,Delete it? (Y/N):Y Deleting....Done! BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify BootRom password 6. Enter BootRom upgrade menu 7. Skip current system configuration 8. Set BootRom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9): 4 Deleting the file in flash: File Number File Size(bytes) File Name ================================================================================ 1 4 snmpboots 2 11124 iccrunning.cfg 3(*) 27394816 default_file 4 1292 hostkey 5 572 serverkey Free space: 499089408 bytes The current application file is default_file (*)-with main attribute (b)-with backup attribute (*b)-with both main and backup attribute Please input the file number to change: 2 The file you selected is iccrunning.cfg,Delete it? (Y/N):Y Deleting...Done!
Type 0 to reboot the system:
BOOT MENU 1. Download application file to flash 2. Select application file to boot 3. Display all files in flash 4. Delete file from flash 5. Modify BootRom password 6. Enter BootRom upgrade menu 7. Skip current system configuration 8. Set BootRom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9): 0 Starting...... ******************************************************************************** * * * H3C S5820X-28C BOOTROM, Version 215 * * * ********************************************************************************
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.