3Com 5500-EI 52-port
Start the console session.
Plug in serial cable to device from PC COM1 port
Open PuTTY and select "Serial" connection type, change baud rate (Speed) to 19200 and leave other settings as default.
Plug power into device and if a power button exists, turn it on.
Access the BOOT MENU
Press Ctrl B when prompted to, and before the countdown ends.
Starting...... ****************************************************************** * * * Switch 5500-EI 52-Port BOOTROM, Version 4.06 * * * ****************************************************************** Copyright (c) 2004-2010 3Com Corporation and its licensors. Creation date : Sep 25 2010, 11:36:03 CPU Clock Speed : 200MHz BUS Clock Speed : 33MHz Memory Size : 64MB Mac Address : 002473d98700 Press Ctrl-B to enter Boot Menu... 1
You will be prompted for a password. The default is no password so just leave it blank press the Enter key:
password: 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 configuration file 8. Set bootrom password recovery 9. Set switch startup mode 0. Reboot Enter your choice(0-9):
Erase configuration and reboot.
A restart ignoring the current configuration is needed, so choose option 7 and confirm with y:
Enter your choice(0-9): 7 The current setting will boot with current configuration file when rebooted. Are you sure you want to skip the current configuration file when rebooting? Yes or No(Y/N) y Setting......done!
When the menu prompt appears again, choose option 0:
Enter your choice(0-9): 0 System rebooting... Starting......
Further output with bring you to the <5500-EI> prompt. Type the dir command, then the del command with * for pattern matching to delete the files that are not OS boot images, confirming with y for each:
<5500-EI>dir Directory of unit1>flash:/ 1 (*) -rw- 19808 Jan 17 2019 16:10:39 3comoscfg.cfg 2 (*) -rw- 995524 Sep 18 2012 07:18:29 s4h04_05.web 3 -rw- 11382 Aug 25 2006 12:00:00 3comoscfg.def 4 (b) -rw- 4678689 Apr 02 2013 12:04:14 s4m03_03_02s168ep20.app 5 -rw- 17647 Apr 20 2013 00:12:57 iccrunning.cfg 6 (*) -rw- 4699542 Dec 24 2014 13:51:02 s4m03_03_02s168ep22.app 15367 KB total (5052 KB free) (*) -with main attribute (b) -with backup attribute (*b) -with both main and backup attribute <5500-EI>del 3com*. Delete unit1>flash:/3comoscfg.cfg?[Y/N]:y . %Delete file unit1>flash:/3comoscfg.cfg...Done. Delete unit1>flash:/3comoscfg.def?[Y/N]:y . %Delete file unit1>flash:/3comoscfg.def...Done. <5500-EI>del *.web Delete unit1>flash:/s4h04_05.web?[Y/N]:y . %Delete file unit1>flash:/s4h04_05.web...Done. <5500-EI>del *.cfg Delete unit1>flash:/iccrunning.cfg?[Y/N]:y . %Delete file unit1>flash:/iccrunning.cfg...Done.
Type the reboot command:
<5500-EI>reboot Start to check configuration with next startup configuration file, please wait...... This command will reboot the device. Current configuration may be lost in next startup if you continue. Continue? [Y/N] y This will reboot device. Continue? [Y/N] y #Apr 2 10:00:41:853 2000 5500-EI COMMONSY/5/REBOOT:- 1 - Reboot Fabric by command. <5500-EI> %Apr 2 10:00:45:853 2000 5500-EI DEV/5/DEV_LOG:- 1 - Switch is rebooting... Starting......
Do not continue, just turn off/unplug the device.
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.