Using HyperTerminal with 3Com Superstack 3300. Use Null-Modem Cable which connects Console port on switch and serial port. Web links Coursera Cloud. Mar 14, 2015 - The other alternative is to get a DB9 serial cable and plug into the console port. A shot to get into them through the web interface (if it's setup to do so). Found a link for an intro to configuring 3com switches that jogged some.

I recently had a problem in my home lab where I had forgotten the password to my 3COM 2928 SFP Plus switch. So I was unable to logon to the web administration page to configure the ports. As I understand it, if you do not know any usernames/passwords for the switch your only option is to perform a factory reset, losing ALL configuration from the switch. So hopefully you have an up-to-date backup of the config to re-apply, or it was a simply setup you can remember. You need to do this out of hours if it's in production!

Clifford 7752x replacement remote. Note: The default password for a 3COM 2928 SFP (I assume its the same all the 2900 series and some other 3COM switches): • Username: admin • Password: To perform the factory default reset of the switch I did the following: 1. Connect a Cisco (light blue) console cable between a computer (serial) and the 3COM switch (RJ45 console port) 2. Open PUTTY with a serial connection and the following settings (38400, 8, 1, N) 3.

Power on the 3COM switch and wait for the 'Starting.' Text to appear Starting. ************************************************************************ * * * 3COM 2928-SFP Plus BOOTROM, Version 119 * * * ************************************************************************ Creation Date: Feb 3 2010 CPU L1 Cache: 32KB CPU Clock Speed: 333MHz Memory Size: 128MB Flash Size: 128MB CPLD Version: 002 PCB Version: Ver.B Mac Address: 002473959EC8 4. When 'Press Ctrl-B to enter Extended Boot menu.' Appears, press 'CTRL+B' Press Ctrl-B to enter Extended Boot menu.0 Please input BootRom password: BOOT MENU 5. Press '7' to 'Skip current system configuration' 1. Download application file to flash 2.

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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 7.

Press 'Y' to skip the current config at next reboot 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! Now Press '0' to reboot the switch 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 9. The switch will reboot, allow it to fully boot this time Starting. ************************************************************************ * * * 3COM 2928-SFP Plus BOOTROM, Version 119 * * * ************************************************************************ Creation Date: Feb 3 2010 CPU L1 Cache: 32KB CPU Clock Speed: 333MHz Memory Size: 128MB Flash Size: 128MB CPLD Version: 002 PCB Version: Ver.B Mac Address: 002473959EC8 Press Ctrl-B to enter Extended Boot menu.0 Starting to get the main application file--flash:/S2900-CMW520-R1101P09.bin!.....