You can reset a 3COM SuperStack switch to default settings without knowing the password. This has been tested on SuperStack 1100 and SuperStack 3300.
Use a serial console and boot the device. When prompted for a name and password, use ‘3comcso’ and ‘RIP000’ (case sensative). You will be given the one option to reset the device. This resets all custom settings: IP, users (and passwords), SNMP, everything
