From TFTP/FTP server or USB:
If you see (no -E), do not proceed – it will brick the switch. cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
This software release is strictly compatible with Supervisor Engine 7-E, 8-E, and 9-E (and associated line cards). It be loaded on From TFTP/FTP server or USB: If you see