: Always run an MD5 checksum on the file once it is uploaded to the switch to ensure it wasn't corrupted during the TFTP/FTP transfer:

Cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin

: Always run an MD5 checksum on the file once it is uploaded to the switch to ensure it wasn't corrupted during the TFTP/FTP transfer: