Switch# copy tftp: flash: Address or name of remote host [ ]? 192.168.1.100 Source filename [ ]? c2960s-universalk9-mz.152-2.e9.bin Destination filename [c2960s-universalk9-mz.152-2.e9.bin]? <Enter>
.bin (binary file used for booting the switch directly). Installation & Configuration c2960s-universalk9-mz.152-2.e9.bin