hiI tried to upgrade via USB. the new firmware cat9k_iosxe.17.09.05.SPA.binthe command i used isswitch# copy usbflash0:cat9k_iosxe.17.09.05.SPA.bin switch# source file: cat9k_iosxe.17.09.05.SPA.binswitch #destination file: i gave the existing file of...