One common point of confusion for administrators is the difference between ROMMON and FPGA updates.
upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg all Cisco Community asr1000-rommon.173-1r.spa.pkg
: ROMmon is the bootstrap program that initializes the hardware and boots the Cisco IOS XE operating software. One common point of confusion for administrators is
reload location all force-download
Using the all keyword ensures all relevant line cards and processors are updated simultaneously. asr1000-rommon.173-1r.spa.pkg