upgrade rommon filename bootflash:asr1000-rommon.173-1r.spa.pkg 4. Verify and Reload
: Newer versions of IOS XE often require a minimum ROMMON version to boot correctly.
Routers manufactured after February 28, 2021, ship with this version by default. Known Bugs:
install add file bootflash:asr1000-rommon.173-1r.spa.pkg activate commit asr1000-rommon.173-1r.spa.pkg
Use TFTP, FTP, or SCP to move the .pkg file to the bootflash: of your ASR 1000 router.
Router# upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg all
Do not power cycle, reset, or interrupt the router while the upgrade command is running. Doing so can corrupt the primary boot ROM and require an RMA. Step 4: Verify the Upgraded Boot Image upgrade rommon filename bootflash:asr1000-rommon
You must download the asr1000-rommon.173-1r.spa.pkg from the official Cisco website.
Your current (e.g., ASR 1001-X, ASR 1002-HX, or a modular chassis with RP2/RP3)
Before diving into procedures, let’s decode the filename. Cisco’s naming convention is deliberate and informative. Known Bugs: install add file bootflash:asr1000-rommon
The ROM Monitor (ROMMON) is the bootstrap program that initializes the hardware and boots the Cisco IOS XE operating system on Cisco ASR 1000 Series Aggregation Services Routers. Keeping this firmware updated ensures system stability, fixes critical hardware-level bugs, and enables compatibility with newer Cisco IOS XE software releases.
: The upgrade process hangs during the "Burning upgrade partition" phase.