Asr1000-rommon.173-1r.spa.pkg -

upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg rp0

and verify it with a reload before proceeding to the IOS XE software upgrade to prevent boot-looping. How to Use It asr1000-rommon.173-1r.spa.pkg

Several ASR 1004 units with ESPs were stuck in a power cycle loop when booting 17.x IOS XE. 173-1r included a patch to the hardware initialization sequence for the ESP-100 and ESP-200 cards. upgrade rom-monitor filename bootflash:asr1000-rommon

What if you see no console output at all after power-up? This indicates a catastrophic ROMMON failure. In such cases: asr1000-rommon.173-1r.spa.pkg

Always verify the MD5 hash before burning the image to prevent flash corruption.

Expected output: ROMMON Version: 173-1r

The flicker of the data center’s blue LEDs was the only thing keeping