Or power cycle the chassis entirely (turn off/on). The ROMMON version is read very early in POST.
| RP Model | Supported ROMMON | Notes | |----------|----------------|-------| | RP1 (ASR1000-RP1) | Up to 152-1r | with 173-1r – different CPU architecture | | RP2 (ASR1000-RP2) | 173-1r and later | Fully compatible | | RP3 (ASR1000-RP3) | 173-1r baseline, but later versions exist | Works, but newer hardware may require 174+ | | ESP100/200/ESP3 | N/A | ESPs have separate firmware (not updated via this package) | asr1000-rommon.173-1r.spa.pkg
This article is for educational purposes. Always follow Cisco’s official documentation and change management policies when upgrading firmware. Or power cycle the chassis entirely (turn off/on)
In older ROMMON versions, booting via USB was unreliable. Version 173-1r added robustness to usb flash: commands, allowing engineers to recover a router with no console interruptions. but later versions exist | Works