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

asr1000-rommon.173-1r.spa.pkg is a critical ROM Monitor (ROMMON) firmware package designed specifically for the Cisco ASR 1000 Series Aggregation Services Routers. It acts as the router's bootloader, responsible for hardware initialization and launching the Cisco IOS XE operating system The Core Role of ROMMON

Critical Security Fixes

Risk: Power loss during update.

Pro tip: Always match ROMMON with the recommended version in the IOS-XE release notes for your specific ASR1000 model. asr1000-rommon.173-1r.spa.pkg

Upgrading to version 17.3(1r) is often a prerequisite for moving to modern Cisco IOS XE releases, such as the 17.x train, to ensure hardware compatibility and stability. Key Purpose and Compatibility asr1000-rommon

Q: Does upgrading ROMMON erase my configuration?
A: No. The running-config and startup-config are stored in a separate partition (NVRAM or bootflash variable). ROMMON upgrade is non-destructive to configurations. Risk: Power loss during update

Symptom: On ASR1002 RP2 route processors whose VID is greater than or equal to "V07", during upgrade of IOS-XE from 3. x to 17. x, ASR1002-X Upgrade version path - Cisco Community

To successfully apply this ROMMON update, follow these steps: