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

The firmware package asr1000-rommon.173-1r.spa.pkg is the ROM Monitor (ROMMON) image for the Cisco ASR 1000 Series Aggregation Services Routers. It is specifically used to upgrade the low-level boot code on hardware components like Route Processors (RP), Embedded Services Processors (ESP), and line cards (SPA Interface Processors). Why You Need This Upgrade

upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg all Cisco Community asr1000-rommon.173-1r.spa.pkg

Verification and post-upgrade checks

• Check ROMMON version (show platform-specific ROMMON/version command).
• Verify boot variables and that the device boots IOS-XE successfully.
• Confirm hardware/linecard detection and normal operational status.
• Monitor logs for errors during first boot cycles.

Upgrading to 17.3(1r) may cause some modules to enter a "disabled" state after the process. The RP2 Verification Error: The firmware package asr1000-rommon

Part 2: Why is ROMMON Version 173-1r Critical?

The jump to 173-1r was not minor. Previous ROMMON versions (like 16.x or 122-8r) lacked critical support for modern boot scenarios. Here is what 173-1r introduced or fixed: Upgrading to 17