Asr1000-rommon.173-1r.spa.pkg
Deep Dive: Understanding the "asr1000-rommon.173-1r.spa.pkg" File
If you manage a Cisco ASR 1000 Series router, you are likely familiar with the routine of upgrading IOS-XE. However, nestled within the directory listing of your bootflash or inside a software bundle, you may have stumbled across a file with a name like asr1000-rommon.173-1r.spa.pkg.
CSCvz87460: On ASR1002 RP2 modules with VID >= V07, MD5 signature mismatches have been reported during the upgrade process. Summary of Attributes Product Series Cisco ASR 1000 Series Component Type ROM Monitor (ROMmon) Version File Extension .pkg (Package file) Primary Use Case Prerequisite for IOS XE 17.x software upgrades asr1000-rommon.173-1r.spa.pkg
IOS XE Compatibility: Upgrading to modern Cisco IOS XE 17.x releases often requires a minimum ROMMON version to ensure hardware stability and boot functionality. Deep Dive: Understanding the "asr1000-rommon
One-Way Upgrade on Some Platforms
ASR1000-ROMMON.173-1r.spa.pkg — Reference Column
What it is
- Package name: asr1000-rommon.173-1r.spa.pkg
- Target platform: Cisco ASR 1000 Series routers (ROMMON image)
- Purpose: ROMMON (ROM Monitor) software image used for low-level boot, recovery, and platform firmware functions. The file naming indicates a ROMMON build in Cisco’s SPA (system package) format for ASR1000.
Whether you are running a global backbone or a regional aggregation point, verifying and upgrading your ASR 1000 series ROMMON to version 173-1r is a low-risk, high-reward maintenance task. Don’t wait for a boot failure to discover you are running outdated, buggy firmware. Package name: asr1000-rommon
System Initialization: ROMmon is the bootstrap program that initializes the hardware and boots the Cisco IOS XE operating software.
The file asr1000-rommon.173-1r.spa.pkg is a ROM Monitor (ROMmon) firmware package for the Cisco ASR 1000 Series Aggregation Services Routers. This specific version, 17.3(1r), is a critical system component required to support newer versions of the Cisco IOS XE software, specifically when upgrading to the 17.x release train. Purpose and Functionality