Asr1000-rommon.173-1r.spa.pkg [better]

Even though ROMMON is not a full IOS-XE package, the ASR1000 package manager treats it specially.

Verify the file integrity by checking the MD5 checksum against Cisco’s documentation: Router# verify /md5 bootflash:asr1000-rommon.173-1r.spa.pkg Use code with caution. Step 3: Executing the Upgrade

The file is a specific, digitally signed software package used to upgrade the ROMMON on supported Cisco ASR 1000 platforms to version 17.3(1r). Technical Specifications and Compatibility File Identity Filename: asr1000-rommon.173-1r.spa.pkg

Once the router completes its reboot cycle, log back into the CLI via the console or SSH and run the following command to confirm the upgrade was successful: Router# show rom-monitor slot R0 Use code with caution. Expected Output Fields asr1000-rommon.173-1r.spa.pkg

This article is for educational purposes. Always follow official Cisco documentation for production network changes.

| Component | Meaning | |-----------|---------| | | Platform family (ASR 1000 series – including ASR 1001-X, 1002-HX, 1004, 1006, etc.) | | rommon | ROMMON – the bootstrap firmware stored on the RP (Route Processor) or ESP (Embedded Services Processor) | | 173-1r | Version number: Major version 173, minor version 1, revision r (often indicates a rebuild or service pack) | | spa | Shared Port Adapter – though here, it indicates the package type for the SPA/driver environment | | pkg | Package file – the installable software bundle for the IOS XE ecosystem |

Upgrading to this specific ROMmon version is crucial for several reasons, often driven by the need to run modern IOS-XE versions. 1. Support for Modern IOS-XE Even though ROMMON is not a full IOS-XE

However, you cannot upgrade FPGA firmware if your ROMMON is too old to understand the new firmware format. This is why having the correct ROMMON package (like 17.3.1r) is a prerequisite for running stable 17.x code.

Every part of this filename has a specific meaning. Understanding it prevents version mismatch errors.

In the world of high-performance networking, maintaining the integrity and security of your infrastructure is paramount. For administrators managing Cisco ASR 1000 Series Aggregation Services Routers, one of the most critical maintenance tasks is upgrading the ROM Monitor (ROMMON). Specifically, the file is a pivotal upgrade package required to ensure stability and compatibility with newer Cisco IOS XE releases. | Component | Meaning | |-----------|---------| | |

Once the ROMMON is at 17.3(1r) , you can safely proceed with an upgrade to your target 17.x IOS-XE version. Install Command :

The package file is corrupted or corrupted during transfer.