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A: Yes, but not recommended. If you must, use the same install add procedure with the older .pkg. Some older ROMMONs disable newer hardware features.
In the world of enterprise and service provider networking, the Cisco ASR 1000 series stands as a workhorse for aggregation, WAN edge, and broadband access. While network engineers spend most of their time worrying about IOS XE versions, feature sets, and license levels, there is one tiny, often overlooked file that holds the power to resurrect a bricked router: asr1000-rommon.173-1r.spa.pkg.
This seemingly cryptic filename is the ROMMON (ROM Monitor) firmware upgrade package for the ASR 1000 series. If your ASR 1002, 1004, or 1006 router suffers a corrupted bootflash, a failed field-replaceable unit (FRU), or a catastrophic IOS crash, the ROMMON is the first code that executes. Without the correct, updated ROMMON, your router might fail to boot or, worse, fail to recover via USB or TFTP.
This article provides an exhaustive breakdown of this file—what it is, why version 173-1r matters, how to upgrade it safely, and how to troubleshoot when things go wrong.
If you want, I can:
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
System Initialization: ROMmon is the bootstrap program that initializes the hardware and boots the Cisco IOS XE operating software.
Firmware Requirement: Upgrading to certain software releases, such as Cisco IOS XE 17.9.4a, often requires this specific ROMmon version as a prerequisite.
Hardware Compatibility: It is used across various ASR 1000 hardware, including Route Processors (RP), Embedded Services Processors (ESP), and SPA Interface Processors (SIP). Critical Installation Notes
Upgrade Command: The standard procedure to apply this package is using the command:upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg all.
Reboot Required: A reload of the router or specific hardware module is necessary for the new ROMmon version to take effect. Known Issues:
CSCwa12192: In some scenarios, upgrading with this package may cause certain modules to enter a "disabled" state.
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
For official documentation and downloads, users typically visit the Cisco Software Central page or refer to the ASR 1000 ROMmon Upgrade Guide.
Here’s a concise, engaging blog post outline and draft based on the filename asr1000-rommon.173-1r.spa.pkg – aimed at network engineers and Cisco ASR1000 administrators.
A: Yes, but not recommended. If you must, use the same install add procedure with the older .pkg. Some older ROMMONs disable newer hardware features.
In the world of enterprise and service provider networking, the Cisco ASR 1000 series stands as a workhorse for aggregation, WAN edge, and broadband access. While network engineers spend most of their time worrying about IOS XE versions, feature sets, and license levels, there is one tiny, often overlooked file that holds the power to resurrect a bricked router: asr1000-rommon.173-1r.spa.pkg.
This seemingly cryptic filename is the ROMMON (ROM Monitor) firmware upgrade package for the ASR 1000 series. If your ASR 1002, 1004, or 1006 router suffers a corrupted bootflash, a failed field-replaceable unit (FRU), or a catastrophic IOS crash, the ROMMON is the first code that executes. Without the correct, updated ROMMON, your router might fail to boot or, worse, fail to recover via USB or TFTP.
This article provides an exhaustive breakdown of this file—what it is, why version 173-1r matters, how to upgrade it safely, and how to troubleshoot when things go wrong. asr1000-rommon.173-1r.spa.pkg
If you want, I can:
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
System Initialization: ROMmon is the bootstrap program that initializes the hardware and boots the Cisco IOS XE operating software. A: Yes, but not recommended
Firmware Requirement: Upgrading to certain software releases, such as Cisco IOS XE 17.9.4a, often requires this specific ROMmon version as a prerequisite.
Hardware Compatibility: It is used across various ASR 1000 hardware, including Route Processors (RP), Embedded Services Processors (ESP), and SPA Interface Processors (SIP). Critical Installation Notes
Upgrade Command: The standard procedure to apply this package is using the command:upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg all. If you want, I can:
Reboot Required: A reload of the router or specific hardware module is necessary for the new ROMmon version to take effect. Known Issues:
CSCwa12192: In some scenarios, upgrading with this package may cause certain modules to enter a "disabled" state.
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
For official documentation and downloads, users typically visit the Cisco Software Central page or refer to the ASR 1000 ROMmon Upgrade Guide.
Here’s a concise, engaging blog post outline and draft based on the filename asr1000-rommon.173-1r.spa.pkg – aimed at network engineers and Cisco ASR1000 administrators.
