Router# upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg slot R0 Use code with caution.
: Fixes rare boot-loop issues, power-supply communication errors, and false-positive component failures during Power-On Self-Test (POST).
If you are running IOS-XE 17.3.x, the ROMMON version embedded within that software release is 173-1r . asr1000-rommon.173-1r.spa.pkg
Here is a compatibility table for common IOS-XE releases:
Document the active ROMMON version to confirm whether an upgrade is necessary. Router# show platform | include ROMMON Use code with caution. Here is a compatibility table for common IOS-XE
Once the router completes its boot cycle, log back into the CLI via the console or SSH to verify that the system is running the updated firmware. Run the show platform command: Router# show platform Use code with caution.
The 17.x train represented a significant shift in Cisco's IOS-XE architecture. The version 173-1r (v17.3.1) is a mature release in this train. Run the show platform command: Router# show platform
| Component | Value | Meaning | |-----------|-------|---------| | Platform | asr1000 | Compatible with all ASR 1000 series (1001, 1002, 1004, 1006, 1013, etc.) | | Component | rommon | Indicates this is ROMMON firmware (not IOS-XE, ESP firmware, or SPA drivers) | | Version | 173-1r | Primary firmware revision 173, sub-release 1, with r likely denoting a recommended release or specific build. In Cisco’s scheme, this equates to ROM version 1.73(1r) | | Extension | .spa.pkg | Shared Port Adapter package format – actually a .pkg file containing binary firmware, checksums, and metadata. |