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

If your output shows anything lower than 17.3(1r) , you likely need the upgrade before proceeding with recent IOS-XE releases.

Use the following command to initiate the upgrade.

Router# upgrade rom-monitor filename bootflash:asr1000-rommon.173-1r.spa.pkg all Use code with caution. asr1000-rommon.173-1r.spa.pkg

Always verify compatibility for your specific hardware model using the official Cisco ROMMON and IOS-XE compatibility matrix before performing any upgrade.

The output should clearly display the ROMMON version as 17.3(1r)SPA . Troubleshooting and Recovery If your output shows anything lower than 17

Production routers often run for years without a ROMMON update. However, specific scenarios demand it:

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Use the upgrade command pointing to the specific hardware slot (e.g., R0 or R1 depending on your Route Processor configuration):