Upgrade an IOS-XE Router Using a Consolidated Image
Daniel Manaza from Cisco's architecture team guides through upgrading Cisco iOS XE routers using a Consolidated image, emphasizing preparation, backup, image verification, and boot system configuration.
MAIN POINTS FROM TRANSCRIPT
- Backup the current running configuration using the `show running-config` or `show tech-support` commands.
- Download and copy the desired Consolidated image to the router using SFTP or a USB flash drive.
- Verify the image integrity by checking file size and md5 checksum against expected values.
- Update the boot system variable to point to the new image and schedule a maintenance window for the upgrade.
TAKEAWAYS
- Always save a backup configuration before starting the upgrade process to aid in disaster recovery.
- Use the Cisco software downloads page to obtain the correct image for your router model.
- Ensure image integrity by verifying file size and md5 checksum to prevent corruption issues.
- Console access is crucial during upgrades to manage potential issues and ensure recovery options.