: Multi-slot chassis require a Cisco Hard Disk Drive (HDD) to be present in the Route Processor for a successful upgrade. Step-by-Step Upgrade Procedure
: Upgrading to modern Cisco IOS XE 17.x releases often requires a minimum ROMMON version to ensure hardware stability and boot functionality. asr1000-rommon.173-1r.spa.pkg
Upgrading ROMMON is a critical operation. Always verify your file integrity and back up configurations before proceeding. Index of /Cisco/IOS/ASR : Multi-slot chassis require a Cisco Hard Disk