SSM On-Prem Upgrade Issue: "No Matching MAC Found"

This document provides step-by-step instructions for upgrading Cisco’s Smart Software Manager (SSM) On-Prem from version 7-202001 to 8-202102, addressing common issues like Message Authentication Code (MAC) mismatches and using SFTP for file transfers.
I wrote this a while back when running in to issues in a production environment and am finally posting in case others run in to this while preparing for their Alma Linux upgrades. See my other post for those upgrade steps.

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Using TCL to Update E164 Pattern Maps

This document details using Tool Command Language (TCL) for managing dynamic E164-pattern-maps on routers, focusing on migration scenarios with frequent, noncontiguous number block changes. It outlines syntax and methodologies to optimize handling these updates, ensuring seamless modifications during transitions.

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