Upgrade Guide for Cisco Catalyst 9000 Series Switches and Smart Switches

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Upgrade Guide for Cisco Catalyst 9000 Series Switches and Smart Switches

About this content

Provides instructions for upgrading and downgrading Cisco Catalyst 9000 Series Switches and Smart Switches, guiding you through planning, preparation, and execution. It covers pre-upgrade validation, upgrade procedures, post-upgrade verification, troubleshooting, and rollback steps to ensure reliable software transitions


Overview

Pre-upgrade Readiness and Validation

Upgrading Devices

Post-Upgrade Validation

Troubleshooting Device Upgrades

Rolling Back Device Upgrades

Explains rollback procedures for device upgrades, outlining conditions that warrant rollback and providing step-by-step instructions to restore previous device states when upgrades fail.