This chapter provides comprehensive checklists and validation procedures to ensure successful fabric upgrades and downgrades while identifying potential configuration issues that could cause failures.
Check basic information on your fabric
Verify essential fabric information and clear all faults to ensure a smooth upgrade process.
Pre-upgrade validation tools
Describes three different tools available to perform pre-upgrade validation for Cisco Application Centric Infrastructure(ACI).
Requirement: download both 32-bit and 64-bit Cisco ACI-mode switch images
Outlines the requirement to download both 32-bit and 64-bit switch images for Cisco APIC release 6.0(2) and later to prevent upgrade errors.
Deprecated managed objects
This document lists deprecated managed objects that Cisco Application Policy Infrastructure Controller (APIC) checks for during software upgrades..
Upgrade checklists
Check these items before you upgrade Cisco APIC.
Best practice for downgrade checklists and procedures
Outlines the checklist items to review before downgrading to older versions and specific procedures for downgrades from Cisco APIC 6.2(1) or later.
Pre-upgrade validator examples (APIC)
Provides examples of pre-upgrade validator error messages and override options for APIC through both GUI and NX-OS style CLI interfaces.