Before you migrate your legacy network to a Cisco ACI fabric, you must perform the ACI pre-migration checks to ensure your existing Layer 2 environment is rock-solid. Linking the two environments together without running a thorough audit is a massive risk that can easily trigger unexpected outages.
In this guide, I break down the essential Layer 2 pre-checks you must perform on your legacy switches, so you can execute your data center migration with absolute confidence.
Summary
- VLANs discovery.
- VTP and STP status validation.
- L2 extension link verification.
- BPDU guard and loop guard.
- Fabric stability and interface health.
- MTU and control plane verification.
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Additional Resources:
Cisco ACI Migration Strategy & Step-by-Step Overview
Migrating Existing Networks to Cisco ACI
