Hi,
You might get better inputs here if you share more particular questions on migration.
Migration approach may differ from case to case. However, you can refer the document below which can help you get generic idea about various aspects of migration.
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/migration_guides/migrating_existing_networks_to_aci.html
Regards,
Jayesh
Rate all posts that are helpful.
