Cisco APIC Installation and ACI Upgrade and Downgrade Guide
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Cisco APIC Installation and ACI Upgrade and Downgrade Guide
Updated: July 12, 2026
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Describes leaf switches in a network topology that do not implement virtual port channel technology.
A leaf switch without vPC is a network device that connects end hosts to the network fabric without using virtual port channel technology for redundancy.
Same as Spine Switches above.
Old and new switches running the same ACI software version is a compatibility feature that allows legacy and modern switches to operate on identical software versions.
Same as Spine Switches above.
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