You should implement VSX at the core when the aggregation layer is layer 3 only with OSPF-routed traffic forwarding between the core and aggregation layers.

You should never implement VSX at the core of a 3-tier redundancy core.

VSX-lags allow the collapsed core to connect directly to services such as gateways and services only so long as spanning tree is used to prevent loops.

You should implement VSX at the core when the aggregation layer operates at layer 2 only.

your own lab

Innovation Zone

CX Switch Simulator

Support Portal

Solution Exchange

Demo Experience Platform

You can save half the number of licenses needed for AFC.

The setup is much easier since both switches are sharing the same configuration.

Both members in a VSX-pair can be upgraded without any downtime for the workload.

VMWare-Host can be connected with or without using LACP, regardless of their license.