Three-Tier Architecture with FortiGate Devices.

Good morning,

for the network design and architecture of our project we are planning to use a 3-tier architecture and I am wondering which one could be the right combination between:

-) Core Switch

-) Distribution Switch

-) Access (Layer) Switch

following the FortiGate appliances.

One of the supplier suggested the following:

-) Core Switch: 2201E

-) Distribution Switch: 424E

-) Access Switch: 224E

What's your opinion about?

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Can you please suggest any use case to follow that?

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Cheers,