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  • So basically, MPLS does not have its own hardware switch -- it uses IP routers, right? Commented Sep 7, 2020 at 4:41
  • In the sense that MPLS isn't a layer-2 protocol, no. But MPLS protocol support is definitely baked into various bits of hardware. Commented Sep 8, 2020 at 3:40
  • switching is a layer-2 term, routing is layer-3. MPLS is technically a layer-2, but it's on the fence. Once labeled, it's "switching", but the addition/removal of a label is "routing". However, (as stated) MPLS is never put "on the wire" as-is, there's always some other layer-2 first. Commented Feb 16, 2021 at 1:35