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  • Abid Ghufran thinks this is interesting:

4.

From

Cover of Using TRILL, FabricPath, and VXLAN: Designing Massively Scalable Data Centers (MSDC) with Overlays

Note

  • Inner DMAC is for the Layer-3 gateway interface
  • Layer-2 learning takes place
  • Source VNI leads to VRF
  • VRF-ID and Inner DIP used to route the packet