|<--EVPN-Overlay--->|<--EVPN-MPLS-->|

             +---------+ +--------------+
      +----+ BUM       +---+             |
      |NVE1+----+----> |   +-+-----+     |
      +----+  | |   DF |GW1| |     |     |
              | |      +-+-+ |     |    ++--+
              | |        |   |     +--> |PE1|
              | +--->X +-+-+ |          ++--+
              |     NDF|   | |           |
      +----+  |        |GW2<-+           |
      |NVE2+--+        +-+-+             |
      +----+  +--------+ |  +------------+
                         v
                       +--+
                       |CE|
                       +--+