NVE2                           DGW1
            M2 +-----------+ +---------+    +-------------+
  +---TS2(VA)--|  (BD-10)  |-|         |----|  (BD-10)    |
  |      ESI23 +-----------+ |         |    |    IRB1\    |
  |        +                 |         |    |     (IP-VRF)|---+
  |        |                 |         |    +-------------+  _|_
 SN1       |                 |  VXLAN/ |                    (   )
  |        |                 |  GENEVE |         DGW2      ( WAN )
  |        +      NVE3       |         |    +-------------+ (___)
  |      ESI23 +-----------+ |         |----|  (BD-10)    |   |
  +---TS3(VA)--|  (BD-10)  |-|         |    |    IRB2\    |   |
            M3 +-----------+ +---------+    |     (IP-VRF)|---+
                                            +-------------+