+---+-----+---+ +---+-----+---+
| Server 1 | | Non-VXLAN |
(VXLAN enabled)<-----+ +---->| server |
+-------------+ | | +-------------+
+---+-----+---+ | | +---+-----+---+
|Server 2 | | | | Non-VXLAN |
(VXLAN enabled)<-----+ +---+-----+---+ +---->| server |
+-------------+ | |Switch acting| | +-------------+
+---+-----+---+ | | Gateway |
| Server 3 | | +-------------+