BD1
                                                  Proxy ARP/ND
                                                 +------------+
IP1/M1          +----------------------------+   |IP1->M1 EVPN|
 GARP --->Proxy ARP/ND                       |   |IP2->M2 EVPN|
+---+      +--------+   RT2(IP1/M1)          |   |IP3->M3 sta |
|CE1+------|   BD1  |    ------>      +------+---|IP4->M4 dyn |
+---+      +--------+                 |          +------------+
               PE1                    | +--------+ Who has IP1?
                |           EVPN      | |   BD1  | <-----  +---+
                |           EVI1      | |        | ----->  |CE3|
IP2/M2          |                     | |        | IP1->M1 +---+
 GARP  --->Proxy ARP/ND               | +--------+   |    IP3/M3
  +---+    +--------+   RT2(IP2/M2)   |              |
  |CE2+----|   BD1  |    ------>      +--------------+
  +---+    +--------+                       PE3|    +---+
               PE2                           | +----+CE4|
                +----------------------------+      +---+
                                              <---IP4/M4 GARP