! En x: pide que el tráfico hacia su prefijo entre por b4 (MED menor gana).
route-map MED_LOW permit 10
 set metric 10
route-map MED_HIGH permit 10
 set metric 50
router bgp 65200
 address-family ipv4 unicast
  neighbor 10.207.4.1 route-map MED_LOW out
  neighbor 10.207.1.1 route-map MED_HIGH out
 exit-address-family