BGP Med

El atributo MED no sirve para influenciar el trafico de  de entrada a nuestrpo sistema autonomo .

R1:
route-map red1a permit 10
 match ip address 1
 set metric 151
route-map red1a permit 20
!
route-map red1 permit 10
 match ip address 1
 set metric 149
route-map red1 permit 20

router bgp 10
 network 1.1.1.0 mask 255.255.255.0
 network 11.11.11.0 mask 255.255.255.0
 neighbor 2.2.2.2 remote-as 20
 neighbor 2.2.2.2 ebgp-multihop 2
 neighbor 2.2.2.2 update-source Loopback0
 neighbor 2.2.2.2 route-map red1a out
 neighbor 3.3.3.3 remote-as 20
 neighbor 3.3.3.3 ebgp-multihop 2
 neighbor 3.3.3.3 update-source Loopback0
 neighbor 3.3.3.3 route-map red1 out