frr defaults traditional
hostname b
interface eth1
 ip address 10.207.3.1/30
interface eth2
 ip address 10.207.7.2/30
interface eth3
 ip address 10.207.8.2/30
router bgp 64620
 bgp router-id 10.207.0.4
 no bgp ebgp-requires-policy
 timers bgp 3 9
 neighbor 10.207.3.2 remote-as 64640
 neighbor 10.207.3.2 description d (proveedor)
 neighbor 10.207.3.2 advertisement-interval 0
 neighbor 10.207.7.1 remote-as 64604
 neighbor 10.207.7.1 description r4 (cliente)
 neighbor 10.207.7.1 advertisement-interval 0
 neighbor 10.207.8.1 remote-as 64603
 neighbor 10.207.8.1 description r3 (cliente)
 neighbor 10.207.8.1 advertisement-interval 0
 address-family ipv4 unicast
 exit-address-family