frr defaults traditional
hostname s2
interface lo
 ip address 10.214.0.102/32
interface eth1
 ip address 10.214.21.0/31
interface eth2
 ip address 10.214.22.0/31
interface eth3
 ip address 10.214.23.0/31
router bgp 65140
 bgp router-id 10.214.0.102
 ! Todavía sin políticas: en esta red cada ruta vale.
 no bgp ebgp-requires-policy
 ! Temporizadores cortos: keepalive 3 s, hold 9 s. El valor de fábrica es 60/180.
 timers bgp 3 9
 neighbor 10.214.21.1 remote-as 65141
 neighbor 10.214.21.1 description l1
 neighbor 10.214.21.1 advertisement-interval 0
 neighbor 10.214.21.1 timers connect 3
 neighbor 10.214.22.1 remote-as 65142
 neighbor 10.214.22.1 description l2
 neighbor 10.214.22.1 advertisement-interval 0
 neighbor 10.214.22.1 timers connect 3
 neighbor 10.214.23.1 remote-as 65143
 neighbor 10.214.23.1 description l3
 neighbor 10.214.23.1 advertisement-interval 0
 neighbor 10.214.23.1 timers connect 3
 address-family ipv4 unicast
  network 10.214.0.102/32
 exit-address-family