Comando oculto
bgp bestpath as-path multipath-relax
¿Qué hace?
Cisco por defecto no hace load-balance o distribuye tráfico entre diferentes ASs, este comando lo permite. Importante, debes también usar el comando maximum-paths
Ejemplo:
router bgp 65001
bgp router-id 1.1.1.1
bgp log-neighbor-changes
bgp bestpath as-path multipath-relax
neighbor 2001:DB8:12::2 remote-as 65002
neighbor 2001:DB8:12:10::2 remote-as 65002
neighbor 2001:DB8:13:11::3 remote-as 65003
!
address-family ipv4
no neighbor 2001:DB8:12::2 activate
no neighbor 2001:DB8:12:10::2 activate
no neighbor 2001:DB8:13:11::3 activate
exit-address-family
!
address-family ipv6
maximum-paths 3
neighbor 2001:DB8:12::2 activate
neighbor 2001:DB8:12:10::2 activate
neighbor 2001:DB8:13:11::3 activate
exit-address-family
Salida después de la implementación
Network Next Hop Metric LocPrf Weight Path
*m 2001:DB8::4/128 2001:DB8:12:10::2
0 65002 65004 ?
*> 2001:DB8:12::2 0 65002 65004 ?
*m 2001:DB8:13:11::3
0 65003 65004 ?
*m 2001:DB8:24:11::/64
2001:DB8:12:10::2
0 65002 65004 ?
*> 2001:DB8:12::2 0 65002 65004 ?
*m 2001:DB8:13:11::3
0 65003 65004 ?
*m 2001:DB8:34::/64 2001:DB8:12:10::2
0 65002 65004 ?
*> 2001:DB8:12::2 0 65002 65004 ?
*m 2001:DB8:13:11::3
0 65003 65004 ?
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