BGP 拒绝学习某个AS 发布的路由

router bgp 65000

 bgp router-id 10.231.231.231

 network 222.44.xx.xx/29

 neighbor 10.129.129.129 remote-as 65000

 neighbor 10.129.129.129 update-source 10.231.231.231

 neighbor 10.129.129.129 next-hop-self

 neighbor 172.16.99.201 remote-as 64556

 neighbor 172.16.99.201 filter-list deny-as in

 应用AS-path  

!

定义AS-path-list 拒绝以AS-path xxxx结尾的路由

ip as-path access-list deny-as deny _64513$

ip as-path access-list deny-as deny _65100$

ip as-path access-list deny-as deny _64512$

ip as-path access-list deny-as deny _54549$

ip as-path access-list deny-as permit .*

最后一条为允许所有