CCNA路由过滤命令解析(四)(2)

思科认证CCNA路由过滤命令详解(四)

  <2> 应用实例

  router bgp 3

  no synchronization

  neighbor 172.16.1.2 remote-as 3

  neighbor 172.16.20.1 remote-as 1

  neighbro 172.16.20.1 filter-list 1 out

  no auto-summary

  !

  ip as-path access-lsit 1 permit ^$