juniper-bgp配置命令（备忘）

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　　ex4550与防火墙旁路BGP牵引配置
　　创建as域及对端
　　set routing-options autonomous-system 65533
　　set protocols bgp group ebgp type external
　　set protocols bgp group ebgp neighbor 10.0.0.2 multihop
　　set protocols bgp group ebgp neighbor 10.0.0.2  import bgp_permit
　　set protocols bgp group ebgp neighbor 10.0.0.2  export bgp_deny
　　set protocols bgp group ebgp neighbor 10.0.0.2  peer-as 65534
　　编写需要发布/不发布的路由，需要引入的路由。
　　set policy-options policy-statement bgp_deny term 1 from route-filter 0.0.0.0/0 orlonger
　　set policy-options policy-statement bgp_deny term 1 then reject
　　set policy-options policy-statement bgp_permit term 1 from route-filter 1.0.0.0/24 upto /32
　　set policy-options policy-statement bgp_permit term 1 then accept
　　set policy-options policy-statement bgp_permit term 2 then reject
　　创建策略路由指定回注端口。
　　set firewall family inet filter zzidcip term pass from destination-address 1.0.0.0/24
　　set firewall family inet filter zzidcip term pass then routing-instance zzidcip
　　set firewall family inet filter zzidcip term 1 then accept
　　set routing-instances zzidcip instance-type forwarding
　　set routing-instances zzidcip routing-options static route 0.0.0.0/0 next-hop 172.31.4.5
　　主策略路由内引入附表 。
　　set routing-options rib-groups celve import-rib zzidcip.inet.0
　　端口应用策略路由。
　　set interfaces xe-0/0/20 unit 0 family inet filter input zzidcip
　　set interfaces xe-0/0/20 unit 0 family inet address 10.0.0.1/30
　　通过show bgp summary查看bgp状态