BGP-Community: 间接影响路由选路!
如下图:100 的网络离开 AS100 时,携带属性离开!
AR1 的配置:
bgp 100
peer 2.2.2.2 as-number 200
peer 2.2.2.2 ebgp-max-hop 255
peer 2.2.2.2 connect-interface LoopBack0
peer 3.3.3.3 as-number 200
peer 3.3.3.3 ebgp-max-hop 255
peer 3.3.3.3 connect-interface LoopBack0
group as200 internal
ipv4-family unicast
undo synchronization
network 100.1.1.0 255.255.255.0
network 100.1.2.0 255.255.255.0
peer 2.2.2.2 enable
peer 2.2.2.2 route-policy 10 export
peer 2.2.2.2 advertise-community
peer 3.3.3.3 enable
peer as200 enable
route-policy 10 permit node 10
if-match acl 2000
apply community 100:100
AR2 的团体属性
来源: http://www.bubuko.com/infodetail-2473883.html