BGP-Community-1

Posted 2020-10-22

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