BGP选路原则--本地优先级（LocPrf）

如果BGP收到相同的路由，首选值PrefVal如果也相同的话，那么就会继续比较下一条原则：本地优先级Local_Pref一、拓扑图二、配置BGP路由协议：R1bgp 100peer 12.1.1.2 as-number 200peer 13.1.1.3 as-number 200R2bgp 200peer 4.4.4.4 as-number 200peer 4.4.4.4 connect-interface LoopBack0peer 12.1.1.1 as-number 100R3bgp 200peer 4.4.4.4 as-number 200peer 4.4.4.4 connect-interface LoopBack0peer 13.1.1.1 as-number 100R4bgp 200peer 2.2.2.2 as-number 200peer 2.2.2.2 connect-interface LoopBack0peer 3.3.3.3 as-number 200peer 3.3.3.3 connect-interface LoopBack0三、在R1发布2条BGP路由