STP生成树原理以及MSTP配置

Others 2021-11-28 19:12:22 views: null

文章目录

前言：本章介绍STP生成树原理以及MSTP配置

STP生成树的原理

STP(spaning tree protocol)生成树协议，逻辑上断开环路，防止广播风暴的产生，当线路故障，断开接口激活，恢复通信，起备份线路的作用

生产树算法三步骤

1.选择根网桥（ROOT BRIDGE）
网桥=交换机
网桥id唯一，选择id最小的交换机成为根网桥
网桥id范围：0-65536
缺省值：32768=默认值

2.选择根端口
到根网桥最低的路径陈本
直连的网桥id最小
端口id最小

3.根路径成本
网桥到根网桥的路劲上所有链路的成本之和

mstp

是华为独有的协议，具体配置如下
在这里插入图片描述

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Origin blog.csdn.net/weixin_54059979/article/details/120820479
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