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一次解决华为5700交换机接口处于discard状态导致业务不通的故障-年轻人,少吐槽,多搬...

 6 years ago
source link: http://blog.51cto.com/11555417/2074469
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在以太网交换网中部署生成树协议后,如果网络中出现环路,生成树协议通过拓扑计算,可实现:消除环路:通过阻塞冗余链路消除网络中可能存在的网络通信环路。链路备份:当前活动的路径发生故障时,激活冗余备份链路,恢复网络连通性。华为交换机默认是开启mstp,但是没有配置。一次在机房解决交换机问题的时候,发现业务不通。分析过后,主要是eth0/1接口学习不到mac地址,同时接口又是处于up状态。经过反复检查接口

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