advanced·20 min·付费

STP Root Bridge Elected Wrong

The network is reachable, but spanning tree chose the wrong root and a longer forwarding path.

场景

Meadowbrook Harvesters added a redundant switch path to keep the packing floor online during maintenance. The network is still reachable, but monitoring shows traffic taking the longer path and the wrong switch acting as the spanning-tree root. Correct the election so forwarding uses the intended topology without removing redundancy.

学习目标

  • spanning tree
  • root bridge election
  • working but suboptimal path

拓扑与配置

此环境包含 5 台设备(2 Hosts, 3 Switchs)。你将配置并排查上方列出的网络技能。

课程主题

认证考纲目标

  • ccna-200-301 · 目标 2.5:Interpret basic operations of Rapid PVST+ Spanning Tree Protocol
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