![Ticket#18 – Spanning Tree Topology Change Flood: Root Guard Protects Core Switch [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/07/Ticket18-–-Spanning-Tree-Topology-Change-Flood-Root-Guard-Protects-Core-Switch_networkjourney-1024x1024.png)
Trainer Sagar Dhawan
- July 16, 2025
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Ticket#18 – Spanning Tree Topology Change Flood: Root Guard Protects Core Switch [CCNP Enterprise]
Problem Summary A large enterprise network started experiencing random connectivity...
![Mastering PortFast, BPDU Guard & Loop Guard: STP Protection Techniques Explained with Lab & CLI. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Mastering-PortFast-BPDU-Guard-Loop-Guard_networkjourney-1024x1024.png)
- July 1, 2025
- 0 Comments
Mastering PortFast, BPDU Guard & Loop Guard: STP Protection Techniques Explained with Lab & CLI [CCNP ENTERPRISE]
If you’ve ever faced STP loops or mystery link flaps...