![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
- 0 Comments
Ticket#18 – Spanning Tree Topology Change Flood: Root Guard Protects Core Switch [CCNP Enterprise]
Problem Summary A large enterprise network started experiencing random connectivity...
![Troubleshooting STP Flapping: Fix Network Instability with Confidence [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/07/Troubleshooting-STP-Flapping-Fix-Network-Instability-with-Confidence_networkjourney-1-1024x1024.png)
- July 8, 2025
- 0 Comments
Troubleshooting STP Flapping: Fix Network Instability with Confidence [CCNP Enterprise]
Today I want to walk you through a problem that...
![STP Root Bridge Election Explained: Priority, MAC & CLI Examples [2025]. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/STP-Root-Bridge-Election-Explained_Priority_MAC_CLI-Examples_networkjourney-1024x1024.png)
- July 1, 2025
- 0 Comments
STP Root Bridge Election Explained: Priority, MAC & CLI Examples [2025] [CCNP ENTERPRISE]
When I first started learning about Spanning Tree Protocol (STP),...
![STP vs RSTP vs MST: Full Comparison with Real Labs & CLI [2025] [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/STP-vs-RSTP-vs-MST_networkjourney-1-1024x1024.png)
- July 1, 2025
- 0 Comments
STP vs RSTP vs MST: Full Comparison with Real Labs & CLI [2025] [CCNP ENTERPRISE]
If you’ve ever sat in front of your topology wondering...