Blog
EIGRP Neighbor Requirements: The 5 Things That Must Match
The 5 things that must match for EIGRP routers to become neighbors: subnet, AS number, K-values, authentication, and process membership. Plus what does NOT need to match.
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Per-VLAN Spanning Tree (PVST+ and Rapid-PVST+) Explained
Per-VLAN Spanning Tree explained: PVST+ vs Rapid-PVST+, the sys-id-ext Bridge ID trick, per-VLAN root placement for uplink load balancing, and when to move to MSTP.
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Lab auto-07 - Capstone: Automated Config Backup and Drift Detection
Every network has a network engineer who swears nothing changed, and a network that disagrees. This capstone builds the tool
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Lab auto-06 - Ansible for CCNA: Your First Playbook
Everything you have scripted so far in this series has been imperative: do this, then this, on these devices. Configuration
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Lab auto-05 - REST APIs Hands-On: Drive Your CML Controller
Exam topic 6.5 asks you to describe the characteristics of REST-based APIs: HTTP verbs, authentication, data encoding, response codes.
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