Lesson 4: Implementing and Operating Cisco Data Center Core Technologies – Troubleshooting, Performance, and Design Validation

This lesson provides guided coverage of troubleshooting, performance, and design validation within the Implementing and Operating Cisco Data Center Core Technologies (DCCOR) 1.4 Training.

Topics Covered

• Endpoint, policy, contract, routing, switching, overlay, and underlay failures
• Packet flow, fault records, events, logs, counters, and diagnostic tools
• Storage, compute, virtualization, application, and service connectivity issues
• Performance, congestion, latency, capacity, and resource optimization
• Design validation, migration, change windows, rollback, and recovery
• Root-cause documentation, support evidence, and handover
• End-to-end data center troubleshooting capstone

Practical Outcome

Learners complete the lesson with a clear understanding of the workflow, the ability to validate the expected result, and a structured approach to common troubleshooting tasks.