01. Layer 2 Switching Foundations

• Implementing Switched LANs: Bridging concepts and operations
• Enterprise Switching: Layer 2 operations and packet forwarding
• The Ethernet Switching Table: Learning, aging, and flooding mechanisms
• Design Considerations: Optimizing performance in switched environments

02. VLAN Concepts & Inter-VLAN Routing

• VLAN Segmentation: Logical broadcast domains and port assignment
• Port Modes: Configuring Access and Trunk interfaces
• Specialized VLANs: Voice and Native VLAN concepts
• Inter-VLAN Routing: Configuring and monitoring Layer 3 routing between segments

03. Spanning Tree Protocols (STP/RSTP/MSTP)

• Loop Prevention: Identifying when Spanning Tree is required
• STP & RSTP Operations: Convergence, BPDUs, and Root Bridge election
• Advanced Protection: Loop Guard and Root Protection mechanisms
• Multiple Spanning Tree (MSTP): Configuration and monitoring for load balancing

04. Port Security & Device Defense

• Access Security: Implementing Port Security features and MAC limits
• Traffic Control: Configuring Storm Control to mitigate broadcast radiation
• EX Series Firewall Filters: Protecting the control and forwarding planes
• Monitoring: Verifying security features and filter effectiveness

05. Virtual Chassis & High Availability

• Virtual Chassis: Concepts, components, and stacking architecture
• Operational Details: Primary and Backup member roles
• Implementation: Verification and management of a unified switch fabric
• High Availability (HA): Configuring features for enterprise-grade uptime