hierarchical network Design
Layer 3 Switches: How They Work, How to Configure Them, and When to Use Them
Understanding Layer 3 of the OSI model is essential for CCNA (200-301) and CCNP Enterprise study. This layer, the Network layer, handles logical addressing with IP and is responsible for path determination and packet forwarding between networks through devices like routers. Traditional routers perform that Layer 3 work in software, which is flexible but CPU-intensive...
Cisco Borderless Networks: Hierarchical Campus Design Explained
Cisco Borderless Networks is an architecture designed to enable secure, seamless connectivity for any user, device, or location, integrating wired and wireless access with unified policy and performance management. It’s built to address common enterprise IT challenges — mobility, security, and scalability — using Cisco Catalyst switches, ISR routers, and management tools like Cisco DNA...