CCNA Explorer 3 LAN Design

Switched LAN Architecture

Hirarchical Network Design

Benefits of a Hirarchical Network

• Scalability
  • Hierarchical netowrk can be expanded easily
• Redundancy
  • Redundancy at the core and distribution level ensure path availability
• Performance
  • Link aggregation between levels and high-performance core and distribution level switches allow for near wire-speed throughout the network
• Security
  • Port security at the access level and policies at the distribution level make the network more secure
• Manageability
  • Consistency between switches at each level makes management more simple
• Maintainablity
  • The modularity af hierarchical design allows for the network to scale without becoming overly complicated

Network diameter

bandwith Aggregation