Network Design

Network Design

1. Hierarchical Networks

   • The Need to Scale the Network
     • Support critical applications
       • Support converged network traffic
         • Support diverse business needs
           • Provide centralized administrative control
   • Borderless Switched Networks
   • Hierarchy in the Borderless Switched Network
     • Hierarchical
     • Modularity
     • Resiliency
     • Flexibility
   • Access, Distribution, and Core Layer Functions
     • Access Layer
       • Distribution Layer
         • Core Layer
   • Three-Tier and Two-Tier Examples
   • Role of Switched Networks

2. Scalable Networks

   • Design for Scalability
     • Redundant Links
     • Multiple Links
     • Scalable Routing Protocol
     • Wireless Connectivity
   • Plan for Redundancy
   • Reduce Failure Domain Size
   • Increase Bandwidth
   • Expand the Access Layer
   • Tune Routing Protocols

3. Switch Hardware

   • Switch Platforms
     • Campus LAN Switches
     • Cloud-Managed Switches
     • Data Center Switches
     • Service Provider Switches
     • Virtual Networking
   • Switch Form Factors
     • Fixed configuration switches
       • Modular configuration switches
         • Stackable configuration switches
           • Thickness
   • Port Density
     • Cisco Catalyst 3850 Switches
       • Catalyst 9400 Switch
   • Forwarding Rates
   • Power over Ethernet
     • Switch
     • IP Phone
     • WAP
     • Cisco Catalyst 2960-C
   • Multilayer Switching
   • Business Considerations for Switch Selection
     • Cost
     • Port density
     • Power
     • Reliability
     • Port speed
     • Frame buffers
     • Scalability

4. Router Hardware

   • Router Requirements
   • Cisco Routers
     • Branch Routers
     • Network Edge Routers
     • Service Provider Routers
     • Industrial
   • Router Form Factors
     • Cisco 900 Series
     • Cisco ASR 9000 and 1000 Series Aggregation Services Routers
     • 5500 Series Routers
     • Cisco 800 Industrial