CCDA 200-310 CAP03 Exploring Basic Campus and Data Center Network Design

CCDA 200-310 CAP03 Exploring Basic Campus and Data Center Network Design

1. Understanding Campus Design Considerations

   • Enterprise campus
     • Server Farm and Data Center
     • Campus Backbone
     • Building Distribution
     • Building Access
   • Enterprise campus design
     • Network application considerations
       • Peer-to-peer applications
       • Client/local server applications
       • Client/server farm applications
       • Client/enterprise edge server applications
     • Environmental considerations
       • Intrabuilding
       • Interbuilding
       • Remote Buildings
     • Transmission media
       • Twisted pair
       • Multimode fiber
       • Single-mode fiber
       • Wireless

2. Understanding the Campus Infrastructure Module

   • Building access best practices
     • Limit the scope of most VLANs
     • RPVST+
     • Trunk to desirable
     • Remove unneeded VLANs from trunks
     • (VTP) mode to transparent
     • EtherChannel mode to desirable
     • routing at the access layer
   • Building-distribution considerations
     • Distribution layer require wirespeed
     • Aggregation point for access layer switches
     • High-speed connectivity to campus core
     • Redundant connections to the campus core layer
     • Stateful Switchover (SSO) and Nonstop Forwarding (NSF)
     • High availability, quality of service (QoS), and policy enforcement
   • Campus core considerations
     • interconnecting three or more buildings
     • High-speed ports required to aggregate the building distribution layer.
     • least two switches Core
   • Server farm considerations
     • Determine server placement in the network
     • All server-to-server traffic should be kept within the server farm module
     • For large network designs, consider placing the servers in a separate data center
     • Consider using network interface cards (NIC) in servers that provide at least two ports
     • For security, place servers with similar access policies in the same VLANs
     • limit interconnections between servers in different policy domains using ACLs on the server farm’s multilayer switches.

3. Understanding Enterprise Data Center Considerations

   • Cisco enterprise data center architecture
     • Networked Infrastructure Layer
     • Interactive Services Layer
   • design best practices
     • Data center access layer design best practices
       • Layer 2 and Layer 3 connectivity
       • port density to meet server farm
       • Support both single-attached and dual-attached servers
       • RPVST+
     • Data center aggregation layer design best practices
       • advanced application and security options
       • hardware failover
       • Offer Layer 4 through 7 services, such as firewalling, server load balancing, Secure Sockets Layer (SSL) offloading, and IDS.
       • processor resources to accommodate a large STP processing load.
     • Data center core layer design best practices
       • Use the separate cores (that is, the campus core and the data center core) to create separate administrative domains and policies (for example, QoS policies and ACLs)