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Designing a Highly Available Campus Network


Overview/Description
Target Audience
Prerequisites
Expected Duration
Lesson Objectives
Course Number



Overview/Description
Providing high availability within a campus is essential for business success. Every second the network is down is costly. Your goal should be to provide adequate bandwidth, redundant devices, redundant connections, and redundant services, within a Campus and between Campuses. This course describes how you can implement high availability within the Campus using redundant links, port aggregation, VSS, stacking, and first hop redundancy protocols. It also describes what you need to consider when implementing Layer 3 within your design. To wrap up the course, focus is placed on what you need to keep in mind when you are interconnecting devices within a campus and between campuses to support resources.

Target Audience
This path is intended for anyone who is interested in developing the skills needed to successfully design networks that will support voice, video, and data communications.

Prerequisites
None

Expected Duration (hours)
1.5

Lesson Objectives

Designing a Highly Available Campus Network

  • start the course
  • describe managing bandwidth and oversubscription
  • compare port aggregation considerations
  • describe EtherChannel establishment
  • describe port aggregation considerations
  • describe VSS considerations
  • describe stacking considerations
  • describe first hop redundancy
  • describe HSRP and VRRP subsecond failover
  • describe HSRP and VRRP pre-empt delay
  • describe HSRP/VRRP load sharing
  • describe HSRP/VRRP tracking
  • describe the case for GLBP
  • describe the case against GLBP
  • describe the need for building triangles
  • describe redundant links
  • describe routing convergence
  • describe the need to limit peering across the access layer
  • describe how to summarize at the distribution layer
  • describe network requirements of applications
  • describe client-server traffic considerations
  • compare intrabuilding and interbuilding connectivity
  • describe transmission media considerations
  • implement transmission media
  • Course Number:
    cc_desn_a04_it_enus