Objective 2.1: Compare and Contrast the Benefits of Running VMware NSX on Physical Network Fabrics

You need to be able to recognize how your physical network works, and determine if NSX can be of benefit to the organization.

  • Understanding of the following:
    • Leaf Spine
    • Problems solved by such
      • Scalability
      • STP
      • VLAN spread
      • L2/L3 Spine – Leaf L2
      • L3 Spine – Leaf L2/L3
    • 3 Tier design
    • 2 Tier design
    • North South Traffic flow
    • East West Traffic flow
    • Layer 2 Layer 3 boundaries in your network
    • NSX Design Guide Chapter 5

 

  • Layer2 and Multi-Tier Challenges
    • Broadcast Domains
    • ARP domain
    • MAC table size
    • where do vlans exist in spine leaf
    • Continue to review chapter 5

 

  • Multi-Tier topologies, challenges
    • Consider E-W traffic, bandwidth demands
    • consider FT, if a leaf or spine fails, how much bandwidth is lost

 

  • Qos
    • Where is QoS being set and where does it need to be trusted
  • Single/multiple dvSwitch
    • single per cluster
    • single over multiple clusters
    • multiple dvSwitches spanning multi cluster
  • NSX Edge HA/ScaleOut
    • what happens with IP at failover
    • what impact of L2 presentation across edge racks
    • Equal cost multipathing ecmp
  • Separate/Collapsed vSphere Cluster
    • Consider why you may run separated clusters for compute and edge
  • L3 and Converged Infra
    • Where would VLAN presentation be with Edge HA
    • What if compute and edge were converged?
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