Real World Cisco UCS Adapter Placement


I had the opportunity recently to deploy 18 B420 M3 blades across two sites.  Having only deployed half width blades over the last two years, I had to change my usual Service Profile configuration for ESXi hosts to ensure the vNICs and vHBAs were properly spread across the two VICs installed in each blade.  Each B420 had a VIC 1240 and a VIC1280.  The Service Profile for the blades includes six vNICs and two vHBAs.  The six vNICs were used to take advantage of QoS policies at the UCS-level.  The six vNICs configured included:

  • vNIC FabA-mgmt
  • vNIC FabA-vMotion
  • vNIC FabA-VM-Traffic
  • vNIC FabB-mgmt
  • vNIC FabB-vMotion
  • vNIC FabB-VM-Traffic

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