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Cisco Data Center Virtual Machine Fabric Extender (VM-FEX)

One Infrastructure Supports Different Network Traffic Types

Cisco Virtual Machine Fabric Extender (VM-FEX) collapses virtual and physical networking into a single infrastructure. Data center administrators can now provision, configure, manage, monitor, and diagnose virtual machine network traffic and bare metal network traffic within a unified infrastructure.

The VM-FEX software extends Cisco fabric extender technology to the virtual machine with the following capabilities:

  • Each virtual machine includes a dedicated interface on the parent switch
  • All virtual machine traffic is sent directly to the dedicated interface on the switch
  • The software-based switch in the hypervisor is eliminated
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Cisco VM-FEX technology collapses virtual switching infrastructure and physical switching infrastructure into a single, easy-to-manage environment. Benefits include:

  • Simplified operations: Eliminates the need for a separate, virtual networking infrastructure
  • Improved network security: Contains VLAN proliferation
  • Optimized network utilization: Reduces broadcast domains
  • Enhanced application performance: Offloads virtual machine switching from host CPU to parent switch application-specific integrated circuits (ASICs)

VM-FEX is supported on Red Hat Kernel-based Virtual Machine (KVM) and VMware ESX hypervisors. Live migration and vMotion are also supported with VM-FEX.

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