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VMware VirtualCenter 1.4.x Support Documentation


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VirtualCenter Networking Requirements

VirtualCenter managed host and virtual machine networking requirements are as follows:

  • Virtual machines
  • Up to four virtual Ethernet NICs. Each virtual NIC may be a high-performance VMware virtual NIC or an AMD PCnet-PCI II-compatible virtual NIC.
  • Support any protocol that the guest operating system supports over the Ethernet. Multiple high-performance, Ethernet-compatible virtual networks.
  • VirtualCenter ESX Server managed host
  • Configure a TCP/IP address on an extra network adapter card (NIC) sufficient to support migration.
  • The minimum number of NICs is two; how the NICs are assigned differs depending upon the version of the VMware virtualization platform being used. One NIC is dedicated to migration activity.

    The preferred number is three: one is dedicated to the managed host, one (or more) are dedicated to the virtual machines, and one is dedicated to VMotion activity.

    The figure below illustrates the possible NIC configurations that support VirtualCenter. Refer to Abbreviations for a description of abbreviations.

    Link to niccards.png

    VMotion Network Card Configuration Options

    Depending upon the version of ESX Server you are using, configure your networking as follows:

    If you are using ESX Server 2.1 or later:

    1. Create a bond including both NICs.

    2. Give the bond to all three entities (service console, VMkernel, and virtual machines).

    3. Use VLANs to create separate logical networks.

    If you are using ESX Server 2.0.1:

    1. Configure one NIC for the virtual machines.

    2. Configure one NIC to be shared between the service console and the VMotion networks.

    Refer to your ESX Server System Administration Guide for additional information on sharing NICs between vmkernel and the service console.

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