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Dell VxRail Network Planning Guide
Introduction Plan the VxRail network VxRail Cluster Types VxRail feature-driven decision points VxRail hardware and switch selection decision points Prepare the data center to implement VxRail Plan the VxRail cluster implementation
Plan the VxRail cluster implementation
Decide on VxRail single point of management
Decide on VxRail network traffic segmentation
Decide on teaming and failover policies for VxRail networks
Plan the VxRail logical network
IP address considerations for VxRail networks VLAN considerations for VxRail networks
Plan network settings for VxRail management components
Plan network settings for VMware vCenter Server management network
Identify IP addresses for VxRail management components
Select hostnames for VxRail management components
Select a top-level domain Select a hostname for VxRail Manager Select the ESXi hostnames Select a hostname for the VxRail-managed VMware vCenter Server
Identify external applications and settings for VxRail
Set the DNS for VxRail management components
Prepare the customer-managed VMware vCenter Server
Prepare a customer-managed virtual-distributed switch
Prepare LAG on a customer-managed virtual-distributed switch
Reserve IP addresses for VxRail-managed VMware vSphere vMotion network
Reserve IP addresses for VxRail vSAN network
Decide on VxRail logging solution
Assign passwords for VxRail management
Planning vSAN Witness Networking Planning VxRail Satellite Nodes Networking Configure the Network for VxRail Prepare to build the VxRail cluster VxRail network considerations after implementation Appendix A: VxRail Network Configuration Table Appendix B: VxRail Passwords Appendix C: VxRail cluster setup checklist Appendix D: VxRail Open Ports Requirements Appendix E: VMware VDS port group default settings Appendix F: Physical Network Switch Examples

Reserve IP addresses for VxRail-managed VMware vSphere vMotion network

Reserve IP addresses for VxRail-managed VMware vSphere vMotion network

  • An IP address is required for the VMware vSphere vMotion network for each ESXi host in the VxRail cluster.

    A private address range is acceptable if you decide the VMware vSphere vMotion network will not be routable. If your plans include the ability to migrate VMs outside of the VxRail cluster, consider it while selecting the IP address scheme.

    From VxRail 7.0.010 and later, you can choose to have the IP addresses assigned automatically during the VxRail initial build, or manually select the IP addresses for each ESXi host. If the VxRail version is earlier than 7.0.010, the auto-assignment method by VxRail is the only option. For the auto-assignment method, the IP addresses for VxRail initial build must be contiguous, with the specified range in a sequential order. The IP address range must be large enough to cover the number of ESXi hosts planned for the VxRail cluster. A larger IP address range can be specified to cover for planned expansion.

    If your plans include expanding the VxRail cluster to deploy nodes in more than one physical rack, you can either stretch the IP subnet for vMotion between the racks, or use routing services in your data center instead for a multi-rack cluster.

    For the IP address auto-assignment method, record the IP address range.
    Table 28. Record the IP address range for auto-assignment method
    Network configuration table Action
    Rows 48-49 Enter the starting and ending IP addresses for VMware vSphere vMotion.

    For the manual assignment method, record the IP addresses.

    Table 29. Record the IP addresses for the manual assignment method
    Network configuration table Action
    Rows 50-53 Enter the IP addresses for VMware vSphere vMotion.

    Enter the subnet mask and gateway. You can use the default gateway that is assigned to the VxRail External Management network, or enter a gateway that is dedicated for the VMware vSphere vMotion network.

    Table 30. Record the subnet mask and gateway
    Network configuration table Action
    Row 54 Enter the subnet mask for VMware vSphere vMotion.
    Row 55 Enter the gateway for VMware vSphere vMotion.