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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

Plan the VxRail logical network

Plan the VxRail logical network

  • The physical connections between the ports on your network switches and the NICs on the VxRail nodes enable communications for the virtual infrastructure within the VxRail cluster.

    The virtual infrastructure within the VxRail cluster uses the VMware VDS to enable communication within the cluster, and out to IT management and the application user community.

    Figure 54. VxRail Logical Network Topology. VxRail Logical Network Topology
    VxRail Logical Network Topology

    VxRail has predefined logical networks to manage and control traffic within and outside of the cluster. Make VxRail logical networks accessible to the outside community. For instance, connectivity to the VxRail management system is required by IT management. VxRail networks must be configured for end-users and application owners who need to access their applications and virtual machines running in the VxRail cluster.

    A network to support I/O to the VMware vSAN datastore is required unless you plan to use FC storage as the primary storage resource with a dynamic cluster. Configure a network to support VMware vSphere vMotion, which is used to dynamically migrate virtual machines between VxRail nodes to balance workload. You also need an internal management network by VxRail for device discovery. You can skip the internal management network if you plan to use manual device discovery. All PowerEdge servers that serve as the foundation for VxRail nodes include a separate Ethernet port that enables OOB connectivity to the platform to perform hardware-based maintenance and troubleshooting tasks.

    A separate network to support management access to the PowerEdge servers is recommended, but not required.