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Dell VxRail Network Planning Guide
Introduction Plan the VxRail network
Plan the VxRail network
VxRail clusters and nodes
Network switch
VxRail relationship with the Ethernet switch VxRail node discovery and the Ethernet switch Basic switch requirements Switch performance considerations Storage network considerations Network redundancy and performance considerations
Data center network
Routing services
VxRail networking port options
VxRail Ethernet adapter options
VxRail FC adapter options
VxRail RoCE adapter options
VxRail DPU options
VxRail node connectivity options
VxRail networking rules and restrictions
Topology and connections
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 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

Data center network

Data center network

  • VxRail is dependent of specific data center services to implement the cluster and for day-to-day operations.

    The ToR switches must be configured to the upstream network to enable connectivity to these data center services, and to enable connectivity to the end-user community.

    Data center services

    Requirements and options for data center services include:

    • Domain Naming Services (DNS) is required to deploy the VxRail cluster and for ongoing operations. You can choose a DNS service internal to VxRail, or use a DNS service in your data center.
    • VxRail cluster requires synchronization of the clock settings on the various VxRail components to ensure proper operations. Dell Technologies recommends using a reliable global timing service for VxRail such as Network Time Protocol (NTP) for this purpose.
    • Syslog service is supported with VxRail, but is not required.
    • VxRail depends on VMware vCenter Server for cluster management and operations. You can use either the embedded VMware vCenter Server instance that is included with VxRail, or a customer-managed VMware vCenter Server instance in your data center.
    Figure 5. Connecting data center services with VxRail cluster. Connecting data center services with VxRail cluster
    Connecting data center services with VxRail cluster