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Dell VxRail Network Planning Guide
Introduction Planning Your Data Center Network for VxRail VxRail Cluster Types VxRail Feature-Driven Decision Points VxRail Hardware and Switch Selection Decision Points Preparing Data Center for VxRail Implementation Planning the VxRail Cluster Implementation Planning for VxRail Satellite Nodes Configuring the Network for VxRail Preparing to Build the VxRail Cluster VxRail Network Considerations After Implementation
Introduction
Using unassigned physical ports for VxRail networks
Configure link aggregation on VxRail networks
Appendix A: VxRail Network Configuration Table
Appendix B: VxRail Passwords
Appendix C: VxRail Cluster Setup Checklist
Appendix D: VxRail Open Ports Requirements
Appendix E: Virtual Distributed Switch Port Group Default Settings
Appendix F: Physical Network Switch Examples

Using unassigned physical ports for VxRail networks

Using unassigned physical ports for VxRail networks

  • You can configure the ports on the optional PCIe adapter cards to support VxRail network traffic. Unless you are deploying the VxRail cluster to a customer-supplied virtual-distributed switch, this configuration is only supported as a post-deployment activity.

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    Figure 62.    VxRail node with NDC/OCP ports and ports from optional PCIe adapter card

    Network redundancy across NDC/OCP and PCIe Ethernet ports can be enabled by reconfiguring the VxRail networks and migrating selected VxRail network traffic from the original NDC/OCP-based ports over to PCIe-based ports.

    Table 3.      The following table describes the supported starting and ending network reconfigurations.

    Starting configuration

    Ending configuration

    2 NDC/OCP ports

    1 NDC/OCP port and 1 PCIe port

    2 NDC/OCP Ports

    2 NDC/OCP ports and 2 PCIe ports

    4 NDC/OCP Ports

    2 NDC/OCP ports and 2 PCIe ports

    4 NDC/OCP Ports

    1 NDC/OCP port and 1 PCIe port

    The following rules apply for migrating VxRail networks from NDC/OCP-only ports to mixed NDC/OCP-PCIe ports:

    • The VxRail version on your cluster is 7.0.010 or later.
    • The first port configured for VxRail networking, commonly known as vmnic0 or vmnic1, must be reserved for VxRail management and node discovery. Do not migrate VxRail management or node discovery off this first reserved port.
    • The switch ports enabling connectivity to the PCIe-based ports are properly configured to support VxRail network traffic.
    • All the network ports supporting VxRail network traffic must be running the same speed.
    • The network reconfiguration requires a one-to-one swap. For example, a VxRail network that is running on two NDC/OCP ports can be reconfigured to run on one NDC/OCP port and one PCIe port.

    Note: You must follow the official instructions and procedures from VMware and Dell for these operations.

    The supported operations include:

    • Create a vSphere Standard Switch (VSS), and connect unused ports to the VSS.
    • Connect unused ports to new port groups on the default vSphere Distributed Switch.
    • Create a vSphere Distributed Switch (VDS), add VxRail nodes to the new VDS, and connect the nodes’ unused network ports to the VDS.
    • Create VMkernel adapters and enable services of IP Storage and vSphere Replication.
    • Create VM Networks and assign them to new port groups.

    The following operations are unsupported in versions earlier than VxRail 7.0.010:

    • Migrating or moving VxRail system traffic to the optional ports. VxRail system traffic includes the management, vSAN, vCenter Server, and vMotion Networks
    • Migrating VxRail system traffic to other port groups
    • Migrating VxRail system traffic to another VDS

    Note: Performing any unsupported operations will impact the stability and operations of the VxRail cluster and may cause a failure in the VxRail cluster.