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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 Prepare the Data Center for VxRail Implementation
Introduction
Prepare data center routing services
Prepare for multirack VxRail cluster
Prepare for vSAN HCI mesh topology
Prepare external FC storage for dynamic clusters
Prepare for VxRail custom uplink assignments
Prepare data center network MTU
Prepare for link aggregation of VxRail networks
Plan link aggregation on switch port pairs
Prepare certificate authority server for VxRail
Prepare VxRail remote support connectivity
Planning the VxRail Cluster Implementation Planning for VxRail Satellite Nodes Configure the Network for VxRail Configure the Network for VxRail VxRail Network Considerations After Implementation VxRail Network Configuration Table VxRail Passwords VxRail Cluster Setup Checklist VxRail Open Ports Requirements Virtual Distributed Switch Port Group Default Settings Physical Network Switch Examples

Prepare data center network MTU

Prepare data center network MTU

  • At the time of initial cluster build, you can choose the MTU size to assign to the virtual-distributed switches. Doing so enables you to configure the switch ports supporting the VxRail cluster to match the MTU setting on the virtual-distributed switches. It reduces the potential for network fragmentation.

    You can choose to run the VxRail cluster at the default MTU size of 1500, or if your network supports it, choose a larger MTU. If your data center network supports jumbo frames, Dell Technologies recommends configuring the MTU size at 9000. A resource-intense network such as vSAN is better suited for a network that is configured with jumbo frames.