- Notes, cautions, and warnings
- Revision history
- Introduction
- VxRail network planning overview
- Plan the VxRail network
- VxRail cluster types
- VxRail hardware and switch selection decision points
- Prepare the data center to implement VxRail
- Decide on an IP address scheme
- Prepare external network connectivity for VxRail
- Prepare service connectivity for VxRail
- Prepare for VMware vSphere+ subscription licensing
- Prepare data center routing services
- Prepare for multirack VxRail cluster
- Prepare for VMware vSAN HCI mesh topology
- Prepare external FC storage for dynamic clusters
- Prepare for VxRail custom uplink assignments
- Prepare data center network MTU
- Prepare for LAG of VxRail networks
- Plan LAG on switch port pairs
- Prepare certificate authority server for VxRail
- Identify isolation IP addresses for VMware vSphere High Availability
- 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
- 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
- Identify external applications and settings for VxRail
- Prepare the customer-managed VMware vCenter Server
- Prepare a customer-managed VMware VDS
- Reserve IP addresses for VxRail-managed VMware vSphere vMotion network
- Reserve IPv4/IPv6 addresses for VxRail vSAN network
- Decide on VxRail logging solution
- Assign passwords for VxRail management
- Plan VMware vSAN witness networking
- Plan networking for VxRail Satellite Nodes
- 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
- Pre-defined network profile: 2x10gb or 2x25gb from a single NDC/OCP
- Predefined network profile: 4x10gb or 4x25gb NDC/OCP
- Predefined network profile: 2 x 10/25 GB NDC/OCP and 2 x 10/25 GB PCIe
- Custom option: Any NDC/OCP ports paired with PCIe ports
- Custom option: Two NDC/OCP ports paired with PCIe ports other than the first slot
- Custom option: PCIe ports only
- Custom option: Six ports
- Custom option: Eight ports
- Custom option: Eight ports connected to four Ethernet switches
Dell VxRail Network Planning Guide
Configure VLANs for the VxRail networks
Prerequisites
Configure the VLANs on the switches depending on the VxRail version being deployed. The VLANs are assigned to the switch ports as a later task.
- VxRail External Management VLAN (default is untagged/native).
- VxRail VMware vCenter Server Management VLAN (if different from VxRail External Management VLAN).
- VxRail Internal Management VLAN: Ensure that multicast is enabled on this VLAN. This is not required if you are going to use manual node discovery instead of automatic node discovery.
- VMware vSAN VLAN: In cases where VMware vSAN is the primary storage resource. Ensure that unicast is enabled. This is not required for VxRail dynamic clusters.
- VMware vSphere vMotion VLAN
- VM Networks VLAN: It can be configured after VxRail initial deployment.
- The additional VxRail Witness traffic separation VLAN to manage traffic between the VxRail cluster and the witness. This is required only if you are deploying a VxRail stretched cluster or 2-node cluster.
About this task
Using Appendix A: VxRail Network Configuration Table, perform the following steps:
Steps
- Configure the External Management VLAN (Row 1) on the switches. If you entered Native VLAN, set the ports on the switch to accept untagged traffic and tag it to the native management VLAN ID. Untagged management traffic is the default management VLAN setting on VxRail.
- For VxRail 4.7.x and later, configure the Internal Management VLAN (Row 2) on the switches.
- Allow multicast on the Internal Management network to support device discovery.
- Configure a VMware vSphere vMotion VLAN (Row 3) on the switches.
- Configure a VMware vSAN VLAN (Row 4) on the switches. Unicast is required for VxRail clusters built with VxRail 4.5.x and later.
- Configure the VLANs for your VM Networks (Rows 6) on the switches. These networks can be added after the cluster initial build is complete.
- If you choose to create a separate subnet for the vCenter Server Network, configure the vCenter Server Network VLAN (Row 7), configure the VLAN on the switches.
- Configure the optional VxRail WTS VLAN (Row 69) on the switches ports if required.
- Configure the switch uplinks to allow the External Management VLAN (Row 1) and VM Network VLANs (Row 6) to pass through, and optionally the vSphere vMotion VLAN (Row 3), vSAN VLAN (Row 4) and vCenter Server Network VLAN (Row 7). If a vSAN witness is required for the VxRail cluster, include the VxRail Witness Traffic Separation VLAN (Row 69) on the uplinks.
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