- 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 LAG
LAG is supported for the VxRail initial implementation process under the following conditions:
- The nodes are running on VxRail 7.0.130 or earlier.
- LAG is applied only to non-management VxRail networks.
- VxRail is deployed with customer-supplied VMware VDS.
If these conditions are not applicable, do not enable LAG or protocols such as LACP and Ether Channel on any switch ports that are connected to VxRail node ports before initial implementation. Doing so results in VxRail initial implementation to fail. When the initial implementation process completes, you can configure LAG on the operational VxRail cluster, as described in the section Configure LAG on VxRail networks.
If your plans meet these conditions for supporting LAG during the VxRail initial implementation process, then perform these action items before starting:
- For data center networks with more than one switch that is planned to support the VxRail cluster, configure VLT between the switches.
- Configure a port channel on each switch for each VxRail node.
- Configure the VLAN or VLANs targeted for LAG in each port channel.
- If your plan to implement a VxRail-supplied VMware VDS, configure the port channel so that the Ethernet ports are active before a LAG partnership is formed. This feature is known as LACP individual on Dell switches, but may be described differently with switches from other vendors.
- Depending on your switch operating system, other network characteristics, such as MTU setting and spanning tree protocol settings, can be configured in a port channel. These settings transfer to the switch port when LAG is active. Configure these additional network settings in the port channel according to guidance provided by your switch vendor.
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