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Dell VxRail Architecture Overview



Although VMware supports using a VLAN other than VMware vSAN VLAN for Witness Traffic Separation (WTS), VxRail requires the WTS network to use its own VLAN. This layout is specific to the VxRail 2-node cluster with VMware vSAN.

The following table outlines the network layout that VxRail uses in the configuration of a 2-node cluster:

Table 1. Network layout for VxRail 2-node clusters with VMware vSANNetwork layout for VMware vSAN 2-node clusters
Traffic Requirements Members NIOC shares UPLINK1 UPLINK2 UPLINK3 UPLINK4
Management network Same VLAN as the VMware vCenter Server network. ESXi vmk2 40 Standby Active Unused Unused
VMware vCenter Server network Same VLAN as the management network VMware vCenter Server, VxRail Manager, vNIC0 N/A N/A N/A Unused Unused
VxRail Management VLAN 3939.

Cannot change the physical port.

VMware ESXi vmk0, VxRail Manager, vNIC1 (new) N/A Standby Active Unused Unused
Witness traffic ESXi vmk5 Active Standby
VMware vSAN N/A ESXi vmk3 100 Unused Unused Active Standby
VMware vSphere vMotion N/A ESXi vmk4 50 Unused Unused Standby Active
VMs N/A VMs 60 Active Standby Unused Unused

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