Appendix E: Virtual Distributed Switch Portgroup Default Settings

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Unless you configure an external distributed virtual switch in your external vCenter for the VxRail cluster, the VxRail initial build process configures one or two virtual-distributed switches on the selected vCenter instance using best practices for VxRail.

Default standard settings

For each VxRail network port group, VxRail initialization applies the following standard settings.

Setting	Value
Port Binding	Static
Port Allocation	Elastic
Number of ports	8
Network Resource Pool	(default)
Override port policies	Only ”Block ports” allowed
VLAN Type	VLAN
Promiscuous mode	Reject
MAC address changes	Reject
Forged transmits	Reject
Ingress traffic shaping	Disabled
Egress traffic shaping	Disabled
NetFlow	Disabled
Block All Ports	No

Default teaming and failover policy

VxRail initialization configures a teaming and failover policy for the port groups on the virtual-distributed switches. Overriding the default load-balancing policy is supported on VxRail.

Setting	Value
Load balancing (active-passive)	Route based on originating virtual port
Load balancing (active-active)	Route based on physical NIC load
Network failure detection	Link status only
Notify switches	Yes
Failback	Yes

Default network I-O control (NIOC)

VxRail will enable network I-O control on the virtual-distributed switches, and configure custom Network I-O Control (NIOC) settings for the following network traffic types. The settings depend on whether the VxRail cluster was deployed with either 2 Ethernet ports per node reserved for the VxRail cluster, or if 4 Ethernet ports were reserved for the VxRail cluster:

Traffic Type	NIOC Shares
Traffic Type	4 Ports	2 Ports
Management Traffic	40	20
vMotion Traffic	50	50
vSAN Traffic	100	100
Virtual Machine Traffic	60	30

The reservation value is set to zero for all network traffic types, with no limits set on bandwidth.

Default failover order policy

VxRail supports customizing the assignment of uplinks to VxRail networks, and also supports setting either an active/active or active/standby failover policy for the VxRail network port groups. The following tables contain the default active/standby settings that are applied for the four predefined network traffic types that are required for initialization: Management, VxRail Management, vCenter Server Network, vMotion, and vSAN.

4x10GbE Traffic Configuration

Traffic Type	Uplink1 VMNIC0	Uplink2 VMNIC1	Uplink3 VMNIC2	Uplink4 VMNIC3
Management	Standby	Active	Unused	Unused
vSphere vMotion	Unused	Unused	Standby	Active
vSAN	Unused	Unused	Active	Standby
vCenter Server Network	Active	Standby	Unused	Unused
VxRail Management	Standby	Active	Unused	Unused

2x10GbE or 2x25GbE Traffic Configuration

Traffic Type	Uplink1 VMNIC0	Uplink2 VMNIC1	Uplink3 No VMNIC	Uplink4 No VMNIC
Management	Active	Standby	Unused	Unused
vSphere vMotion	Active	Standby	Unused	Unused
vSAN	Standby	Active	Unused	Unused
vCenter Server Network	Active	Standby	Unused	Unused
VxRail Management	Active	Standby	Unused	Unused

4x25GbE Traffic Configuration

Traffic Type	Uplink1 VMNIC0	Uplink2 VMNIC1	Uplink3 VMNIC2	Uplink4 VMNIC3
Management	Active	Unused	Standby	Unused
vSphere vMotion	Unused	Standby	Unused	Active
vSAN	Unused	Active	Unused	Standby
vCenter Server Network	Standby	Unused	Active	Unused
VxRail Management	Active	Unused	Standby	Unused

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