2V0-620 · Question #105
Which two actions are prerequisites to adding ESXi 6.x hosts to a vSphere Distributed Switch? (Choose two.)
The correct answer is A. Verify that there is at least one Distributed Port Group on the Distributed Switch. B. Verify that the Distributed Port Group have active uplinks configured in its teaming and failover. Before adding ESXi 6.x hosts to a vSphere Distributed Switch, the switch must have at least one Distributed Port Group and that port group must have active uplinks defined in its teaming and failover policy.
Question
Which two actions are prerequisites to adding ESXi 6.x hosts to a vSphere Distributed Switch? (Choose two.)
Options
- AVerify that there is at least one Distributed Port Group on the Distributed Switch.
- BVerify that the Distributed Port Group have active uplinks configured in its teaming and failover
- CVerify that the Distributed Switch has been configured with a Network Profile.
- DVerify that Network I/O control for Management Traffic is configured for the highest share value.
How the community answered
(45 responses)- A87% (39)
- C4% (2)
- D9% (4)
Why each option
Before adding ESXi 6.x hosts to a vSphere Distributed Switch, the switch must have at least one Distributed Port Group and that port group must have active uplinks defined in its teaming and failover policy.
A Distributed Port Group must exist on the vDS before hosts can be added because port groups define the network connectivity settings - VLAN, security, and traffic shaping - that the host's virtual NICs will connect to, and the wizard requires at least one to complete the host-add operation.
Active uplinks must be configured in the Distributed Port Group's teaming and failover policy so that physical NICs on the incoming host can be assigned and carry traffic; without active uplinks, the host would have no functional network path through the vDS.
A Network Profile is associated with Auto Deploy for stateless host provisioning and is not a prerequisite for manually adding hosts to a vDS.
Network I/O Control share values for Management Traffic are an optional bandwidth governance feature and are not required before adding hosts to a Distributed Switch.
Concept tested: vSphere Distributed Switch host addition prerequisites
Source: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.networking.doc/GUID-E8E5B4A7-ADBB-42BF-84A9-A61B81F01C88.html
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