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300-620 · Question #98

An administrator must migrate the vSphere Management VMkernel of all ESXi hosts in the production cluster from the standard default virtual switch to a VDS that is integrated with APIC in a VMM…

The correct answer is A. The Management VMkernel EPG resolution must be set to Pre-Provosion. To safely migrate a vSphere Management VMkernel to an APIC-integrated VDS, the associated EPG's resolution immediacy must be set to Pre-Provision to ensure the port group is ready on the VDS before the migration.

Integrations

Question

An administrator must migrate the vSphere Management VMkernel of all ESXi hosts in the production cluster from the standard default virtual switch to a VDS that is integrated with APIC in a VMM domain. Which action must be completed in this scenario?

Options

  • AThe Management VMkernel EPG resolution must be set to Pre-Provosion.
  • BThe administrator must create an in-band VMM Management EPG before performing the
  • CThe administrator must set the Management VMkernel BD resolution immediacy to On-Demand.
  • DThe VMkernel Management BD must be located under the Management Tenant.

How the community answered

(24 responses)
  • A
    67% (16)
  • B
    4% (1)
  • C
    21% (5)
  • D
    8% (2)

Why each option

To safely migrate a vSphere Management VMkernel to an APIC-integrated VDS, the associated EPG's resolution immediacy must be set to Pre-Provision to ensure the port group is ready on the VDS before the migration.

AThe Management VMkernel EPG resolution must be set to Pre-Provosion.Correct

When migrating a critical VMkernel interface like the vSphere Management VMkernel, it is essential that the corresponding port group on the APIC-integrated VDS is pre-provisioned and ready before the migration occurs. Setting the EPG's resolution immediacy to `Pre-Provision` ensures that the port group is immediately pushed to the VDS, guaranteeing its availability and preventing a loss of connectivity during the transition from the standard switch.

BThe administrator must create an in-band VMM Management EPG before performing the

While a management EPG is necessary, the term "in-band VMM Management EPG" is imprecise, and simply creating it does not address the crucial timing of port group provisioning required for a safe migration.

CThe administrator must set the Management VMkernel BD resolution immediacy to On-Demand.

Setting the resolution immediacy to `On-Demand` would cause the port group to be provisioned only when a virtual machine connects, which would result in a loss of connectivity for the management VMkernel during the migration as the port group would not be immediately available.

DThe VMkernel Management BD must be located under the Management Tenant.

Placing the Bridge Domain (BD) under a `Management Tenant` is a best practice for organizational purposes but is not a technical requirement that directly enables the successful migration of the management VMkernel to the APIC-integrated VDS.

Concept tested: ACI EPG resolution immediacy for VMkernel interfaces

Source: https://www.cisco.com/c/en/us/td/docs/dcn/aci/apic/5x/vmm/cisco-aci-virtual-machine-manager-integration-guide-501/m-vmm-integration-guide-501_chapter_010.html

Topics

#VMM integration#ESXi VMkernel#EPG resolution immediacy#Management network

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