2V0-620 · Question #179
An administrator is virtualizing a physical application server and adding it to an existing multi- tiered vApp. The application license is currently tied to the physical NIC's MAC address, so the…
The correct answer is A. Set the MAC address for the vNIC in the guest operating system. C. Configure the MAC address for the vNIC using the vSphere Web Client. A VM's virtual NIC MAC address can be statically defined either within the guest OS network settings or through the vSphere Web Client VM configuration to preserve the original physical NIC's MAC address for application licensing.
Question
An administrator is virtualizing a physical application server and adding it to an existing multi- tiered vApp. The application license is currently tied to the physical NIC's MAC address, so the administrator needs to ensure the license will function properly in the virtual machine. Which two actions can the administrator take to satisfy this task? (Choose two.)
Options
- ASet the MAC address for the vNIC in the guest operating system.
- BInstall the physical server's NIC into the ESXi host.
- CConfigure the MAC address for the vNIC using the vSphere Web Client.
- DAssign the physical server NIC's MAC address in the vSphere Distributed Switch.
How the community answered
(44 responses)- A77% (34)
- B9% (4)
- D14% (6)
Why each option
A VM's virtual NIC MAC address can be statically defined either within the guest OS network settings or through the vSphere Web Client VM configuration to preserve the original physical NIC's MAC address for application licensing.
The guest OS network adapter configuration allows an administrator to manually specify a static MAC address, overriding the hypervisor-assigned address so the application license sees the original physical NIC's MAC.
Installing the physical NIC into the ESXi host adds it as a physical uplink for network traffic, but it does not cause any VM's virtual NIC to inherit or present that NIC's MAC address to the guest OS.
The vSphere Web Client exposes a custom MAC address field in the virtual NIC properties of a VM, allowing the administrator to enter the exact MAC address from the physical server's NIC so the license validation succeeds.
MAC addresses are properties of individual VM virtual network adapters and cannot be assigned or configured at the vSphere Distributed Switch level; the VDS has no mechanism to set a per-VM vNIC MAC address.
Concept tested: Configuring a static MAC address on a VM virtual NIC
Source: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.networking.doc/GUID-DC8C3E48-15FF-4A9B-89D5-1B6A56F36A43.html
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