1. Mac Address Vendor Lookup
2. Mac Address Example
3. Microsoft Hyper-v Mac Address Range 2016

This article provides information about System Center - Virtual Machine Manager (VMM) default MAC addresses, and describes how to create and manage a custom MAC address pool.

Hyper-V hosts can also be configured using either the Hyper-V Manager snap-in or Windows PowerShell cmdlets. To view the configuration of a host using the Hyper-V Manager snap-in, right-click on the host in the console tree and select Hyper-V Settings to display the Hyper-V Settings dialog box shown in the screen shots in this section. Feb 16, 2018  We have an environment with 6 Hyper-V hosts all managed by VMM. Over the last few days I've been upgrading them (scratch rebuild) from 2012R2 to 2016 Hyper-V. Somehow, 2 of our hosts created the same MAC Address pools which I believe is causing network connectivity issues between VMs on those 2 hosts. Oct 14, 2015 Hyper-V dynamic MAC addressing is a cluster. There - I said it. Microsoft has been making great strides with Hyper-V by adding new features and functionality. If you compare Hyper-V on Server 2012 R2 to VMware 5.5, most people would agree that Hyper-V is 'good enough' and has most of the features that the majority of businesses require. What I need to know is what range of MAC addresses can I use without fear that one day some device may be connected to our network with that MAC? I have read the Wikipedia article on MAC addresses and this section seems to indicate that if I create an address with the form 02-XX-XX-XX-XX-XX then it is considered a locally administered address.

VMM uses static MAC address pools to automatically generate and assign MAC address to VMs. This article describes default MAC address pools in the VMM fabric and explains how to create custom pools.

Default MAC address pool settings:

Oct 22, 2008 A MAC address has two parts to it, the OEM identifier and the unique value. To provide MAC addresses, Microsoft had to register to obtain its own identifier (00-15-5d), so all Hyper-V MAC address ranges start with these three octets.

Before you start

Before you create a custom MAC pool note that:

• If you want to divide one of the default pools into smaller custom pools, you must first delete the default MAC address pool or the default VMware MAC address pool. You must delete the default pool to avoid duplicate MAC address assignments.
• The first three octets of the beginning and ending MAC address must be the same.
• You must enter a valid hexadecimal values between 00 and FF.
• The ranges that you specify cannot overlap.
• The address range must not have the multi-cast bit set to 1. For example, you cannot use addresses that start with X1, X3, X5, X7, X9, XB, XD, or XF, where X is any value.
• To avoid conflicts with addresses reserved by Microsoft, VMware, and Citrix, do not use the following prefixes:
  • Reserved for Microsoft: 00:03:FF; 00:0D:3A; 00:12:5A; 00:15:5D; 00:17:FA; 00:50:F2; 00:1D:D8 (except for the 00:1D:D8:B7:1C:00 – 00:1D:D8:F4:1F:FF range that is reserved for VMM)
  • Reserved for VMware: 00:05:69; 00:0C:29; 00:1C:14; 00:50:56 (except for the 00:50:56:00:00:00 – 00:50:56:3F:FF:FF range that is the reserved as the default VMware static range)

Create a custom pool

1. Click Fabric > Networking > MAC Address Pools > Home > Show > Fabric Resources > Create > Create MAC Pool.
2. In Create MAC Address Pool Wizard > Name and Host Group specify a name and description. In Host Group select the host groups that should use the pool.
3. In MAC Address Range specify the start and end addresses.
4. In Summary review the settings and click Finish. When the job shows as Completed verify pool in MAC Pools.

Release IP addresses

In some circumstances you might want to remove addresses from the MAC pool. For example if a host that was assigned an IP address during bare metal deployment is removed from VMM management, or if a VM goes into a missing state because it was removed outside VMM.

1. Click Fabric > Networking > MAC Address Pools > Home > Show > Fabric Resources.
2. In MAC Pools click the pool you want to modify > Properties.
3. In Inactive addresses select the addresses you want to release.

Next steps

Learn about creating an IP address pool.

Syntax

Description

The Set-VMHost cmdlet configures a Hyper-V host.

Examples

Example 1

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This example configures the local Hyper-V host to allow 10 simultaneous live migrations and storage migrations.

Example 2

This example configures a range of MAC addresses range for the local Hyper-V host.

Example 3

This example enables the use of any network for incoming live migrations on the local Hyper-V host.

Example 4

This example specifies new default locations for virtual hard disksand virtual machines on the local Hyper-V host.

Example 5

This example configures Fibre Channel host settings on the local Hyper-V host.

Example 6

This example disables NUMA spanning on the local Hyper-V host.

Example 7

This example configures the local Hyper-V host to save data that tracks resource consumption every hour and a half.

Example 8

The example configures the local Hyper-V host to use Kerberos to authenticate incoming live migrations.

Parameters

Runs the cmdlet in a remote session or on a remote computer.Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet.The default is the current session on the local computer.

Specifies one or more Hyper-V hosts on which this cmdlet operates.NetBIOS names, IP addresses, and fully qualified domain names are allowable.The default is the local computer.Use localhost or a dot (.) to specify the local computer explicitly.

Prompts you for confirmation before running the cmdlet.

Specifies one or more user accounts that have permission to perform this action.The default is the current user.

Indicates whether users can use enhanced mode when they connect to virtual machines on this server by using Virtual Machine Connection.

Specifies the default value of the World Wide Node Name on the Hyper-V host.

Specifies the maximum value that can be used to generate World Wide Port Names on the Hyper-V host.Use with the FibreChannelWwpnMinimum parameter to establish a range of WWPNs that the specified Hyper-V host can assign to virtual Fibre Channel adapters.

Specifies the minimum value that can be used to generate the World Wide Port Names on the Hyper-V host.Use with the FibreChannelWwpnMaximum parameter to establish a range of WWPNs that the specified Hyper-V host can assign to virtual Fibre Channel adapters.

Specifies the maximum MAC address using a valid hexadecimal value.Use with the MacAddressMinimum parameter to establish a range of MAC addresses that the specified Hyper-V host can assign to virtual machines configured to receive dynamic MAC addresses.

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Mac Address Vendor Lookup

Specifies the minimum MAC address using a valid hexadecimal value.Use with the MacAddressMaximum parameter to establish a range of MAC addresses that the specified Hyper-V host can assign to virtual machines configured to receive dynamic MAC addresses.

Specifies the maximum number of storage migrations that can be performed at the same time on the Hyper-V host.

Mac Address Example

Specifies the maximum number of live migrations that can be performed at the same time on the Hyper-V host.

Specifies whether virtual machines on the Hyper-V host can use resources from more than one NUMA node.

Specifies that a Microsoft.HyperV.PowerShell.Host is to be passed through to the pipeline representing the Hyper-V host to be configured.

Specifies how often the Hyper-V host saves the data that tracks resource usage.The range is a minimum of 1 hour to a maximum of 24 hours.Time within that range can be specified using a format of hh:mm:ss, where hh indicates hours, mm indicates minutes, and ss indicates seconds.You also can use a Timespan object to specify the interval.

Specifies how networks are selected for incoming live migration traffic.If set to $True, any available network on the host can be used for this traffic.If set to $False, incoming live migration traffic is transmitted only on the networks specified in the MigrationNetworks property of the host.The Get-VMMigrationNetwork cmdlet returns the list of networks that can be used for migration traffic.

Specifies the default folder to store virtual hard disks on the Hyper-V host.

Specifies the type of authentication to be used for live migrations.The acceptable values for this parameter are: Kerberos and CredSSP.

Specifies the performance option to use for live migration.The acceptable values for this parameter are:

• Compression.Compress data to speed up live migration on constrained networks.
• SMBTransport.Use server message block (SMB) to get the highest throughput possible.
• None.Perform standard live migration.

Specifies the default folder to store virtual machine configuration files on the Hyper-V host.

Shows what would happen if the cmdlet runs.The cmdlet is not run.

Outputs

None

Default

Microsoft.HyperV.PowerShell.VMHost

Microsoft Hyper-v Mac Address Range 2016

If -PassThru is specified.