Menu
Maintaining and Changing the MAC Address of a Virtual Machine When a virtual machine is powered on, VMware Workstation automatically assigns each of its virtual network adapters an Ethernet MAC address. MAC stands for media access control. A MAC address is the unique address assigned to each Ethernet network device. Yes, the MAC address ranges that are used by virtual machines all over the world are reused. However, MAC addresses only need to be unique on the local layer 2 network. Anything on the other side of a router doesn't know or care what your local MAC addresses are. By default, static MAC addresses have the VMware Organizationally Unique Identifier (OUI) as the prefix. However, the range of free address provided by the VMware OUI is restricted. If you decide to use the VMware OUI, part of the range is reserved for use by vCenter Server, host.
In most network deployments, generated MAC addresses are a good approach. However, you might need to set a static MAC address for a virtual machine adapter with unique value.
The following cases show when you might set a static MAC address:
- Virtual machine adapters on different physical hosts share the same subnet and are assigned the same MAC address, causing a conflict.
- Ensure that a virtual machine adapter always has the same MAC address.
By default, VMware uses the Organizationally Unique Identifier (OUI)
00:50:56
for manually generated addresses, but all unique manually generated addresses are supported. Note: Make sure that no other non-VMware devices use addresses assigned to VMware components. For example, you might have physical servers in the same subnet, which use
11:11:11:11:11:11
, 22:22:22:22:22:22
as static MAC addresses. The physical servers do not belong to the vCenter Server inventory, and vCenter Server is not able to check for address collision. Summary
# | Range or Prefix | Vendor | Virtual Machine |
---|---|---|---|
1 | 00:50:56 | VMWare | VMware vSphere, VMware Workstation, VMware ESX Server |
2 | 00:50:56:80:00:00 → 00:50:56:BF:FF:FF | VMWare | VMware vSphere managed by vCenter Server |
3 | 00:0C:29 | VMWare | Standalone VMware vSphere, VMware Workstation, VMware Horizon |
4 | 00:05:69 | VMWare | VMware ESX, VMware GSX Server |
5 | 00:1C:14 | VMWare | VMWare |
OUIs registered by VMWare, Inc
There are 4 OUIs registered by VMware, Inc:
OUI | Assignment Type |
---|---|
00:50:56 | MA-L |
00:1C:14 | MA-L |
00:0C:29 | MA-L |
00:05:69 | MA-L |
Detection Rule 1
Affects products: VMware vSphere, VMware Workstation, VMware ESX Server
Signature: OUI is 00:50:56
Conditions
When the administrator assigns the MAC address manually to a virtual machine, this OUI prefix is set automatically. The last 3 octets should be set manually.
However, administrators can set any MAC address to their virtual machines.
MacOS Compatibility with Live. Live Versions: 10, 9 Operating System: Mac 10.7 and later Note: We highly recommend to wait until Live and all your third party plug-ins, hardware drivers and other programs are officially supported before updating to a new OS. MacOS 10.15 'Catalina' Compatibility. Live 10 (version 10.1.2 and later) is fully compatible with Catalina. Live on Mac supports both the Audio Unit (AU) and VST2 and VST3 (10.1 and later) formats. Which format you choose to use is up to you, bearing in mind the following tips: If sharing projects with Windows users, it's better to use VST. Ableton live 10 mac free.
It provides the basic editing features like trimming, cropping, splitting, rotating and more. What is movie maker for adobe. MovieMator Video EditorMovieMator Video Editor is a full-featured video editing software for creating professional quality videos in minutes on Mac and Windows PC.
References
Example MACs generated
- 00:50:56:11:22:33
- 00:50:56:12:23:34
- 00:50:56:33:A1:BB
Tested on
- VMware vSphere 5.5, standalone
- VMware VMware Workstation 15
Detection Rule 2
Affects products: VMware vSphere managed by vCenter Server
Signature: MAC address belongs to the range [00:50:56:80:00:00; 00:50:56:BF:FF:FF]
Conditions
According to the VMware OUI allocation scheme, a MAC address has the format of 00:50:56:XX:YY:ZZ, where 00:50:56 represents the VMware OUI, XX is calculated as (80 + vCenter Server ID), and YY and ZZ are random two-digit hexadecimal numbers.
Based on this scheme, we can determine the vCenter Server Unique ID, from the servers' MAC address:
- Take the 4th octet: for 00:50:56:97:12:34, it would be 97
- Subtract 0x80: 0x97 - 0x80 = 0x17
- Rebase it from Base-16 to to Base-10. In our example, it would be 0x17 → 23
- vCenter Server Unique ID = 23
References
Example MACs generated
- 00:50:56:A5:12:34
- 00:50:56:A5:A0:12
- 00:50:56:90:A4:BA
Tested on
- vCenter Server 5.5, 6.5
Detection Rule 3
Affects products: Standalone VMware vSphere, VMware Workstation, VMware Horizon
Signature: OUI is 00:0C:29
Conditions
You torrent for mac download torrent. According to the VMware OUI allocation scheme, the hypervisor generates MAC addresses that consists of the VMware OUI 00:0C:29 and the last three octets of the virtual machine UUID in hexadecimal format. The virtual machine UUID is based on a hash calculated by using the UUID of the ESXi physical machine and the path to the configuration file (.vmx) of the virtual machine.
References
Example MACs generated
- 00:0C:29:4E:C6:49
- 00:0C:29:49:92:99
- 00:0C:29:5C:F3:BA
Tested on
- vSphere 5.5, 6.5, VMware Workstation 15
Detection Rule 4
Affects products: Outdated VMWare solutions: VMware ESX, VMware GSX Server
Signature: OUI is 00:05:69
Conditions
According to the VMware OUI allocation scheme, the hypervisor generates MAC addresses that consists of the VMware OUI 00:05:69 and the last three octets generated by the following algorithm:
- The first 16 bits are set to the same values as the last 16 bits of the console operating system’s primary IP address.
- The final eight bits of the MAC address are set to a hash value based on the name of the virtual machine’s configuration file.
For example, if a machine's IP address was 192.34.14.81 (or in hex, 0xc0220e51) and the configuration file was hashed to the value of 95, the MAC address would have the following value: 00:05:69:0e:51:95
References:
Example MACs generated
- 00:05:69:0e:51:95
Detection Rule 5
Mac Address For Vm
Affects products: VMware products
Signature: OUI is 00:1C:14
References:
Mac Address For Vm Settings
Example MACs generated
- 00:1C:14:00:11:22