A MAC Set is a group of MAC addresses that you can use as sources and destinations in layer 2 firewall rules and as a member of an NS Group.


Verify that Manager mode is selected in the NSX Manager user interface. See NSX Manager. If you do not see the Policy and Manager mode buttons, see Configure the User Interface Settings.


  1. With admin privileges, log in to NSX Manager.
  2. Select Inventory > Groups > MAC Sets > Add.
  3. Enter a name.
  4. (Optional) Enter a description.
  5. Enter the MAC addresses in a comma-separated list.
  6. Click ADD.