The SD-WAN infrastructure management page is displayed. By default, the Network resources tab is selected, which displays the table of SD-WAN Controllers.
In the upper part of the page, click + Domain.
This opens a window; in that window, in the Name field, enter the name of the domain. Range of values: 1 to 50 characters.
If necessary, in the Description field, enter a brief description of the domain. Maximum length: 100 characters.
Click Create.
The domain is created and displayed in the Resources panel. You can now add data centers to this domain to combine them into a single logical group.