Each branch must have a unique branch_id mapping value in order to successfully utilize the SD-WAN overlay provisioning template.
- In FortiManager, go to Device Manager > Device & Groups, and expand Managed FortiGates.
- Set the variable for Branch1:
- In the content pane, right-click Branch1 and select Edit Variable Mapping. The Edit Metadata Variable Mapping dialog box is displayed.
- Click the Mapping Value cell, type 1, and select the checkmark to set the value.
The value is set.
- Click OK to save the changes.
- Repeat to set Branch2 to 2.