Editing a site

You can edit a site to define the ISP and LAN subnet from the Site page.

You can add LAN subnets that will communicate within your SD-WAN region. You can define subnets as either direct or indirect:

• direct: Directly select the subnet assigned to a FortiGate interface.

• indirect: Use a Classless Inter-Domain Routing (CIDR) prefix to input a network summary address behind the interface. You can create multiple indirect subnets behind the same interface, if needed.

To edit a new site:

1. Go to SDWAN Overlay > Site.

2. Select the desired site, then click Edit.

3. Configure how the SD-WAN device connects to the region by selecting the ISP link for external access.

   1. On the ISP tab, select Create. The Add ISP dialog opens.

   2. Enter a Name for the ISP.

   3. Enter the cost assigned to the ISP in the Cost field.

   4. Select the interface from the Interface dropdown list.

   5. (Optional) Enter a Description.

      

   6. Click OK. The ISP is added between the hub and site.

   7. Repeat the above steps to add another ISP configuration. SD-WAN overlay allows a maximum of three ISPs for each site.

4. Select the Subnet tab. Configure the following:

   1. Select Create. The Add subnet dialog opens.

   2. Enter a Name.

   3. Select direct or indirect for the subnet definition.

   4. Select the interface from the Interface dropdown list.

   5. If you select indirect, configure the CIDR as needed.

   6. Enable or disable Advertise to Overlay.

   7. (Optional) Enter a Description.

   8. Click OK. The subnet is added to the topology.

5. Click OK.