On an exisiting Fortigate HA Pair Firewall (X1/X2) and enable active-active uplinks to the Fortigate by configuring the ISL into a MCLAG ICL.
Stacking Switches which will require the following; create Rules, create VLANs, tagging and reference across all ports. Set VLAN/Interface "inside (fortiLink"/"fortilink" for VLAN10 on the WAN Switch in CLI Mode, set IP and DHCP Server for the Wifi & SwICLitch Controller. VLANs to direct WAN traffic. We will then finally move the WAN cables to the WAN Switch.