Chapter 1 What’s New for FortiOS 5.0 : New features in FortiOS 5.0 Patch 2 : Wireless changes: Custom mesh downlink SSIDs and new identifier for local bridge SSIDs
  
Wireless changes: Custom mesh downlink SSIDs and new identifier for local bridge SSIDs
You can go to WiFi Controller > WiFi Network > SSID and select Create New to add additional custom mesh downlink SSIDs.
Figure 20: SSID list showing a local-bridge SSID and two mesh downlink SSIDs
Configure a mesh downlink SSID by selecting Create New, setting the Traffic Mode to Mesh Downlink and entering an SSID.
Figure 21: Configuring a custom mesh downlink