DescriptionFortiGate supports NAT/Route mode (Layer-3) and Transparent (TP) mode (Layer-2). In Transparent mode there are some optional features available based on the network environment. The attached Solution Guide document describes best practice in Transparent mode and provides sample configurations.
Contents
Deployment Considerations
Requirements
Management access consideration
Transparent mode with VLAN trunking
UTM and Hardware Acceleration Deployment Consideration
Transparent mode Vdom with STP (Spanning Tree Protocol)
Special STP Handling When internal and External VLAN Are on the Same Physical Interface
Transparent mode with VRRP, HSRP or Network Load Balancer
Port-pairing
Transparent mode Vdom with L2 protocols that FortiGate does not recognize.
TP Mode FortiGate/VDom with Multicast Traffic
Asymmetrical packet forwarding in Transparent Mode
