![]() ![]() ![]() One-Arm Sniffer – In this mode, you can use a span port on the switch and the Fortigate interface that is in one-arm mode as the destination.This is similar to Spanning Tree, where one interface is in blocking while the other is forwarding. Redundant Interfaces – One interface remains in ‘standby’ mode while the other is in forwarding mode.By default, these VLANs cannot see each other. ![]() VLAN – In VLAN mode, the interface will participate as part of an 802.1Q trunk which carries multiple VLANs which are comprised of separate LAN/WAN connections.VWire – Essentially a Layer 2 Bridge or ‘bump-in-the-wire’ used when you do not want to make layer 3 IP address changes.Loopback – Used for routing and other functions.This is similar to the ‘trunk’ port in the HP world, or ‘ether-channel’ in the Cisco world. 803.AD LACP/LAG – Up to 8 interfaces in a bundle that operate as a single logical interface.These operate as layer 2 devices even though they are on separate interfaces. In this option, you can combine multiple interfaces into a single ‘soft switch’. Software Switch – Not really recommended due to resource utilization but in some cases it is the only option available.This configuration operates as a standard Ethernet switch. Hardware Switch – Select multiple interfaces that will operate as Layer 2 adjacent.The Fortigate has many ways to deploy and use its interfaces. Not sure if you got the ‘Featured Image’ (One Arm and the nose as the ‘sniffer’) OK. ![]()
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