The FortiGate unit requires an active FortiLink interface to manage all of the subtending FortiSwitch units (called stacking).
You can configure the FortiLink as a physical interface or as a logical interface (associated with one or more physical interfaces). Depending on the network topology, you can also configure a standby FortiLink.
NOTE: For any of the topologies:
- All of the managed FortiSwitch units will function as one Layer-2 stack where the FortiGate unit manages each FortiSwitch separately.
- The active FortiLink carries data as well as management traffic.
This section covers the following topics:
- Single FortiGate managing a single FortiSwitch unit
- Single FortiGate unit managing a stack of several FortiSwitch units
- HA-mode FortiGate units managing a single FortiSwitch unit
- HA-mode FortiGate units managing a stack of several FortiSwitch units
- HA-mode FortiGate units managing a FortiSwitch two-tier topology
- Single FortiGate unit managing multiple FortiSwitch units (using a hardware or software switch interface)
- HA-mode FortiGate units using hardware-switch interfaces and STP
- FortiLink over a point-to-point layer-2 network
- FortiLink mode over a layer-3 network
- Switch redundancy with MCLAG