switch-controller storm-control

Use this command to configure storm control. Storm control uses the data rate (packets/sec, default 500) of the link to measure traffic activity, preventing traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on a port.

When the data rate exceeds the configured threshold, storm control drops excess traffic. You can configure the types of traffic to drop: broadcast, unknown unicast, or multicast.

The storm control settings are global to all of the non-FortiLink ports on the managed switches.

config switch-controller storm-control
    set rate {integer}   Rate in packets per second at which storm traffic is controlled (1 - 10000000, default = 500). Storm control drops excess traffic data rates beyond this threshold. range[1-10000000]
    set unknown-unicast {enable | disable}   Enable/disable storm control to drop unknown unicast traffic.
    set unknown-multicast {enable | disable}   Enable/disable storm control to drop unknown multicast traffic.
    set broadcast {enable | disable}   Enable/disable storm control to drop broadcast traffic.
end