CLI Reference Guide-R04

Chapter 14 | Congestion Control Commands
Automatic Traffic Control Commands
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Figure 2: Storm Control by Shutting Down a Port
The key elements of this diagram are the same as that described in the preceding
diagram, except that automatic release of the control response is not provided.
When traffic control is applied, you must manually re-enable the port.
Functional Limitations
Automatic storm control is a software level control function. Traffic storms can also
be controlled at the hardware level using the switchport packet-rate command.
However, only one of these control types can be applied to a port. Enabling
automatic storm control on a port will disable hardware-level storm control on that
port.
Threshold Commands
auto-traffic-control
apply-timer
This command sets the time at which to apply the control response after ingress
traffic has exceeded the upper threshold. Use the no form to restore the default
setting.
Syntax
auto-traffic-control {broadcast | multicast} apply-timer seconds
no auto-traffic-control {broadcast | multicast} apply-timer
broadcast - Specifies automatic storm control for broadcast traffic.
multicast - Specifies automatic storm control for multicast traffic.
seconds - The interval after the upper threshold has been exceeded at
which to apply the control response. (Range: 5-300 seconds)
Default Setting
300 seconds
Command Mode
Global Configuration