Chapter 15
| Congestion Control Commands
Automatic Traffic Control Commands
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auto-traffic-control This command enables automatic traffic control for broadcast or multicast storms.
Use the no form to disable this feature.
Syntax
[no] auto-traffic-control {broadcast | multicast}
broadcast - Specifies automatic storm control for broadcast traffic.
multicast - Specifies automatic storm control for multicast traffic.
Default Setting
Disabled
Command Mode
Interface Configuration (Ethernet)
Command Usage
â—† Automatic storm control can be enabled for either broadcast or multicast
traffic. It cannot be enabled for both of these traffic types at the same time.
â—† 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.
Example
This example enables automatic storm control for broadcast traffic on port 1.
Console(config)#interface ethernet 1/1
Console(config-if)#auto-traffic-control broadcast
Console(config-if)#
auto-traffic-control
action
This command sets the control action to limit ingress traffic or shut down the
offending port. Use the no form to restore the default setting.
Syntax
auto-traffic-control {broadcast | multicast} action {rate-control | shutdown}
no auto-traffic-control {broadcast | multicast} action
broadcast - Specifies automatic storm control for broadcast traffic.
multicast - Specifies automatic storm control for multicast traffic.
rate-control
- If a control response is triggered, the rate of ingress traffic is
limited based on the threshold configured by the auto-traffic-control
alarm-clear-threshold command.
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