Users Guide

Security Commands 1185
Example
The following example configures any port to drop excess broadcast traffic
and issue a log and trap if the received broadcast traffic exceeds 10% of link
bandwidth:
console(config)#interface range gi1/0/1-24
console(config-if)#storm-control broadcast level 10
console(config-if)#storm-control broadcast action trap
console(config-if)#exit
storm-control multicast
Use the storm-control multicast command in Interface Configuration mode
to enable multicast storm storm control for an interface.
Use the no form of the command to disable storm-control in order to return
the configuration to the default.
Syntax
storm-control multicast [level level | rate rate | action {shutdown | trap}]
no storm-control multicast [level | rate | action]
• level— The configured rate as a percentage of link-speed.
•
rate — The configured rate in packets per second. (Range: 0-14880000)
• action shutdown—Places the interface in the D-disable state if the
threshold is exceeded.
• action trap—Logs a message and issue a trap if the threshold is exceeded.
Default Configuration
By default, multicast storm control is not enabled on any interfaces.
The default threshold for multicast traffic is 5% of link bandwidth.
The default behavior is to rate limit (drop) traffic exceeding the configured
threshold.
The default action is no action.
Command Mode
Interface Configuration (Ethernet) mode, Interface Range mode