Security Commands 1031
storm-control broadcast
Use the storm-control broadcast command to enable broadcast storm
recovery mode for a specific interface. Use the no form of the command to
disable storm control or to return the configuration to the default.
Syntax
storm-control broadcast [{level level| rate rate | action {shutdown | trap}]
no storm-control broadcast [level| rate | action]
• level— The configured rate as a percentage of link bandwidth (Range: 0-
100)
• 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, broadcast storm control is disabled on all physical interfaces.
The default threshold for broadcast traffic is 5% of link bandwidth.
The default behavior is to rate limit (drop) traffic exceeding the configured
threshold.
There is no default action.
Command Mode
Interface Configuration (Ethernet) mode, Interface Range mode
User Guidelines
Broadcast storm control can only be enabled on physical interfaces. It cannot
be configured on port channels.
Setting the level, rate or action enables broadcast storm control. When
enabled, broadcast storm control can issue a trap and drop traffic in excess of
the configured rate (level) or shut down the port if the rate is exceeded.
Either the level or the rate threshold may be configured, but not both.
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