Cisco Nexus 5000 Series Command Reference Release 4.0(1a)N2(1) (OL-16599-01, March 2009)

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Cisco Nexus 5000 Series Command Reference
OL-16599-01
Chapter 6 Security Commands
storm-control level
storm-control level
To set the suppression level for traffic storm control, use the storm-control level command. To turn off
the suppression mode or revert to the default, use the no form of this command.
storm-control {broadcast | multicast | unicast} level percentage[.fraction]
no storm-control {broadcast | multicast | unicast} level
Syntax Description
Command Default All packets are passed.
Command Modes Interface configuration mode
Command History
Usage Guidelines Enter the storm-control level command to enable traffic storm control on the interface, configure the
traffic storm-control level, and apply the traffic storm-control level to all traffic storm-control modes that
are enabled on the interface.
The period (.) is required when you enter the fractional-suppression level.
The suppression level is a percentage of the total bandwidth. A threshold value of 100 percent means
that no limit is placed on traffic. A threshold value of 0 or 0.0 (fractional) percent means that all specified
traffic is blocked on a port.
Use the show interfaces counters storm-control command to display the discard count.
Use one of the following methods to turn off suppression for the specified traffic type:
• Set the level to 100 percent for the specified traffic type.
• Use the no form of this command.
Examples This example shows how to enable suppression of broadcast traffic and set the suppression threshold
level:
switch(config-if)# storm-control broadcast level 30
broadcast Specifies the broadcast traffic.
multicast Specifies the multicast traffic.
unicast Specifies the unicast traffic.
level percentage Percentage of the suppression level. The range is from 0 to 100 percent.
fraction (Optional) Fraction of the suppression level. The range is from 0 to 99.
Release Modification
4.0(0)N1(1a) This command was introduced.