Reference Guide

1454 | Storm Control
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• When storm control is applied on an interface, the percentage of storm control
applied is calculated based on the advertised rate of the line card. It is not based
on the speed setting for the line card.
• Do not apply per-VLAN QoS on an interface that has storm control enabled
(either on an interface or globally).
• When broadcast storm control is enabled on an interface or globally on ingress,
and DSCP marking for a DSCP value 1 is configured for the data traffic, the
traffic will go to queue 1 instead of queue 0.
• Similarly, if unicast storm control is enabled on an interface or globally on
ingress, and DSCP marking for a DSCP value 2 is configured for the data traffic,
the traffic will go to queue 2 instead of queue 0.
show storm-control broadcast
c e s
Display the storm control broadcast configuration.
Syntax
show storm-control broadcast [interface]
Parameters
Defaults
No default behavior or values
Command Modes
EXEC
EXEC Privilege
Command
History
Note: Bi-directional traffic (unknown unicast and broadcast), along with egress storm
control, causes the configured traffic rates to be split between the involved ports. The
percentage of traffic that each port receives after the split is not predictable. These
ports can be in the same/different port pipes, or the same/different line cards.
interface
(OPTIONAL) Enter one of the following interfaces to display the interface specific
storm control configuration.
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed
by the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet
followed by the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed by the
slot/port information.
• For a SONET interface, enter the keyword
sonet followed by the slot/port
information.
• Fast Ethernet is not supported.
Version 8.3.19.0 Introduced on S4820T
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.3.7.0 Introduced on S4810
Version 7.6.1.0 Introduced on S-Series