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AT-S100 Management Software User’s Guide
STORM-CONTROL
Syntax
storm-control broadcast|dlf|multicast LEVEL <1-100>
no storm-control broadcast|dlf|multicast
Parameters
broadcast
Sets the broadcast rate limiting value for the interface.
dlf
Sets the destination lookup failure (DLF) for the interface.
multicast
Sets the multicast rate limiting value for the interface.
LEVEL
Specifies the percentage of the threshold or the percentage
of the maximum speed (pps) of the interface. Enter a value
between 1 and 100.
Description
Flooding techniques are used to block the forwarding of unnecessary
flooded traffic. A packet storm occurs when a large number of broadcast
packets are received on an interface. Forwarding these packets can cause
the network to slow down or timeout.
Use the STORM-CONTROL command to specify the rising threshold level
for broadcasting, multicast, or destination-lookup-failure traffic. The storm
control action occurs when traffic reaches the level specified with the
LEVEL parameter. By default, storm control is disabled.
Use the no form of this command to disable storm control.
Command Mode
Interface Configuration mode
Example
The following commands set the broadcast rate to 30% on port 4:
switch#configure terminal
switch(config)#interface ge4
switch(config-if)#storm-control broadcast level 30
Section I: Command Modes
185