Allied-telesis AT-S83 Manuel d'utilisateur Page 199

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AT-S83 Management Software Command Line Interface User’s Guide
199
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
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.
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 no form of this command to disable storm control.
Command Mode
Interface mode
Example
The following commands set the broadcast rate to 30% on interface 4:
switch#configure terminal
switch(config)#interface xe4
switch(config-if)#storm-control broadcast level 30
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