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P
ORT
C
ONFIGURATION
6-27
Storm Control
Broadcast storms may occur when a device on your network is
malfunctioning, or if application programs are not well designed or
properly configured. If there is too much broadcast traffic on your
network, performance can be severely degraded or everything can come to
complete halt.
You can protect your network from broadcast storms by setting a
threshold for broadcast traffic for each port. Any broadcast packets
exceeding the specified threshold will then be dropped.
Field Attributes
• Type – List the type of traffic which can be rate limited, including ICMP,
learn frames, broadcast, multicast and flooded unicast frames.
• Enable Storm Control – Click the check box to enable storm control
for the specific frame type.
• Rate (number of frames per second) – The Rate field is set by a single
drop-down list. The same threshold is applied to every port on the
switch. When the threshold is exceeded, packets are dropped,
irrespective of the flow-control settings. (Options: 1k - 32768k, in steps
of 2
n
)
Web – Click PORTS, Storm Control. This page enables you to set the
broadcast storm control parameters for every port on the switch.