Defining Storm Control - Cisco 500 series Administration Manual
Stackable managed switch
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- Configuration manual (1140 pages) ,
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Configuring Security
Defining Storm Control
STEP 3
Defining Storm Control
Cisco 500 Series Stackable Managed Switch Administration Guide
The TCP Service Table displays the following fields for each service:
•
Service Name—Access method through which the switch is offering the
TCP service.
•
Type—IP protocol the service uses.
•
Local IP Address—Local IP address through which the switch is offering the
service.
•
Local Port—Local TCP port through which the switch is offering the service.
•
Remote IP Address—IP address of the remote device that is requesting the
service.
•
Remote Port—TCP port of the remote device that is requesting the service.
•
State—Status of the service.
The UDP Services table displays the following information:
•
Service Name—Access method through which the switch is offering the
UDP service.
•
Type—IP protocol the service uses.
•
Local IP Address—Local IP address through which the switch is offering the
service.
•
Local Port—Local UDP port through which the switch is offering the service.
•
Application Instance—The service instance of the UDP service. (For
example, when two senders send data to the same destination.)
Click Apply. The services are written to the Running Configuration file.
When Broadcast, Multicast, or Unknown Unicast frames are received, they are
duplicated, and a copy is sent to all possible egress ports. This means that in
practice they are sent to all ports belonging to the relevant VLAN. In this way, one
ingress frame is turned into many, creating the potential for a traffic storm.
Storm protection enables you to limit the number of frames entering the switch
and to define the types of frames that are counted towards this limit.
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