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Chapter 4: Configuring Device Security
Defining Traffic Control
SGE2000/SGE2000P Gigabit Ethernet Switch Reference Guide
Chapter
4
Defining Traffic Control
The Traffic Control section contains the following pages:
• Defining Storm Control
• Defining Port Security
Defining Storm Control
Storm Control enables limiting the amount of Multicast and Broadcast frames accepted and forwarded
by the device. When Layer 2 frames are forwarded, Broadcast and Multicast frames are flooded to all
ports on the relevant VLAN. This occupies bandwidth, and loads all nodes connected on all ports.
A Broadcast Storm is a result of an excessive amount of broadcast messages simultaneously transmitted
across a network by a single port. Forwarded message responses are heaped onto the network, straining
network resources or causing the network to time out.
Storm Control is enabled per all ports by defining the packet type and the rate the packets are
transmitted. The system measures the incoming Broadcast and Multicast frame rates separately on each
port and discards the frames when the rate exceeds a user-defined rate.
The Storm Control Page provides fields for configuring Broadcast Storm Control. To define storm
control:
1. Click Security Suite > Traffic Control > Storm Control. The Storm Control Page opens:
Storm Control Page
The Storm Control Page contains the following fields:
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