Automatic Traffic Control - Edge-Core ECS4510-12PD Web Management Manual

12-port gigabit ethernet layer 2 switch

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| Congestion Control

Automatic Traffic Control

Figure 120: Configuring Storm Control

Use the Traffic > Congestion Control > Auto Traffic Control pages to configure

bounding thresholds for broadcast and multicast storms which can automatically

trigger rate limits or shut down a port.

Command Usage

ATC includes storm control for broadcast or multicast traffic. The control response

for either of these traffic types is the same, as shown in the following diagrams.

Figure 121: Storm Control by Limiting the Traffic Rate

（1～255kpps ）

（1～255kpps ）

The key elements of this diagram are described below:

Alarm Fire Threshold – The highest acceptable traffic rate. When ingress traffic

exceeds the threshold, ATC sends a Storm Alarm Fire Trap and logs it.

When traffic exceeds the alarm fire threshold and the apply timer expires, a

traffic control response is applied, and a Traffic Control Apply Trap is sent and

TrafficControl

Auto Storm Control

Traffic without storm control

Traffic with storm control

TrafficControl

Release Trap

Release Timer

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