Configuring Atc Thresholds And Responses - Edge-Core ECS4810-12M Layer 2 Management Manual

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Figure 127: Configuring ATC Timers

Use the Traffic > Auto Traffic Control (Configure Interface) page to set the

storm control mode (broadcast or multicast), the traffic thresholds, the

HRESHOLDS AND

control response, to automatically release a response of rate limiting, or to

send related SNMP trap messages.

These parameters are displayed:

"Automatic Traffic Control Commands" on page 869

Storm Control – Specifies automatic storm control for broadcast

traffic or multicast traffic.

Port – Port identifier.

State – Enables automatic traffic control for broadcast or multicast

storms. (Default: Disabled)

Automatic storm control is a software level control function. Traffic

storms can also be controlled at the hardware level using the

menu. However, only one of these control types can be applied

to a port. Enabling automatic storm control on a port will disable

hardware-level storm control on that port.

Action – When the Alarm Fire Threshold (upper threshold) is exceeded

and the apply timer expires, one of the following control responses will

be triggered.

Rate Control – The rate of ingress traffic is limited to the level set

by the Alarm Clear Threshold. Rate limiting is discontinued only

after the traffic rate has fallen beneath the Alarm Clear Threshold

(lower threshold), and the release timer has expired. (This is the

default response.)

Shutdown – The port is administratively disabled. A port disabled

by automatic traffic control can only be manually re-enabled using

the Manual Control Release attribute.

| Congestion Control

Automatic Traffic Control

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