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8.3.3.8 - Force10 Networks

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Storm Control<br />

Storm Control is supported on platforms: c e s<br />

Storm Control for Multicast is supported on platforms: c s<br />

41<br />

The storm control feature enables you to control unknown-unicast and broadcast traffic on Layer 2 and<br />

Layer 3 physical interfaces.<br />

FTOS Behavior: On the E-Series, FTOS supports broadcast control for Layer 3 traffic only. To control<br />

Layer 2 broadcast traffic use the command storm-control unknown-unicast. On the C-Series and<br />

S-Series, FTOS supports broadcast control (command storm-control broadcast ) for Layer 2 and Layer<br />

3 traffic.<br />

FTOS Behavior: On E-Series, bi-directional traffic (unknown unicast and broadcast) along with egress<br />

storm control causes the configured traffic rates to be split between the involved ports. The percentage<br />

of traffic that each port receives after the split is not predictable. These ports can be in the same/<br />

different port-pipes or on the same/different line cards.<br />

FTOS Behavior: The minimum number of packets per second (PPS) that storm control can limit on<br />

the S60 is 2.<br />

Configure Storm Control<br />

Storm control is supported in INTERFACE mode and CONFIGURATION mode<br />

Configure storm control from INTERFACE mode<br />

Configure storm control from INTERFACE mode using the command storm control. From INTERFACE<br />

mode:<br />

• You can only on configure storm control for ingress traffic.<br />

• If you configure storm control from both INTERFACE and CONFIGURATION mode, the<br />

INTERFACE mode configurations override the CONFIGURATION mode configurations.<br />

Storm Control | 769

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