Allied-telesis AT-S100 Manual do Utilizador descarregar pdf (Página 185)

AT-S100 Management Software User’s Guide

Section I: Command Modes 185

STORM-CONTROL

Syntax

storm-control broadcast|dlf|multicast LEVEL <1-100>

no storm-control broadcast|dlf|multicast

Parameters

broadcast Sets the broadcast rate limiting value for the interface.

dlf Sets the destination lookup failure (DLF) for the interface.

multicast Sets the multicast rate limiting value for the interface.

LEVEL Specifies the percentage of the threshold or the percentage

of the maximum speed (pps) of the interface. Enter a value

between 1 and 100.

Description

Flooding techniques are used to block the forwarding of unnecessary

flooded traffic. A packet storm occurs when a large number of broadcast

packets are received on an interface. Forwarding these packets can cause

the network to slow down or timeout.

Use the STORM-CONTROL command to specify the rising threshold level

for broadcasting, multicast, or destination-lookup-failure traffic. The storm

control action occurs when traffic reaches the level specified with the

LEVEL parameter. By default, storm control is disabled.

Use the no form of this command to disable storm control.

Command Mode

Interface Configuration mode

Example

The following commands set the broadcast rate to 30% on port 4:

switch#configure terminal

switch(config)#interface ge4

switch(config-if)#storm-control broadcast level 30

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