Enterasys-networks D-Series Bedienungsanleitung Seite 156

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Configuring Broadcast Suppression
6-30 Port Configuration
Configuring Broadcast Suppression
Purpose
Toreviewandsetthebroadcastsuppressionthresholdforoneormoreports.Thisfeaturelimits
thenumberofreceivedbroadcastframestheswitchwillacceptperport.Broadcastsuppression
thresholdsapplyonlytobroadcasttraffic—multicasttrafficisnotaffected.Bydefault,abroadcast
suppressionthresholdof14881packetspersecond
(pps)willbeused,regardlessofactualport
speed.BroadcastsuppressionprotectsagainstbroadcaststormsandARPsweeps.
Commands
show port broadcast
Usethiscommandtodisplayportbroadcastsuppressionthresholds.
Syntax
show port broadcast [port-string]
Parameters
Defaults
Ifportstringisnotspecified,broadcaststatusofallportswillbedisplayed.
Mode
Switchcommand,readonly.
Example
Thisexampleshowshowtodisplaythebroadcastsuppressionthresholdsforports1through4:
D2(su)->show port broadcast ge.1.1-4
Port Total BC Threshold
Packets (pkts/s)
----------------------------------------
ge.1.1 0 50
ge.1.2 0 50
ge.1.3 0 40
ge.1.4 0 14881
For information about... Refer to page...
show port broadcast 6-30
set port broadcast 6-31
clear port broadcast 6-31
portstring (Optional)Selecttheportsforwhichtoshowbroadcastsuppression
thresholds.Foradetaileddescriptionofpossibleportstringvalues,refer
toPortStringSyntaxUsedintheCLIonpage61.
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