Specifications
Configuring Broadcast Suppression
4-30 Port Configuration
Defaults
Ifport‐stringisnotspecified,settingsand/orstatisticswillbeclearedonallports.
Mode
Switchmode,read‐write.
Example
Thisexampleshowshowtoclearalllinkflapoptionsonportfe.1.4.
C3(rw)->clear linkflap all fe.1.4
Configuring Broadcast Suppression
Purpose
Toreviewandsetthebroadcastsuppressionthresholdforoneormoreports.Thisfeaturelimits
thenumberofreceivedbroadcastframestheswitchwillacceptperport.Broadcastsuppression
thresholdsapplyonlytobroadcasttraffic—multicasttrafficisnotaffected.Bydefault,abroadcast
suppressionthresholdof14881packetspersecond
(pps)willbeused,regardlessofactualport
speed.BroadcastsuppressionprotectsagainstbroadcaststormsandARPsweeps.
Commands
Thecommandsusedtoreviewandconfigureportbroadcastsuppressionarelistedbelow.
show port broadcast
Usethiscommandtodisplayportbroadcastsuppressionthresholds.
Syntax
show port broadcast [port-string]
Parameters
Defaults
Ifport‐stringisnotspecified,broadcaststatusofallportswillbedisplayed.
For information about... Refer to page...
show port broadcast 4-30
set port broadcast 4-31
clear port broadcast 4-31
port‐string (Optional)Selecttheportsforwhichtoshowbroadcastsuppression
thresholds.Foradetaileddescriptionofpossibleport‐stringvalues,refer
to“PortStringSyntaxUsedintheCLI”onpage4‐1.