clear port broadcast
SecureStack B3 Configuration Guide 5-29
clear port broadcast
Usethiscommandtoclearthebroadcastthresholdlimittothedefaultvalueof14881forthe
selectedport.
Syntax
clear port broadcast port-string threshold
Parameters
Defaults
None.
Mode
Switchcommand,read‐write.
Example
Thisexampleclearsthebroadcastthresholdlimitto14881ppsforports1through5:
B3(su)->clear port broadcast ge.1.1-5 threshold
Port Mirroring
TheSecureStackB3deviceallowsyoutomirror(orredirect)thetrafficbeingswitchedonaport
forthepurposesofnetworktrafficanalysisandconnectionassurance.Whenportmirroringis
enabled,oneportbecomesamonitorportforanotherportwithinthedevice.
Mirroring Features
TheSecureStackB3devicesupportsthefollowingmirroringfeatures:
• Mirroringcanbeconfiguredinamany‐to‐oneconfigurationsothatonetarget(destination)
portcanmonitortrafficonupto8sourceports.Onlyonemirrordestinationportcanbe
configuredperstack,ifapplicable.
•Bothtransmitandreceivetrafficwill
bemirrored.
•Amirroringsessionwhichisconfiguredtobeactive(enabled)willbeoperationallyactive
onlyifbothadestinat ionportandatleastonesourceporthavebeenconfigured.
•Adestinationportwillonlyactasamirroringportwhenthesessionisoperationallyactive.If
themirroringsession
isnotoperationallyactive,thenthedestinationportwillactasanormal
portandparticipateinallnormaloperationwithrespecttotransmittingtrafficand
participatinginprotocols.
port‐string Selecttheportsforwhichtoclearbroadcastsuppressionthresholds.Fora
detaileddescriptionofpossibleport‐stringvalues,refer
to“PortString
SyntaxUsedintheCLI”onpage5‐1.
Caution: Port mirroring configuration should be performed only by personnel who are
knowledgeable about the effects of port mirroring and its impact on network operation.