Enterasys SecureStack C2

Port Mirroring
5-30 Port Configuration
Mode
Switchcommand,read‐write.
Example
Thisexampleclearsthebroadcastthresholdlimitto14881ppsforports1through5:
C2(su)->clear port broadcast ge.1.1-5 threshold
Port Mirroring
TheSecureStackC2deviceallowsyoutomirror(orredirect)thetrafficbeingswitchedonaport
forthepurposesofnetworktrafficanalysisandconnectionassurance.Whenportmirroringis
enabled,oneportbecomesamonitorportforanotherportwithinthedevice.
Mirroring Features
TheSecureStackC2devicesupportsthefollowingmirroringfeatures:
• Mirroringcanbeconfiguredinamany‐to‐oneconfigurationsothatonetarget(destination)
portcanmonitortrafficonupto8sourceports.Onlyonemirrordestinationportcanbe
configuredperstack,ifapplicable.
•Bothtransmitandreceivetrafficwill
bemirrored.
•Amirroringsessionwhichisconfiguredtobeactive(enabled)willbeoperationallyactive
onlyifbothadestinat ionportandatleastonesourceporthavebeenconfigured.
•Adestinationportwillonlyactasamirroringportwhenthesessionisoperationallyactive.If
themirroringsession
isnotoperationallyactive,thenthedestinationportwillactasanormal
portandparticipateinallnormaloperationwithrespecttotransmittingtrafficand
participatinginprotocols.
Purpose
Toreviewandconfigureportmirroringonthedevice.
Commands
show port mirroring
Usethiscommandtodisplaythesourceandtargetportsformirroring,andwhethermirroringis
currentlyenabledordisabledforthoseports.
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.
For information about... Refer to page...
show port mirroring 5-30
set port mirroring 5-31
clear port mirroring 5-32