8‐PortGigabitWeb‐SmartSwitch
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4.3 PortMirroring
Networkengineersoradministratorsuseportmirroringtoanalyzeanddebugdataordiagnoseerrorsona
network.Ithelpsadministratorskeepacloseeyeonnetworkperformanceandalertsthemwhen
problemsoccur.Itcanbeusedtomirroreitherinboundoroutboundtraffic(orboth)onsingleormultiple
interfaces.Portmirroringisusedonanetworkswitchtosendacopyofnetworkpacketsseenonone
switchport(oranentireVLAN)toanetworkmonitoringconnectiononanotherswitchport.
Thefollowingtabledescribesthelabelsinthisscreen.
LABEL DESCRIPTION
MirrorDirection Rx:Receivedtraffic
Tx:Transmittedtraffic
Both:Transmittedandreceivedtraffic
MirroringPort Definewhichportwilloutputthemirroredtraffic.Thisistheporttowhichyou
connectyourmonitoringstation.
MirroredPortList Definewhichofthe8portsyouwishtomirrorthetrafficfor.Notethatthe
mirroredportcannotbethesameasthemirroringport.
Apply ClickApplytocreatethenewportmirroringrule.
Delete ClickDeletetoremovetheportmirrorrule.
Note:
Youcanonlycreateoneportmirroringruleatatime.
Youcanonlymirrorthecontentsfromoneporttooneotherport,butnotmirrorthecontentsofmultiple
ports.