Specifications
Click“Reload“toreloadtheMSTPinformationdisplay.
4.5.7 MultipleSuperRing(MSR)
Themostcommonindustrialnetworkredundancyistoformaringorloop.
Typically,themanagedswitchesareconnectedinseriesandthelastswitchis
connectedbacktothe firstone.Insuchconnection,youcanimplementMultiple
SuperRingtechnologytogetfatestrecoveryperformance.
MultipleSuperRing(MSR)technologyhaveafastrestoreandfailovertime,0ms
forrestoreandaboutmillisecondslevelforfailoverfor100Base‐TXcopperport.
Theotherinterfacemaytakelongertimeduetothemediacharacteristics.
AdvancedRapidDualHoming(RDH)technologyalsofacilitatesPMIManaged
Switchtoconnectwithacoremanagedswitcheasilyandconveniently.WithRDH
technology,youcanalsocoupleseveralRapidSuperRingsorRSTPcloudtogether,
whichisalsoknownasAutoRingCoupling.
TrunkRingtechnologyallowsintegrateMSRwithLACP/PortTrunking.The
LACP/TrunkaggregatedportsisavirtualinterfaceanditcanworkastheRingport
oftheMSR.
MultiRingisanoutstandingtechnology.Multipleringscanbeaggregatedwithin
oneswitchbyusingdifferentRingID.ThemaximumRingnumberoneswitchcan
supportishalfoftotalportvolume.Forexample,thePMI‐110‐F2Gisa10port
EthernetSwitchdesign,whichmeansmaximum5Rings(4100Mbps+1Gigabit
Rings)canbe aggregatedinone.Thefeaturesavesmucheffortwhen
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