HP 18108 Instruction Manual
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4SwitchingPages YoucanusetheSwitchingPagestoconfigureportoperationandcapabilities. PortConfiguration UsethePortConfigurationpagetoviewandconfiguretheAdminmodeandlinkspeedsettingfor eachportontheswitch.Itisalsousedtodisplaythelinkstatusandphysicaltypeofeachswitch port. TheAdminmodeisenabledbydefaultandthedefaultlinkspeedissettoautosothattheduplex modeandspeedissetbytheauto-negotiationprocess,andtheport'smaximumcapability(full duplexand1000MbpsinthecaseofGigabitports)isadvertised....
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Table16PortConfigurationFields(continued) DescriptionField •100FDX—100Mbps,full-duplex •1000FDX—1000Mbps,fullduplex(forfiberports) NOTE:Theport'smaximumcapabilityisadvertised. ClickApplytosaveanychangesforthecurrentbootsession;thechangestakeeffectimmediately. Toviewasummaryofportinformation,clickStatus>PortSummaryinthenavigationpane. JumboFrames UsetheJumboFramespagetoenabletheswitchtoforwardjumboEthernetframes.Thejumbo framesfeatureextendsthestandardEthernetMaximumTransmissionUnit(MTU)from1518bytes...
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Figure21PortMirroringPage Table18PortMirroringFields DescriptionField Enableportmirroringcapabilitygloballyontheswitch.Cleartodisablethefeature.EnableMirroring Selecttheporttowhichpacketswillbemirrored.DestinationPort Foreachsourceportyouwanttomirrortothedestinationport,selectthedirection ofthepacketstobemirrored: SourcePortDirection •TxandRx—Allpacketstransmittedandreceivedonthesourceportaremirrored. •Rx—Onlypacketsreceivedonthesourceportaremirrored....
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AsshownintheexampleconfigurationinFigure22,flowcontrolisenabledglobally,whichwould enableflowcontrolonalltheportsintheswitch. Figure22FlowControlPage Table19FlowControlFields DescriptionField Enableflowcontrolontheswitch.Cleartodisablethefeature.EnableFlowControl ClickApplytosaveanychangesforthecurrentbootsession;thechangestakeeffectimmediately. GreenFeatures Theswitchsoftwareallowstheusertoenableordisableport,cable,andLEDenergysavingfeatures thatconsumelesspowerthanthenormalhigh-performancemode....
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Table20GetConnectedFields(continued) DescriptionField CableEnergySavingConfiguration Enableportpowerconsumptionbaseduponthecablelengthsuchthatshorter cablesuselesspower.Thisfeatureisdisabledbydefault. CableLengthDetect LEDintensityConfiguration EnableLEDintensitycontrolgloballyonallports.LEDIntensity SetsthedesiredLEDintensitylevel.ValidvaluesareHigh,Medium,Low,and Off.DefaultvalueisOff. IntensityLevel SpecifiesthetimeofdaywhentheconfiguredLEDintensitylevelisactivated....
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Figure24LoopProtection Table21LoopProtectionFields DescriptionField Enablethisfeatureglobally.LoopProtection Enterthetimeinterval,inseconds,betweensendingLoopProtectionpackets.TransmissionTime Setthenumberofsecondsthataportremainsshutdownifaloophasbeen detectedontheport. ShutdownTime SelecthowyouwanttoconfigureLoopProtection:LoopProtectionSelect •All—EnablesallinterfaceswithLoopProtection. •OnebyOne—EnablesyoutoconfigureLoopProtectiononportsindividually (default)....
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SpanningTree TheRapidSpanningTreeProtocol(RSTP,IEEE802.1w)reducestheconvergencetimefornetwork topologychangestoabout3-5secondsfromthe30secondsormorefortheIEEE802.1DSTP standard. RSTPisintendedasacompletereplacementforSTP,butcanstillinteroperatewithswitchesrunning theSTPprotocolbyautomaticallyreconfiguringportstoSTP-compliantmodeiftheydetectSTP protocolmessagesfromattacheddevices. HP1810seriesswitchessupporttheSpanningTreeversionsIEEE802.1DSTP,and802.1wRSTP inconformancewiththeIEEE802.1Q2005....
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Table22SpanningTreeFields(continued) DescriptionField Settheporttorecoverfromanerror-disabledstate.Ifrecoveryisnotenabled,aporthasto bedisabledandre-enabledfornormalSTPoperation.Theconditionisalsoclearedbya systemreboot. BPDUPortErrorRecovery Timeafterwhichaportintheerror-disabledstatecanbeenabled.Thisvalueisalso applicableontheper-portBPDUGuardoperations. BPDUPortErrorRecovery Timeout SpanningTreePortSettings Listofallphysicalportsandtrunkinterfacesconfiguredonthesystem.Interface...
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5Security TheHP1810seriesswitchsoftwareincludesarobustsetofbuilt-indenial-of-service(DoS)and stormcontrolprotections,andallowsconfiguringsecureHTTP(HTTPS)managementsessions. AdvancedSecurity TheHP1810seriesswitchsoftwareprovidesthefollowingbuilt-insecurityfeatures: •StormControl—ThisfeatureprotectsagainstconditionwhereincomingpacketsfloodtheLAN, causingnetworkperformancedegradation.ThesoftwareincludesStormControlprotection...
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NOTE:SSLisdescribedinclient/serverterminology,wheretheSSL-enabledswitchistheserver andaWebbrowseristheclient. Thecertificateprovidesinformationtothebrowsersuchastheservername,thetrustedcertificate authority(CA)thatissuedthecertificate,thedateitwasissued,andtheswitch’spublickey. Thebrowserandserverusethisinformationtonegotiateasecureconnectioninthefollowing manner: •Thebrowserverifiesthecertificateauthority’sauthenticitybycheckingitagainstitsownlist...