HP 18108 Instruction Manual
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Table8SpanningTreefields(continued) DescriptionField tofailandthespanningtreealgorithmdeterminestheportmaytransition totheforwardingstate.BPDUdataisstillreceivedinblockingstate. •Forwarding—Aportreceivingandsendingdata.STPstillmonitorsincoming BPDUsthatmayindicateitshouldreturntotheblockingstatetopreventa loop. •Disabled—NotstrictlypartofSTP,anetworkadministratorcanmanually disableaport. ThecurrentSpanningTreeportpathcost.Thisvalueiseithercomputedfrom theAutosettingorfromanyexplicitlyconfiguredvalue. Cost Hellotimeparametercurrentlyinuseontheport.HelloTime Ayes/novalue.Yesindicatesaswitchedlinkwithonlytwonodes.Noindicates asharednetworksegmentwithmorethantwonodes.Thevaluemaybe automaticallycomputedorexplicitlyconfigured. Point-to-Point Ayes/novalue.Yesmeanstherearenobridgesattachedtothisport.No meansthereare,ormightbe,bridgesattached.Thevaluemaybeautomatically Edge computedorexplicitlyconfigured.IfthevalueisYes,theporttransitionsdirectly totheForwardingPortstatewhenSpanningTreeisenabled. GreenFeaturesStatuspage TheGreenFeaturesStatuspagedisplaysthestatusofthepower-savingorgreenfeatures. TodisplaytheGreenFeaturespage,clickStatus>GreenFeaturesinthenavigationbar. Figure12GreenFeaturesStatuspage GreenFeaturesStatuspage21
Table9GreenFeaturesStatusfields DescriptionField PortEnergySavingConfiguration ThecurrentAutoPortPower-Downsetting(EnabledorDisabled).When enabled,theportissetinpowersavemodewhenthereisnolink. AutoPortPower-Down ThecurrentEnergyEfficientEthernet(EEE)setting(EnabledorDisabled). Whenenabled,portsthatarenotpassingtrafficarepoweredoffuntilthe linkpartnerindicatestheportshouldpowerontoreceivenewdata. Low-TrafficIdle(EEE) CableEnergySavingConfiguration ThecurrentCableLengthDetectsetting(EnabledorDisabled).When enabled,portpowerconsumptionisadjustedbaseduponcablelength. Shortcablesuselesspowerthanlongcables. CableLengthDetect LEDIntensityConfiguration Thesetting(EnabledorDisabled)thatindicatesiftheswitchisconfigured tochangeLEDintensitylevelsatcertaintimesofday. LEDIntensity ThedesiredLEDintensitylevelthattakeseffectiftheLEDIntensitysettingis enabled.ValidvaluesareHigh,Medium,Low,orOff.DefaultvalueisOff. IntensityLevel ThetimeofdaywhentheconfiguredLEDIntensityLevelisactivated.StartTime ThenumberofhourstheconfiguredLEDIntensityLevelisineffect.Duration Thecurrentsetting(YesorNo)thatindicatesiftheLEDintensitylevelswill changedailyattheconfiguredtime. RecurDaily EEEInterfaceStatus Theportnumber.Interface IndicatesifthelinkpartnersupportsEEE(YesorNo).LinkPartnerSupportsEEE IndicatesiftheEEEwakeuptimeisnegotiatedwiththelinkpartner(Yesor No).IfNo,theRxWakeuptimeandTxWakeuptimecolumnsdisplaya dash. WakeupTimeNegotiatedbyLLDP TheRxWakeuptimeineffectforthatport.RxWakeupTime(μSec) TheTxWakeuptimeineffectforthatport.TxWakeupTime(μSec) DualImageStatuspage TheDualImageStatuspagedisplaysthestatusofthetwosoftwareimages(image1andimage2) ontheswitch.Italsoprovidesdetailsaboutthecurrentactiveandalternateimages,andsoftware imageversions. TodisplaytheDualImagepage,clickStatus>DualImageinthenavigationbar. AsshowninFigure13,Image1istheactiveimageandwillcontinuetobetheactiveimageafter areboot. 22StatusPages
Figure13DualImageStatuspage Table10DualImageStatusfields DescriptionField Thecurrentlyactiveimagename.Active Thenextactiveimagename.Theadministratorcanconfiguretheimagetotakeeffectthe nexttimethesystemisbooted.Itmaybeadifferentthanthecurrentlyactiveimage(for Next-Active example,iftheadministratorconfiguresthebackupimagetotakeeffectuponthenext reboot). Thenameofthefirmwareimage.TheprimaryimageisImage1;thealternateimageis Image2. Image Theversionofthefirmwareimage.Version Theconfigureddescriptionsfortheimages.Description Forinstructionsonconfiguringtheactiveimage,see“DualImageConfiguration”(page65). ClockStatuspage TheClockStatuspagedisplaysthecurrenttime,timezone,andDaylightSavingsTimesettings. TodisplaytheClockpage,clickStatus>Clockinthenavigationbar. Figure14ClockStatuspage Table11ClockStatusFields DescriptionField CurrentTime Thecurrenttime.ThisvalueisdeterminedbyanSNTPserver.WhenSNTP isdisabled,thesystemtimeincrementsfrom00:00:00,1Jan1970,which issetatbootup. Time Thecurrentdate.Date Sourcefromwhichthetimeanddateisobtained.TimeSource ClockStatuspage23
Table11ClockStatusFields(continued) DescriptionField TimeZone Thecurrentlysettimezone.TimeZone Theacronymconfiguredonthesystemforthetimezone(e.g.,PST,EDT).Acronym DaylightSavingsTime ShowswhetherDaylightSavingsTimeisenabledandthemodeofoperation:DaylightSavingsTime •Enabled—ClockadjustmentmadeforDaylightSavingstime. •Disabled—NoclockadjustmentwillbemadeforDaylightSavingstime. •Recurring—Thesettingswillbeineffectfortheupcomingperiodand subsequentyears. •Non-Recurring—Thesettingswillbeineffectforonlyoneperiod(i.e., theywillnotcarryforwardtosubsequentyears). Forinstructionsonconfiguringthesystemtime,see“SimpleNetworkTimeProtocol”(page27), “TimeZone”(page28),and“DaylightSavingTime”(page28). 24StatusPages
3NetworkSetup YoucanusetheNetworkSetuppagestoconfigurehowamanagementcomputerconnectstothe switchandhowtheswitchconnectstoaservertosynchronizeitstime. GetConnected UsetheGetConnectedpagetoconfiguresettingsforthenetworkinterface.Thenetworkinterface isdefinedbyanIPaddress,mask,andgateway.Anyoneoftheswitch'sfront-panelportscanbe selectedasthemanagementportforthenetworkinterface.Theconfigurationparametersassociated withtheswitch'snetworkinterfacedonotaffecttheconfigurationofthefront-panelportsthrough whichtrafficisswitchedorforwarded,exceptthatforthemanagementport,thePVIDwillbethe managementVLAN. TodisplaytheGetConnectedpage,clickNetworkSetup>GetConnected. AsshownintheexampleconfigurationinFigure15,theswitchhasbeenconfiguredtoacquire itsIPaddressthroughDHCP.Inthisexample,accesstothemanagementsoftwareisrestrictedto membersofVLAN1. Figure15GetConnectedPage Table12GetConnectedFields DescriptionField NetworkDetails Selectthetypeofnetworkconnection:ProtocolType •Static:SelectthisoptiontoenabletheIPaddress,mask,andgatewayfields fordataentry. •DHCP:SelectthisoptiontoenabletheswitchtoobtainIPinformationfrom aDHCPserveronthenetwork.IftheDHCPserverresponds,thenthatIP addresswillbeused.OtherwiseifDHCPisenabledbuttheDHCPserver doesnotrespond,thefall-backIPaddresswillbeused.Onlyuser-configured, staticIPaddressissavedtoflash. CAUTION:ChangingtheprotocoltypeorIPaddressdiscontinuesthecurrent connection;youcanlogonagainusingthenewIPinformation. GetConnected25
Table12GetConnectedFields(continued) DescriptionField TheIPv4addresstobeused.ThedefaultIPaddressis192.168.2.10.IPAddress TheIPv4subnetaddresstobeused.ThedefaultIPsubnetaddressis 255.255.255.0. SubnetMask TheIPv4gatewayaddresstobeused.Whenindoubt,setthistobethesame asthedefaultgatewayaddressusedbyyourPC. GatewayAddress Theburned-inuniversallyadministeredMACaddressofthisswitch.MACAddress WebParameters SpecifytheamountoftimeinminutesthataconnectiontotheWebinterface remainsactive,assumingnouseractivity.Tokeeptheconnectionactive regardlessofuseractivity,setthisvalueto0. SessionTimeout CAUTION:Whenasessionwindowisclosedwithoutloggingout,theserver connectionremainopenuntilthesessiontimeout.Whenthesessiontimeoutis setto0,closingasessionwindowwithoutloggingoutkeepsthesessionopen attheserverindefinitely.Insuchcases,youmayfailtoconnectaftermaximum sessionsareleftopenindefinitely. ManagementAccess AccesstothemanagementsoftwareiscontrolledbytheassignmentofaVLAN ID.Bydefault,themanagementVLANIDis1.Theallowedrangeis2to4094. ManagementVLANID AllportsaremembersofVLAN1bydefault;theadministratormaywantto createadifferentVLANtoassignasthemanagementVLANandassociateit toamanagementport.AnychangeinconfiguredmanagementVLANIDmay causedisruptioninconnectivitywhenthenetworkprotocolisconfiguredtobe DHCP;thisisbecausetheswitchacquiresanewIPAddressbecausethe managementsubnethaschanged.Tore-connecttotheswitch,theusermust determinethenewIPaddressassignedbytheDHCPserver. Accesstothemanagementsoftwarealsorequirestheselectionofamanagement port.Anyonephysicalportcanbeselectedasthemanagementport.The ManagementPort selectedmanagementportisauto-configuredtobeanuntagged'Management VLAN'memberanditisexcludedfromanyuntaggedVLANs.Whentheswitch bootswithdefaultconfiguration,anyportcanbeusedasmanagementport anditisdisplayedas'None'. Configureamanagementporttoensureaportalwaysremainsanuntagged memberinconfiguredmanagementVLANtoprovidemanagementconnectivity incaseofanaccidentalchangeinVLANmembership. NOTE:AllportsthataremembersofVLAN1(themanagementVLAN)will havemanagementaccesstotheswitcheventhoughthemanagementportis configuredasport1. SNMP EnableordisableSimpleNetworkManagementProtocol(SNMP).Ifenabled, theadministratorcanviewswitchdatausinganSNMPv1/v2cmanager.The switchsupportsread-onlyaccesstoalimitedsetofMIBs. Enable Specifyacommunitynameorusethedefaultname,public.CommunityName TheswitchsupportsthefollowingMIBs: •BRIDGE-MIB(IEEE802.1Q) •LLDP-MIB(IEEE802.3AB) •EtherLike-MIB •IF-MIB •RFC1213-MIB •RMON-MIB(RMONHistoryasinv1) 26NetworkSetup
ClickApplytosaveanychangesforthecurrentbootsession;thechangestakeeffectimmediately. theIPaddresstoitsfactory-defaultvalue.Amanualresettofactorydefaultsistheonlywayto accessaswitchwithouttheIPaddress. SimpleNetworkTimeProtocol TheHP1810seriesswitchsoftwaresupportstheSimpleNetworkTimeProtocol(SNTP).SNTP ensuresaccuratenetworkdeviceclocktimesynchronizationuptothemillisecond.Time synchronizationisperformedbyanetworkSNTPserver.ThesoftwareoperatesonlyasanSNTP clientandcannotprovidetimeservicestoothersystems. TheSNTPserverportof123isusedbydefault.Alogmessageisgeneratedwhentheconfigured SNTPserverisunreachable. NOTE:SNTPacquirestheCoordinatedUniversalTime(UTC)fromanSNTPserver.Configure theTimeZone(see“TimeZone”(page28))andDaylightDavingTime(see“DaylightSavingTime” (page28))toconfiguretheoffsetsforyourlocaltimezone. TodisplaytheSNTPpage,clickNetworkSetup>SNTPinthenavigationpane. Figure16SNTPPage Table13SNTPfields DescriptionField SelecttoenableSNTPclientmode.CleartodisableSNTPclientmode.Whendisabled,the systemtimeincrementsfrom00:00:00,1Jan1970,whichissetatbootup. EnableSNTP SpecifytheIPaddressoftheSNTPservertosendrequeststo.SNTP/NTPServer Specifytheserver'sUDPporttolistenforresponses/broadcasts(range1–65535,default= 123). ServerPort Selecteither24-hour(“military”time)formator12-hour(standard)format.TimeFormat Lastupdatedateandtime(UTC)assignedbythisserver.LastUpdate ThenumberofrequestsmadetotheSNTPseversincetheswitchwasrebooted.Attempts ThestatusofthelastupdaterequesttotheSNTPserver.LastUpdateStatus ThenumberoffailedSNTPrequestsmadetothisserversincelastreboot.Failures •ClickApplytosaveanychangesforthecurrentbootsession;thechangestakeeffect immediately. •ClicktheRefreshlinkabovethepagetore-displaythepagewithcurrentsettingsfromthe switch. Toviewasummaryofclockinformation,clickStatus>Clockinthenavigationpane. SimpleNetworkTimeProtocol27
TimeZone TheTimeZonepageisusedtoconfigureyourlocaltimezone.Theswitchmustbeconfiguredto acquirethetimefromanSNTPserver.Anacronymcanalsobeassignedtoaselectedtimezone. Notimezoneisconfiguredbydefault. TodisplaytheTimeZonepage,clickNetworkSetup>TimeZoneinthenavigationpane. Figure17TimeZonePage Table14TimeZoneFields DescriptionField Selectthetimezoneforyourlocation.TimeZone Specifyanacronymforthetimezone.Acronym •ClickApplytosaveanychangesforthecurrentbootsession;thechangestakeeffect immediately. •ClicktheRefreshlinkabovethepagetore-displaythepagewithcurrentsettingsfromthe switch. Toviewasummaryofclockandtimezoneinformation,clickStatus>Clockinthenavigationpane. DaylightSavingTime TheDaylightSavingTimepageisusedtoconfigureifandwhenDaylightSavingTime(DST)occurs foryourtimezone.Whenconfigured,thesystemtimewilladjustautomaticallyduringDaylight SavingTime. TodisplaytheDaylightSavingTimepage,clickNetworkSetup>DaylightSavingTimeinthe navigationpane. ThepagedisplaysdifferentlydependingonthemodeselectedintheDaylightSavingTimefield. Inthefollowingfigure,themodeissettoRecurring. 28NetworkSetup
Figure18DaylightSavingTimepage Table15DaylightSavingTimeFields DescriptionField SelecthowDSTwilloperate:DaylightSavingTime •Disabled—NoclockadjustmentwillbemadeforDST. •Recurring—Thesettingswillbeineffectfortheupcomingperiodandsubsequent years. •Non-Recurring—Thesettingswillbeineffectforonlyoneperiod(i.e.,theywillnot carryforwardtosubsequentyears). SetthefollowingtoindicatewhenthechangetoDSToccursandwhenitends.StartTimesettings/EndTime settingsWhenRecurringisselectedastheDSTmode,thefollowingfieldsdisplay: •Week—Settheweekofthemonth,from1to5,whenthechangeto/fromDST occurs. •Day—Setthedayoftheweekwhenthechangeto/fromDSToccurs. •Month—Setthemonthwhenthechangeto/fromDSToccurs. •Hours—Setthehourofthedaywhenthechangeto/fromDSToccurs. •Minutes—Settheminutesinthehourwhenthechangeto/fromDSToccurs. WhenNon-RecurringisselectedastheDSTmode,thefollowingfieldsdisplay: •Month—Setthemonthwhenthechangeto/fromDSToccurs. •Date—Setthedayofthemonthwhenthechangeto/fromDSToccurs. •Year—Settheyearinwhichthesesettingswilltakeeffect. •Hours—Setthehourofthedaywhenthechangeto/fromDSToccurs. •Minutes—Settheminutesinthehourwhenthechangeto/fromDSToccurs. SpecifythetimeamountoftimeinminutestoadvancetheclockduringDST.Offset •ClickApplytosaveanychangesforthecurrentbootsession;thechangestakeeffect immediately. •ClicktheRefreshlinkabovethepagetore-displaythepagewithcurrentsettingsfromthe switch. DaylightSavingTime29
ToviewasummaryofclockandDSTinformation,clickStatus>Clockinthenavigationpane. 30NetworkSetup