Cisco 2960 X Owners Manual
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DescriptionCommand
Displaysinformationaboutaspecificneighbor.
Youcanenteranasterisk(*)todisplayallCDPneighbors,or
youcanenterthenameoftheneighboraboutwhichyouwant
information.
Youcanalsolimitthedisplaytoinformationabouttheprotocols
enabledonthespecifiedneighbororinformationabouttheversion
ofsoftwarerunningonthedevice.
showcdpentryentry-name[version]
[protocol]
DisplaysinformationaboutinterfaceswhereCDPisenabled.
Youcanlimitthedisplaytotheinterfaceaboutwhichyouwant
information....](http://img.usermanuals.tech/thumb/17/102385/w300_2960-x-owners-manual-1511197621_d-50.png "Page 51
DescriptionCommand
Displaysinformationaboutaspecificneighbor.
Youcanenteranasterisk(*)todisplayallCDPneighbors,or
youcanenterthenameoftheneighboraboutwhichyouwant
information.
Youcanalsolimitthedisplaytoinformationabouttheprotocols
enabledonthespecifiedneighbororinformationabouttheversion
ofsoftwarerunningonthedevice.
showcdpentryentry-name[version]
[protocol]
DisplaysinformationaboutinterfaceswhereCDPisenabled.
Youcanlimitthedisplaytotheinterfaceaboutwhichyouwant
information....")
DescriptionCommand Displaysinformationaboutaspecificneighbor. Youcanenteranasterisk(*)todisplayallCDPneighbors,or youcanenterthenameoftheneighboraboutwhichyouwant information. Youcanalsolimitthedisplaytoinformationabouttheprotocols enabledonthespecifiedneighbororinformationabouttheversion ofsoftwarerunningonthedevice. showcdpentryentry-name[version] [protocol] DisplaysinformationaboutinterfaceswhereCDPisenabled. Youcanlimitthedisplaytotheinterfaceaboutwhichyouwant information....
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Technical Assistance LinkDescription http://www.cisco.com/supportTheCiscoSupportwebsiteprovidesextensiveonline resources,includingdocumentationandtoolsfor troubleshootingandresolvingtechnicalissueswith Ciscoproductsandtechnologies. Toreceivesecurityandtechnicalinformationabout yourproducts,youcansubscribetovariousservices, suchastheProductAlertTool(accessedfromField Notices),theCiscoTechnicalServicesNewsletter, andReallySimpleSyndication(RSS)Feeds. AccesstomosttoolsontheCiscoSupportwebsite...
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CHAPTER 4 Configuring Simple Network Management Protocol ThischapterdescribestheSimpleNetworkManagementProtocol(SNMP)configuration. •FindingFeatureInformation,page43 •PrerequisitesforSNMP,page43 •RestrictionsforSNMP,page46 •InformationAboutSNMP,page46 •HowtoConfigureSNMP,page50 •MonitoringSNMPStatus,page62 •SNMPExamples,page63 •FeatureHistoryandInformationforSimpleNetworkManagementProtocol,page64 Finding Feature Information...
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•SNMPv2CreplacestheParty-basedAdministrativeandSecurityFrameworkofSNMPv2Classicwith thecommunity-string-basedAdministrativeFrameworkofSNMPv2Cwhileretainingthebulkretrieval andimprovederrorhandlingofSNMPv2Classic.Ithasthesefeatures: ◦SNMPv2—Version2oftheSimpleNetworkManagementProtocol,aDraftInternetStandard, definedinRFCs1902through1907. ◦SNMPv2C—Thecommunity-string-basedAdministrativeFrameworkforSNMPv2,anExperimental InternetProtocoldefinedinRFC1901....
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ResultEncryptionAuthenticationLevelModel Usesausername matchfor authentication. NoUsernamenoAuthNoPrivSNMPv3 Provides authenticationbased ontheHMAC-MD5 orHMAC-SHA algorithms. NoMessageDigest5 (MD5)orSecure HashAlgorithm (SHA) authNoPrivSNMPv3 Provides authenticationbased ontheHMAC-MD5 orHMAC-SHA algorithms. Allowsspecifying theUser-based SecurityModel (USM)withthese encryption algorithms: •DES56-bit encryptionin additionto authentication basedonthe CBC-DES (DES-56) standard. •3DES168-bit encryption...
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Restrictions for SNMP Version Restrictions •SNMPv1doesnotsupportinforms. Information About SNMP SNMP Overview SNMPisanapplication-layerprotocolthatprovidesamessageformatforcommunicationbetweenmanagers andagents.TheSNMPsystemconsistsofanSNMPmanager,anSNMPagent,andamanagementinformation base(MIB).TheSNMPmanagercanbepartofanetworkmanagementsystem(NMS)suchasCiscoPrime Infrastructure.TheagentandMIBresideontheswitch.ToconfigureSNMPontheswitch,youdefinethe relationshipbetweenthemanagerandtheagent....
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DescriptionOperation Storesavalueinaspecificvariable.set-request AnunsolicitedmessagesentbyanSNMPagenttoanSNMPmanagerwhensomeevent hasoccurred. trap 2Withthisoperation,anSNMPmanagerdoesnotneedtoknowtheexactvariablename.Asequentialsearchisperformedtofindtheneededvariablefromwithinatable.3Theget-bulkcommandonlyworkswithSNMPv2orlater. SNMP Agent Functions TheSNMPagentrespondstoSNMPmanagerrequestsasfollows: •GetaMIBvariable—TheSNMPagentbeginsthisfunctioninresponsetoarequestfromtheNMS.The...
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internetworkingproblems,increasenetworkperformance,verifytheconfigurationofdevices,monitortraffic loads,andmore. Asshowninthefigure,theSNMPagentgathersdatafromtheMIB.Theagentcansendtraps,ornotification ofcertainevents,totheSNMPmanager,whichreceivesandprocessesthetraps.TrapsalerttheSNMPmanager toaconditiononthenetworksuchasimproperuserauthentication,restarts,linkstatus(upordown),MAC addresstracking,andsoforth.TheSNMPagentalsorespondstoMIB-relatedqueriessentbytheSNMP...
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Table 9: ifIndex Values ifIndex RangeInterface Type 1–4999SVI4 5001–5048EtherChannel 5078–5142Tunnel 10000–14500Physical(suchasGigabitEthernetorSFP5-moduleinterfaces)basedontypeand portnumbers 14501Null 24567+LoopbackandTunnel 4SVI=switchvirtualinterface5SFP=smallform-factorpluggable Default SNMP Configuration Default SettingFeature Disabled6.SNMPagent Noneconfigured.SNMPtrapreceiver NoneenabledexceptthetrapforTCPconnections(tty).SNMPtraps Ifnoversionkeywordispresent,thedefaultisVersion1.SNMPversion...
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•Toconfigurearemoteuser,specifytheIPaddressorportnumberfortheremoteSNMPagentofthe devicewheretheuserresides. •Beforeyouconfigureremoteusersforaparticularagent,configuretheSNMPengineID,usingthe snmp-serverengineIDglobalconfigurationcommandwiththeremoteoption.Theremoteagent's SNMPengineIDanduserpasswordareusedtocomputetheauthenticationandprivacydigests.Ifyou donotconfiguretheremoteengineIDfirst,theconfigurationcommandfails....