iscli—industry standard cli command...
TRANSCRIPT
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LenovoRackSwitchG8272
ISCLIIndustryStandardCLICommandReferenceForNetworkingOS8.2
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Note:Beforeusingthisinformationandtheproductitsupports,readthegeneralinformationintheSafetyinformationandEnvironmentalNoticesandUserGuidedocumentsontheLenovoDocumentationCDandtheWarrantyInformationdocumentthatcomeswiththeproduct.
FirstEdition(April2015)CopyrightLenovo2015PortionsCopyrightIBMCorporation2014.LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServicesAdministrationGSAcontract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.GS35F05925.LenovoandtheLenovologoaretrademarksofLenovointheUnitedStates,othercountries,orboth.
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ContentsPreface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15WhoShouldUseThisBook .......................16HowThisBookIsOrganized .......................17TypographicConventions ........................18
Chapter 1. ISCLI Basics . . . . . . . . . . . . . . . . . . . . . 21ISCLICommandModes.........................22GlobalCommands ...........................26CommandLineInterfaceShortcuts....................29
CLIListandRangeInputs......................29CommandAbbreviation .......................29TabCompletion...........................29
UserAccessLevels ...........................30IdleTimeout ..............................31
Chapter 2. Information Commands . . . . . . . . . . . . . . . . 33SystemInformation...........................34
CLIDisplayInformation.......................35ErrorDisableandRecoveryInformation ................36SNMPv3SystemInformation .....................37
SNMPv3USMUserTableInformation ...............38SNMPv3ViewTableInformation .................39SNMPv3AccessTableInformation ................40SNMPv3GroupTableInformation.................41SNMPv3CommunityTableInformation..............41SNMPv3TargetAddressTableInformation .............42SNMPv3TargetParametersTableInformation ...........43SNMPv3NotifyTableInformation.................43SNMPv3DumpInformation...................44
GeneralSystemInformation .....................45ShowSpecificSystemInformation.................46
ShowRecentSyslogMessages ....................47UserStatus .............................48
Layer2Information ...........................49802.1XInformation .........................52FDBInformation ..........................54
FDBMulticastInformation....................55ShowAllFDBInformation....................56ClearingEntriesfromtheForwardingDatabase ...........56
LinkAggregationControlProtocolInformation .............57LinkAggregationControlProtocol ................58
Layer2FailoverInformation .....................59Layer2FailoverInformation ...................60
HotLinksInformation ........................61LLDPInformation..........................62
LLDPRemoteDeviceInformation .................63UnidirectionalLinkDetectionInformation ...............64
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UDLDPortInformation ..................... 64802.1xDiscoveryInformation..................... 65
802.1xPortInformation ..................... 65OAMDiscoveryInformation..................... 66
OAMPortInformation...................... 66vLAGInformation......................... 67vLAGTrunkInformation...................... 68SpanningTreeInformation...................... 69PVRSTInformation ......................... 71SpanningTreeBridgeInformation .................. 73SpanningTreeRootInformation ................... 74MultipleSpanningTreeInformation ................. 75TrunkGroupInformation ...................... 77VLANInformation ......................... 78
Layer3Information........................... 80IPRoutingInformation ....................... 84
ShowAllIPRouteInformation.................. 85ARPInformation .......................... 87
ARPAddressListInformation.................. 88ShowAllARPEntryInformation ................. 88
BGPInformation.......................... 89BGPPeerInformation...................... 90BGPGroupInformation..................... 91BGPSummaryInformation .................... 92DumpBGPInformation ..................... 92
OSPFInformation.......................... 93OSPFGeneralInformation.................... 95OSPFInterfaceInformation .................... 95OSPFLoopbackInformation ................... 96OSPFInformationRouteCodes .................. 96OSPFDatabaseInformation ................... 97
OSPFv3Information ........................ 99OSPFv3InformationDump................... 101OSPFv3InterfaceInformation.................. 101OSPFv3DatabaseInformation ................. 102OSPFv3RouteCodesInformation................ 103
RoutingInformationProtocol ................... 104RIPRoutesInformation.................... 105RIPInterfaceInformation ................... 105
IPv6RoutingInformation ..................... 106IPv6RoutingTableInformation ................. 107
IPv6NeighborCacheInformation.................. 108IPv6NeighborCacheInformation................ 108
IPv6NeighborDiscoveryPrefixInformation ............. 109ECMPStaticRouteInformation................... 110IGMPInformation ........................ 111
IGMPQuerierInformation ................... 113IGMPGroupInformation ................... 114IGMPMulticastRouterInformation ............... 114IPMCGroupInformation ................... 115
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MLDInformation .........................116VRRPInformation ........................118InterfaceInformation.......................120IPv6InterfaceInformation.....................121IPv6PathMTUInformation....................122IPInformation ..........................123IKEv2Information ........................125
IKEv2InformationDump....................126IPSecurityInformation ......................127
IPsecManualPolicyInformation ................128DHCPSnoopingBindingTableInformation.............129PIMInformation.........................130
PIMComponentInformation ..................131PIMInterfaceInformation ...................131PIMNeighborInformation ...................132PIMMulticastRouteInformationCommands...........133PIMMulticastRouteInformation ................134
QualityofServiceInformation.....................135802.1pInformation........................136WREDandECNInformation....................137
AccessControlListInformation ....................138AccessControlListInformation ...................139AccessControlIPv6ListInformation ................141
NATInformation ...........................142NATStatusInformation ......................142NATTranslationsInformation ...................143
OpenFlowInformation........................144OpenFlowGlobalConfigurationInformation.............145OpenFlowFlowAllocationInformation ...............147OpenFlowGroupInformation ...................149OpenFlowConfigurationInformation ................150OpenFlowTableInformation....................152
RMONInformationCommands ....................154RMONHistoryInformation....................155RMONAlarmInformation .....................156RMONEventInformation .....................157
LinkStatusInformation ........................158PortInformation ...........................159PortTransceiverStatus........................160VMReadyInformation ........................162
VMInformation .........................163VMCheckInformation ......................164VMwareInformation.......................164
VMwareHostInformation ...................165EVBInformation...........................166UFPInformation...........................167
PortInformation.........................169CDCPInformation ........................169QoSInformation.........................170TLVStatusInformation......................170
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VirtualPortInformation...................... 171VLANInformation ........................ 172TLVInformation......................... 173
ConvergedEnhancedEthernetInformation ............... 175DCBXInformation........................ 176DCBXControlInformation..................... 177DCBXFeatureInformation ..................... 178DCBXETSInformation...................... 179DCBXPFCInformation ...................... 181DCBXApplicationProtocolInformation............... 182ETSInformation......................... 184PFCInformation ......................... 185
FCoEInitializationProtocolSnoopingInformation............ 186FIPSnoopingFCoEForwarderInformation ............. 186
FCoEForwarderInformation ..................... 188FabricLoginDatabaseInformation ................. 190FibreChannelNameServerDatabaseInformation .......... 190FabricDeviceManagementInterfaceDatabaseInformation ...... 191RegisteredStateChangeNotificationInformation ........... 192ZoneInformation ......................... 192
PythonScriptingInformation ..................... 193SchedulerJobInformation ..................... 194
InformationDump .......................... 196
Chapter 3. Statistics Commands . . . . . . . . . . . . . . . . . 197PortStatistics ............................ 198
802.1XAuthenticatorStatistics ................... 201802.1XAuthenticatorDiagnostics .................. 202BootStrapProtocolRelayStatistics ................. 205BridgingStatistics......................... 206EthernetStatistics ......................... 207InterfaceStatistics......................... 210InterfaceProtocolStatistics ..................... 213LinkStatistics .......................... 213RMONStatistics ......................... 214QoSQueueCounterBasedStatistics................. 217QoSQueueRateBasedStatistics .................. 219
TrunkGroupStatistics ........................ 221Layer2Statistics ........................... 222
FDBStatistics........................... 224LACPStatistics.......................... 225HotlinksStatistics ......................... 226LLDPPortStatistics ........................ 227OAMStatistics .......................... 228vLAGStatistics .......................... 229
vLAGISLStatistics ...................... 230Layer3Statistics ........................... 231
IPv4Statistics .......................... 236IPv6Statistics .......................... 238
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IPv4RouteStatistics ........................243IPv6RouteStatistics ........................244ARPstatistics ...........................245DNSStatistics ..........................246ICMPStatistics..........................247TCPStatistics ...........................249UDPStatistics ..........................251IGMPStatistics ..........................252MLDStatistics..........................254
MLDGlobalStatistics.....................255OSPFStatistics ..........................257
OSPFGlobalStatistics .....................258OSPFv3Statistics.........................262
OSPFv3GlobalStatistics ....................263VRRPStatistics ..........................267PIMStatistics ...........................268RoutingInformationProtocolStatistics................269DHCPStatistics ..........................270
DHCPSnoopingStatistics ...................270OpenFlowStatistics ..........................271ManagementProcessorStatistics....................287
MPPacketStatisticsCommands...................288MPPacketStatistics ........................289LoggedPacketStatistics ......................293TCPStatistics ...........................297UDPStatistics ..........................298CPUStatistics...........................299CPUStatisticsHistory .......................300
QoSStatistics.............................301AccessControlListStatistics ......................303
ACLStatistics...........................304VMAPStatistics..........................304
FCoEInitializationProtocolSnoopingStatistics ..............305FCoEForwarderStatistics.......................306SNMPStatistics ...........................308NTPStatistics ............................312PTPStatistics.............................314NATStatistics ............................315StatisticsDump............................316
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Chapter 4. Configuration Commands . . . . . . . . . . . . . . . 317ViewingandSavingChanges ..................... 319
SavingtheConfiguration ..................... 319SystemConfiguration ......................... 320
SystemErrorDisableandRecoveryConfiguration .......... 325LinkFlapDampeningConfiguration............... 326
SystemHostLogConfiguration................... 327SSHServerConfiguration ..................... 331RADIUSServerConfiguration ................... 333TACACS+ServerConfiguration .................. 335LDAPServerConfiguration .................... 340NTPServerConfiguration ..................... 342SystemSNMPConfiguration .................... 345SNMPv3Configuration ...................... 348
UserSecurityModelConfiguration ............... 350SNMPv3ViewConfiguration .................. 351ViewbasedAccessControlModelConfiguration......... 352SNMPv3GroupConfiguration ................. 353SNMPv3CommunityTableConfiguration ............ 354SNMPv3TargetAddressTableConfiguration........... 355SNMPv3TargetParametersTableConfiguration......... 356SNMPv3NotifyTableConfiguration .............. 357
SystemAccessConfiguration .................... 358ManagementNetworkConfiguration .............. 359NETCONFConfiguration ................... 361NETCONFoverSSHConfiguration ............... 361
UserAccessControlConfiguration ................. 362SystemUserIDConfiguration ................. 363StrongPasswordConfiguration................. 364HTTPSAccessConfiguration .................. 365
CustomDaylightSavingTimeConfiguration ............. 368sFlowConfiguration ....................... 369
sFlowPortConfiguration ................... 370ServerPortConfiguration ..................... 371
PortConfiguration.......................... 372PortErrorDisableandRecoveryConfiguration ............ 377
PortLinkFlapDampeningConfiguration ............ 377PortLinkConfiguration ...................... 378TemporarilyDisablingaPort .................... 378UniDirectionalLinkDetectionConfiguration ............. 379PortOAMConfiguration ..................... 380PortACLConfiguration ...................... 381PortWREDConfiguration ..................... 382
PortWREDTransmitQueueConfiguration ............ 383QualityofServiceConfiguration .................... 384
802.1pConfiguration ....................... 384DSCPConfiguration ....................... 385ControlPlaneProtection ...................... 386WeightedRandomEarlyDetectionConfiguration........... 388WREDTransmitQueueConfiguration................ 389
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AccessControlConfiguration .....................390AccessControlListConfiguration ..................391
ACLMirroringConfiguration ..................392EthernetFilteringConfiguration .................392IPv4FilteringConfiguration ..................394TCP/UDPFilteringConfiguration................395ACLMeteringConfiguration..................397ACLReMarkConfiguration ..................398
ACLIPv6Configuration ......................400IPv6FilteringConfiguration ..................401IPv6TCP/UDPFilteringConfiguration ..............402IPv6ReMarkConfiguration..................404IPv6MeteringConfiguration ..................406
ACLLogConfiguration ......................407ACLGroupConfiguration .....................408ManagementACLConfiguration..................409
MACLIPv4FilteringConfiguration ...............409MACLTCP/UDPFilteringConfiguration .............411
VMAPConfiguration .......................412PortMirroring............................418
PortMirroringConfiguration ....................418Layer2 Configuration .........................419
802.1XConfiguration.......................419802.1XGlobalConfiguration..................420802.1XGuestVLANConfiguration ...............422802.1XPortConfiguration ...................423
SpanningTreeConfiguration....................425MSTPConfiguration ......................428RSTP/PVRSTConfiguration...................431
ForwardingDatabaseConfiguration .................435StaticMulticastMACConfiguration ...............436StaticFDBConfiguration....................437
ECPConfiguration........................439LLDPConfiguration ........................440
LLDPPortConfiguration ....................441LLDPOptionalTLVconfiguration ................442
TrunkConfiguration .......................444TrunkHashConfiguration .....................445
Layer2TrunkHash......................446Layer3TrunkHash......................447
VirtualLinkAggregationGroupConfiguration ............448vLAGHealthCheckConfiguration ...............450vLAGISLConfiguration ....................451
LinkAggregationControlProtocolConfiguration...........452LACPPortConfiguration....................453
Layer2FailoverConfiguration...................455FailoverTriggerConfiguration.................455FailoverManualMonitorPortConfiguration ...........456FailoverManualMonitorControlConfiguration..........457
HotLinksConfiguration......................458HotLinksTriggerConfiguration ................459
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HotLinksMasterConfiguration................. 460HotLinksBackupConfiguration................ 461
VLANConfiguration ....................... 462ProtocolBasedVLANConfiguration .............. 463PrivateVLANConfiguration .................. 465FloodingVLANConfigurationMenu .............. 466
Layer3 Configuration......................... 467IPInterfaceConfiguration..................... 469IPv6NeighborDiscoveryConfiguration ............... 472DefaultGatewayConfiguration................... 475IPMulticastRouteConfiguration .................. 476ARPConfiguration........................ 477
ARPLocalProxyConfiguration ................. 477ARPStaticConfiguration.................... 478
IPForwardingConfiguration .................... 479NetworkAddressTranslationConfiguration ............. 480NetworkFilterConfiguration.................... 484RoutingMapConfiguration .................... 485
IPAccessListConfiguration .................. 488PolicyBasedRoutingConfiguration............... 489AutonomousSystemFilterPathConfiguration .......... 491
RoutingInformationProtocolConfiguration ............. 492RIPInterfaceConfiguration................... 493RIPRouteRedistributionConfiguration ............. 495
OpenShortestPathFirstConfiguration............... 496AreaIndexConfiguration ................... 497OSPFSummaryRangeConfiguration .............. 499OSPFInterfaceConfiguration .................. 500OSPFVirtualLinkConfiguration ................ 502OSPFHostEntryConfiguration ................. 504OSPFRouteRedistributionConfiguration............ 505OSPFMD5KeyConfiguration................. 505
OpenShortestPathFirstVersion3Configuration ........... 506OSPFv3AreaIndexConfiguration................ 508OSPFv3SummaryRangeConfiguration ............. 511OSPFv3ASExternalRangeConfiguration ............ 512OSPFv3InterfaceConfiguration................. 513OSPFv3overIPSecConfiguration ................ 516OSPFv3VirtualLinkConfiguration............... 518OSPFv3overIPSecforVirtualLinkConfiguration ......... 519OSPFv3HostEntryConfiguration ................ 520OSPFv3RedistributeEntryConfiguration............ 521OSPFv3RedistributeConfiguration............... 522
BorderGatewayProtocolConfiguration ............... 523BGPPeerConfiguration .................... 525BGPAggregationConfiguration ................ 528BGPNeighborRedistributionConfiguration ........... 529BGPPeeringGroupConfiguration ............... 530BGPNeighborGroupRedistributionConfiguration........ 534
IGMPConfiguration ....................... 536IGMPSnoopingConfiguration ................. 537
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IGMPv3Configuration .....................538IGMPRelayConfiguration...................539IGMPRelayMulticastRouterConfiguration ...........540IGMPStaticMulticastRouterConfiguration ...........541IGMPFilteringConfiguration..................542IGMPAdvancedConfiguration .................544IGMPQuerierConfiguration ..................545
IKEv2Configuration .......................548IKEv2PreshareKeyConfiguration................548IKEv2ProposalConfiguration..................549IKEv2IdentificationConfiguration ...............550
IPsecConfiguration ........................551IPsecTransformSetConfiguration ................551IPsecTrafficSelectorConfiguration ...............552IPsecDynamicPolicyConfiguration ...............553IPsecManualPolicyConfiguration ...............554
DomainNameSystemConfiguration................556BootstrapProtocolRelayConfiguration...............558
BOOTPRelayBroadcastDomainConfiguration ..........558Option82Configuration....................559
VRRPConfiguration........................560VirtualRouterConfiguration..................561VirtualRouterPriorityTrackingConfiguration ..........564VirtualRouterGroupConfiguration ...............565VRRPInterfaceConfiguration ..................568VRRPTrackingConfiguration..................569
ProtocolIndependentMulticastConfiguration ............570PIMComponentConfiguration.................571RPCandidateConfiguration..................572RPStaticConfiguration ....................572PIMInterfaceConfiguration ..................573
IPv6DefaultGatewayConfiguration ................576IPv6StaticRouteConfiguration ...................577IPv6NeighborDiscoveryCacheConfiguration............577IPv6PathMTUConfiguration ...................578IPv6NeighborDiscoveryPrefixConfiguration ............578IPv6PrefixPolicyTableConfiguration ................580IPLoopbackInterfaceConfiguration.................581DHCPSnooping .........................582
ConvergedEnhancedEthernetConfiguration ..............583ETSGlobalConfiguration.....................584
ETSGlobalPriorityGroupConfiguration .............584PriorityFlowControlConfiguration .................585
GlobalPriorityFlowControlConfiguration ............585802.1pPFCConfiguration ...................586
DCBXPortConfiguration .....................587FCoEInitializationProtocolSnoopingConfiguration...........588
FIPSPortConfiguration ......................589FCoEForwarderConfiguration .....................590
FCoEVLANConfiguration.....................591ZoneConfiguration ........................592
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ZonesetConfiguration....................... 593FCAliasConfiguration...................... 594
RemoteMonitoringConfiguration ................... 595RMONHistoryConfiguration ................... 595RMONEventConfiguration.................... 596RMONAlarmConfiguration .................... 597
VMReadyConfiguration ....................... 599VMPolicyBandwidthManagement ................. 600VMGroupConfiguration ..................... 601VMCheckConfiguration ..................... 604VMProfileConfiguration ..................... 605VMWareConfiguration...................... 607MiscellaneousVMreadyConfiguration............... 608
UFPConfiguration .......................... 609EdgeVirtualBridgeConfiguration................... 611
EdgeVirtualBridgeVSITypeDatabaseConfiguration......... 612EdgeVirtualBridgeVSITypeProfileConfiguration .......... 614
OpenFlowConfiguration ....................... 615StaticFlowsConfiguration..................... 625
PrecisionTimeProtocolConfiguration ................. 629MicroburstDetection ......................... 631ConfigurationDump......................... 632SavingtheActiveSwitchConfiguration ................. 633RestoringtheActiveSwitchConfiguration................ 634USBCopy.............................. 635
CopytoUSB ........................... 635CopyfromUSB.......................... 635
PythonScriptingConfiguration .................... 636PythonScriptsManagementandExecution ............. 636SchedulerJobsManagement .................... 638RunningJobMonitor ....................... 640
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Chapter 5. Operations Commands . . . . . . . . . . . . . . . . . 641OperationsLevelPortCommands ...................642OperationsLevelNATCommands ...................643OperationsLevelVRRPCommands...................644VMwareOperations .........................645VMwareDistributedVirtualSwitchOperations..............647
VMwareDistributedPortGroupOperations .............648EdgeVirtualBridgeOperations.....................649
Chapter 6. Boot Options . . . . . . . . . . . . . . . . . . . . . 651ScheduledRebootoftheSwitch.....................652NetbootConfiguration ........................653
MachineTypeModelConfiguration.................654USBBootConfiguration ........................655UpdatingtheSwitchSoftwareImage ..................656
LoadingNewSoftwaretoYourSwitch ................657SelectingaSoftwareImagetoRun..................658UploadingaSoftwareImagefromYourSwitch ............658
SelectingaConfigurationBlock.....................659SettinganEntitlementSerialNumber ..................660RebootingtheSwitch .........................661ChangingtheSwitchProfile ......................662UsingtheBootManagementMenu...................663
BootRecoveryMode .......................664RecoverfromaFailedImageUpgradeusingTFTP...........665RecoveringfromaFailedImageUpgradeusingXModemDownload ..667PhysicalPresence .........................669
Chapter 7. Maintenance Commands . . . . . . . . . . . . . . . . 671ForwardingDatabaseMaintenance ...................673DebuggingCommands ........................674IPsecDebugging...........................676BGPDebugging ...........................677BGPMaintenance...........................678DCBXMaintenance..........................679LLDPCacheManipulation .......................680ARPCacheMaintenance........................681IPRouteManipulation ........................682IGMPSnoopingMaintenance .....................683IGMPMulticastRoutersMaintenance ..................684IPv6NeighborCacheManipulation...................685IPv6RouteMaintenance ........................686FCoEForwarderMaintenance .....................687UuencodeFlashDump........................688TFTP,SFTPorFTPSystemDumpCopy .................689ClearingDumpInformation......................690UnscheduledSystemDumps ......................691
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Appendix A. Lenovo N/OS System Log Messages . . . . . . . . . . 693LOG_ALERT ............................ 694LOG_CRIT ............................. 698LOG_ERR.............................. 699LOG_INFO ............................. 702LOG_NOTICE ............................ 706LOG_WARNING.......................... 715
Appendix B. Getting help and technical assistance. . . . . . . . . . 719
Appendix C. Notices . . . . . . . . . . . . . . . . . . . . . . 721Trademarks............................. 723ImportantNotes........................... 724RecyclingInformation......................... 725ParticulateContamination ....................... 726TelecommunicationRegulatoryStatement................ 727ElectronicEmissionNotices ...................... 728
FederalCommunicationsCommission(FCC)Statement........ 728IndustryCanadaClassAEmissionComplianceStatement ....... 728AvisdeConformitlaRglementationdIndustrieCanada...... 728AustraliaandNewZealandClassAStatement ............ 728EuropeanUnionEMCDirectiveConformanceStatement........ 728GermanyClassAStatement .................... 729JapanVCCIClassAStatement................... 730JapanElectronicsandInformationTechnologyIndustriesAssociation(JEITA) Statement......................... 731KoreaCommunicationsCommission(KCC)Statement......... 731
RussiaElectromagneticInterference(EMI)ClassAstatement ....... 732PeoplesRepublicofChinaClassAelectronicemissionstatement...... 733TaiwanClassAcompliancestatement.................. 734
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 735
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PrefaceTheLenovoRackSwitchG8272ISCLIIndustryStandardCLICommandReferenceforNetworkingOS8.2describeshowtoconfigureandusetheLenovoN/OS8.2softwarewithyourRackSwitchG8272(referredtoasG8272throughoutthisdocument).Thisguidelistseachcommand,togetherwiththecompletesyntaxandafunctionaldescription,fromtheISCommandLineInterface(ISCLI).
Fordocumentationoninstallingtheswitchesphysically,seetheInstallationGuideforyourRackSwitchG8272.FordetailsaboutconfigurationandoperationofyourG8272,seetheLenovoN/OS8.2ApplicationGuide.
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Who Should Use This BookThisbookisintendedfornetworkinstallersandsystemadministratorsengagedinconfiguringandmaintaininganetwork.TheadministratorshouldbefamiliarwithEthernetconcepts,IPaddressing,SpanningTreeProtocolandSNMPconfigurationparameters.
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How This Book Is OrganizedChapter 1,ISCLIBasics,describeshowtoconnecttotheswitchandaccesstheinformationandconfigurationcommands.Thischapterprovidesanoverviewofthecommandsyntax,includingcommandmodes,globalcommands,andshortcuts.
Chapter 2,InformationCommands,showshowtoviewswitchconfigurationparameters.
Chapter 3,StatisticsCommands,showshowtoviewswitchperformancestatistics.
Chapter 4,ConfigurationCommands,showshowtoconfigureswitchsystemparameters,ports,VLANs,SpanningTreeProtocol,SNMP,PortMirroring,PortTrunking,andmore.
Chapter 5,OperationsCommands,showshowtousecommandswhichaffectswitchperformanceimmediately,butdonotalterpermanentswitchconfigurations(suchastemporarilydisablingports).Thecommandsdescribehowtoactivateordeactivateoptionalsoftwarefeatures.
Chapter 6,BootOptions,describestheuseoftheprimaryandalternateswitchimages,howtoloadanewsoftwareimageandhowtoresetthesoftwaretofactorydefaults.
Chapter 7,MaintenanceCommands,showshowtogenerateandaccessadumpofcriticalswitchstateinformation,howtoclearit,andhowtoclearpartoralloftheforwardingdatabase.
AppendixA,LenovoN/OSSystemLogMessages,showsalistingofsyslogmessages.
AppendixB,Gettinghelpandtechnicalassistance,liststheresourcesavailablefromLenovotoassistyou.
AppendixC,Notices,displaysLenovolegalinformation.
Indexincludespointerstothedescriptionofthekeywordsusedthroughoutthebook.
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Typographic ConventionsThefollowingtabledescribesthetypographicstylesusedinthisbook.
Table 1. TypographicConventions
Typeface or Symbol Meaning
plainfixedwidthtext
Thistypeisusedfornamesofcommands,files,anddirectoriesusedwithinthetext.Forexample:
Viewthereadme.txtfile.
Italsodepictsonscreencomputeroutputandprompts.
boldfixedwidthtext
Thisboldtypeappearsincommandexamples.Itshowstextthatmustbetypedinexactlyasshown.Forexample:
showsysinfo
boldbodytext Thisboldtypeindicatesobjectssuchaswindownames,dialogboxnames,andicons,aswellasuserinterfaceobjectssuchasbuttons,andtabs.
italicizedbodytext Thisitalicizedtypeindicatesbooktitles,specialterms,orwordstobeemphasized.
anglebrackets Indicateavariabletoenterbasedonthedescriptioninsidethebrackets.Donottypethebracketswhenenteringthecommand.
Example:Ifthecommandsyntaxisping
youenterping192.32.10.12
braces{} Indicaterequiredelementsinsyntaxdescriptionswherethereismorethanoneoption.Youmustchooseonlyoneoftheoptions.Donottypethebraceswhenenteringthecommand.
Example:Ifthecommandsyntaxisshowportchannel{|hash|information}
youenter:show portchannel or
showportchannelhash
or
showportchannelinformation
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brackets[] Indicateoptionalelementsinsyntaxdescriptions.Donottypethebracketswhenenteringthecommand.
Example:Ifthecommandsyntaxisshowinterfaceip []youentershowinterfaceip
orshowinterfaceip
verticalline| Separateschoicesforcommandkeywordsandarguments.Enteronlyoneofthechoices.Donottypetheverticallinewhenenteringthecommand.
Example:Ifthecommandsyntaxisshowportchannel{|hash|information}
youmustenter:show portchannel or
showportchannelhash
or
showportchannelinformation
Table 1. TypographicConventions(continued)
Typeface or Symbol Meaning
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Chapter 1. ISCLI BasicsYourRackSwitchG8272isreadytoperformbasicswitchingfunctionsrightoutofthebox.Someofthemoreadvancedfeatures,however,requiresomeadministrativeconfigurationbeforetheycanbeusedeffectively.
ThisguidedescribestheindividualISCLIcommandsavailablefortheG8272.
TheISCLIprovidesadirectmethodforcollectingswitchinformationandperformingswitchconfiguration.Usingabasicterminal,theISCLIallowsyoutoviewinformationandstatisticsabouttheswitch,andtoperformanynecessaryconfiguration.
ThischapterexplainshowtoaccesstheISCommandLineInterface(ISCLI)fortheswitch.
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ISCLI Command Modes TheISCLIhasthreemajorcommandmodeslistedinorderofincreasingprivileges,asfollows:
UserEXECmodeThisistheinitialmodeofaccess.Bydefault,passwordcheckingisdisabledforthismode,onconsole.
PrivilegedEXECmodeThismodeisaccessedfromUserEXECmode.Thismodecanbeaccessedusingthefollowingcommand:enable
GlobalConfigurationmodeThismodeallowsyoutomakechangestotherunningconfiguration.Ifyousavetheconfiguration,thesettingssurviveareloadoftheG8272.SeveralsubmodescanbeaccessedfromtheGlobalConfigurationmode.Formoredetails,seeTable 2.Thismodecanbeaccessedusingthefollowingcommand:configureterminal
Eachmodeprovidesaspecificsetofcommands.Thecommandsetofahigherprivilegemodeisasupersetofalowerprivilegemodealllowerprivilegemodecommandsareaccessiblewhenusingahigherprivilegemode.
ThefollowingtableliststheISCLIcommandmodes.
Table 2. ISCLICommandModes
Command Mode/Prompt Command used to enter or exit
UserEXEC
G 8272>
Defaultmode,enteredautomaticallyonconsole
Exit:exitorlogout
PrivilegedEXEC
G 8272#
EnterPrivilegedEXECmode,fromUserEXECmode:enable
ExittoUserEXECmode:disable
QuitISCLI:exitorlogout
GlobalConfiguration
G 8272(config)#
EnterGlobalConfigurationmode,fromPrivilegedEXECmode:configureterminal
ExittoPrivilegedEXEC:endorexit
InterfaceIP
G 8272(configipif)#
EnterInterfaceIPConfigurationmode,fromGlobalConfigurationmode:interfaceip
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
Interfaceloopback
G 8272(configiploopback)#
EnterInterfaceLoopbackConfigurationmode,fromGlobalConfigurationmode:interfaceloopback
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
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Interfaceport
G 8272(configif)#
EnterPortConfigurationmode,fromGlobalConfigurationmode:interfaceport
ExittoPrivilegedEXECmode:exit
ExittoGlobalConfigurationmode:end
InterfacePortChannel
G 8272(configPortChannel)#
EnterPortChannel(trunkgroup)Configurationmode,fromGlobalConfigurationmode:interfaceportchannel{|lacp}
ExittoPrivilegedEXECmode:exit
ExittoGlobalConfigurationmode:end
VLAN
G 8272(configvlan)#
EnterVLANConfigurationmode,fromGlobalConfigurationmode:vlan
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
RouterOSPF
G 8272(configrouterospf)#
EnterOSPFConfigurationmode,fromGlobalConfigurationmode:routerospf
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
RouterOSPFv3
G 8272(configrouterospf3)#
EnterOSPFv3Configurationmode,fromGlobalConfigurationmode:ipv6routerospf
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
RouterBGP
G 8272(configrouterbgp)#
EnterBGPConfigurationmode,fromGlobalConfigurationmode:routerbgp
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
RouterRIP
G 8272(configrouterrip)#
EnterRIPConfigurationmode,fromGlobalConfigurationmode:routerrip
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
Table 2. ISCLICommandModes(continued)
Command Mode/Prompt Command used to enter or exit
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24 G8272 Command Reference for N/OS 8.2
RouteMap
G 8272(configroutemap)#
EnterRouteMapConfigurationmode,fromGlobalConfigurationmode:routemap
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
RouterVRRP
G 8272(configvrrp)#
EnterVRRPConfigurationmode,fromGlobalConfigurationmode:routervrrp
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
PIMComponent
G 8272(configippimcomp)#
EnterProtocolIndependentMulticast(PIM)ComponentConfigurationmode,fromGlobalConfigurationmode:ippimcomponent
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
IKEv2Proposal
G 8272(configikev2prop)#
EnterIKEv2ProposalConfigurationmode,fromGlobalConfigurationmode:ikev2proposal
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
MLDConfiguration
G 8272(configroutermld)#
EnterMulticastListenerDiscoveryProtocolConfigurationmode,fromGlobalConfigurationmode:ipv6mld
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
MSTConfiguration
G 8272(configmst)#
EnterMultipleSpanningTreeProtocolConfigurationmode,fromGlobalConfigurationmode:spanningtreemstconfiguration
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
OpenFlowInstance
G 8272(configopenflowinstance)#
EnterOpenFlowInstanceConfigurationmode,fromGlobalConfigurationmode:openflowinstance
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
Table 2. ISCLICommandModes(continued)
Command Mode/Prompt Command used to enter or exit
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Copyright Lenovo 2015 Chapter 1: ISCLI Basics 25
VSIDatabase
G 8272(confvsidb)#
EnterVirtualStationInterfaceDatabaseConfigurationmode,fromGlobalConfigurationmode:virtevbvsidb
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
EVBProfile
G 8272(confevbprof)#
EnterEdgeVirtualBridgingVSITypeProfileConfigurationmode,fromGlobalConfigurationmode:virtevbprofile
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
UFPVirtualPortConfiguration
G 8272(config_ufp_vport)#
EnterUnifiedFabricPortVirtualPortConfigurationmode,fromGlobalConfigurationmode:ufpportvport
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
SchedulerJob
G 8272(configjob)#
EnterPythonScriptingSchedulerJobConfigurationmode,fromGlobalConfigurationmode:schedulerjobname
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
FCZoneConfiguration
G 8272(configzone)#
EnterFibreChannelZoneConfigurationmode,fromGlobalConfigurationmode:zonenamevlan
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
FCZonesetConfiguration
G 8272(configzoneset)#
EnterFibreChannelZonesetConfigurationmode,fromGlobalConfigurationmode:zonesetnamevlan
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
FCAliasConfiguration
G 8272(configfcalias)#
EnterFibreChannelFCAliasConfigurationmode,fromGlobalConfigurationmode:fcaliasnamevlan
ExittoGlobalConfigurationmode:exit
ExittoPrivilegedEXECmode:end
Table 2. ISCLICommandModes(continued)
Command Mode/Prompt Command used to enter or exit
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26 G8272 Command Reference for N/OS 8.2
Global CommandsSomebasiccommandsarerecognizedthroughouttheISCLIcommandmodes.Thesecommandsareusefulforobtainingonlinehelp,navigatingthroughtheinterface,andforsavingconfigurationchanges.
Forhelponaspecificcommand,typethecommand,followedbyhelp.
Table 3. DescriptionofGlobalCommands
Command Action
? Providesmoreinformationaboutaspecificcommandorlistscommandsavailableatthecurrentlevel.
list Liststhecommandsavailableatthecurrentlevel.
exit Gouponelevelinthecommandmodestructure.Ifalreadyatthetoplevel,exitfromthecommandlineinterfaceandlogout.
copyrunningconfigstartupconfig
Writeconfigurationchangestononvolatileflashmemory.
logout Exitfromthecommandlineinterfaceandlogout.
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Copyright Lenovo 2015 Chapter 1: ISCLI Basics 27
ping Usethiscommandtoverifystationtostationconnectivityacrossthenetwork.Theformatisasfollows:
ping|[n][w][l][s][i][v][f][t][m|mgt|d|data]
Where: n:Setsthenumberofattempts(optional). w:Setsthenumberofmillisecondsbetween
attempts(optional). l:Setsthepingrequestpayloadsize
(optional). s:SetstheIPsourceaddressfortheIPpacket
(optional). i:SetstheTimetoliveintheIPheader. v:SetstheTypeofServicebitsintheIPheader. f:SetsthedontfragmentbitintheIPheader
(onlyforIPv4addresses). t:Pingscontinuously(sameasn0).
Bydefault,themormgtoptionformanagementportisused.Tousedataports,specifythedordataoption.
traceroute Usethiscommandtoidentifytherouteusedforstationtostationconnectivityacrossthenetwork.Theformatisasfollows:
traceroute|[[]][m|mgt|d|data]
Wherehostname/IPaddressisthehostnameorIPaddressofthetargetstation,maxhops(optional)isthemaximumdistancetotrace(132devices),andmsecdelay(optional)isthenumberofmillisecondstowaitfortheresponse.Bydefault,themormgtoptionformanagementportisused.Tousedataports,specifythedordataoption.
Aswithping,theDNSparametersmustbeconfiguredifspecifyinghostnames.
Table 3. DescriptionofGlobalCommands
Command Action
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telnet ThiscommandisusedtoformaTelnetsessionbetweentheswitchandanothernetworkdevice.Theformatisasfollows:
telnet{|}[]
WhereIPaddressorhostnamespecifiesthetargetstation.UseofahostnamerequiresDNSparameterstobeconfiguredontheswitch.
PortisthelogicalTelnetportorservicenumber.
Bydefault,themormgtoptionformanagementportisused.Tousedataports,specifythedordataoption.
showhistory Thiscommanddisplaysthelasttenissuedcommands.
showwho Displaysalistofuserswhoarecurrentlyloggedin.
showline Displaysalistofuserswhoarecurrentlyloggedin,intableformat.
Table 3. DescriptionofGlobalCommands
Command Action
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Copyright Lenovo 2015 Chapter 1: ISCLI Basics 29
Command Line Interface ShortcutsThefollowingshortcutsallowyoutoentercommandsquicklyandeasily.
CLI List and Range InputsForVLANandportcommandsthatallowanindividualitemtobeselectedfromwithinanumericrange,listsandrangesofitemscannowbespecified.Forexample,thevlancommandpermitsthefollowingoptions:
Thenumbersinarangemustbeseparatedbyadash:
Multiplerangesorlistitemsarepermittedusingacomma:,
Donotusespaceswithinlistandrangespecifications.
Rangescanalsobeusedtoapplythesamecommandoptiontomultipleitems.Forexample,toaccessmultipleportswithonecommand:
Command AbbreviationMostcommandscanbeabbreviatedbyenteringthefirstcharacterswhichdistinguishthecommandfromtheothersinthesamemode.Forexample,considerthefollowingfullcommandandavalidabbreviation:
or:
Tab CompletionByenteringthefirstletterofacommandatanypromptandpressing,theISCLIdisplaysallavailablecommandsoroptionsthatbeginwiththatletter.Enteringadditionallettersfurtherrefinesthelistofcommandsoroptionsdisplayed.Ifonlyonecommandfitstheinputtextwhenispressed,thatcommandissuppliedonthecommandline,waitingtobeentered.
Ifmultiplecommandssharethetypedcharacters,whenyoupress,theISCLIcompletesthecommonpartofthesharedsyntax.
G 8272(config)#vlan1,3,4094 (accessVLANs1,3,and4094)G 8272(config)#vlan120 (accessVLANs1through20)G 8272(config)#vlan15,9099,40904094(accessmultipleranges)G 8272(config)#vlan15,19,20,40904094(accessamixoflistsandranges)
G 8272(config)#interfaceport14 (Accessports1though4)
G 8272(config)#showmacaddresstableinterfaceport12
G 8272(config)#shmaip12
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30 G8272 Command Reference for N/OS 8.2
User Access LevelsToenablebetterswitchmanagementanduseraccountability,threelevelsorclassesofuseraccesshavebeenimplementedontheG8272.LevelsofaccesstoCLI,Webmanagementfunctions,andscreensincreaseasneededtoperformvariousswitchmanagementtasks.Conceptually,accessclassesaredefinedasfollows: user
InteractionwiththeswitchiscompletelypassivenothingcanbechangedontheG8272.Usersmaydisplayinformationthathasnosecurityorprivacyimplications,suchasswitchstatisticsandcurrentoperationalstateinformation.
operOperatorscanmaketemporarychangesontheG8272.Thesechangesarelostwhentheswitchisrebooted.Operatorshaveaccesstotheswitchmanagementfeaturesusedfordailyswitchoperations.Becauseanychangesanoperatormakesareundonebyarebootoftheswitch,operatorscannotseverelyimpactswitchoperation.
adminAdministratorsaretheonlyonesthatmaymakepermanentchangestotheswitchconfigurationchangesthatarepersistentacrossarebootoftheswitch.AdministratorscanaccessswitchfunctionstoconfigureandtroubleshootproblemsontheG8272.Becauseadministratorscanalsomaketemporary(operatorlevel)changesaswell,theymustbeawareoftheinteractionsbetweentemporaryandpermanentchanges.
Accesstoswitchfunctionsiscontrolledthroughtheuseofuniquesurnamesandpasswords.OnceyouareconnectedtotheswitchvialocalTelnet,remoteTelnet,orSSH,youarepromptedtoenterapassword.Thedefaultusernames/passwordforeachaccesslevelarelistedinthefollowingtable.Note: Itisrecommendedthatyouchangedefaultswitchpasswordsafterinitialconfigurationandasregularlyasrequiredunderyournetworksecuritypolicies.
Note: Withtheexceptionoftheadminuser,accesstoeachuserlevelcanbedisabledbysettingthepasswordtoanemptyvalue.
Table 4. UserAccessLevels
User Account Description and Tasks Performed Password
User TheUserhasnodirectresponsibilityforswitchmanagement.Heorshecanviewallswitchstatusinformationandstatistics,butcannotmakeanyconfigurationchangestotheswitch.
Operator TheOperatorcanmaketemporarychangesthatarelostwhentheswitchisrebooted.Operatorshaveaccesstotheswitchmanagementfeaturesusedfordailyswitchoperations.
Administrator
ThesuperuserAdministratorhascompleteaccesstoallcommandmodes,information,andconfigurationcommandsontheRackSwitchG8272,includingtheabilitytochangeboththeuserandadministratorpasswords.
admin
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Copyright Lenovo 2015 Chapter 1: ISCLI Basics 31
Idle TimeoutBydefault,theswitchwilldisconnectyourTelnetsessionaftertenminutesofinactivity.Thisfunctioniscontrolledbythefollowingcommand,whichcanbesetfrom1to60minutes,ordisabledwhensetto0:
systemidle
Commandmode:GlobalConfiguration
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Copyright Lenovo 2015 33
Chapter 2. Information CommandsYoucanviewconfigurationinformationfortheswitchinboththeuserandadministratorcommandmodes.Thischapterdiscusseshowtousethecommandlineinterfacetodisplayswitchinformation.
Table 5. InformationCommands
Command Syntax and Usage
showinterfacestatusDisplaysconfigurationinformationabouttheselectedport(s),including: Portaliasandnumber Portspeed Duplexmode(half,full,orauto) Flowcontrolfortransmitandreceive(no,yes,orboth) Linkstatus(up,down,ordisabled) PortdescriptionFordetails,seepage 158.Commandmode:All
showinterfacetrunkDisplaysportstatusinformation,including: Portaliasandnumber WhethertheportusesVLANTaggingornot PortVLANID(PVID) Portdescription VLANmembership FDBLearningstatus FloodingstatusFordetails,seepage 159.Commandmode:All
showinterfacetransceiver
Displaysthestatusoftheporttransceivermoduleoneachport.Fordetails,seepage 160.Commandmode:All
showinformationdump
Dumpsallswitchinformationavailable(10Kormore,dependingonyourconfiguration).Ifyouwanttocapturedumpdatatoafile,setyourcommunicationsoftwareonyourworkstationtocapturesessiondatapriortoissuingthedumpcommands.Commandmode:All
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34 G8272 Command Reference for N/OS 8.2
System InformationTheinformationprovidedbyeachcommandoptionisbrieflydescribedinthefollowingtable,withpointerstowheredetailedinformationcanbefound.
Table 6. SystemInformationOptions
Command Syntax and Usage
showsysinfo
Displayssysteminformation,including: Systemdateandtime Switchmodelnameandnumber Switchnameandlocation Timeoflastboot MACaddressoftheswitchmanagementprocessor IPaddressofmanagementinterface Hardwareversionandpartnumber Softwareimagefileandversionnumber Configurationname Loginbanner,ifoneisconfigured Internaltemperatures Fanstatus PowersupplystatusFordetails,seepage 45.Commandmode:All
showlogging[severity][reverse]Displaysthecurrentsyslogconfiguration,followedbythemostrecent2000syslogmessages,asdisplayedbytheshowloggingmessagescommand.Fordetails,seepage 47.Commandmode:All
showaccessuser
Displaysconfiguredusernamesandtheirstatus.Commandmode:AllexceptUserEXEC
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CLI Display InformationThesecommandsallowyoutodisplayinformationaboutthenumberoflinesperscreendisplayedintheCLI.
Table 7. CLIDisplayInformationOptions
Command Syntax and Usage
showterminallength
DisplaysthenumberoflinesperscreendisplayedintheCLIforthecurrentsession.Avalueof0meanspagingisdisabled.Commandmode:All
showlineconsolelength
DisplaysthenumberoflinesperscreendisplayedintheCLIbydefaultforconsolesessions.Avalueof0meanspagingisdisabled.Commandmode:All
showlinevtylength
DisplaysthenumberoflinesperscreendisplayedintheCLIbydefaultforTelnetandSSHsessions.Avalueof0meanspagingisdisabled.Commandmode:All
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Error Disable and Recovery InformationThesecommandsallowyoutodisplayinformationabouttheErrorDisableandRecoveryfeatureforinterfaceports.
Table 8. ErrorDisableInformationOptions
Command Syntax and Usage
showerrdisableinformation
DisplaysallErrorDisableandRecoveryinformation.Commandmode:All
showerrdisablelinkflap[information]
Displaysportsthathavebeendisabledduetoexcessivelinkflaps.Commandmode:All
showerrdisablerecovery
DisplaysalistportswiththeirErrorRecoverystatus.Commandmode:All
showerrdisabletimers
Displaysalistofactiverecoverytimers,ifapplicable.Commandmode:All
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SNMPv3 System InformationSNMPversion3(SNMPv3)isanextensibleSNMPFrameworkthatsupplementstheSNMPv2frameworkbysupportingthefollowing:
anewSNMPmessageformat
securityformessages
accesscontrol
remoteconfigurationofSNMPparameters
FormoredetailsontheSNMPv3architecturepleaserefertoRFC2271toRFC2276.
Table 9. SNMPv3InformationOptions
Command Syntax and Usage
showsnmpserverv3
DisplaysalltheSNMPv3information.Toviewasample,seepage 44.Commandmode:All
showsnmpserverv3access
DisplaysViewbasedAccessControlinformation.Toviewasample,seepage 40.Commandmode:All
showsnmpserverv3community
Displaysinformationaboutthecommunitytableinformation.Toviewasample,seepage 41.Commandmode:All
showsnmpserverv3group
Displaysinformationaboutthegroup,includingthesecuritymodel,usernameandgroupname.Toviewasample,seepage 41.Commandmode:All
showsnmpserverv3notify
DisplaystheNotifytableinformation.Toviewasample,seepage 43.Commandmode:All
showsnmpserverv3targetaddress
DisplaystheTargetAddresstableinformation.Toviewasample,seepage 42.Commandmode:All
showsnmpserverv3targetparameters
DisplaystheTargetparameterstableinformation.Toviewasample,seepage 43.Commandmode:All
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38 G8272 Command Reference for N/OS 8.2
SNMPv3 USM User Table InformationTheUserbasedSecurityModel(USM)inSNMPv3providessecurityservicessuchasauthenticationandprivacyofmessages.ThissecuritymodelmakesuseofadefinedsetofuseridentitiesdisplayedintheUSMusertable.ThefollowingcommanddisplaysSNMPv3userinformation:
showsnmpserverv3user
Commandmode:All
TheUSMusertablecontainsthefollowinginformation: theusername asecuritynameintheformofastringwhoseformatisindependentofthe
SecuityModel anauthenticationprotocol,whichisanindicationthatthemessagessenton
behalfoftheusercanbeauthenticated theprivacyprotocol
showsnmpserverv3user
DisplaysUserSecurityModel(USM)tableinformation.Toviewthetable,seepage 38.Commandmode:All
showsnmpserverv3view
Displaysinformationaboutview,subtrees,maskandtypeofview.Toviewasample,seepage 39.Commandmode:All
Table 9. SNMPv3InformationOptions(continued)
Command Syntax and Usage
EngineID=80:00:4F:4D:03:08:17:F4:8C:E8:00
usmUserTable:UserNameProtocoladminmd5HMAC_MD5,DESPRIVACYadminshaHMAC_SHA,DESPRIVACYv1v2onlyNOAUTH,NOPRIVACYadminshaaesHMAC_SHA,AESPRIVACY
Table 10. USMUserTableInformationParameters
Field Description
UserName Astringrepresentingtheusernameyoucanusetoaccesstheswitch.
Protocol Whethermessagessentfromthisuserareprotectedfromdisclosureusingaprivacyprotocol.LenovoN/OSsupportsDESalgorithmforprivacyandtwoauthenticationalgorithms:MD5andHMACSHA.
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SNMPv3 View Table InformationTheusercancontrolandrestricttheaccessallowedtoagrouptoonlyasubsetofthemanagementinformationinthemanagementdomainthatthegroupcanaccesswithineachcontextbyspecifyingthegroupsrightsintermsofaparticularMIBviewforsecurityreasons.
ThefollowingcommanddisplaystheSNMPv3ViewTable:
showsnmpserverv3view
Commandmode:All
ViewNameSubtreeMaskTypeiso1.3includedv1v2only1.3includedv1v2only1.3.6.1.6.3.15excludedv1v2only1.3.6.1.6.3.16excludedv1v2only1.3.6.1.6.3.18excluded
Table 11. SNMPv3ViewTableInformationParameters
Field Description
ViewName Displaysthenameoftheview.
Subtree DisplaystheMIBsubtreeasanOIDstring.AviewsubtreeisthesetofallMIBobjectinstanceswhichhaveacommonObjectIdentifierprefixtotheirnames.
Mask Displaysthebitmask.
Type DisplayswhetherafamilyofviewsubtreesisincludedorexcludedfromtheMIBview.
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40 G8272 Command Reference for N/OS 8.2
SNMPv3 Access Table InformationTheaccesscontrolsubsystemprovidesauthorizationservices.
ThevacmAccessTablemapsagroupname,securityinformation,acontext,andamessagetype,whichcouldbethereadorwritetypeofoperationornotificationintoaMIBview.
TheViewbasedAccessControlModeldefinesasetofservicesthatanapplicationcanuseforcheckingaccessrightsofagroup.Thisgroupsaccessrightsaredeterminedbyareadview,awriteviewandanotifyview.Thereadviewrepresentsthesetofobjectinstancesauthorizedforthegroupwhilereadingtheobjects.Thewriteviewrepresentsthesetofobjectinstancesauthorizedforthegroupwhenwritingobjects.Thenotifyviewrepresentsthesetofobjectinstancesauthorizedforthegroupwhensendinganotification.
ThefollowingcommanddisplaysSNMPv3accessinformation:
showsnmpserverv3access
Commandmode:All
GroupNameModelLevelReadVWriteVNotifyVv1v2grpsnmpv1noAuthNoPrivisoisov1v2onlyadmingrpusmauthPrivisoisoiso
Table 12. SNMPv3AccessTableInformation
Field Description
GroupName Displaysthenameofgroup.
Model Displaysthesecuritymodelused,forexample,SNMPv1,orSNMPv2orUSM.
Level Displaystheminimumlevelofsecurityrequiredtogainrightsofaccess.Forexample,noAuthNoPriv,authNoPriv,orauthPriv.
ReadV DisplaystheMIBviewtowhichthisentryauthorizesthereadaccess.
WriteV DisplaystheMIBviewtowhichthisentryauthorizesthewriteaccess.
NotifyV DisplaystheNotifyviewtowhichthisentryauthorizesthenotifyaccess.
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SNMPv3 Group Table InformationAgroupisacombinationofsecuritymodelandsecuritynamethatdefinestheaccessrightsassignedtoallthesecuritynamesbelongingtothatgroup.Thegroupisidentifiedbyagroupname.
ThefollowingcommanddisplaysSNMPv3groupinformation:
showsnmpserverv3group
Commandmode:All
SNMPv3 Community Table InformationThefollowingcommanddisplaystheSNMPv3communitytableinformationstoredintheSNMPengine:
showsnmpserverv3community
Commandmode:All
AllactiveSNMPv3groupsarelistedbelow:SecModelUserNameGroupNamesnmpv1v1v2onlyv1v2grpusmadminmd5admingrpusmadminshaadmingrpusmadminshaaesadmingrp
Table 13. SNMPv3GroupTableInformationParameters
Field Description
SecModel Displaysthesecuritymodelused,whichisanyoneof:USM,SNMPv1,SNMPv2,andSNMPv3.
UserName Displaysthenameforthegroup.
GroupName Displaystheaccessnameofthegroup.
IndexNameUserNameTagtrap1publicv1v2onlyv1v2trap
Table 14. SNMPv3CommunityTableInformationParameters
Field Description
Index Displaystheuniqueindexvalueofarowinthistable
Name Displaysthecommunitystring,whichrepresentstheconfiguration.
UserName DisplaystheUserSecurityModel(USM)username.
Tag Displaysthecommunitytag.ThistagspecifiesasetoftransportendpointsfromwhichacommandresponderapplicationacceptsmanagementrequestsandtowhichacommandresponderapplicationsendsanSNMPtrap.
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42 G8272 Command Reference for N/OS 8.2
SNMPv3 Target Address Table InformationThefollowingcommanddisplaysSNMPv3targetaddressinformationstoredintheSNMPengine:
showsnmpserverv3targetaddress
Commandmode:All
NameTransportAddrPortTaglistParamstrap147.81.25.66162v1v2trapv1v2param
Table 15. SNMPv3TargetAddressTableInformationParameters
Field Description
Name Displaysthelocallyarbitrary,butuniqueidentifierassociatedwiththissnmpTargetAddrEntry.
TransportAddr
Displaysthetransportaddresses.
Port DisplaystheSNMPUDPportnumber.
Taglist ThiscolumncontainsalistoftagvalueswhichareusedtoselecttargetaddressesforaparticularSNMPmessage.
Params ThevalueofthisobjectidentifiesanentryinthesnmpTargetParamsTable.TheidentifiedentrycontainsSNMPparameterstobeusedwhengeneratingmessagestobesenttothistransportaddress.
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SNMPv3 Target Parameters Table InformationThefollowingcommanddisplaysSNMPv3targetparametersinformation:
showsnmpserverv3targetparameters
Commandmode:All
SNMPv3 Notify Table InformationThefollowingcommanddisplaystheSNMPv3NotifyTable:
showsnmpserverv3notify
Commandmode:All
NameMPModelUserNameSecModelSecLevelv1v2paramsnmpv2cv1v2onlysnmpv1noAuthNoPriv
Table 16. SNMPv3TargetParametersTableInformation
Field Description
Name Displaysthelocallyarbitrary,butuniqueidentifierassociatedwiththissnmpTargeParamsEntry.
MPModel DisplaystheMessageProcessingModelusedwhengeneratingSNMPmessagesusingthisentry.
UserName DisplaysthesecurityName,whichidentifiestheentryonwhosebehalfSNMPmessageswillbegeneratedusingthisentry.
SecModel DisplaysthesecuritymodelusedwhengeneratingSNMPmessagesusingthisentry.ThesystemmaychoosetoreturnaninconsistentValueerrorifanattemptismadetosetthisvariabletoavalueforasecuritymodelthesystemdoesnotsupport.
SecLevel DisplaysthelevelofsecurityusedwhengeneratingSNMPmessagesusingthisentry.
NameTagv1v2trapv1v2trap
Table 17. SNMPv3NotifyTableInformation
Field Description
Name Thelocallyarbitrary,butuniqueidentifierassociatedwiththissnmpNotifyEntry.
Tag ThisrepresentsasingletagvaluewhichisusedtoselectentriesinthesnmpTargetAddrTable.AnyentryinthesnmpTargetAddrTablethatcontainsatagvalueequaltothevalueofthisentry,isselected.Ifthisentrycontainsavalueofzerolength,noentriesareselected.
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44 G8272 Command Reference for N/OS 8.2
SNMPv3 Dump InformationThefollowingcommanddisplaysSNMPv3information:
showsnmpserverv3
Commandmode:All
EngineID=80:00:4F:4D:03:08:17:F4:8C:E8:00
usmUserTable:UserNameProtocoladminmd5HMAC_MD5,DESPRIVACYadminshaHMAC_SHA,DESPRIVACYv1v2onlyNOAUTH,NOPRIVACYadminshaaesHMAC_SHA,AESPRIVACY
vacmAccessTable:GroupNameModelLevelReadVWriteVNotifyVv1v2grpsnmpv1noAuthNoPrivisoisov1v2onlyadmingrpusmauthPrivisoisoiso
vacmViewTreeFamilyTable:ViewNameSubtreeMaskTypeiso1includedv1v2only1includedv1v2only1.3.6.1.6.3.15excludedv1v2only1.3.6.1.6.3.16excludedv1v2only1.3.6.1.6.3.18excluded
vacmSecurityToGroupTable:AllactiveSNMPv3groupsarelistedbelow:SecModelUserNameGroupNamesnmpv1v1v2onlyv1v2grpusmadminmd5admingrpusmadminshaadmingrpusmadminshaaesadmingrp
snmpCommunityTable:IndexNameUserNameTagtrap1publicv1v2onlyv1v2trap
snmpNotifyTable:NameTagv1v2trapv1v2trap
snmpTargetAddrTable:NameTransportAddrPortTaglistParamstrap147.81.25.66162v1v2trapv1v2param
snmpTargetParamsTable:NameMPModelUserNameSecModelSecLevelv1v2paramsnmpv2cv1v2onlysnmpv1noAuthNoPriv
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General System InformationThefollowingcommanddisplayssysteminformation:
showsysinfo
Commandmode:All
SystemInformationat3:49:06SunJun23,2014Timezone:NotimezoneconfiguredDaylightSavingsTimeStatus:Disabled
LenovoRackSwitchG8272
Switchhasbeenupfor4days,3hours,24minutesand45seconds.Lastboot:0:25:13WedJun19,2014(resetfromconsole)
MACaddress:a8:97:dc:dd:ed:00IP(If1)address:192.168.49.50ManagementPortMACAddress:a8:97:dc:dd:ed:feManagementPortIPAddress(if128):10.241.31.134HardwareRevision:0HardwarePartNo:00CJ066SwitchSerialNo:Y052MV49Y009Manufacturingdate:14/40
MTMValue:7159HCVESN:MM01008
SoftwareVersion8.2.1(FLASHimage1),activeconfiguration.Bootkernelversion8.2.1
USBBoot:disabled
TemperatureCPULocal:29CTemperatureAmbient:27CTemperatureHotSpot:38CTemperatureAsicMax:55C
SystemWarningat85C/Shutdownat95C/SetPointis70C
Fan1Module1:3865rpm60pwm(23%)FrontToBackFan2Module1:4176rpm60pwm(23%)FrontToBackFan3Module2:3843rpm60pwm(23%)FrontToBackFan4Module2:4063rpm60pwm(23%)FrontToBackFan5Module3:4134rpm60pwm(23%)FrontToBackFan6Module3:4299rpm60pwm(23%)FrontToBackFan7Module4:4084rpm60pwm(23%)FrontToBackFan8Module4:4383rpm60pwm(23%)FrontToBack
SystemFanAirflow:FrontToBack
PowerSupply1:FrontToBack[DPS460KBC]PowerSupply2:FrontToBack[DPS460KBC]
PowerFaults:PS2PwrFanFaults:NoneServiceFaults:TooFewPS
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46 G8272 Command Reference for N/OS 8.2
Note: Thedisplayoftemperaturewillcomeuponlyifthetemperatureofanyofthesensorsexceedsthetemperaturethreshold.Therewillbeawarningfromthesoftwareifanyofthesensorsexceedsthistemperaturethreshold.Theswitchwillshutdownifthepowersupplyoverheats.
Systeminformationincludes:
Systemdateandtime
Switchmodel
Switchnameandlocation
Timeoflastboot
MACaddressoftheswitchmanagementprocessor
Softwareimagefileandversionnumber,andconfigurationname.
IPaddressofthemanagementinterface
Hardwareversionandpartnumber
Loginbanner,ifoneisconfigured
Internaltemperatures
Fanstatus
Powersupplystatus
Show Specific System InformationThefollowingtablelistscommandsusedfordisplayingspecificentriesfromthegeneralsysteminformationscreen.
Sampleoutputforcommandshowversionbrief:
Displaysthesoftwareversionnumber,imagefileandconfigurationname.
Table 18. SpecificSystemInformationOptions
Command Syntax and Usage
showenvironmentfan
Displaysinformationaboutinternaltemperaturesandfanstatus.Commandmode:All
showenvironmentpower
Displaysinformationaboutpowersupplystatus.Commandmode:All
showversionbrief
Displaysthesoftwareversionnumber,imagefileandconfigurationname.Forasampleoutput,seebelow.Commandmode:All
SoftwareVersion8.2.1(FLASHimage2),activeconfiguration.
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Show Recent Syslog MessagesThefollowingcommanddisplayssystemlogmessages:
showlogging[messages][severity][reverse]
Commandmode:All
Eachsyslogmessagehasaseveritylevelassociatedwithit,includedintextformasaprefixtothelogmessage.Oneofeightdifferentprefixesisused,dependingontheconditionthattheadministratorisbeingnotifiedof,asshownhere. EMERG Indicatesthesystemisunusable ALERT Indicatesactionshouldbetakenimmediately CRIT Indicatescriticalconditions ERR Indicateserrorconditionsorerroredoperations WARNING Indicateswarningconditions NOTICE Indicatesanormalbutsignificantcondition INFO Indicatesaninformationmessage DEBUG Indicatesadebuglevelmessage
Theseverityoptionfiltersonlysyslogmessageswithaspecificseveritylevelbetween0and7,fromEMERGtoDEBUGcorrespondingly.
Thereverseoptiondisplaystheoutputinreverseorder,fromthenewestentrytotheoldest.
Currentsyslogconfiguration:host0.0.0.0viaMGTport,severity7,facility0host20.0.0.0viaMGTport,severity27,facility20consoleenabledseveritylevelofconsoleoutput6severitylevelofwritetoflash7sysloggingallfeaturesSyslogsourceloopbackinterfacenotset
Nov25:49:53172.25.254.19INFOconsole:Systemlogclearedbyuseradmin.Nov25:51:23172.25.254.19CRITsystem:FanMod4RemovedNov25:54:27172.25.254.19CRITsystem:****MAXTEMPERATURE(61)ABOVEFAILTHRESH****Nov25:54:27172.25.254.19CRITsystem:****PLATFORMTHERMALSHUTDOWN****Nov26:02:060.0.0.0NOTICEsystem:linkuponmanagementportMGTNov26:02:060.0.0.0INFOsystem:bootedversion0.0.0fromFLASHimage2,activeconfigurationNov26:02:090.0.0.0NOTICEsystem:SRSFP+insertedatport63isApprovedNov26:02:120.0.0.0NOTICEsystem:1mDACinsertedatport64isAcceptedNov26:22:54172.25.254.19NOTICEmgmt:admin(admin)loginonConsoleNov26:33:00172.25.254.19NOTICEmgmt:admin(admin)idletimeoutfromConsole
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User StatusThefollowingcommanddisplaysuserstatusinformation:
showaccessuser
Commandmode:AllexceptUserEXEC
Thiscommanddisplaysthestatusoftheconfiguredusernames.
Usernames:userenabledofflineoperdisabledofflineadminAlwaysEnabledonline1sessionCurrentUserIDtable:1:namepaul,dis,cosuser,passwordvalid,offlineCurrentstrongpasswordsettings:strongpasswordstatus:disabled
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Layer 2 InformationThefollowingcommandsdisplayLayer2information:
Table 19. Layer2InformationCommands
Command Syntax and Usage
showdot1xinformation
Displays802.1XInformation.Fordetails,seepage 52.Commandmode:All
showfailovertriggerinformationDisplaysLayer2Failoverinformation.Fordetails,seepage 59.Commandmode:All
showhotlinksinformation
DisplaysHotLinksinformation.Fordetails,seepage 61.Commandmode:All
showlayer2information
DumpsallLayer2switchinformationavailable(10Klinesormore,dependingonyourconfiguration).Ifyouwanttocapturedumpdatatoafile,setyourcommunicationsoftwareonyourworkstationtocapturesessiondatapriortoissuingthedumpcommands.Commandmode:All
showlldpinformation
DisplaysLinkLayerDiscoveryProtocol(LLDP)information.Fordetails,seepage 62.Commandmode:All
showportchannelinformation
Displaysthestateofeachportinthevarioustrunkgroups.Fordetails,seepage 77.Commandmode:All
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50 G8272 Command Reference for N/OS 8.2
showspanningtree
DisplaysSpanningTreeinformation,includingthestatus(onoroff),SpanningTreemode(RSTP,PVRST,orMSTP),andVLANmembership.InadditiontoseeingifSTGisenabledordisabled,youcanviewthefollowingSTGbridgeinformation: Priority Hellointerval Maximumagevalue Forwardingdelay AgingtimeYoucanalsoseethefollowingportspecificSTGinformation: Portaliasandpriority Cost StateCommandmode:All
showspanningtreeblockedports
ListstheportsblockedbyeachSTPinstance.Commandmode:All
showspanningtreemstconfiguration
DisplaysthecurrentMSTPsettings.Commandmode:All
showspanningtreemstinformationDisplaysSpanningTreeinformationforthespecifiedinstance.0isusedforCIST.CISTbridgeinformationincludes: Priority Hellointerval Maximumagevalue Forwardingdelay Rootbridgeinformation(priority,MACaddress,pathcost,rootport)CISTportinformationincludes: Portnumberandpriority Cost StateFordetails,seepage 75.Commandmode:All
Table 19. Layer2InformationCommands(continued)
Command Syntax and Usage
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showspanningtreeroot
DisplaysrootbridgeIDforeveryspanningtreeinstanceandthepathcostassociatedtoit.Fordetails,seepage 74.Commandmode:All
showspanningtreestpinformationDisplaysinformationaboutaspecificSpanningTreeGroup.Fordetails,seepage 69.Commandmode:All
showvlaginformation
DisplaysvLAGInformation.Fordetails,seepage 67.Commandmode:All
showvlan
DisplaysVLANconfigurationinformationforallconfiguredVLANs,including: VLANNumber VLANName Status PortmembershipoftheVLANFordetails,seepage 78.Commandmode:All
Table 19. Layer2InformationCommands(continued)
Command Syntax and Usage
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802.1X InformationThefollowingcommanddisplays802.1Xinformation:
showdot1xinformation
Commandmode:All
ThefollowingtabledescribestheIEEE802.1Xparameters.
Systemcapability:AuthenticatorSystemstatus:disabledProtocolversion:1GuestVLANstatus:disabledGuestVLAN:noneAuthenticatorBackendAssignedPortAuthModeAuthStatusPAEStateAuthStateVLAN*1forceauthunauthorizedinitializeinitializenone*2forceauthunauthorizedinitializeinitializenone*3forceauthunauthorizedinitializeinitializenone
Table 20. 802.1XParameterDescriptions
Parameter Description
Port Displayseachportsalias.
AuthMode DisplaystheAccessControlauthorizationmodefortheport.TheAuthorizationmodecanbeoneofthefollowing:
forceunauth
auto
forceauth
AuthStatus Displaysthecurrentauthorizationstatusoftheport,eitherauthorizedorunauthorized.
AuthenticatorPAEState
DisplaystheAuthenticatorPortAccessEntityState.ThePAEstatecanbeoneofthefollowing:
initialize
disconnected
connecting
authenticating
authenticated
aborting
held
forceAuth
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BackendAuthState
DisplaystheBackendAuthorizationState.TheBackendAuthorizationstatecanbeoneofthefollowing:
initialize
request
response
success
fail
timeout
idle
AssignedVLAN DisplayscorrespondingVLANassociatedwiththeport.
Table 20. 802.1XParameterDescriptions(continued)
Parameter Description
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FDB InformationTheforwardingdatabase(FDB)containsinformationthatmapsthemediaaccesscontrol(MAC)addressofeachknowndevicetotheswitchportwherethedeviceaddresswaslearned.TheFDBalsoshowswhichotherportshaveseenframesdestinedforaparticularMACaddress.Note: Themasterforwardingdatabasesupportsupto128KMACaddressentriesontheMPperswitch.
Table 21. FDBInformationOptions
Command Syntax and Usage
showmacaddresstable
DisplaysallentriesintheForwardingDatabase.Commandmode:All
showmacaddresstableall
DisplaysallunicastandmulticastentriesintheForwardingDatabase.Commandmode:All
showmacaddresstableaddressDisplaysasingledatabaseentrybyitsMACaddress.YouarepromptedtoentertheMACaddressofthedevice.EntertheMACaddressusingtheformat,xx:xx:xx:xx:xx:xx.Forexample,08:00:20:12:34:56.YoucanalsoentertheMACaddressusingtheformat,xxxxxxxxxxxx.For example,080020123456.Commandmode:All
showmacaddresstableconfiguredstatic
DisplaysallconfiguredstaticMACentriesintheFDB.Commandmode:All
showmacaddresstableinterfaceportDisplaysallFDBentriesforaparticularport.Commandmode:All
showmacaddresstablemulticast
DisplaysallstaticmulticastMACentriesintheFDB.Fordetails,seepage 55.Commandmode:All
showmacaddresstableportchannelDisplaysallFDBentriesforaparticulartrunkgroup(portchannel).Commandmode:All
showmacaddresstableprivatevlanDisplaysallFDBentriesonasingleprivateVLAN.Commandmode:All
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FDB Multicast InformationThefollowingcommandsdisplayFDBmulticastinformation.
showmacaddresstablestate{unknown|forward|trunk}
DisplaysallFDBentriesforaparticularstate.Commandmode:All
showmacaddresstablestatic
DisplaysallstaticunicastMACentriesintheFDB.Commandmode:All
showmacaddresstablevlanDisplaysallFDBentriesonasingleVLAN.Commandmode:All
Table 21. FDBInformationOptions(continued)
Command Syntax and Usage
Table 22. MulticastFDBInformationOptions
Command Syntax and Usage
showmacaddresstablemulticast
DisplaysallMulticastMACentriesintheFDB.Commandmode:All
showmacaddresstablemulticastaddressDisplaysasinglemulticastentrybyitsMACaddress.YouarepromptedtoentertheMACaddressofthedevice.EntertheMACaddressusingtheformat,xx:xx:xx:xx:xx:xx.Forexample,08:00:20:12:34:56.YoucanalsoentertheMACaddressusingtheformat,xxxxxxxxxxxx.Forexample,080020123456.Commandmode:All
showmacaddresstablemulticastinterfaceportDisplaysallmulticastentriesforaparticularport.Commandmode:All
showmacaddresstablemulticastvlanDisplaysallmulticastentriesonasingleVLAN.Commandmode:All
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Show All FDB InformationThefollowingcommanddisplaysForwardingDatabaseinformation:
showmacaddresstable
Commandmode:All
Anaddressthatisintheforwarding(FWD)state,meansthatithasbeenlearnedbytheswitch.Wheninthetrunking(TRK)state,theportfieldrepresentsthetrunkgroupnumber.Ifthestatefortheportislistedasunknown(UNK),theMACaddresshasnotyetbeenlearnedbytheswitch,buthasonlybeenseenasadestinationaddress.
Whenanaddressisintheunknownstate,nooutboundportisindicated,althoughportswhichreferencetheaddressasadestinationarelistedunderReferenceports.
Clearing Entries from the Forwarding DatabaseTocleartheentireFDB,refertoForwardingDatabaseMaintenanceonpage 673.
MacaddressAgingTime:300
MACaddressVLANPortTrnkStatePermanentOpenflow00:90:fa:75:0e:c412FWDN00:90:fa:75:0e:c8114FWDNa8:97:dc:d1:f8:00114FWDN
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Link Aggregation Control Protocol InformationUsethesecommandstodisplayLACPstatusinformationabouteachportontheG8272.
Table 23. LACPInformationOptions
Command Syntax and Usage
showlacp
DisplaysthecurrentLCAPconfiguration.Commandmode:All
showlacpaggregatorDisplaysdetailedinformationabouttheLACPaggregator.Commandmode:All
showlacpinformation
DisplaysasummaryofLACPinformation.Fordetails,seepage 58.Commandmode:All
showlacpinformationstate{down|off|up}
DisplaysasummaryofLACPinformationfortheinterfacesthataredown,offorup.Commandmode:All
showinterfaceportlacp[information]DisplaysLACPinformationabouttheselectedport.Commandmode:All
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Link Aggregation Control ProtocolThefollowingcommanddisplaysLACPinformation:
showlacpinformation
Commandmode:All
LACPdumpincludesthefollowinginformationforeachportintheG8272:
mode DisplaystheportsLACPmode(active,passive,oroff).
adminkey Displaysthevalueoftheportsadminkey.
operkey Showsthevalueoftheportsoperationalkey.
selected IndicateswhethertheporthasbeenselectedtobepartofaLinkAggregationGroup.
prio Showsthevalueoftheportpriority.
aggr Displaystheaggregatorassociatedwitheachport.
trunk ThisvaluerepresentstheLACPtrunkgroupnumber.
status DisplaysthestatusofLACPontheport(upordown).
minlinks DisplaystheminimumnumberofactivelinksintheLACPtrunk.
portmodeadminkeyoperkeyselectedprioaggrtrunkstatusminlinks1active6553565535yes32768165up12active6553565535yes32768165up13active6553565535individual32768down14active6553565535yes32768165up15active6553565535yes32768165up16active6553565535yes32768165up17active6553565535yes32768165up18active6553565535yes32768165up19active10001000suspended32768down110active10001000suspended32768down1...(*)LACPPortChannelisstaticallyboundtotheadminkey
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Layer 2 Failover InformationThefollowingcommandsdisplayLayer2Failoverinformation:
Table 24. Layer2FailoverInformationOptions
Command Syntax and Usage
showfailovertrigger[information]
DisplaysasummaryofLayer2Failoverinformation.Fordetails,seepage 60.Commandmode:All
showfailovertrigger[information]DisplaysdetailedinformationabouttheselectedLayer2Failovertrigger.Commandmode:All
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Layer 2 Failover InformationThefollowingcommanddisplaysLayer2Failoverinformation:
showfailovertriggerinformation
Commandmode:All
AmonitorportsFailoverstatusisOperationalonlyifallthefollowingconditionsholdtrue:
Portlinkisup.
IfSpanningTreeisenabled,theportisintheForwardingstate.
IftheportisamemberofanLACPtrunkgroup,theportisaggregated.
Ifanyoftheseconditionsarenottrue,themonitorportisconsideredtobefailed.
AcontrolportisconsideredtobeoperationalifthemonitortriggerstateisUp.EvenifaportslinkstatusisDown,SpanningTreestatusisBlocking,andtheLACPstatusisNotAggregated,fromateamingperspectivetheportstatusisOperational,sincethetriggerisUp.
AcontrolportsstatusisdisplayedasFailedonlyifthemonitortriggerstateisDown.
Failover:On
Trigger1ManualMonitor:EnabledTrigger1limit:0MonitorState:UpMemberStatus17OperationalControlState:AutoControlledMemberStatusPhysicalports1Operational
Trigger2:Disabled
Trigger3:Disabled
Trigger4:Disabled
Trigger5:Disabled
Trigger6:Disabled
Trigger7:Disabled
Trigger8:Disabled
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Hot Links InformationThefollowingcommanddisplaysHotLinksinformation:
showhotlinksinformation
Commandmode:All
HotLinksinformationincludesthefollowing: HotLinksstatus(onoroff) StatusofBPDUfloodoption StatusofFDBsendoption StatusandconfigurationofeachHotLinkstrigger
HotLinksInfo:Trigger
CurrentglobalHotLinkssetting:ONHotLinksBPDUflood:disabledHotLinksFDBupdate:disabledFDBupdaterate(pps):200
CurrentTrigger1setting:enabledname"Trigger1",preemptenabled,fdelay1sec
Activestate:None
Mastersettings:port1Backupsettings:port2
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LLDP InformationThefollowingcommandsdisplayLLDPinformation.
Table 25. LLDPInformationOptions
Command Syntax and Usage
showlldp
DisplaysthecurrentLinkLayerDiscoveryProtocol(LLDP)configuration.Commandmode:All
showlldpinformation
DisplaysallLLDPinformation.Commandmode:All
showlldpport[]DisplaysLLDPinformationforallportsoraspecificport.Commandmode:All
showlldpporttlvevbDisplaysEdgeVirtualBridge(EVB)typelengthvalue(TLV)informationforthespecifiedport.Commandmode:All
showlldpportvporttlvevbDisplaysEdgeVirtualBridge(EVB)typelengthvalue(TLV)informationforthespecifiedvirtualportontheselectedport.Commandmode:All
showlldpreceive
DisplaysinformationabouttheLLDPreceivestatemachine.Commandmode:All
showlldpremotedevice[|detail]DisplaysinformationreceivedfromLLDPcapabledevices.Formoreinformation,seepage 63.Commandmode:All
showlldpremotedeviceportDisplaysinformationreceivedfromLLDPcapabledevicesforaspecificport.Alistofportsneedstobedelimitedby,andarangeofportsdelimitedby.Commandmode:All
showlldptransmit
DisplaysinformationabouttheLLDPtransmitstatemachine.Commandmode:All
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LLDP Remote Device InformationThefollowingcommanddisplaysLLDPremotedeviceinformation:
showlldpremotedevice
Commandmode:All
LLDPremotedeviceinformationprovidesasummaryofinformationaboutremotedevicesconnectedtotheswitch.Toviewdetailedinformationaboutadevice,asshownbelow,followthecommandwiththeindexnumberoftheremotedevice.Toviewdetailedinformationaboutalldevices,usethedetailoption.
LLDPRemoteDevicesInformationLegend(possiblevaluesinDMACcolumn):NBNearestBridge0180C200000ENnTBNearestnonTPMRBridge0180C2000003NCBNearestCustomerBridge0180C2000000Totalnumberofcurrententries:9
LocalPort|Index|RemoteChassisID|RemotePort|RemoteSystemName|DMAC|||||1|1|0000c9e547e3|0000c9e547e3||NB1|2|0000c9e547e3|0000c9e547e3||NnTB2|3|0090fa750ec5|0090fa750ec5||NB14|4|a897dcd1f800|60||NB14|5|a897dcd1f800|60||NnTB15|6|a897dcd1f800|80||NB15|7|a897dcd1f800|80||NnTB18|8|0090fa3d4849|0090fa3d4849||NBMGT|9|749975c50800|6|G805254|NB
LocalPortAlias:1RemoteDeviceIndex:15RemoteDeviceTTL:99RemoteDeviceRxChanges:falseChassisType:MacAddressChassisId:0018b1331d00PortType:LocallyAssignedPortId:23PortDescription:23
SystemName:SystemDescription:LenovoRackSwitchG8296,LenovoNetworkingOS:version8.2.0.3,Bootimage:version8.2.0.3SystemCapabilitiesSupported:bridge,routerSystemCapabilitiesEnabled:bridge,router
RemoteManagementAddress:Subtype:IPv4Address:10.100.120.181InterfaceSubtype:ifIndexInterfaceNumber:128ObjectIdentifier:
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Unidirectional Link Detection InformationThefollowingcommandsdisplayUDLDinformation:
UDLD Port InformationThefollowingcommanddisplaysUDLDinformationfortheselectedport:
showinterfaceportudld
Commandmode:All
UDLDinformationincludesthefollowing:
Status(enabledordisabled)
Mode(normaloraggressive)
Portstate(linkuporlinkdown)
Bidirectionalstatus(unknown,unidirectional,bidirectional,TXRXloop,neighbormismatch)
Table 26. UDLDInformationOptions
Command Syntax and Usage
showudld
DisplaysallUDLDinformation.Commandmode:All
showinterfaceportudldDisplaysUDLDinformationabouttheselectedport.Commandmode:All
UDLDinformationonport1Portenableadministrativeconfigurationsetting:EnabledPortadministrativemode:normalPortenableoperationalstate:linkupPortoperationalstate:advertisementPortbidirectionalstatus:bidirectionalMessageinterval:15Timeoutinterval:5Neighborcache:1neighbordetected
Entry#1Expirationtime:31secondsDeviceName:DeviceID:00:da:c0:00:04:00PortID:1
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802.1x Discovery InformationThefollowingcommandsdisplay802.1xinformation:
802.1x Port InformationThefollowingcommanddisplays802.1xinformationfortheselectedport:
showinterfaceportdot1x
Commandmode:All
802.1xportdisplayshowsinformationabouttheselectedportandthepeertowhichthelinkisconnected.
Table 27. 802.1xDiscoveryInformationOptions
Command Syntax and Usage
showinterfaceportdot1xDisplays802.1xinformationabouttheselectedport.Commandmode:All
showdot1x
Displaysall802.1xinformation.Commandmode:All
showdot1xDisplays802.1xinformationforspecifiedport.Commandmode:All
QuietTxMaxSuppServerReAuthReAuthVLANPortAuthModePeriodPeriodReqTimeoutTimeoutStatusPeriodAssignGforceauth603023030off3600off1forceauth603023030off3600offGGlobalportconfiguration
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OAM Discovery InformationThefollowingcommandsdisplayOAMinformation:
OAM Port InformationThefollowingcommanddisplaysOAMinformationfortheselectedport:
showinterfaceportoam
Commandmode:All
OAMportdisplayshowsinformationabouttheselectedportandthepeertowhichthelinkisconnected.
Table 28. OAMDiscoveryInformationOptions
Command Syntax and Usage
showinterfaceportoamDisplaysOAMinformationabouttheselectedport.Commandmode:All
showoam
DisplaysallOAMinformation.Commandmode:All
OAMinformationonport1StateenabledModeactiveLinkupSatisfiedYesEvaluatingNo
Remoteportinformation:ModeactiveMACaddress00:da:c0:00:04:00StableYesStatevalidYesEvaluatingNo
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vLAG InformationThefollowingcommandsdisplayVirtualLinkAggregationGroup(vLAG)information:
Table 29. vLAGInformationOptions
Command Syntax and Usage
showvlag
DisplaysthecurrentvLAGconfiguration.Commandmode:All
showvlagadminkeyDisplaysvLAGLACPinformation.Commandmode:All
showvlagadminkeyinformationDisplaysallvLAGLACPinformation.Commandmode:All
showvlaginformation
DisplaysallvLAGinformation.Commandmode:All
showvlagisl
DisplaysvLAGInterSwitchLink(ISL)information.Commandmode:All
showvlagportchannelDisplaysvLAGstatictrunkgroupinformation.Commandmode:All
showvlagportchannelinformationDisplaysallvLAGstatictrunkgroupinformation.Commandmode:All
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vLAG Trunk InformationThefollowingcommanddisplaysvLAGinformationforthetrunkgroup:
showvlagportchannel
Commandmode:All
vLAGisenabledontrunk13ProtocolStaticCurrentsettings:enabledports:13CurrentL2trunkhashsettings:smacdmacCurrentL3trunkhashsettings:sipdipCurrentingressporthash:disabledCurrentL4porthash:disabled
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Spanning Tree InformationThefollowingcommanddisplaysSpanningTreeinformation:
showspanningtreestpinformation
Commandmode:All
TheswitchsoftwareusesthePerVLANRapidSpanningTreeProtocol(PVRST)spanningtreemode,withIEEE802.1D(2004)RapidSpanningTreeProtocol(RSTP)orIEEE802.1Q(2003)MultipleSpanningTreeProtocol(MSTP),asalternatives.
Thefollowingportspecificinformationisalsodisplayed:
SpanningTreeGroup1:On(RSTP)VLANs:1104095
CurrentRoot:PathCostPortHelloMaxAgeFwdDel800000:25:03:49:29:000022015
Parameters:PriorityHelloMaxAgeFwdDelAging3276822015300
PortPrioCostStateRoleDesignatedBridgeDesPortType1(pc12)128490!+FWDDESG800000:25:03:49:29:008026P2P2(pc12)128490!+FWDDESG800000:25:03:49:29:008026P2P3(pc12)128490!+FWDDESG800000:25:03:49:29:008026P2P4(pc12)128490!+FWDDESG800000:25:03:49:29:008026P2PMGT00FWD**=STPturnedoffforthisport.!=Automaticpathcost.+=Portchannelcost,nottheindividualportcost.
Table 30. PVRST/RSTP/MSTPPortParameterDescriptions
Parameter Description
Priority(port)
ThePortPriorityparameterhelpsdeterminewhichbridgeportbecomesthedesignatedport.Inanetworktopologythathasmultiplebridgeportsconnectedtoasinglesegment,theportwiththelowestportprioritybecomesthedesignatedportforthesegment.
Cost ThePortPathcostparameterisusedtohelpdeterminethedesignatedportforasegment.Generallyspeaking,thefastertheport,thelowerthepathcost.Asettingof0indicatesthatthecostwillbesettotheappropriatedefaultafterthelinkspeedhasbeenautonegotiated.
State TheStatefieldshowsthecurrentstateoftheport.TheStatefieldcanbeoneofthefollowing:Discarding(DISC),Learning(LRN),orForwarding(FWD).
Role TheRolefieldshowsthecurrentroleofthisportintheSpanningTree.Theportrolecanbeoneofthefollowing:Designated(DESG),Root(ROOT),Alternate(ALTN),Backup(BKUP).
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70 G8272 Command Reference for N/OS 8.2
DesignatedBridge
TheDesignatedBridgeshowsinformationaboutthebridgeconnectedtoeachport,ifapplicable.Informationincludesthepriority(inhexadecimalnotation)andMACaddressoftheDesignatedBridge.
DesignatedPort
TheDesignatedPortfieldshowstheportontheDesignatedBridgetowhichthisportisconnected.
Type Typeoflinkconnectedtotheport,andwhethertheportisanedgeport.LinktypevaluesareAUTO,P2P,orSHARED.
Table 30. PVRST/RSTP/MSTPPortParameterDescriptions(continued)
Parameter Description
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Copyright Lenovo 2015 Chapter 2: Information Commands 71
PVRST InformationThefollowingcommanddisplaysPVRSTinformation:
showspanningtreestpinformation
Commandmode:All
YoucanconfiguretheswitchsoftwaretousetheIEEE802.1D(2004)RapidSpanningTreeProtocol(RSTP),theIEEE802.1Q(2003)MultipleSpanningTreeProtocol(MSTP)orPerVLANRapidSpanningTreeProtocol(PVRST).
Thefollowingportspecificinformationisalsodisplayed:
Pvst+compatibilitymodeenabled
SpanningTreeGroup1:On(PVRST)VLANs:11274094
CurrentRoot:PathCostPortHelloMaxAgeFwdDel800108:17:f4:8c:bc:0020002022015
Parameters:PriorityHelloMaxAgeFwdDelAgingTopologyChangeCounts3276922015300254
PortPrioCostStateRoleDesignatedBridgeDesPortType1128500!FWDDESG800108:17:f4:af:ae:008001P2P17(pc1)128990!+FWDDESG800108:17:f4:af:ae:008400P2P18(pc1)128990!+FWDDESG800108:17:f4:af:ae:008400P2P1900FWD*201282000!FWDROOT800108:17:f4:8c:bc:00801cP2P*=STPturnedoffforthisport.!=Automaticpathcost.+=Portchannelcost,nottheindividualportcost.
Table 31.