Lenovo Flex System Fabric CN4093 Application Manual

Lenovo
Brand
Lenovo
Model
Flex System Fabric CN4093
Category
Network switches
Type
Application Manual
Lenov oFlexSystemFabricCN409310GbConvergedScalableSwitch
ApplicationGuide
ForLenovoEnterpriseNetworkOperatingSystem8.4
Note:Beforeusingthisinformationandtheproductitsupports,readthegeneralinformationintheSafetyinformationand
EnvironmentalNoticesandUserGuidedocu mentsontheLenovoDocumentationCDandtheWarrantyInformationdocumentthatcomes
withtheproduct.
ThirdEdition(July2017)
©CopyrightLenovo2017
Portions©CopyrightIBMCorporation2014.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneralServices
Administration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforthinContractNo.
GS‐35F‐05925.
LenovoandtheLenovologo
aretrademarksofLenovointheUnitedStates,othercountries,orboth.
© Copyright Lenovo 2017 3
Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
WhoShouldUseThisGuide .......................21
WhatYou’llFindinThisGuide..................
....21
Part1:GettingStarted ........................21
Part2:SecuringtheSwitch..............
........21
Part3:SwitchBasics .........................22
Part4:AdvancedSwitchingFeatures..........
.......22
Part5:IPRouting..........................23
Part6:HighAvailabilityFundamentals..........
......23
Part7:NetworkManagement.....................24
Part8:Monitoring..................
........24
Part9:Appendices.........................24
AdditionalReferences ...............
...........25
TypographicConventions ........................26
Part 1:. Getting Started. . . . . . . . . . . . . . . . . . . . . . 27
Chapter 1. Switch Administration . . . . . . . . . . . . . . . . . 29
AdministrationInterfaces ...........
.............30
ChassisManagementModule.....................30
IndustryStandardCommandLineInterface..........
....30
Browser‐BasedInterface .......................31
EstablishingaConnection...................
.....32
UsingtheChassisManagementModule................32
Factory‐Defaultvs.CMM‐AssignedIPAddresses..........32
UsingTelnet.......
.....................33
UsingSecureShell..........................33
UsingSSH
withPasswordAuthentication.............35
UsingSSHwithPublicKeyAuthentication .............35
UsingaWebBrowser.............
...........36
ConfiguringHTTPAccesstotheBBI................36
ConfiguringHTTPSAccesstotheBBI ............
...37
BBISummary..........................38
UsingSimpleNetworkManagementProtocol..............39
BOOTP/DHCPClientIP
AddressServices .................40
HostNameConfiguration ......................40
SYSLOGServer......
.....................41
DHCPSnooping..........................41
EasyConnect
Wizard ..........................42
ConfiguringtheEasyConnectWizard.................42
BasicSystemMode
ConfigurationExample .............43
TransparentModeConfigurationExample.............44
RedundantModeConfigurationExample .............45
SwitchLoginLevels..
.........................47
AdministratorPasswordRecovery ....................49
SecureFTP..
.............................51
4 CN4093 Application Guide for N/OS 8.4
BootStrictMode ............................52
AcceptableCipherSuites .................
.....55
ConfiguringStrictMode .......................56
Limitations......................
.......56
ConfiguringNo‐PromptMode......................57
Chapter 2. Initial Setup . . . . . . . . . . . . . . . . . . . . . 59
InformationNeededforSetup.............
.........60
DefaultSetupOptions .........................61
StoppingSetup.............
..............61
RestartingSetup..........................61
SetupPart1:BasicSystemConfiguration...
..............62
SetupPart2:PortConfiguration .....................64
SetupPart3:VLANs........
..................66
SetupPart4:IPConfiguration......................67
IPInterfaces....
........................67
DefaultGateways..........................68
IP
Routing.............................69
SetupPart5:FinalSteps .................
........70
OptionalSetupforTelnetSupport....................71
Chapter 3. Switch Software Management . . . . . . . . . . . . . . 73
LoadingNewSoftwaretoYourSwitch ...........
.......74
LoadingSoftwareviatheISCLI ....................74
LoadingSoftwareviaBBI.................
.....75
UpdatingSoftwareonvLAGSwitches.................76
TheBootManagementMenu .....................
.78
BootRecoveryMode........................79
RecoverfromaFailedImageUpgradeusingTFTP...........80
RecoveringfromaFailedImage
UpgradeusingXModemDownload ...82
PhysicalPres ence..........................84
Part 2:. Securing the Switch . . . . . . . . . . . . . . . . . . . 85
Chapter 4. Securing Administration . . . . . . . . . . . . . . . . 87
ChangingtheSwitchPasswords...........
..........88
ChangingtheDefaultAdministratorPassword.............88
ChangingtheDefaultUserPassword.................88
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SecureShellandSecureCopy......................89
ConfiguringSSH/SCPFeaturesontheSwitch ..............90
ToEnableorDisabletheSSH
Feature...............90
ToEnableorDisableSCP .....................90
ConfiguringtheSCPAdministratorPassword.....
........90
UsingSSHandSCPClientCommands.................90
ToLogIntotheSwitchfromtheClient ..............
.90
ToCopytheSwitchConfigurationFiletotheSCPHost........91
ToLoadaSwitchConfigurationFilefromtheSCPHost.......91
ToApplyandSavetheConfiguration...........
....91
ToCopytheSwitchImageandBootFilestotheSCPHost ......92
ToLoadSwitchConfigurationFilesfromtheSCPHost ........92
SSHandSCPEncryptionofManagementMessages .......
....93
GeneratingRSAHostKeyforSSHAccess...............93
SSH/SCPIntegrat ionwithRADIUSAuthentication ...........93
SSH/SCPIntegrat ionwithTACACS+Authentication .....
.....93
EndUserAccessControl.........................94
ConsiderationsforConfiguringEndUserAccounts...........94
StrongPasswords
..........................94
UserAccessControlMenu .....................
.95
SettingUpUserIDs.......................95
DefiningaUser’sAccessLevel..................95
Validating
aUser’sConfiguration .................95
EnablingorDisablingaUser . ..................95
LockingAccounts .....
...................95
Re‐enablingLockedAccounts ...................96
ListingCurrentUsers ........
................96
LoggingIntoanEndUserAccount..................96
ProtectedMode ........
....................97
StackingMode...........................97
Chapter 5. Authentication & Authorization Protocols . . . . . . . . . 99
RADIUSAuthentication
andAuthorization...............100
HowRADIUSAuthenticationWorks................100
ConfiguringRADIUSontheSwitch.......
..........101
RADIUSAuthenticationFeaturesinEnterpriseNOS.......... 101
SwitchUserAccounts......................
.102
RADIUSAttributesforEnterpriseNOSUserPrivileges ........103
TACACS+Authentication....................... 104
HowTACACS+AuthenticationWorks.....
...........104
TACACS+AuthenticationFeaturesinEnterpriseNOS.........105
Authorization . ......................
.. 105
Backdoor ...........................106
Accounting....................
......106
CommandAuthorizationandLogging................107
TACACS+PasswordChange....................109
Configuring
TACACS+AuthenticationontheSwitch.........109
LDAPAuthenticationandAuthorization ................110
ConfiguringtheLDAPServer............
........ 110
ConfiguringLDAPAuthenticationontheSwitch...........111
6 CN4093 Application Guide for N/OS 8.4
Chapter 6. 802.1X Port-Based Network Access Control . . . . . . . . 113
ExtensibleAuthenticationProtocoloverLAN.............. 114
EAPoLAuthenticationProcess ................... 115
EAPoLMessageExchange.....
................ 116
EAPoLPortStates ........................ 116
GuestVLAN.....
........................ 117
SupportedRADIUSAttributes..................... 118
EAPoLConfiguration
Guidelines .................... 120
Chapter 7. Access Control Lists. . . . . . . . . . . . . . . . . . 121
SummaryofPacketClassifiers ..................... 122
SummaryofACL
Actions ....................... 124
AssigningIndividualACLstoaPort .................. 124
ACLOrder
ofPrecedence ....................... 124
ACLGroups ........................
..... 125
AssigningACLGroupstoaPort .................. 125
ACLMeteringandRe‐Marking ................
... 126
Metering ........................... 126
Re‐Marking ..................
....... 126
ACLPortMirroring.......................... 127
ViewingACLStatistics...........
............. 127
ACLLogging............................ 128
EnablingACLLogging....
.................. 128
LoggedInformation........................ 128
RateLimitingBehavior...
................... 129
LogInterval........................... 129
ACLLogging
Limitations ..................... 129
ACLConfigurationExamples ..................... 130
ACLExample1.
......................... 130
ACLExample2.......................
... 130
ACLExample3.......................... 131
VLANMaps ..................
........... 132
VMapExample .......................... 133
ManagementACLs.........
................. 134
Part 3:. Switch Basics . . . . . . . . . . . . . . . . . . . . . . 135
Chapter 8. VLANs. . . . . . . . . . . . . . . . . . . . . . . . 137
VLANsOverview.......................... 138
VLANsandPortVLAN
IDNumbers .................. 139
VLANNumbers ......................... 139
PVID/NativeVLAN
Numbers ................... 140
VLANTagging/TrunkMode...................... 142
IngressVLANTagging...
................... 146
Limitations .......................... 146
VLANTopologiesandDesign
Considerations.............. 147
VLANConfigurationRules .................... 147
Example:MultipleVLANswithTaggingAdapters ......
.... 148
© Copyright Lenovo 2017 Contents 7
Protocol‐BasedVLANs........................150
Port‐Basedvs.Protocol‐BasedVLANs................ 150
PVLAN
PriorityLevels ......................151
PVLANTagging........................
.151
PVLANConfigurationGuidelines..................151
ConfiguringPVLAN .......................152
PrivateVLANs.
........................... 153
PrivateVLANPorts....................
....153
ConfigurationGuidelines.....................154
ConfigurationExample....................
.. 154
Chapter 9. Ports and Link Aggregation (LAG) . . . . . . . . . . . . 157
ConfiguringPortModes ........................158
ConfiguringQSFP+Ports..................
.....160
AggregationOverview........................161
StaticLAGs................
.............162
BeforeConfiguringStaticLAGs ................... 162
StaticLAGConfigurationRules ............
.......162
ConfiguringaStaticLAG .....................163
ConfigurableLAGHashAlgorithm.............
......165
LinkAggregationControlProtocol...................167
LACPModes...................
........168
LACPindividual.........................169
ConfiguringLACP............
............170
Chapter 10. Spanning Tree Protocols. . . . . . . . . . . . . . . . 171
SpanningTreeProtocolModes.....................17 2
GlobalSTPControl.........
...............172
PVRSTMode.............................173
PortStates..
.......................... 173
BridgeProtocolDataUnits....................
. 174
DeterminingthePathforForwardingBPDUs ...........174
BridgePriority........................174
PortPriority...
......................175
RootGuard ..........................175
Loop
Guard..........................175
PortPathCost......................
...176
SimpleSTPConfiguration .....................176
Per‐VLANSpanningTreeGroups ..................
178
UsingMultipleSTGstoEliminateFalseLoops...........178
VLANandSTGAssignment..................179
ManuallyAssigningSTGs.......
............180
GuidelinesforCreatingVLANs.................180
RulesforVLANTaggedPorts.............
.....180
AddingandRemovingPortsfromSTGs .............181
Switch‐CentricConfiguration..................182
ConfiguringMultipleSTGs..
...................183
8 CN4093 Application Guide for N/OS 8.4
RapidSpanningTreeProtocol..................... 185
PortStates.......................
..... 185
RSTPConfigurationGuidelines................... 185
RSTPConfigurationExample.................... 186
Multiple
SpanningTreeProtocol .................... 187
MSTPRegion..........................
. 187
CommonInternalSpanningTree.................. 187
MSTPConfigurationGuidelines.................. 188
MSTPConfigurationExamples..
................. 188
MSTPConfigurationExample1................. 188
MSTPConfigurationExample2..........
....... 189
PortTypeandLinkType ....................... 191
Edge/PortfastPort ............
............ 191
LinkType............................ 191
Chapter 11. Virtual Link Aggregation Groups . . . . . . . . . . . . 193
VLAGCapacities ......
..................... 196
VLAGsversusPortLAGs ....................... 197
Configuring
VLAGs......................... 198
BasicVLAGConfiguration ..................... 199
Configure
theISL ....................... 20 0
ConfiguretheVLAG...................... 201
VLAGConfiguration‐VLANsMappedtoMSTI ........... 202
ConfiguretheISL ....................... 202
ConfiguretheVLAG.....
................. 203
ConfiguringHealthCheck..................... 204
VLAGswithVRRP.....
................... 205
ConfigureVLAGPeer1 .................... 205
ConfigureVLAGPeer2 ...
................. 208
Two‐tiervLAGswithVRRP .................... 211
ConfiguringVLAGsinMultipleLayers ..
............. 212
ConfigureLayer2/3BorderSwitches .............. 212
ConfigureSwitchesintheLayer2Region ...........
. 212
Chapter 12. Quality of Service . . . . . . . . . . . . . . . . . . 215
QoSOverview............................ 215
UsingACLFilters..............
............ 217
SummaryofACLActions..................... 217
ACLMeteringandRe‐Marking .........
.......... 217
Metering ........................... 218
Re‐Marking ..........
............... 218
UsingDSCPValuestoProvideQoS................... 219
DifferentiatedServicesConcepts ........
.......... 219
Per‐HopBehavior......................... 220
QoSLevels...........
................. 221
DSCPRe‐MarkingandMapping.................. 221
DSCPRe‐MarkingConfigurationExample1 ....
....... 222
DSCPRe‐MarkingConfigurationExample2 ........... 222
Using802.1pPrioritiestoProvideQoS................. 224
Queuingand
Scheduling....................... 225
© Copyright Lenovo 2017 Contents 9
ControlPlaneProtection........................ 226
PacketDropLogging.....................
....227
Part 4:. Advanced Switching Features . . . . . . . . . . . . . . . 229
Chapter 13. Stacking . . . . . . . . . . . . . . . . . . . . . . 231
StackingOverview.......................... 232
StackingRequirements...............
........ 233
StackingLimitations........................233
StackMembership...............
...........235
TheMasterSwitch ........................235
SplittingandMergingOneStack ......
..........236
MergingIndependentStacks ..................237
BackupSwitchSelection ................
......238
MasterFailover ........................238
MasterRecovery ...............
........ 238
NoBackup ..........................239
StackMemberIdentification ...........
.........239
ConfiguringaStack ..........................240
ConfigurationOverview..........
............240
BestConfigurationPractices .................... 240
StackingVLANs..............
.......... 241
ConfiguringEachSwitchinaStack .................241
ConfiguringaManagementIPInterface...........
....243
AdditionalMasterConfiguration.................. 244
ViewingStackConnections...................244
BindingMembers
totheStack ..................245
AssigningaStackBackupSwitch................245
ManagingaStack .......
....................246
ConnectingtoStackSwitchesviatheMaster ............. 246
RebootingStackedSwitchesviatheMaster...
........... 246
RebootingStackedSwitchesusingtheISCLI ...........246
RebootingStackedSwitchesusingtheBBI............247
UpgradingSoftwarein
aStack.....................248
NewHybridStack ........................
248
ConvertingaEN4093RStacktoaHybridStack............248
NewStack ............................
 248
ReplacingorRemovingStackedSwitches................ 249
RemovingaSwitchfromtheStack ..................249
InstallingtheNewSwitchor
HealingtheTopology..........249
BindingtheNewSwitchtotheStack................. 251
PerformingaRollingReloadorUpgrade .. ......
.......252
StartingaRollingReload.................... 252
StartingaRollingUpgrade...............
....252
SavingSyslogMessages...................... 254
FlexiblePortMappinginStacking ...............
....256
ISCLIStackingCommands.......................258
10 CN4093 Application Guide for N/OS 8.4
Chapter 14. Virtualization . . . . . . . . . . . . . . . . . . . . 259
Chapter 15. Virtual NICs . . . . . . . . . . . . . . . . . . . . . 261
vNICIDsontheSwitch........................ 262
vNICInterfaceNamesontheServer..............
.... 263
vNICUplinkModes......................... 266
vNICBandwidthMetering ..............
........ 268
vNICGroups............................ 269
vNICGroupsinDedicatedMode.......
........... 270
vNICGroupsinSharedMode................... 271
vNICTeamingFailover ...........
............. 272
vNICConfigurationExample..................... 274
vNICsforiSCSIonEmulexVirtualFabricAdapter .....
..... 277
vNICsforFCoEUsingtheEmulexVFA............... 278
Chapter 16. VMready . . . . . . . . . . . . . . . . . . . . . . 279
VECapacity....................
......... 279
VMGroupTypes........................... 280
LocalVMGroups .........
................ 280
ConfiguringaLocalVMGroup................. 280
DistributedVMGroups.........
............. 281
VMProfiles........................... 282
InitializingaDistributedVMGroup...
.............. 282
AssigningMembers ........................ 283
SynchronizingtheConfiguration........
.......... 283
RemovingMemberVEs...................... 283
VMcheck .............
................. 284
BasicValidation......................... 284
AdvancedValidation....
................... 285
VirtualDistributedSwitch ....................... 286
Prerequisites....
....................... 286
Guidelines ..........................
.. 286
MigratingtovDS ......................... 287
VirtualizationManagementServers..................
. 288
AssigningavCenter........................ 288
vCenterScans....................
...... 289
DeletingthevCenter....................... 289
ExportingProfiles.................
........ 289
VMwareOperationalCommands.................. 290
Pre‐ProvisioningVEs.................
........ 290
VLANMaps ............................. 291
VMPolicyBandwidthControl........
............. 292
VMPolicyBandwidthControlCommands .............. 292
BandwidthPoliciesvs.BandwidthShaping .............
293
VMreadyInformationDisplays .................... 293
LocalVEInformation....................... 293
vCenterHypervisorHosts ..................... 294
vCenterVEs........................
... 295
vCenterVEDetails........................ 296
VMreadyConfigurationExample..................
.. 297
© Copyright Lenovo 2017 Contents 11
Chapter 17. FCoE and CEE . . . . . . . . . . . . . . . . . . . . 299
FibreChanneloverEthernet......................30 0
TheFCoETopology.....................
...300
FCoERequirements ........................301
ConvergedEnhancedEthernet .................
....302
TurningCEEOnorOff ...................... 302
EffectsonLinkLayerDiscoveryProtocol..............
.302
Effectson802.1pQualityofService.................303
EffectsonFlowControl.....................
. 304
FCoEInitializationProtocolSnooping..................305
FIPSnoopingRequirements....................305
PortAggregation.
........................306
GlobalFIPSnoopingSettings.................... 306
FIPSnooping
forSpecificPorts...................306
FIPSLAGSupportonServerPorts ................. 307
PortFCFandENode
Detection................... 307
FCoEConnectionTimeout ..................... 308
FCoEACLRules ...
......................308
FCoEVLANs ...........................
 309
ViewingFIPSnoopingInformation .................309
OperationalCommands......................310
FIPSnoopingConfiguration .
...................310
Priority‐BasedFlowControl......................312
Globalvs.Port‐by‐
PortPFCConfiguration ..............313
PFCConfigurationExample ....................314
EnhancedTransmissionSelection ........
............ 316
802.1pPriorityValues .......................316
PriorityGroups ..........
................317
PGID ............................ 317
AssigningPriorityValuestoa
PriorityGroup........... 318
DeletingaPriorityGroup....................318
AllocatingBandwidth...........
..........319
ConfiguringETS.........................320
DataCenterBridgingCapabilityExcha nge .........
.......322
DCBXSettings ..........................322
EnablingandDisablingDCBX ..........
.......323
PeerConfigurationNegotiation .................323
ConfiguringDCBX .....................
...324
FCoEExampleConfiguration ..................... 326
Chapter 18. Fibre Channel . . . . . . . . . . . . . . . . . . . . 329
Ethernetvs.FibreChannel..................
.....330
SupportedSwitchRoles ........................331
NPVGateway...............
........... 331
Full‐FabricFC/FCoESwitch.................... 332
Limitations ...............
............. 332
12 CN4093 Application Guide for N/OS 8.4
ImplementingFibreChannel...................... 333
PortModes ........................
... 333
FibreChannelVLANs ....................... 334
PortMembership....................
..... 334
SwitchingMode......................... 335
NPVGateway ...............
........... 336
NPVPortTrafficMapping................... 33 6
NPVDisruptiveLoad‐Balancing ............
.... 336
Limitations .......................... 337
FullFabricMode................
......... 338
FullFabricZoning....................... 338
Zones...............
............. 338
E‐Ports............................ 341
OptimizedFCoETrafficFlow ....
.............. 342
StorageManagementInitiativeSpecification(SMI‐S) ......... 343
Restrictions.....................
..... 343
FibreChannelConfiguration...................... 344
ConfigurationGuidelines..................
... 344
Example1:NPVGateway..................... 344
Example2:FullFabricFC/FCoESwitch ............... 346
FibreChannelStandardProtocolsSupported ............... 348
Chapter 19. Edge Virtual Bridging . . . . . . . . . . . . . . . . . 349
EVBOperationsOverview....................... 350
VSIDBSynchronization...
................... 350
VLANBehavior ......................... 351
DeletingaVLAN
....................... 351
ManualReflectiveRelay...................... 352
EVBConfiguration
.......................... 353
ConfiguringEVBinStackingMode...................
 355
Limitations............................. 356
Unsupportedfeatures.................
...... 356
Chapter 20. Static Multicast ARP . . . . . . . . . . . . . . . . . 357
ConfiguringStaticMulticastARP.................... 358
ConfigurationExample ..................
.... 358
Limitations............................. 360
Chapter 21. Unified Fabric Port . . . . . . . . . . . . . . . . . . 361
UFPLimitations............
............... 362
VirtualPortsModes ......................... 363
vPort‐S‐TagMapping ...
.................... 363
vPort‐VLANMapping ....................... 363
UFPvPortMode.
........................ 363
TunnelMode........................
. 364
802.1QTrunkMode...................... 364
AccessMode ......................
... 365
FCoEMode.......................... 36 5
Auto‐VLANMode ................
...... 365
© Copyright Lenovo 2017 Contents 13
UFPBandwidthProvisioning .....................366
EnhancedTransmissionSelectionmode...............366
UFPStrictBandwidthProvisioningmode..
............ 367
UsingUFPwithOtherCN409310GbConvergedScalableSwitchFeatures .. 368
Layer2Failover.......................
...368
IncreasedVLANLimits ......................368
PrivateVLANs ....................
......368
VMReady ............................369
802.1Qbg..............
...............369
UFPConfigurationExamples......................370
Example1:AccessMode.......
...............370
Example2:TrunkMode......................371
Example3:Auto‐VLANModewithVMready .
........... 373
Example4:Auto‐VLANModewithEdgeVirtualBridging ....... 374
Example5:TunnelMode....................
..375
Example6:FCoEMode......................376
Example7:PrivateVLAN Conf iguration ...............377
Example8:
Layer2FailoverConfiguration ..............37 9
Example9:8vPortswithETSbandwidthprovisioningmode......380
Chapter 22. Switch Partition . . . . . . . . . . . . . . . . . . . 383
SPARProcessingModes ..............
.......... 384
LocalDomainProcessing......................384
Pass‐ThroughDomainProcessing ............
......385
Limitations .............................386
UnsupportedFeatures............
...........387
SPARVLANManagement .......................388
ExampleConfigurations ............
............389
PassThroughConfigurat ion ....................389
LocalDomainConfiguration............
........389
Part 5:. IP Routing. . . . . . . . . . . . . . . . . . . . . . . . 391
Chapter 23. Basic IP Routing . . . . . . . . . . . . . . . . . . . 393
IPRoutingBenefits ..........................393
RoutingBetweenIPSubnets .......
...............393
SubnetRoutingExample ......................395
UsingVLANstoSegregateBroadcastDomains ....
........ 397
BOOTPRelayAgent .........................399
BOOTPRelayAgentConfiguration..........
.......399
Domain‐SpecificBOOTPRelayAgentConfiguration..........400
DynamicHostConfigurationProtocol..................401
DHCPRelayAgent...
.....................401
DHCPRelayAgentConfiguration..................402
Chapter 24. Internet Protocol Version 6 . . . . . . . . . . . . . . . 403
IPv6Limitations ....
....................... 404
IPv6AddressFormat........................
. 405
14 CN4093 Application Guide for N/OS 8.4
IPv6AddressTypes ......................... 406
UnicastAddress....................
..... 406
MulticastAddress ........................ 406
AnycastAddress.................
........ 407
IPv6AddressAuto‐configuration.................... 408
IPv6Interfaces................
............ 409
NeighborDiscovery ......................... 410
Hostvs.Router .........
................. 411
SupportedApplications........................ 412
IPv6Configuration....
...................... 414
ConfigurationGuidelines..................... 414
IPv6ConfigurationExamples...
................. 414
IPv6ConfigurationExample1................. 414
IPv6ConfigurationExample2.......
.......... 415
Chapter 25. Using IPsec with IPv6 . . . . . . . . . . . . . . . . . 417
IPsecProtocols ............................ 418
UsingIPsecwiththeCN4093......
................ 419
SettingupAuthentication..................... 420
CreatinganIKEv2Proposal ......
............ 420
ImportinganIKEv2DigitalCertificate.............. 421
GeneratingaCertificateSigningRequest.............
421
GeneratinganIKEv2DigitalCertificate ............. 423
EnablingIKEv2PresharedKeyAuthentication .......... 424
SettingUpaKeyPolicy...........
........... 424
UsingaManualKeyPolicy..................... 426
UsingaDynamicKeyPolicy .........
........... 428
Chapter 26. Routing Information Protocol . . . . . . . . . . . . . 429
DistanceVectorProtocol ....................... 429
Stability ...........
.................... 429
RoutingUpdates........................... 430
RIPv1 .
............................... 430
RIPv2 ...................
............. 430
RIPv2inRIPv1CompatibilityMode .................. 430
RIPFeatures...........
.................. 431
PoisonReverse.......................... 431
TriggeredUpdates ..
...................... 431
Multicast ...........................
. 431
DefaultRoute.......................... 431
Metric ....................
.......... 431
Authentication .......................... 432
RIPConfigurationExample..........
............ 433
Chapter 27. Internet Group Management Protocol . . . . . . . . . . 435
IGMPSnooping........................... 436
IGMPGroups.....
..................... 437
IGMPv3............................
. 437
IGMPSnoopingConfigurationExample............... 438
StaticMulticastRouter....................... 439
© Copyright Lenovo 2017 Contents 15
IGMPRelay.............................440
ConfigurationGuidelines.................
....440
IGMPRelayConfigurationExample ................. 441
IGMPQuerier ........................
....442
IGMPQuerierConfigurationExample................442
AdditionalIGMPFeatures......................
. 443
FastLeave............................44 3
IGMPFiltering..................
........443
ConfiguringtheRange..................... 444
ConfiguringtheAction...............
......444
IGMPFilteringConfigurationExample.............. 444
Chapter 28. Multicast Listener Discovery . . . . . . . . . . . . . . 445
MLDTerms ........................
.....446
HowMLDWorks........................... 447
HowFloodingImpactsMLD ...........
.........448
MLDQuerier ........................... 448
QuerierElection ............
............ 448
DynamicMrouters........................44 9
MLDCapacityandDefaultValues......
.............450
ConfiguringMLD........................... 451
Chapter 29. Border Gateway Protocol . . . . . . . . . . . . . . . 453
InternalRoutingVersusExternalRouting...
............. 454
FormingBGPPeerRouters.......................45 5
WhatisaRouteMap?.....
....................456
IncomingandOutgoingRouteMaps ................ 457
Precedence .........
...................457
ConfigurationExample......................457
AggregatingRoutes....
....................459
RedistributingRoutes....................... 459
BGPAttributes...
......................... 460
LocalPreferenceAttribute.....................460
Metric(Multi‐ExitDiscriminator)Attribute ..............460
SelectingRoutePathsinBGP......................461
BGPFailoverConfiguration ...
...................462
DefaultRedistributionandRouteAggregationExample..........46 4
Chapter 30. OSPF . . . . . . . . . . . . . . . . . . . . . . . . 467
OSPFv2Overview............
..............467
TypesofOSPFAreas....................... 468
TypesofOSPFRoutingDevices ....
...............469
NeighborsandAdjacencies.....................470
TheLink‐StateDatabase ........
..............470
TheShortestPathFirstTree ....................471
InternalVersusExternalRouting ......
............471
16 CN4093 Application Guide for N/OS 8.4
OSPFv2ImplementationinEnterpriseNOS............... 472
ConfigurableParameters...................... 472
DefiningAreas.....
..................... 473
AssigningtheAreaIndex ................... 473
UsingtheAreaIDto
AssigntheOSPFAreaNumber........ 474
AttachinganAreatoaNetwork................. 474
InterfaceCost ..............
............ 475
ElectingtheDesignatedRouterandBackup............. 475
SummarizingRoutes................
....... 475
DefaultRoutes .......................... 476
VirtualLinks ..............
............. 477
RouterID ............................ 477
Authentication .....
..................... 478
ConfiguringPlainTextOSPFPasswords ............. 479
ConfiguringMD5Authenticati on ........
........ 480
HostRoutesforLoadBalancing................... 481
LoopbackInterfacesinOSPF..............
...... 481
OSPFFeaturesNotSupported ................... 482
OSPFv2ConfigurationExamples..................
.. 483
Example 1:SimpleOSPFDomain.................. 483
Example 2:VirtualLinks...................... 485
Configuring
OSPFforaVirtualLinkonSwitch#1......... 485
ConfiguringOSPFforaVirtualLinkonSwitch#2......... 486
OtherVirtualLinkOptions ...........
........ 48 8
Example 3:SummarizingRoutes.................. 488
VerifyingOSPFConfiguration ..................
. 490
OSPFv3ImplementationinEnterpriseNOS............... 491
OSPFv3DifferencesfromOSPFv2.................. 491
OSPFv3RequiresIPv6Interfaces...
............. 491
OSPFv3UsesIndependentCommandPaths........... 491
OSPFv3IdentifiesNeighborsbyRouterID ............ 491
OtherInternal
Improvements .................. 492
OSPFv3Limitations ........................ 492
OSPFv3ConfigurationExample...
............... 492
NeighborConfigurationExample................ 495
Chapter 31. Protocol Independent Multicast. . . . . . . . . . . . . 497
PIMOverview.............
............... 497
SupportedPIMModesandFeatures................. 498
BasicPIMSettings ..........
................ 499
GloballyEnablingorDisablingthePIMFeature............ 499
DefiningaPIMNetworkComponent...........
..... 499
DefininganIPInterfaceforPIMUse ................ 500
PIMNeighborFilters ..................
..... 500
AdditionalSparseModeSettings.................... 502
SpecifyingtheRendezvousPoint .................
. 502
InfluencingtheDesignatedRouterSelection............. 502
SpecifyingaBootstrapRouter................... 503
© Copyright Lenovo 2017 Contents 17
UsingPIMwithOtherFeatures .....................504
PIMwithACLsorVMAPs....................
. 504
PIMwithIGMP ..........................504
PIMConfigurationExamples...................
...505
Example1:PIM‐SMwithDynamicRP................505
Example2:PIM‐SMwithStaticRP ................
. 506
Example3:PIM‐DM ........................506
Part 6:. High Availability Fundamentals . . . . . . . . . . . . . . . 509
Chapter 32. Basic Redundancy . . . . . . . . . . . . . . . . . . 511
AggregationforLinkRedundancy................
...511
HotLinks..............................512
ForwardDelay.............
............. 512
Preemption............................512
FDBUpdate ......
.....................512
ConfigurationGuidelines.....................513
ConfiguringHotLinks....
...................513
Chapter 33. Layer 2 Failover . . . . . . . . . . . . . . . . . . . 515
AutoMonitoringLAGLinks...................... 516
VLANMonitor ..
........................ 516
AutoMonitorConfigurations .................... 516
SettingtheFailover
Limit ..................... 518
ManuallyMonitoringPortLinks....................519
MonitorPortState..
.......................519
ControlPortState........................
.519
L2FailoverwithOtherFeatures ....................520
LACP......................
........ 520
SpanningTreeProtocol......................520
ConfigurationGuidelines ...............
........521
AutoMonitorGuidelines......................521
ManualMonitorGuidelines..............
......521
ConfiguringLayer2Failover ......................522
AutoMonitorExample ................
......522
ManualMonitorExample..................... 522
Chapter 34. Virtual Router Redundancy Protocol . . . . . . . . . . . 523
VRRPOverview ................
........... 523
VRRPComponents........................ 524
VirtualRouter............
............. 524
VirtualRouterMACAddress. .................524
OwnersandRenters...........
........... 524
MasterandBackupVirtualRouter ................524
VirtualInterfaceRouter ................
....525
VRRPOperation.........................525
SelectingtheMasterVRRPRouter..............
....525
18 CN4093 Application Guide for N/OS 8.4
FailoverMethods........................... 526
Active‐ActiveRedundancy....................
. 527
Hot‐StandbyRedundancy..................... 527
VirtualRouterGroup......................
. 528
EnterpriseNOSExtensionstoVRRP.................. 529
VirtualRouterDeploymentConsiderations............... 530
AssigningVRRPVirtualRouterID .
................ 530
ConfiguringtheSwitchforTracking. ................ 530
HighAvailabilityConfigurations ..........
.......... 531
Active‐ActiveConfiguration .................... 531
Task1:ConfigureCN40931 ............
...... 53 2
Task2:ConfigureCN40932 .................. 533
Hot‐StandbyConfiguration.................
... 535
Task1:ConfigureCN40931 .................. 536
Task2:ConfigureCN40932 .................. 537
Part 7:. Network Management. . . . . . . . . . . . . . . . . . . 539
Chapter 35. Link Layer Discovery Protocol . . . . . . . . . . . . . 541
LLDPOverview... ........................ 542
LLDP‐StackingMode..................
..... 542
EnablingorDisablingLLDP...................... 543
GlobalLLDPSetting ...............
........ 543
TransmitandReceiveControl................... 543
LLDPTransmitFeatures.................
....... 544
ScheduledInterval ........................ 544
MinimumInterval..............
.......... 544
Time‐to‐LiveforTransmittedInformation.............. 545
TrapNotifications ..................
...... 545
ChangingtheLLDPTransmitState................. 546
TypesofInformationTransmitted..................
547
LLDPReceiveFeatures........................ 549
TypesofInformationReceived ...................
 549
ViewingRemoteDeviceInformation................ 549
Time‐to‐LiveforReceivedInformation ............... 552
LLDPExampleConfiguration.....
................ 553
Chapter 36. Simple Network Management Protocol. . . . . . . . . . 555
SNMPVersion1........................... 556
SNMPVersion
3........................... 557
DefaultConfiguration....................
... 557
UserConfigurationExample.................... 558
View‐BasedConfigurations.................... 559
SecureAuditLogging....................... 561
© Copyright Lenovo 2017 Contents 19
ConfiguringSNMPTrapHosts..................... 562
SNMPv1TrapHostConfiguration..................562
SNMPv2TrapHostConfiguration.
.................563
SNMPv3TrapHostConfiguration..................564
SNMPMIBs.. .......
..................565
SwitchImagesandConfigurationFiles................ 573
LoadingaNewSwitchImage........
............ 574
LoadingaSavedSwitchConfiguration. ............... 574
SavingtheSwitchConfiguration.............
.....575
SavingaSwitchDump.......................575
Chapter 37. Service Location Protocol . . . . . . . . . . . . . . . 577
ActiveDADiscovery...............
........577
Chapter 38. System License Keys . . . . . . . . . . . . . . . . . 578
ObtainingActivationKeys .....................578
InstallingActivationKeys ..............
.......578
TransferringActivationKeys.................... 579
TrialKeys .................
........... 579
FlexiblePortMapping....................... 580
Chapter 39. Secure Input/Output Module . . . . . . . . . . . . . . 581
SIOMOverview.. ........
................. 582
SwitchAccessinSIOMMode ....................583
UsingSIOMwithStacking .....
................ 583
SIOMFeatureConsiderations....................585
CreatingaPolicySetting........
................586
ProtocolsAffectedbythePolicySetting............... 586
InsecureProtocols...........
............ 586
SecureProtocols........................587
InsecureProtocolsUnaffectedbySIOM .......
......587
ManagingUserAccounts....................... 589
UsingCentralizedSNMPv3ManagementwithSIOM.........589
ImplementingSNMPv3
withSIOM.................589
ImplementingSecureLDAP(LDAPS)..................591
EnablingLDAPS .......
..................591
DisablingLDAPS .........................592
SyslogsandLDAPS .
....................... 593
SIOMDependencies .........................
594
Part 8:. Monitoring . . . . . . . . . . . . . . . . . . . . . . . 595
Chapter 40. Remote Monitoring . . . . . . . . . . . . . . . . . . 597
RMONOverview ...........................597
RMONGroup1–Statistics..................
.....598
RMONGroup2–History........................ 599
HistoryMIBObjects ................
........ 599
ConfiguringRMONHistory .................... 599
20 CN4093 Application Guide for N/OS 8.4
RMONGroup3–Alarms ....................... 601
AlarmMIBObjects.....................
... 601
ConfiguringRMONAlarms.................... 601
AlarmExample1.....................
.. 601
AlarmExample2....................... 602
RMONGroup9–Events..................
...... 603
Chapter 41. sFLOW . . . . . . . . . . . . . . . . . . . . . . . 605
sFlowStatisticalCounters ....................... 605
sFlowNetworkSampling..............
......... 605
sFlowExampleConfiguration..................... 606
Chapter 42. Port Mirroring . . . . . . . . . . . . . . . . . . . . 607
PortMirroringBehavior..............
.......... 608
ConfiguringPortMirroring.................... 608
Part 9:. Appendices . . . . . . . . . . . . . . . . . . . . . . . 609
Appendix A. Glossary . . . . . . . . . . . . . . . . . . . . . . 611
Appendix B. Getting help and technical assistance. . . . . . . . . . 613
Appendix C. Notices . . . . . . . . . . . . . . . . . . . . . . 615
Trademarks.............
................ 617
ImportantNotes........................... 618
RecyclingInformation...
...................... 619
ParticulateContamination ....................... 620
TelecommunicationRegulatoryStatement.
............... 621
ElectronicEmissionNotices...................... 622
FederalCommunicationsCommission(FCC)Statement....
.... 622
IndustryCanadaClassAEmissionComplianceStatement ....... 622
AvisdeConformitéàlaRéglementationdʹIndustrieCanada...... 622
AustraliaandNewZealandClassAStatement .........
... 622
EuropeanUnion‐CompliancetotheElectromagneticCompatibilityDirective
623
GermanyClassAStatement.................... 623
JapanVCCIClassAStatement. .........
......... 624
JapanElectronicsandInformationTechnologyIndustriesAssociation
(JEITA) Statement......................... 625
KoreaCommunicationsCommission(KCC)Statement....
..... 625
RussiaElectromagneticInterference(EMI)ClassAstatement ...... 625
People’sRepublicofChinaClassAelectronicemissionstatement.... 625
TaiwanClassAcompliancestatement..............
.. 625
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 627
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Lenovo Flex System Fabric CN4093 Application Manual

Lenovo
Brand
Lenovo
Model
Flex System Fabric CN4093
Category
Network switches
Type
Application Manual
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