Lab 42 InterVLAN Routing with an Internal Route Processor and.docx

Lab 42 InterVLAN Routing with an Internal Route Processor and.docx

《Lab 42 InterVLAN Routing with an Internal Route Processor and.docx》由会员分享，可在线阅读，更多相关《Lab 42 InterVLAN Routing with an Internal Route Processor and.docx（24页珍藏版）》请在冰豆网上搜索。

Lab42InterVLANRoutingwithanInternalRouteProcessorand

Lab4-2Inter-VLANRoutingwithanInternalRouteProcessorand

MonitoringCEFFunctions

TopologyDiagram

Objective

ThislabroutesbetweenVLANsusinga3560switchwithaninternalroute

processorusingCiscoExpressForwarding（CEF）.

Scenario

Thecurrentnetworkequipmentincludesa3560distributionlayerswitchand

two2960accesslayerswitches.Thenetworkissegmentedintothreefunctional

subnetsusingVLANsforbetternetworkmanagement.TheVLANsinclude

Finance,Engineering,andasubnetforequipmentmanagement,whichisthe

defaultmanagementVLAN,VLAN1.AfterVTPandtrunkinghavebeen

configuredfortheswitches,SwitchedVirtualInterfaces（SVI）areusedonthe

distributionlayerswitchtoroutebetweentheseVLANs,givingfullconnectivity

totheinternalnetwork.

2-13CCNP:

BuildingMultilayerSwitchedNetworksv5.0-Lab4-2Copyright©2006,CiscoSystems,Inc

Step1

Poweruptheswitchesandusethestandardprocessforestablishinga

HyperTerminalconsoleconnectionfromaworkstationtoeachswitchinyour

pod.Ifyouareremotelyaccessingyourequipment,followyourteacher’s

instructions.

RemoveallVLANinformationandconfigurationsthatwerepreviouslyentered

intoyourswitches.（RefertoLab2.0aor2.0bifneeded.）

Step2

Cablethelabaccordingtothediagram.Configurethehostname,password,

andtelnetaccessoneachswitch.

Thefollowingisasampleconfigurationforthe2960switchALS1:

Switch#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

Switch（config）#hostnameALS1

ALS1（config）#enablesecretcisco

ALS1（config）#linevty015

ALS1（config-line）#passwordcisco

ALS1（config-line）#login

ALS1（config-line）#end

Thefollowingisasampleconfigurationforthe2960switchALS2:

Switch#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

Switch（config）#hostnameALS2

ALS2（config）#enablesecretcisco

ALS2（config）#linevty015

ALS2（config-line）#passwordcisco

ALS2（config-line）#login

ALS2（config-line）#end

Thefollowingisasampleconfigurationforthe3560switchDLS1:

Switch#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

Switch（config）#hostnameDLS1

DLS1（config）#enablesecretcisco

DLS1（config）#linevty015

DLS1（config-line）#passwordcisco

DLS1（config-line）#login

DLS1（config-line）#end

ConfiguremanagementIPaddressesonVLAN1forallthreeswitches

accordingtothediagram.

Thefollowingisasampleconfigurationforthe2960switchALS1:

ALS1#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

ALS1（config）#interfacevlan1

3-13CCNP:

BuildingMultilayerSwitchedNetworksv5.0-Lab4-2Copyright©2006,CiscoSystems,Inc

ALS1（config-if）#ipaddress172.16.1.101255.255.255.0

ALS1（config-if）#noshutdown

ALS1（config-if）#exit

Thefollowingisasampleconfigurationforthe2960switchALS2:

ALS2#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

ALS2（config）#interfacevlan1

ALS2（config-if）#ipaddress172.16.1.102255.255.255.0

ALS2（config-if）#noshutdown

ALS2（config-if）#exit

Thefollowingisasampleconfigurationforthe3560switchDLS1:

DLS1#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

DLS1（config）#interfacevlan1

DLS1（config-if）#ipaddress172.16.1.1255.255.255.0

DLS1（config-if）#noshutdown

DLS1（config-if）#exit

Configuredefaultgatewaysontheaccesslayerswitches.Thedistributionlayer

switchwillnotuseadefaultgateway,becauseitactsasaLayer3device.The

accesslayerswitchesactasLayer2devicesandneedadefaultgatewayto

sendtrafficoffofthelocalsubnetforthemanagementVLAN.

Thefollowingisasampleconfigurationforthe2960switchALS1:

ALS1#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

ALS1（config）#ipdefault-gateway172.16.1.1

ALS1（config-line）#end

Thefollowingisasampleconfigurationforthe2960switchALS2:

ALS2#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

ALS2（config）#ipdefault-gateway172.16.1.1

ALS2（config-line）#end

Step3

ConfiguretrunksandEtherChannelsbetweenswitches.

TodistributeVLANandVTPinformationbetweentheswitches,trunksare

neededbetweenthethreeswitches.Configurethesetrunksaccordingtothe

diagram.EtherChannelisusedforthesetrunks.EtherChannelallowsyouto

utilizebothFastEthernetinterfacesthatareavailablebetweeneachdevice,

therebydoublingthebandwidth.

ThefollowingisasampleconfigurationforthetrunksandEtherChannelfrom

DLS1toASL1.Theswitchporttrunkencapsulation[isl|dot1q]commandis

usedbecausethisswitchalsosupportsISLencapsulation.

4-13CCNP:

BuildingMultilayerSwitchedNetworksv5.0-Lab4-2Copyright©2006,CiscoSystems,Inc

DLS1#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

DLS1（config）#interfacerangefastethernet0/7-8

DLS1（config-if-range）#switchporttrunkencapsulationdot1q

DLS1（config-if-range）#switchportmodetrunk

DLS1（config-if-range）#channel-group1modedesirable

Creatingaport-channelinterfacePort-channel1

ThefollowingisasampleconfigurationforthetrunksandEtherChannelfrom

DLS1toASL2:

DLS1#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

DLS1（config）#interfacerangefastethernet0/9-10

DLS1（config-if-range）#switchporttrunkencapsulationdot1q

DLS1（config-if-range）#switchportmodetrunk

DLS1（config-if-range）#channel-group2modedesirable

Creatingaport-channelinterfacePort-channel2

ThefollowingisasampleconfigurationforthetrunksandEtherChannel

betweenALS1andDLS1,andforthetrunksandEtherChannelbetweenALS1

andALS2:

ALS1#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

ALS1（config）#interfacerangefastethernet0/11-12

ALS1（config-if-range）#switchportmodetrunk

ALS1（config-if-range）#channel-group1modedesirable

Creatingaport-channelinterfacePort-channel1

ALS1（config-if-range）#exit

ALS1（config）#interfacerangefastethernet0/7-8

ALS1（config-if-range）#switchportmodetrunk

ALS1（config-if-range）#channel-group2modedesirable

Creatingaport-channelinterfacePort-channel2

ThefollowingisasampleconfigurationforthetrunksandEtherChannel

betweenALS2andDLS1,andforthetrunksandEtherChannelbetweenALS2

andALS1.

ALS2#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

ALS2（config）#interfacerangefastethernet0/11-12

ALS2（config-if-range）#switchportmodetrunk

ALS2（config-if-range）#channel-group1modedesirable

Creatingaport-channelinterfacePort-channel1

ALS2（config-if-range）#exit

ALS1（config）#interfacerangefastethernet0/7-8

ALS1（config-if-range）#switchportmodetrunk

ALS1（config-if-range）#channel-group2modedesirable

Creatingaport-channelinterfacePort-channel2

5-13CCNP:

BuildingMultilayerSwitchedNetworksv5.0-Lab4-2Copyright©2006,CiscoSystems,Inc

VerifytrunkingbetweenDLS1,ALS1,andALS2usingtheshowinterface

trunkcommandonallswitches.

DLS1#showinterfacetrunk

PortModeEncapsulationStatusNativevlan

Po1on802.1qtrunking1

Po2on802.1qtrunking1

PortVlansallowedontrunk

Po11-4094

Po21-4094

PortVlansallowedandactiveinmanagementdomain

Po11

Po21

PortVlansinspanningtreeforwardingstateandnotpruned

Po11

Po21

Usetheshowetherchannelsummarycommandoneachswitchtoverifythe

EtherChannels.

ThefollowingissampleoutputfromALS1.NoticethetwoEtherChannelsonthe

accesslayerswitches.

ALS1#showetherchannelsummary

Flags:

D-downP-inport-channel

I-stand-alones-suspended

H-Hot-standby（LACPonly）

R-Layer3S-Layer2

U-inusef-failedtoallocateaggregator

u-unsuitableforbundling

w-waitingtobeaggregated

d-defaultport

Numberofchannel-groupsinuse:

2

Numberofaggregators:

2

GroupPort-channelProtocolPorts

------+-------------+-----------+---------------------------------------------

1Po1（SU）PAgPFa0/11（P）Fa0/12（P）

2Po2（SU）PAgPFa0/7（P）Fa0/8（P）

1.Whichportsareusedforchannelgroup2?

Step4

ChangetheVTPmodeofALS1andALS2toclient.

ALS1#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

6-13CCNP:

BuildingMultilayerSwitchedNetworksv5.0-Lab4-2Copyright©2006,CiscoSystems,Inc

ALS1（config）#vtpmodeclient

SettingdevicetoVTPCLIENTmode.

ALS1（config）#end

ALS2#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

ALS2（config）#vtpmodeclient

SettingdevicetoVTPCLIENTmode.

ALS2（config）#end

VerifytheVTPchangeswiththeshowvtpstatuscommand.

ALS2#showvtpstatus

VTPVersion:

2

ConfigurationRevision:

0

MaximumVLANssupportedlocally:

1005

NumberofexistingVLANs:

5

VTPOperatingMode:

Client

VTPDomainName:

VTPPruningMode:

Disabled

VTPV2Mode:

Disabled

VTPTrapsGeneration:

Disabled

MD5digest:

0xC80xAB0x3C0x3B0xAB0xDD0x340xCF

Configurationlastmodifiedby0.0.0.0at3-1-9315:

47:

34

2.HowmanyVLANscanbesupportedlocallyonthe2960switch?

Step5

CreatetheVTPdomainonDLS1andcreateVLANS100and200forthe

domain.

DLS1#configureterminal

Enterconfigurationcommands,oneperline.EndwithCNTL/Z.

DLS1（config）#vtpdomainSWPOD

DLS1（config）#vlan100

DLS1（config-vlan）#nameFinance

DLS1（config-vlan）#exit

DLS1（config）#vlan200

DLS1（config-vlan）#nameEngineering

DLS1（config-vlan）#end

VerifyVTPinformationthroughoutthedomainusingtheshowvlanandshow

vtpstatuscommands.

3.HowmanyexistingVLANsare