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ReleaseNotesforCiscoModelingLabsCorporateEditionVersion1.
0.
1FirstPublished:October31,2014ContentsCiscoModelingLabsOverview2SystemRequirements_3CiscoModelingLabsServer3SoftwareRequirements_3HardwareRequirements3CiscoModelingLabsClient5SoftwareLicensingandPackaging6OptionalVirtualImages_6CiscoModelingLabsLicensing_7SupportedVirtualImages7FileNamingConventionforInstallationImageFiles7CiscoIOSvSupportedFeatures8Caveats9CiscoModelingLabsServer9CiscoModelingLabsClient19ReleaseNotesforCiscoModelingLabs2CiscoModelingLabsOverviewCiscoModelingLabsisascalableandextensiblesoftwareplatformthatenablesoperators,engineers,networkdesigners,andarchitectstodesignCisco-basednetworksandrunsimulationsusingvirtualversionsofselectedCiscooperatingsystems.
ThesupportedvirtualCiscooperatingsystemsfunctionsimilartothewaytheyoperateonatraditionalCiscohardwareplatform.
ThecomponentsthatmakeupCiscoModelingLabsprovideasandboxenvironmentthatfacilitatesthedesign,configuration,visualization,andsimulationofnetworktopologiesquicklyandefficiently.
Thecomponentsinclude:TheCiscoModelingLabsserverTheserverisaLinuxdistributionthatisbundledas:oAnISOimagefileforbaremetalinstallations.
oAVMwareOVAforVMwareESXiinstallations.
Itisasharedresourcethatisusedbyenduserstorunbackendfunctions,suchascreatingrouter(node)bootstrapconfigurations,spinningupthenodestooperatewiththeirdesignatedoperatingsystem,andmodifyingandtestingtheconfigurations.
TheCiscoModelingLabsclientTheclientuserinterfaceprovidesthesandboxforuserstocreatenetworkdesignsusingpoint-and-clickfunctionality.
Thesandboxprovidesaccesstothenetworkdesignphase,thebuildphase(generatingnodeconfigurations),thevisualizationphase(theresultwhenusingtheAutoNetkitVisualizationoption),andthesimulationphase(simulatingaworkingnetwork)thatutilizesthelaunchfunctionsavailableintheCiscoModelingLabsserver.
VirtualImagesCiscoModelingLabsincludestheCiscoIOSv15.
4(2)TvirtualoperatingsystemandanUbuntu14.
04cloudimage.
Theoperationandcommandsyntaxusedwiththeseimagesisthesameasaphysicalplatformrunningthesamesoftware.
AstheCiscoIOSimageiscompiledforvirtualization,therearesomefeaturesupportlimitationsthatinclude:oNosupportforhardware-relatedfunctionality,suchasinterfacetypesbeyondGigabitEthernet.
oNosupportforLayer2functionality,suchaslayer2switchingandSpanningTreeProtocol.
SeetheCiscoIOSvSupportedFeaturessectionfordetailsonsupportedfeatures.
ReleaseNotesforCiscoModelingLabs3SystemRequirementsThissectioncoversthesystemrequirementsfortheCiscoModelingLabsserverandclient.
CiscoModelingLabsServerSoftwareRequirementsTheCiscoModelingLabsserverrunsonVMwareESXi5.
0U3,5.
1,5.
5,andbaremetalenvironments.
HardwareRequirementsTheCiscoModelingLabsserverrunsonaphysicalserverthatisbuiltwithVMwareESXi5.
0U3,5.
1,5.
5oronabaremetalenvironment.
TheCiscoModelingLabsimage:Isdeliveredas:oAnESXispecificOVAfile.
oAnISOimageforbaremetalinstallations.
Requiresaminimumof4vCPUsand16GBRAMforbothpackagestorun.
Thephysicalservermemoryrequirementsaredependentonthenumberofvirtualdevices(nodes)thatwillbesimulated.
ThefollowingaregeneralmemoryguidelinesforeachCisconodetypethatiscurrentlysupported.
CiscoOperatingSystemMemoryPerVirtualDeviceIOSv512MbCSR1000v3GBIOS-XRv3GBForguidanceonhardware,thefollowingisanexampleoftheBillofMaterials(BOM)foraCiscoUCSC220whentheintendeduseisupto50nodesandaUCSC460whenintendeduseisupto100nodes.
ReleaseNotesforCiscoModelingLabs4ServerwithCapacityforupto50VMs(XRVR1.
3-1.
5GB)SupportedHardwareProductsfortheCiscoUCSC220M3RackServerProductDescriptionQuantityUCSC-C220-M3SUCSC220M3SFFw/oCPU,mem,HDD,PCIe,PSU,w/railkit1UCS-CPU-E5-26902.
90GHzE5-2690/135W8C/20MBcache/DDR31600MHz2UCS-MR-1X162RY-A16GBDDR3-1600MHzRDIMM/PC3-12800/dualrank/1.
35v8A03-D1TBSATA1TB6GBSATA7.
2KRPMSFFHDD/hotplug/drivesledmounted2UCSC-RAID-9266-NBMegaRAID9266-8iw/obatterybackup1R2XX-RAID1RAID1settingenabled1UCSC-PSU-450W450-WpowersupplyforC-seriesRackServers2CAB-9K12A-NAPowercord,125VAC13ANEMA5-15plug,NorthAmerica2Included:N20-BBLKDHDDslotblankingpanelfor2.
5inch6Included:UCSC-HS-C220M3HeatsinkforUCSC220M3RackServer2Included:UCSC-RAIL1RailkitfortheC220,UCSC22,UCSC24RackServers1Included:UCSC-PCIF-01FFull-heightPClefillerforC-Series1Included:UCSC-PCIF-01HHalf-heightPClefillerforUCS1ReleaseNotesforCiscoModelingLabs5ServerwithCapacityforupto100VMs(XRVR1.
3–1.
5GB)SupportedHardwareProductsfortheCiscoUCSC460M2RackServerProductDescriptionQuantityUCSC-BASE-M2-C460UCSC460M2rackSVRw/oCPU,memHDD,PCle1UCS-CPU-E748502GHzE7-4850130W10CCPU/24Mcache4UCS-MR-2X164RX-D2X16GBNHSDDR3-1333MHzRDIMM/PC3-10600/quadrank/x4/1.
35v16RC460-PL002LSIcontroller9240-8i(Nobatterybackup)1A03-D1TBSATA1TB6GBSATA7.
2KRPMSFFHDD/hotplug/drivesledmounted4RC460-PSU2-850W850-WpowersupplyunitfortheC-SeriesC460M1RackServer2CAB-9K12A-NAPowercord,125VAC13ANEMA5-15plug,NorthAmerica4RC460-SLDRAILRailkitfortheUCSC460M1RackServer1Included:UCS-MKIT-164RX-DMemorykitforUCS-MR-2X164RX-D32Included:RC460-CBLARMCablemanagementarmfortheC460M1RackServer1Included:UCSC-MRB-002-C460MemoryRiserBoardfortheC460M2RackServeronly8Included:N20-BBLKDUCS2.
5-inchHDDBlankingpanel8Included:RC460-BHTS1CPUheatsinkfortheUCS460RackServer4Included:RC460-PSU2-850W850-WpowersupplyunitfortheC-SeriesC460M1RackServer2CiscoModelingLabsClientFollowingaretheminimumhardwareandsoftwarerequirementstosupporttheclientGUI:PC:RAM:2GBDiskSpace:150MBNetwork:anystandardIP-based(non-serial,usingIPv4)networkcardWindows7orWindows8JavaRuntimeEnvironmentversion6orversion7Mac:RAM:2GBDiskSpace:150MBNetwork:anystandardIP-based(non-serial,usingIPv4)networkcardMACOS10.
8orOS10.
9JavaRuntimeEnvironmentversion6orversion7ReleaseNotesforCiscoModelingLabs6SoftwareLicensingandPackagingCiscoModelingLabsisofferedasasubscriptionthatissoldasabasepackagewithoptionalexpansionkits.
ThepackagingisbasedonthenumberofvirtualCisconodesneededfornetworktopologycreationandsimulation.
Thesubscriptionoffers1-year,2-year,and3-yeartermoptions.
Thefollowingtableliststheavailablelicenses.
Contactyoursalesrepresentativeformoreinformation.
LicensePIDsDescriptionR-CML-CE-K9=ThebaseOVApackagethatincludestheCiscoModelingLabssoftware.
Thislicensecomeswith10Cisconodes,plus5additionalCisconodesatnoadditionalcost,foratotalof15nodes.
R-CML-CE-ISO-K9=ThebaseISOpackagethatincludestheCiscoModelingLabssoftware.
Thislicensecomeswith10Cisconodes,plus5additionalCisconodesatnoadditionalcost,foratotalof15nodes.
L-CML-CE-10N=Anexpansionpackthatenablesincrementsof10-nodecapacitiestobeaddedtothebasepackage.
L-CML-CE-50N=Anexpansionpackthatenablesincrementsof50-nodecapacitiestobeaddedtothebasepackage.
L-CML-CE-100N=Anexpansionpackthatenablesincrementsof100-nodecapacitiestobeaddedtothebasepackage.
OptionalVirtualImagesCiscoIOSXRvSimulationSiteLicenseforCiscoModelingLabsProductNumberDescriptionL-XRV-CMLSIM-1YR=CiscoIOS-XRvSimulationSiteVMLicense,1-yearTermExistingCompatibleCiscoCSR1000VProductandServiceSKUfora1-YearTermProductNumberDescriptionL-CSR-10M-STD-1Y=CSR1000Ve-PAK1-yearsubscription10MbpsStandardPackageL-CSR-10M-ADV-1Y=CSR1000Ve-PAK1-yearsubscription10MbpsAdvancedPackageL-CSR-10M-PRM-1Y=CSR1000Ve-PAK1-yearsubscription10MbpsPremiumPackageReleaseNotesforCiscoModelingLabs7Note:SeetheapplicabledatasheetforfurtherinformationonotheravailablePIDs.
CiscoModelingLabsLicensingThelicensegovernsthefollowingfunctionality:Therighttousethesoftwareforapredefinedperiodoftime.
CiscoModelingLabsisasubscription-basedoffering.
Subscriptionoptionsinclude1-year,2-year,and3-yeardurations.
ThenumberofCisconodesthatcanbesimulated.
ThenodelimitappliestoalloftheCisconodesacrossallsimulationsrunningatthesametime.
Forexample,ifyouhave10usersandtheyeachrunasimulationwith10Cisconodesatthesametime,youneeda100-nodelicenseasaminimum.
Duplicationofthesoftwaretomultipleplatformsisnotallowed.
ThelicensemaybeinstalledonlyonthephysicalserverthatmatchesthehostnameandMACaddressthatappearinthelicensekey.
EachlicenseoftheCiscoModelingLabsservercanbeinstalledonlyonceonasingleserver.
SupportedVirtualImagesCiscoModelingLabsisbundledwiththeCiscoIOSv15.
4(2)TvirtualoperatingsystemandanUbuntu14.
04serverimage.
Currently,CiscoModelingLabsalsosupportsCiscovirtualimagesIOSXRv5.
1.
1,IOSXRv5.
1.
2andCSR1000v3.
11,whichareavailableseparately.
DemoversionsoftheoptionalCiscovirtualimagescanbefoundonCCO,andproductversionscanbeorderedonCiscoCommerceWorkspace(CCW).
FileNamingConventionforInstallationImageFilesTheCiscoModelingLabsISOandOVAinstallationfilesusethefollowingfilenamingconvention:CiscoModelingLabsserver:ocml.
.
isoExamplename:cml.
vT333.
isoocml.
.
.
ovaExamplename:cml.
vT326.
esxi.
ovaCiscoModelingLabsClientoPC:cml-rcp--setup_.
exeExamplename:CML-rcp-1.
2.
0-356-setup_32.
exeoMAC:cml-rcp-.
dmgExamplename:CML-rcp-1.
2.
0-356.
dmgReleaseNotesforCiscoModelingLabs8CiscoIOSvSupportedFeaturesCiscoIOSvSoftwareRelease15.
4(2)TisincludedinCiscoModelingLabs.
Becauseitisusedinavirtualenvironment,anyhardware-relatedfunctionalityandLayer2functionssuchasSpanningTreeProtocolarenotcurrentlysupported.
Thefollowingtableliststhecurrentlysupportedfeatures.
AvailableAAAHSRPPerformanceMonitorACLIGMPPfRAVCIPSecPIMBFDIPSLAPPPoEBGPIPv4/IPv6RADIUSDHCPISISRIPDNSL2TPv3SNMPEEMLISPSSHEIGRPMPLSVRF-LITEEoMPLSMulticastVRRPEZVPNNATZBFWFlexNetflow+TNFNBAR2GLBPNTPGREOSPFUntestedAppNavOTVTACACSIPSQOSWCCPv2UnavailableVPLSVoiceLayer2ReleaseNotesforCiscoModelingLabs9CaveatsThissectionprovidesthecurrentcaveatsandassociatedsolutions.
CiscoModelingLabsServerSymptom:Modifyingthesettings.
inifileduringoraftertheinstallationiscompletecanhaveadverseeffectsandleavetheserverinanon-recoverablestate,requiringareinstallationoftheentireISOimageorOVA.
Synopsis:Notallfieldsinthesettings.
inifilecanbemodified.
Solution:Thesettings.
inifileprovidestheCiscoModelingLabsserverconfigurationdetailsthatitusesatthetimeofinstallation.
Notallsettingscanbechanged.
Usethistableasaguidetodeterminewhatfieldscanandcannotbemodified.
#Note:IFyoumakeachangeinthefilepleaseremovethe#atthestartofthatspecificline.
NOCHANGECHANGEONCEDuringInitialInstallMULTIPLECHANGES[changeable]##HOSTSYSTEMCONFIGURATION#DONOTCHANGETHEHOSTNAMEFROM'virl'.
THISISNOTSUPPORTEDATTHISTIME.
hostname=virlX#DomainName#Defaultdomain=cisco.
comX#Defaultisusingdhcponthepublicport=TrueX#Examplewithdhcpdisabled#usingdhcponthepublicport=FalseX#Primaryethernetportpublic_port=eth0X#IfnotDHCPwhatisthestaticIPaddressinuseonpublicport#Defaults#StaticIP=172.
16.
6.
250XReleaseNotesforCiscoModelingLabs10#Note:IFyoumakeachangeinthefilepleaseremovethe#atthestartofthatspecificline.
NOCHANGECHANGEONCEDuringInitialInstallMULTIPLECHANGES#public_network=172.
16.
6.
0X#public_netmask=255.
255.
255.
0X#public_gateway=172.
16.
6.
1X#Isyoursystembehindahttpproxy#Defaultproxy=FalseX#Example#proxy=TrueX#Ifenabledwhatisyourwebproxy#Default#httpproxy=http://ymbk.
example.
com:80/X#Ifbehindafirewall/proxychangethistoanntpserverthatsreachablefromthislocation#ifyourrunningbehindciscowebproxytryntp.
esl.
cisco.
com#Defaultntp_server=ntp.
ubuntu.
comX#Example#ntp_server=ntp.
esl.
cisco.
comX#Nameservers#Defaultsare(Don'tsetthemtoidenticaladdresses)firstnameserver=8.
8.
8.
8Xsecondnameserver=8.
8.
4.
4X#PhysicalPortandvirtualbridgeforL2bridge#Defaultl2_port=eth1Xl2_bridge_port=br-eth1X#l2network(AKAflat)ReleaseNotesforCiscoModelingLabs11#Note:IFyoumakeachangeinthefilepleaseremovethe#atthestartofthatspecificline.
NOCHANGECHANGEONCEDuringInitialInstallMULTIPLECHANGES#Defaultl2_network=172.
16.
/24Xl2_mask=255.
255.
255.
0Xl2networkgateway=172.
16.
1.
1X#l2bridgefirstandlastaddressfordhcpallocation#Defaultl2_start_address=172.
16.
1.
50Xl2_end_address=172.
16.
1.
250X#DoyouwanttoaddresstheL2bridgeportfordebugging#Defaultisaddressl2port=TrueXl2_address=172.
16.
1.
254X#Networksettingsforl3inaddress/cidrformatonlyplease(AKAsnat)#Defaultsettingl3_port=eth2Xl3_network=172.
16.
2.
0/24Xl3_mask=255.
255.
255.
0Xl3networkgateway=172.
16.
2.
1X#FloatingIPstartandendaddress#Defaultl3_floating_start_address=172.
16.
2.
50Xl3_floating_end_address=172.
16.
2.
250X#VirtualbridgeforLayer3agent#Defaultl3_bridge_port=br-exX#IPaddressfortheL3agentportReleaseNotesforCiscoModelingLabs12#Note:IFyoumakeachangeinthefilepleaseremovethe#atthestartofthatspecificline.
NOCHANGECHANGEONCEDuringInitialInstallMULTIPLECHANGES#Thisisnotcurrentlyused.
Ifyouwishtosetonefordebuggingpurposesedit/etc/network/interfacesandadd#autobr-ex#ifacebr-exinetstatic#addressaddress.
you.
want#netmasknetmask.
you.
want#Default#l3_address=172.
16.
2.
254#Doyouhave>16gofmemorytousearamdisk#Defaultramdisk=FalseX#Example#ramdisk=TrueX#ANKwebserverport#Defaultisank=8000X#VIRLwebservicesport#Defaultisvirlwebservices=8080X#VIRLusermanagementport#Defaultisvirlusermanagement=8081X#Serialconsoleportsettings#DefaultsStartofserialportrange=17000XEndofserialportrange=18000X#Enablevnconserver#Defaultvnc=FalseXReleaseNotesforCiscoModelingLabs13#Note:IFyoumakeachangeinthefilepleaseremovethe#atthestartofthatspecificline.
NOCHANGECHANGEONCEDuringInitialInstallMULTIPLECHANGES#Exampleforon#vnc=TrueX#Passwordforvnc#Default#.
.
.
changewithvncpasswdXvncpassword=letmein##USERACCOUNTCONFIGURATION#userlistSeparateuserandpasswordwith:userswith,#ThiswillonlyADDusers,notdeletethem.
Deleteviatheuwm#ALLusersinthislistwillberole'admin'andcanadd/deleteotherusers#Defaultuserlist=guest:guestX##Example:#userlist=usera:passa,userb:passb,sbiggs:rip,gday:gdayX#Passwordfortheuwmadminaccountfortheuwmuwmadminpassword=passwordX[install]#Thisisthepasswordfortheopenstackadminaccount#Defaultpassword=io8dsliwpX#passwordformysql#Default#Note:wedonotsupportchangingthisatthecurrenttimeReleaseNotesforCiscoModelingLabs14#Note:IFyoumakeachangeinthefilepleaseremovethe#atthestartofthatspecificline.
NOCHANGECHANGEONCEDuringInitialInstallMULTIPLECHANGESmysql_password=klzbboisX#Fornowweareusingasimpleservicetoken#Defaultkeystone_service_token=lkiqwellkkmnX[operational][packaging]cml=TrueX[testing]Symptom:Modifyingthesettings.
inifilewhenendusersarerunningsimulationscanhaveadverseeffectsandleavetheserverinanon-recoverablestate,requiringareinstallationoftheentireISOimageorOVA.
Synopsis:Donotmodifythesettings.
inifilewhensimulationsarerunning.
Solution:Ifthesettings.
inifilemustbemodifiedaftertheinitialdeploymentofCiscoModelingLabs,noactivesimulationsshouldberunningonthesystemduringthismaintenanceperiod.
Itisrecommendedthatallsimulationsarestoppedpriortomakingeditstothesettings.
inifileandsubsequentstepsinvolvingInstallNetworkingfollowedbyareboot,andInstallChangesfollowedbyareboot.
Symptom:Modifyingtheuwmadminpasswordinthesettings.
inifilecausestheUWMtonotstart.
Synopsis:Theuwmadminpasswordcannotbechangedviathesettings.
inifile.
Solution:Tochangetheuwmadminpassword,firstinstalltheCiscoModelingLabsserver.
ThenlogintotheUWMwiththedefaultuwmadmin/passwordcredentialsandchangeyourpasswordfromwithintheUWMinterface.
Symptom:CiscoModelingLabsServerreports'UNEXPECTEDINCONSISTENCY:RUNfsckMANUALLY'duringstartup.
ReleaseNotesforCiscoModelingLabs15Synopsis:Duringserverstartup,ifyouseeUNEXPECTEDINCONSISTENCY:RUNfsckMANUALLY,checkforanothermessagethatmayappear,stating'Superblocklastmounttime-now=isinthefuture'.
Solution:Pleasefixthesystemtimeonthehostmachineandretry(forexample,byusingthecommandsntpdatepool.
ntp.
orgorhwclock--set--date…).
Symptom:CiscoModelingLabsnolongerrespondstothekeyboardormousefollowingareload.
Synopsis:SomesystemadministratorshavereportedissueswithVMwareESXiwheretheyarenolongerabletousetheirmouseorkeyboardontheCiscoModelingLabsClient.
Solution:Addingthefollowinglinestothe.
vmxfilehasproventobeeffectiveinsomeinstanceswheretheissueisencountered.
usb.
generic.
allowHID="TRUE"usb.
generic.
allowLastHID="TRUE"EndUserSymptom:UsersreportthattheyhaveatopologywheresomenodesgoACTIVEandothersgointoanERRORstate.
Synopsis:Eachnodethatisconfiguredinatopologyisassociatedwithanoperatingsystemimage,suchasCiscoIOSv,CiscoIOSXRv,andsoon.
Eachnodeisalsoconfiguredwithaspecificmemorysizevaluethatisallocatedwhenthenodeisstartedup.
Forexample,CiscoIOSvrequires512MBandCiscoCSR1000Vrequires3072MB.
ReleaseNotesforCiscoModelingLabs16Whentheenduserrequeststostartasimulation,theCiscoModelingLabsserverwillevaluatethenodestartrequestandconfirmwhetherthereissufficientmemorytosupportthenode.
Ifthereisenoughmemory,thenodewillbootandwillbereportedasACTIVE.
Ifthereisinsufficientmemory,thenodewillbereportedasbeingintheERRORstate.
Becausetherequestsareevaluatedinthesequenceinwhichthenodestartrequestswerereceived,theendusermayseeasituationinwhichsomenodesintheirtopologystartup,whileothersgointotheERRORstate.
Theorderinwhichthestartrequestsaremadeisrandom.
Solution:ThesystemadministratorneedstodetermineiftheCiscoModelingLabsserverhasenoughmemorytosupportyourtopology.
EndUserSymptom:TheCisconodestopsrespondingwhenrunningalargetopology.
Synopsis:Iftoomanynodesarecreated,theymayconsumealloftheavailableservermemory,whichmayresultinthenodesbecomingunresponsive.
SystemAdministratorSolution:Manageresourcesbylimitingthenumberofnodesallowedtobestartedperuserorproject.
ExercisecautionandpayattentiontothememoryutilizationlevelsinsidetheCiscoModelingLabsserver.
YoucanseethisbyloggingintotheCiscoModelingLabsserverandissuingthetopcommand.
EndUserSymptom:EndusersrequesttheIPaddressoftheSNATrouter.
Synopsis:TheSNATrouterdetailsarenotviewableinUWM.
Solution:WhensettingupSNATforendusers,youwillneedtosupplythemwiththeIPaddressoftheSNATrouterthatthesystemautomaticallydefines.
NotethataSNATrouter,whichisusedasthedefaultgatewaybyendusers,iscreatedforeachactiveproject.
Assystemadministrator,youneedtoprovideenduserswiththeIPaddressoftheSNATrouterthatwillmaptotheirproject.
Note:TheSNATrouterIPaddressisstaticallydefined.
Itisonlyresetwhenaprojectisdeleted,inwhichcase,itisremoved.
TodeterminetheIPaddressforaSNATrouter,completethefollowingsteps:1.
LogintotheCiscoModelingLabsserver.
2.
Entertheneutronnet-listcommandtoverifythatthetargetedSNATprojectsappear.
ThiscommandlistsalloftheactivenetworksontheCiscoModelingLabsserver.
ReleaseNotesforCiscoModelingLabs17EachprojectisautomaticallyassignedaSNATnetwork.
Theformatis_snat.
VerifythattheprojectisactiveandhasacorrespondingSNATnetwork.
Inthefollowingimage,therearethreeprojects:demo,guest,andtest.
Theext-netentryindicatestheexternalnetworkthatwillbeusedfortheSNATtranslations.
3.
Entertheneutronrouter-listcommandtolocatetheuniqueidentifier(ID)fortheSNATrouterforthetargetedproject.
Takenoteofthisidentifier,asyouwillneedittorunthenextseriesofcommands.
Note:TheCiscoModelingLabsserverautomaticallycreatesaSNATrouterforreachproject.
Forexample,fortheprojectdemo,youwillneedtoprovidetheIPaddressoftheassociatedSNATroutertothemembersofthatproject,asshownbelow.
4.
Entertheneutronrouter-showcommandtoverifythattherouterforthetargetedprojectisACTIVE.
TheIDyouenteristhestringdisplayedafterthenetwork_idfieldfortheprojectname.
Inthisimage,youcanseethatthestatusfieldforthedemoSNATrouterisACTIVE.
ReleaseNotesforCiscoModelingLabs185.
TodeterminetheIPaddressontheSNATrouterthatwillactasthegateway,firstdeterminethefulllistofportsontheSNATrouterforthetargetedprojectbyenteringthecommandneutronrouter-port-list,whereidistheIDfieldfromtheneutronrouter-showlist.
Note:TheSNATroutermayhaveseveralactiveports.
6.
TodeterminetheportassignedtotheSNATnetwork,whichwillbeusedbyendusersasthedefaultgatewayintheirnodes,entertheneutronsubnet-showcommandforeachport,untilyouseeonethathasthenameformatof_snat,forexample,demo_snat.
ThegatewayIPaddressthatisshownistheIPtheaddressthatyouneedtoprovidetoallmembersofthetargetedproject.
Inthisexample,theportwiththeIPaddress10.
1.
1shouldbeprovidedtotheendusersassignedtothedemoproject.
ReleaseNotesforCiscoModelingLabs19CiscoModelingLabsClientSymptom:Atopologydiagramwithmorethanonelinkbetweenapairofnodesresultsinanerrorstating"InternalServerError".
Synopsis:Parallellinksbetweennodesarenotsupportedforautomaticconfiguration.
AutoNetkitdoesnotsupportparallellinks.
Solution:AdditionallinkscanbeaddedtoatopologyafterAutoNetkithasbeenrun.
Whenthenodebootsup,theinterfacewillbeprovisioned,butnoconfigurationisapplied.
Alternatively,youmayedittheconfigurationfileviatheTopologyEditorintheCiscoModelingLabsclientUIandmanuallyaddthenecessaryconfigurationentries.
Note:Toavoidoverwritingyourconfiguration,unchecktheAuto-generatecheckboxunderthenodeProperties>AutoNetkittab.
Symptom:Atopologycontainstwonodes.
WhenAutoNetkitisused,thenodesarenotvisibleinthenetworkvisualization.
Synopsis:Aspecificlayoutwithallnodesinastraightlinecanresultinavisualizationerror.
Solution:Whennodesareplacedontheexactsamehorizontalcoordinates,theygeneratethiserror.
Shiftonenodehorizontallytoavoidthiserror.
Symptom:WhenusingaPC,theAutoNetkitVisualizationdoesnotdisplay.
Synopsis:VisualizationisnotsupportedinInternetExplorer.
Solution:PleaseensurethattheUseexternalwebbrowsersettingunderFile>Preferences>General>WebBrowserisselectedandtheexternalwebbrowserissettoabrowsersuchasGoogleChrome,AppleSafari,orMozillaFirefox.
InternetExplorerisnotsupported.
ReleaseNotesforCiscoModelingLabs20Symptom:ResettingInterfacePropertiesfieldsforIPv4/IPv6/SubnetMaskresultsinanerror.
Synopsis:Whenanetworktopologyiscreatedandthe'Auto-Generate'functionisusedtocreatethenodeconfigurations,makingchangestothetopologysuchasremovingnodesandreconnectingnodesthenlaunchingasimulation,mayresultinalauncherror.
Solution:Aftermakingchangestoatopology,usethe'Auto-Generate'functiontoupdatethenodeconfigurationsbeforelaunchingasimulation.
Symptom:AutoNetkitdoesnotsupportIPv6addressingforMPLSVPNsSynopsis:Currently,MPLSVPNsusingIPv6addressesarenotsupported.
Solution:ManuallyassigntheIPaddressestoyournodeconfigurations.
Symptom:The.
virlfileincludesnodesubtypesthatdonotappearintheCiscoModelingLabsclientGUIthatisinstalled.
Synopsis:WhenanodesubtypethatisnotlistedintheGUIappearsinatopology,forexample,usinganIOSXRvrouterwhentheIOSXRvimageisnotinstalled,whenyoulaunchthesimulation,thelaunchwillfailbecauseitdoesReleaseNotesforCiscoModelingLabs21notrecognizethenodesubtype.
Thiscanhappenwhensomeoneshareda.
virlfilewithyouanditincludesnodesubtypesthatyoudonotcurrentlyhavesetupintheclientGUI.
Solution:VerifywithyoursystemadministratorthattheCiscoModelingLabsserveryouareconnectedtosupportsthenodesubtypesyouneed.
Ifso,downloadthenodesubtypestotheclientGUIbydoingthefollowing:ChooseFile>Preferences>NodeSubtypesfromtheclientUIandclickFetchfromServer.
Symptom:WhenspecifyinglocationsintheGeographicalmapInputGeographicallocationdialogbox,anerrorappears.
Synopsis:TheerrordialogappearswhenanunrecognizedvalueisaddedintheCitynamefieldoftheInputGeographicallocationdialogbox.
Thishappenswhenyouhavethedrop-downlistopened,butyouenteranameotherthanwhatisonthelist.
Solution:InputarecognizedvalueintheCitynamefield.
PressCTRL+Spacetoviewadrop-downlistofrecognizedvalues.
ReleaseNotesforCiscoModelingLabs22Symptom:Themultipointconnectionicondoesnotretainitspositionwhenplacedonthecanvasorgeographicalmap.
Instead,itrepositionsitselfautomatically,evenwhenspecificcoordinatesaredefinedinthegeographicalmapInputGeographicalLocationdialogbox.
Synopsis:WhenyoutrytoplacethemultipointconnectioninaspecificlocationintheTopologyEditor,itmovesautomaticallyanddoesnotretainitsposition.
Solution:Themultipointconnectioniconwillauto-positionitselfdependingonwheretheothernodesareplacedonthecanvasorgeographicalmapview.
Thereiscurrentlynowaytoretainitinaparticularspot.
Inaddition,whenyoudefinecoordinatesintheInputGeographicalLocationdialogbox,thosecoordinatesareignored.
Noworkaroundexistsatthistime.
Symptom:Whenthepan-rightcontrolispressed,thegeographicalmapshrinksinsteadofpanningtotheright.
Synopsis:WhenusingShowMapBackground,ifuserssetthecoordinatesofallthenodesoffthecurrentviewtowardtheright(east),whenscrollingtheviewporttoviewthosenodes,thepan-rightcontrolwillnotimmediatelypanthemap.
Thisissuerelatestothewaythemappanningcontrolsinteractwiththescrollbarswhenthemapareaisbiggerthanthecurrentviewport.
Whenallthenodesarerepositionedofftheviewporttotherightonthemap,theUIstillmaintainsthefullmapboundaries.
Solution:Continuepressingthepan-rightcontrol,asnotedintheSynopsis,orsavethetopologyaftersettingthenodegeographiclocations,thenclosethetopologyfileandreopenit.
WhentheTopologyEditorisopenedinGeographicmode,itwillresetthemapboundariesbasedonthecurrentpositionofthenodesinthetopology.
Inthisinstance,scrollingcompletelytotherightandthenpanningrightshouldworkasexpected.