how airgroup service works in aruba …...july 26th, 2016 presenter: barath srinivasan...
TRANSCRIPT
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HOW AIRGROUP SERVICE WORKS IN ARUBA INSTANT APTechnical Climb Webinar10:00 GMT | 11:00 CET | 13:00 GSTJuly 26th, 2016Presenter: Barath Srinivasan
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Welcome to the Technical Climb Webinar
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Housekeeping
Thiswebinarwillberecorded
Alllineswillbemutedduringthewebinar
Howcanyouaskquestions?Usethequestionpanelonyourscreen
TherecordedpresentationwillbepostedonAirheadsCommunity(http://community.arubanetworks.com/)
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WHAT IS AIRGROUP FEATURE?
How is Airgroup implemented in Aruba?
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Introduction: Airgroup
AirGroupisauniqueenterprise-classcapabilitythatleverageszeroconfigurationnetworkingtoenableBonjour®serviceslikeApple®AirPrintandAirPlayfrommobiledevicesinanefficientmanner
AirGroupsolutionsupportsbothwiredandwirelessdevices.WireddeviceswhichsupporttheBonjourservicesaremadepartoftheAirGroupwhentheVLANsofthedevicesareterminatedontheVirtualController.
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Airgroup and Aruba Clearpass
AirGroupalsosupportsArubaClearPassPolicyManager(CPPM).
WithArubaCPPM:
• Users,suchasstudentsindormroomscanregistertheirpersonaldevicesanddefineagroupofuserswhoareallowedtosharetheusers’registereddevices.
• Administratorscanregisterandmanageanorganization'sshareddeviceslikeprintersandconferenceroomAppleTVs.Anadministratorcangrantglobalaccesstoeachdevice,orrestrictaccessaccordingtotheusername,role,oruserlocation.
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Airgroup Architecture at a glance
Thedistibuted AirGrouparchitectureallowseachIAPtohandleBonjourqueriesandresponsesindividuallyinsteadofoverloadingaVirtualcontrollerwiththesetasks.ThisresultsinascalableAirGroupsolution.
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How does Airgroup work?
AirGroupfunctionalityisdescribedinthestepsbelow.ThisflowoccurswhenanArubaWLANispoweredbyanArubaInstantandClearPassPolicyManager.Adevicecanberegisteredbyanadministratororaguestuser.
1. TheAirGroupadministratorgivesanendusertheAirGroupoperatorrolewhichauthorizestheusertoregistertheusersdevice—suchasanAppleTVontheClearPassPolicyManagerplatform.
2. ArubaInstantmaintainsstateinformationforallmDNSservices.ArubaInstantqueriesClearPassPolicyManagertomapeachdevice’saccessprivilegestoavailableservices.
3. ArubaInstantrespondsbacktothequerymadebyadevicebasedoncontextualdata– userrole,username,andlocation.
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Use case scenario: Airgroup in Enterprise IAP WLAN
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Features of Airgroup
• AirGroupsendsunicastresponsestomDNSqueriesandreducesmDNStrafficfootprint.
• Ensurecross-VLANvisibilityandavailabilityofmDNSdevicesandservices.
• AlloworblockmDNSservicesforallusers.
• AlloworblockmDNSservicesbasedonuserroles.
• AlloworblockmDNSservicesbasedonVLANs.
• Matchusers’devices,suchasiPads,totheirclosestBonjourdevices,suchasprinters.ThisrequiresCPPMsupport.
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Clearpass related Airgroup features
• RegistrationportalforWLANuserstoregistertheirpersonaldevices,suchasAppleTVsandprinters.
• RegistrationportalforWLANadministratorstoregistershareddevices,suchasconferenceroomAppleTVsandprinters.
• Operator-defined“personalAirGroups”tospecifyalistofotheruserswhocansharedeviceswiththeoperator.
• Administratordefinedusername,userrole,andlocationattributesforshareddevices.
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The overall Airgroup Solution
ThecomponentsthatmakeuptheAirGroupSolutionincludetheArubaInstant,ClearPassPolicyManager,andClearPassGuest.
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Configuring Airgroup on Aruba Instant
ConfiguringAirGroupanditsservicerequiresthatyouenabletheAirGroupfeature.IAPAirGroupsupportstwodefaultservicesi.e.AirPlayandAirPrint.
AsthefirststepinconfiguringAirGroupservices,youmustenableAirGroupintheInstantUI.1. GotoSettings >AirGroup toenablethisfeature.2. SelectEnableAirGroup toviewtheAirGroupSettings.Instantsupportstwotypesdeploymentmodels:• IntraCluster• InterClusterIntheIntraClustermodel,theIAPdoesnotsharethemDNSdatabaseinformationwiththeotherclusters.IntheInterClustermodel,theIAPsharesthemDNSdatabaseinformationwiththeotherclusters.
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Enabling Airgroup across mobility domains
Enable Air Group across mobility domains—
Select Enable Air Group across mobility domains to enable Inter cluster.
NOTE: By default, this feature is disabled.
Navigate to L3 Mobility tab of Settings to define a set of clusters.
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Enabling Air Print and Air Play
EnableAirPrint—Whenenabled,thefollowingtwooptionsaremadeavailable:
• AirPrintdisallowedroles— ClientswiththeseroleswillnothaveaccesstoAirPrintdevices.
• AirPrintdisallowedVLANs— NoAirPrintserverswillbeseenontheseVLANs.
EnableAirPlay—Whenenabled,thefollowingtwooptionsaremadeavailable:
• AirPlaydisallowedroles— ClientswiththeseroleswillnothaveaccesstoAirPlaydevices.
• AirPlaydisallowedVLANs— NoAirPlayserverswillbeseenontheseVLANs.
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Troubleshooting Airgroup
YoucanviewthefollowingAirGroupcommandsintheCommanddrop-downlist.
• APAirGroupCache— DisplaystheBonjourmDNSrecordsfortheselectedIAP(s).• APAirGroupCPPMEntries— DisplaystheAirGroupCPPMpoliciesoftheregistereddevices.• APAirGroupCPPMServers— DisplaystheAirGroupCPPMserverinformation.• APAirGroupDebugStatistics— DisplaysthedebugstatisticsfortheselectedIAP(s).• APAirGroupServers— DisplaysinformationabouttheBonjourdeviceswhichsupportsAirPrintandAirPlay
servicesfortheselectedIAP(s).• APAirGroupUser— DisplaysIP/MACaddress,devicename,VLAN,typeofconnectionoftheBonjourdevices
fortheselectedIAP(s).• VCAirGroupService— DisplaysthebonjourservicessupportedfortheselectedIAP(s).• VCAirGroupStatus— Displaystheenable/disablestatusoftheAirGroupandtheparametersoftheCPPM
serversfortheselectedIAP(s).• VCAirGroupvlan— DisplaystheAirGroupstatusinformationforaVLANoftheselectedIAP(s).
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QUESTIONS
Any Questions?