HuaweiNE5000EWhitePaper.docx
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HuaweiNE5000EWhitePaper.docx
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HuaweiNE5000EWhitePaper
HuaweiNE5000E
Huawei’sMulti-ChassisCapableCoreRouter
StevenNoble(snoble@)
Abstract
ThispapercoversthehardwareusedfortheHuaweiNE5000Esystemincluding;hardwareconfigurationscurrentlyoffered,necessarypiecesforthedifferentconfigurations,Huawei’snamingconventionandanoverviewoftheupgradeprocess.
LastUpdated:
June24,2010
TableofContents
NE5000EHardwareNamingCheatSheet4
GeneralHardware4
Software4
DocumentSummary5
NE5000ETimeline6
NESeriesReleaseDatesandBackwardsCompatibility7
HuaweiInstallationBaseClaims7
NE5000ELogicalOverview9
NE5000EChassis9
NE5000EPhysicalOverview10
NE5000EChassis10
MPU(MasterProcessingUnit)11
SFU(SwitchFabricUnit)11
SFUC11
SFEA11
LPU(LineProcessingUnit)13
LineCardComparisonChart13
SpecificLineCards14
LPUA14
LPUC15
LPUE16
LPUFFamilyofLineCards16
LPUFBasicSpecifications16
LPUF-10/2017
LPUF-2117
LPUF-4017
SPU(ServiceProcessingUnit)17
VRP5.518
VersatileRoutingPlatform18
VRPOverview18
SoftwarePatching18
NextGenerationTechnology19
LPUF-100/LPUX(100GCard)19
ComparingtheCRS-1totheNE5000E20
Differences20
ProcessingPower20
Fabric20
Chassis20
ISSU21
Similarities21
InServiceHardwareUpgrade21
Fabric21
Appendix22
Hardware22
Software22
Figure1-Huaweiadshowingstand-alone,dualand4+2ClusterSystems
NE5000EHardwareNamingCheatSheet
GeneralHardware
LPU(LineProcessingUnit)–LineCard
MPU(MainProcessingUnit)–RouteProcessor
SFU(SwitchFabricUnit)–SwitchFabricCard
SPU(SerivceProcessingUnit)–ServicesCard
Software
VRP–VersitileRoutingPlatform–OperatingSystem
DocumentSummary
TheHuaweiQuidwayNetEngine5000E(NE5000E)isthecurrenthigh-endcorerouterofferedbyHuawei.TheNE5000Ewasintroducedin2004andhasbeenupgradedincrementallyoverthelast6years.
Huaweiclaimsthattheyhavesoldover1000NE5000Estomanylargenetworkprovidersinmanycountries.
TheNE5000Eiscomposedofthesamegeneralpartsthatallcorerouteraremadefrom;asystemprocessor,switchfabricandlinecards.HuaweiusesdifferentacronymsthenCiscofortheirhardware.ThesystemprocessoriscalledtheMPU,theswitchfabriciscalledtheSFUandthelinecardiscalledtheLPU.
TherearemultiplelinecardversionsavailablefortheNE5000EfromthefirstgenerationLPU-AtothecurrentLPU-F.FordoingcertainfeaturessuchasNetflow,MPLSVPNandcertaintypesoftunnelingtheNE5000EusesaservicecardcalledtheSPU.ThelinecardsutilizeTCAMsforforwarding,ACLs,ARPTablesandotherfeatures.
TheNE5000EcanbeconnectedtootherNE5000Esdirectlyorthroughaswitchfabricchassistocreateamulti-chassissystemor“Cluster”asHuaweicallsit.Huaweicurrentlyclaimsthattheirlargestcluster,a4+2clustersystemisinproductioninChina.
HuaweidoesnotsupportfabricMulticastreplicationontheNE5000E.Thesourcelinecarddoesthefirsttwomulticastreplicationsandtheotherlinecardshandlingtheotherreplications.DuetothefabricusageofMulticast,UnicasttrafficcanbedroppedbythesystemiftherearetoomanyMulticaatreplicationsofanyonestream.
TheOperatingSystemusedontheNE5000EisVRP.VRPisamonolithicoperatingsystembasedonVxWorks.VRPsupportslimitedsoftwarepatchingandclaimssupportprocessrestart.
NE5000ETimeline
In2002HuaweiintroducedtheNE5000TSR,arebadgedrouterfromanothervendor.Thesystemsupportedupto10GperslotandpromisedperformanceequaltothatofJuniper’sM120andCiscoSystemsGSR.Thisrouterwasreplacedin2004withaHuaweidevelopedsystem,theNE5000E.
TheNE5000EisbasedonthesamechassisastheNE80E.Themaindifferencebetweenthetwosystemsisthefabric.ThefabricintheNE5000Eis40GwhiletheNE80Ewas10Gin2004.CurrentlyboththeNE80EandNE5000Ehave40Gfabrics.
TheNE5000Ewasdesignedin-houseatHuaweitocompetewiththeCiscoCRS-1andtheJuniperT-Series.
ThefirstreleaseoftheNE5000Ehada40Gfabricbutusedthe10GLPU-AlinecardsfromtheNE80E.TheLPU-Aisa10GcapablelinecardthatutilizestheCiscodesignedIntelIXP2800NPU.ThefirstNE5000EspecificlinecardwastheLPU-C.TheLPU-CwasclaimedbyHuaweitosupportupto20Gb/satwire-ratebuthadlimitedmemoryandperformance.Thefirstclaimed40GcapablelinecardwastheLPU-E.TheLPU-Ehasclaimedperformanceofover60Mppsand1MIPv4FIBentries.
ThecurrentincarnationoftheNE5000Ehasa40GFabric,8kWpowersuppliesand40Glinecards.
TheNE5000Eisalsocapableof“Clustering”i.e.Multi-Chassis.WiththeadditionofSFEA(SwitchFabricExtended)fabriccards,thesystemcanconnectback-to-backwithanotherNE5000EortomultipleNE5000Esthroughswitchfabricchassis.
MostoftheforwardingchipsaremadebyaHuaweisub-companycalledHiSilicon.TheHiSiliconSD588isa10GchipandisusedonmanyofthelinecardssuchastheLPUB,LPUC,LPUF.TheHiSiliconSD588NFClookstobea20GchipandisusedintheLPUE.
NESeriesReleaseDatesandBackwardsCompatibility
∙Pre2004
oNE40/80–2.5Gchassis
▪Huaweibuiltproduct
oNE5000–10GFabric
▪Rebadgedfromanothercompany
∙2004
oNE80E–10Gfabric
▪LimitedbackwardscompatibilitywithNE40/80linecardsbyutilizingtheLPU-Dadapterlinecard.
oNE5000E–40GFabric
▪No40Gcardsatintroduction,only20GLPU-C
▪NobackwardscompatibilitywiththeNE5000linecards
∙2005
oNE40E–10GFabricthataccepts20Gcards(oversubscribed)
∙2007
oNE40E–Upgradedto20Gfabric
oNE80E–Upgradedto40Gfabric
∙2009
oNE40E-X3–FirstNExxE-Xseriesrouter
▪Smallformfactor
▪Completelynewfabric(claimedtobe1.2Tb)
∙2009
oNE40E-X8/16–NewChassis/Cooling/Power/Fabric
▪Upgradeneededtosupport>40Gslot(>20GonNE40E-8)
▪Newcoolingdesigntosupportmultiplehigh-speedlinecards
▪ClaimedsupportforallpreviousNE-Eserieslinecards(LPUA->LPUK)
∙2010
oNE40E-X1/2
oNE5000E-X16
∙2011
oVRP8
oLPUF-100
oSFUI
HuaweiInstallationBaseClaims
HuaweiclaimsthattheNE5000Ecorerouterhasbeendeployedworldwide.TheyalsoclaimthatbytheendofDecember30,2009,morethan1000routershavebeeninstalledandmorethan40NE5000Eclustersinstalledinover15backbone/metrocorenetworks.
ThefollowingisfromapressreleasebyHuawei:
“InChina,ChinaTelecom,ChinaNetcom,ChinaMobile,ChinaUnicomhaveusedtheNE5000Eroutersinalargescale.OutsideofChina,theNE5000Eroutershavebeenusedinalargescaleinoperators'networksofT-mobileinHolland,FT/OrangeinBelgiumandPortugal,SingtelinSingapore,GlobeinPhilippines,EtisalatinSaudiArabia,TATAinIndia,AmericaMovilinEcuador,VIVOinBrazil,CentralTelecominRussian,SuperOnlineinTurkey.”
Note:
ThePressreleasestatesthatNE5000Erouters“havebeenused”outsideofchina,itdoesnotspecificallystatethattheyarecurrentlyinuse,oraredeployedinproduction.
NE5000ELogicalOverview
NE5000EChassis
TherearethreekeypartsthatcombinetogethertocreatetheNE5000E;TheLineProcessingUnit(LPU),SwitchFabricUnit(SFU)andMainProcessingUnit(MPU)
TheLineProcessingUnit(LPU)providesthephysicalinterfacestotheoutsideworld(Ethernet/POS)andconnectstotheSwitchFabricUnit(SFU).
TheSwitchFabricUnit(SFU)connectstheLineProcessingUnits(LPU)togetherallowingpacketstobesentfromcardtocardacrossthefabric.
TheMainProcessingUnit(MPU)isakintotheRouteProcessoroftheCisco12000SeriesRouter.TheMPUrunsthecontrolandmanagementplanesoftheChassis
Figure2-NE5000EInternalConnections
NE5000EPhysicalOverview
NE5000EChassis
TheNE5000EhasthesamephysicalfootprintastheNE80EandtheCX600-16.DimensionsoftheNE5000Eare442mmx669mmx1600mm(widthxdepthxheight).Itweighsabout551lbsfullyloaded.Maxpowerdrawisstatedatabout6800watts.
Figure3–NE5000EChassisandLineCardNumberingDiagram
(1)LCDDisplay(Fansinstallbehind),
(2)CableManagement,(3)LPU,(4)MountingHardware,(5)AirIntake(Airflowsinthefrontbottomandoutthebacktop),(6)PowerSupplies,(7)Handles
TheNE5000Esupports16LPUs(LineProcessingUnit)inSlots1-16,4SFUs(SwitchFabricUnit)inSlots19-22,2MPUs(MainProcessingUnit)inSlots17-18,redundantfantraysandpowersupplies
MPU(MasterProcessingUnit)
TheMainProcessingUnit(MPU)consistsofthemaincontrolunit,systemclockunit,synchronousswitchingclockunitandsystemmaintenanceunit.TheMPUcontrolsandmanagesthesystem.Asthesystemclocksourceandthemanagementandmaintenanceunit,theMPUprovidesthefunctionsofthecontrolplane,switchingplane,andmaintenanceplane.TheMPUrunstheVRP(VersatileRoutingPlatform)softwareandisresponsibleforallofthetasksofastandardrouteprocessor.
TherearetwoversionsoftheMPUcurrently,MPU-Awhichisusedinstand-alonesystemsandtheMPU-BwhichisrequiredforClusteredsystems.TheMPUutilizesaPowerPCprocessorandcomeswith2GBoframanda512MBCFcard.
Figure4–NE5000EMPU
SFU(SwitchFabricUnit)
Thereare4switchfabriccardsintheNE5000E.Thefabricrunsina3+1redundantconfiguration(N+1).Eachfabriccardhas643.125GSerDesconnectionsgivingthem200Geach.TheSerDesconnectionsareshared16perslotacross16slots.Afterencodingthereisabout160Gusable.
SFUC
TheSwitchFabricUnitrevC(SFUC)isthestandard40Gstand-alonefabricfortheNE5000E.Itisacrossbar-basedfabricdesignedbyDuneNetworks.Thisfabricdoesnotdomulticastreplication.
SFEA
TheSwitchFabricExtend
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