HuaweiNE5000EWhitePaper.docx

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