5G基站运行与维护4-5 gNodeB传输参数配置

温移动通信技术MobileCommunicationTechnology——gnodeB传输数据配置GnodeBTransferDataConfiguration5GMobileCommunicationTechnology5G配置物理层数据ConfigurePhysicalLayerDataSAArchitectureGNodeB传输数据配置GNodeBTransmissionDataConfigurationFE/GEopticalportCPRIopticalportUSBinterfacePowersupplyUSBswitchtothedebuggingnetworkportonthenear-endNameofnegotiatedparameterValueEthernetportNo.EthernetportpropertiesEthernetportrateEthernetportduplexmodeINTERFACEinterfacetypeServiceVLANidentifier/maintainedVLANidentifiergNodeBserviceIP/subnetmaskgNodeBmaintenanceIP/subnetmaskServicegatewayIP/subnetmaskMaintenancegatewayIP/subnetmaskOpticalport10GFullduplexVLANsub-portNameofnegotiatedparameterValueNGlocal/oppositeterminalSCTPportNo.X2local/oppositeterminalSCTPportNo.SCTPparametertemplateidentifierX2oppositeterminaleNodeBIPaddress/subnetmaskSGWIP/subnetmaskU2020IP/subnetmask配置物理层数据Configurephysicallayerdata配置数据链路层数据Configuredatalinklayerdata配置网络层数据Configurenetworklayerdata配置传输层数据Configuretransmissionlayerdata配置应用层数据ConfigureapplicationlayerdataGNodeB传输数据配置GNodeBTransmissionDataConfiguration

可见，传输配置基本是按照协议层次从下到上配置的顺序，先设定物理端口、再划分VLAN，再配置接口IP地址，然后配置传输层端口和应用层的路由数据。Itisclearthatthetransmissionconfigurationisbasicallyconfiguredintheorderoftheprotocolhierarchyfrombottomtotop,settingthephysicalportfirst,thendividingtheVLAN,configuringtheinterfaceIPaddress,andthenconfiguringtheroutingdataofthetransmissionlayerportandapplicationlayer.GNodeB传输数据配置GNodeBTransmissionDataConfiguration下面我们学习传输配置的MML命令。MML命令包括物理层命令、数据链路层命令、网络层命令和传输层命令，我们依次来看看吧。ThenwestudytheMMLcommandsfortransmissionconfiguration,includingphysicallayercommands,datalinklayercommands,networklayercommandsandtransmissionlayercommands,let'stakealookattheminturn.GNodeB传输数据配置GNodeBTransmissionDataConfigurationGNodeB传输数据配置GNodeBTransmissionDataConfiguration物理层命令Physicallayercommand在这个命令中，重要的参数是传输配置模式，选择为new（新模式）。Inthiscommand,theimportantparameteristhetransmissionconfigurationmode,whichisselectedasnew.1.设置全局传输参数：SetGTransParaSetglobaltransmissionparameter这是一个高危命令，红色为重点参数。槽位号为基站上提供传输连接单板的的槽位，即UMPT单板的7号槽位，端口号为1号，即UMPT单板的1号光纤接口，端口属性为光纤接口；速率为10G，这里需要注意的是光口的速率是由光模块决定，光纤两端的光模块要协商一致。双工模式选择全双工。Thisisahigh-riskcommand,withthehighlightedparametersinred.

Slotnumberistheslotonthebasestationthatprovidesthetransmissionconnectiontotheone-board,i.e.slotNo.7ofUMPTone-board,portNo.1,i.e.fiberinterfaceNo.1ofUMPTone-board,andportattributeisanopticalfiberinterface.Therateis10G.Itshouldbenotedthattherateoftheopticalportisdeterminedbytheopticalmodule,andtheopticalmodulesatbothendsofthefibershouldbeconsensus.Duplexmodeselectfullduplex.2.增加以太网端口：AddEthPort（高危命令）AddEthernetport(high-riskcommand)GNodeB传输数据配置GNodeBTransmissionDataConfiguration物理层命令PhysicallayercommandGNodeB传输数据配置GNodeBTransmissionDataConfiguration数据链路层命令Datalinklayercommand1.增加接口：AddInterfaceAddinterface本条命令是在物理端口基础上，划分VLAN。端口类型为ETH以太网端口，端口标识为0。由于划分了业务VLAN和维护VLAN。所以这里的命令需要执行两遍，VLAN标识需要分别填写130和1130。TheporttypeisETHEthernetportandtheportidentifieris0.SincetheserviceVLANandmaintenanceVLANaredivided,thecommandneedstobeexecutedtwice.TheVLANidentifiersneedtobefilledin130and1130respectively.GNodeB传输数据配置GNodeBTransmissionDataConfiguration网络层命令Networklayercommand增加物理端口的通信IP地址，根据前面的规划，UMPT单板的1号光口和核心网、相邻基站，以及和U2020通信的时候，分别设置了业务IP地址和维护IP地址，所以这条命令应当执行两遍，分别设置为172.28.1.130和10.175.180.130。IncreasethecommunicationIPaddressofthephysicalport.Accordingtothepreviousplanning,theserviceIPaddressandmaintenanceIPaddressarerespectivelysetfortheNo.1opticalport,thecorenetwork,theadjacentbasestation,andtheU2020communicationoftheUMPTone-board.Therefore,thiscommandshouldbeexecutedtwiceandsetto172.28.1.130and10.175.180.130respectively.2.增加设备ip地址：AddIpAddr4Addequipmentipaddress按照通信关系，应当设置基站到维护U2020、核心网和相邻基站的三条路由。在命令中，目的地址就是U2020、核心网、相邻基站的地址，子网掩码为24位，下一条地址为业务网关IP和维护网关IP地址。Accordingtothecommunicationrelationship,threeroutesfromthebasestationtothemaintenanceU2020,thecorenetworkandtheadjacentbasestationsshouldbeset.Inthecommand,thedestinationaddressistheaddressesofU2020,corenetwork,andadjacentbasestation,withthesubnetmaskof24bits,andthenextaddressistheservicegatewayIPandmaintenancegatewayIPaddress.3.配置IP路由：AddIpRoute4ConfigureIProutingGNodeB传输数据配置GNodeBTransmissionDataConfiguration网络层命令NetworklayercommandGNodeB传输数据配置GNodeBTransmissionDataConfiguration传输层命令TransmissionlayercommandGNodeB传输高层配置包含传输层和应用层，传输层主要按照end-point方式配置端节点资源组和本端、对端的端节点，应用层主要配置X2/XN/S1/NG/OMCH等接口数据。传输层和应用层的end-point方式配置流程如图。GNodeBtransmissionhigh-levelconfigurationincludestransmissionlayerandapplicationlayer.Thetransmissionlayermainlyconfiguresend-noderesourcegroupsandend-nodesatthelocalandoppositeterminalaccordingtotheend-pointmethod,andtheapplicationlayermainlyconfiguresinterfacedatasuchasX2/XN/S1/NG/OMCH.Theend-pointconfigurationflowofthetransmissionlayerandapplicationlayerisshowninthefigure.使用命令AddEPGroup；端节点对象归属组编号为16UsethecommandAddEPGroup;theendnodeobjectbelongstogroupnumber161.创建XN接口端节点组EPGroupCreateXNinterfaceendnodegroupEPGroup增加本端对象是使用命令AddSCTPHost其中SCTP本端标识要和SCTP对端标识一致，本端的第一个IP地址即UMPT的1号光纤接口配置的用于和核心网通信的IP地址，即是gnodeb的业务IP地址：172.28.1.130；本端端口号为传输层端口号36422。AddingthelocalobjectusesthecommandAddSCTPHost,wheretheSCTPlocalidentifiershouldbethesameastheSCTPoppositeterminalidentifier.ThefirstlocalIPaddressistheIPaddressconfiguredonfiberinterfaceNo.1ofUMPTforcommunicationwiththecorenetwork,whichistheserviceIPaddressofgNodeB:172.28.1.130;theportNo.istransmissionlayerportNo.36422.2.增加xn接口的控制面sctp本端对象AddthecontrolplanesctplocalobjectofxninterfaceGNodeB传输数据配置GNodeBTransmissionDataConfiguration传输层命令Transmissionlayercommand增加对端对象使用的命令是：AddSCTPPeer；其中，其中SCTP对端标识要和SCTP本端标识一致；对端的第一个IP地址即对端的相邻基站的IP地址：172.28.7.150，对端端口号和本端端口号协商一致为36422。ThecommandusedtoaddtheoppositeterminalobjectisAddSCTPPeer;wheretheSCTPoppositeterminalidentifiershouldbethesameastheSCTPlocalidentifier;thefirstIPaddressoftheoppositeterminalistheIPaddressoftheneighboringbasestationoftheoppositeterminal:172.28.7.150,andtheconsensusportnumberoftheoppositeterminalandthelocalportnumberis36422.3.增加XN接口控制面SCTP对端对象AddXNinterfacecontrolplaneSCTPoppositeterminalobjectGNodeB传输数据配置GNodeBTransmissionDataConfiguration传输层命令Transmissionlayercommand在设置了XN接口控制面的本端对象和对端对象的两个通信端点之后，将它们一起加入到同一个端节点组。使用命令分别是AddSCTPHost2EPGRP和AddSCTPPeer2EPGRP这里特别注意到，对端标识和本端标识，以及端节点对象归属组编号都必须相同，才把这个两个节点纳入到同一个组。AftersettingthetwocommunicationendpointsoftheXNinterfacecontrolplane'slocalandoppositeterminalobjects,addthemtothesameendnodegroupwiththecommandsAddSCTPHost2EPGRPandAddSCTPPeer2EPGRP,respectively.Itshouldbenotedparticularlythattheoppositeterminalidentifierandthelocalidentifier,aswellastheendnodeobjectattributiongroupnumber,mustbethesamebeforethetwonodesareincludedinthesamegroup.4.将XN接口本端对象和对端对象的控制面加入到控制面端节点组AddcontrolplaneofXNinterfacelocalobjectandtheoppositeterminalobjecttothecontrolplaneendnodegroupGNodeB传输数据配置GNodeBTransmissionDataConfiguration传输层命令Transmissionlayercommand增加用户面本端对象使用命令AddUserPlaneHost。AdduserplanelocalobjectwiththecommandAddUserPlaneHost其中本端的IP地址即是基站的业务IP地址。TheIPaddressofthelocalterminalistheserviceIPaddressofthebasestation.5.增加XN接口的用户面本端对象AdduserplanelocalobjecttoXNinterfaceGNodeB传输数据配置GNodeBTransmissionDataConfiguration传输层命令Transmissionlayercommand增加用户面对端对象使用命令AddUserPlanePeer。Adduserplaneoppositeterminalobject

withthecommandAddUserPlanePeer其中对端的IP地址为相邻基站的IP地址：172.28.7.150。TheIPaddressofoppositeterminalisthatofadjacentbasestations:172.28.7.150.6.增加XN接口的用户面对端对象AdduserplaneoppositeterminalobjecttoXNinterfaceGNodeB传输数据配置GNodeBTransmissionDataConfiguration传输层命令Transmissionlayercommand在设置了XN接口用户面的本端对象和对端对象的两个通信端点之后，将它们一起加入到同一个端节点组。使用的命令分别是：AddUpHost2EPGRP和AddUpPeer2EPGRP，端节点对象归属组编号都是为16。AftersettingthetwocommunicationendpointsofXNinterfaceuserplane'slocalandoppositeterminalobjects,addthemtothesameendnodegroupwiththecommandsAddUpHost2EPGRPandAddUpPeer2EPGRP,respectively.TheendnodeobjectattributiongroupNo.is16.7.将XN接口本端对象和对端对象的控制面加入到用户面端节点组AddcontrolplaneofXNinterfacelocalobjectandtheoppositeterminalobjecttotheuserplaneendnodegroupGNodeB传输数据配置GNodeBTransmissionDataConfiguration传输层命令Transmissionlayercommand使用命令AddGNBCUX2；将XN接口的控制面端节点组和用户面端节点组组合成为XN接口。

UsethecommandAddGNBCUX2;combinethecontrol-planenodegroupandtheuser-planenodegroupoftheXNinterfacetobecometheXNinterfaceXN传输层接口的配置按照以上8个小步骤进行，到此已经基本完成，S1接口几乎完全一致，创建S1接口的端节点组、增加S1接口控制面的本端和对端对象，将S1接口的控制面对端和本端加入到控制面端节点组，然后设置S1接口用户面的本端和对端对象，并加入到用户面端节点组，最后将S1接口绑定控制面和用户面端节点组，形成S1接口。TheconfigurationoftheXNtransmissionlayerinterfaceiscarriedoutaccordingtotheabove8steps,whichisbasicallycompleted,andtheS1interfaceisalmostidentical.CreatetheendnodegroupofS1interface,increasethelocalandoppositeterminalobjectsofS1interfacecontrolplane,addthelocalandoppositeterminalofcontrolplaneofS1interfacetothecontrolplaneendnodegroup,thensetthelocalandoppositeterminalofcontrolplaneofS1interfaceandaddthemtotheuserplaneendnodegroup,andfinallybindtheS1interfacetothecontrolplaneanduserplaneendnodegrouptoformS1interface.8.增加XN接口AddXNinterfaceGNodeB传输数据配置GNodeBTransmissionDataConfiguration传输层命令TransmissionlayercommandXN参数设置完成之后，比S1接口多了一个步