EPC操作维护和故障处理

1©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011EPC操作维护和故障处理2013/10/102©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011•ZWQO:CR:;//Listpackages•ZIGO::PROFILE=:::;//PrintouttheMMLlogfile•ZUSI;//Listunitsandtheirstates•ZAHO:;//Listalarmscurrentlyon•ZDDS:MCHU,WO-EX;//ConnecttotheactiveMCHUserviceterminal•ZGSC;//CollectcomputerlogsfromMCHU•ZE//Exitfromserviceterminalsession•ZDDS:OMU,WO-EX;//ConnecttotheactiveOMUserviceterminal•ZGSC;//CollectcomputerlogsfromOMU•ZE//Exitfromserviceterminalsession•ZTPP:MMMT:;//Collectmobilitymanagementmeasurements•ZTPP:MULM:;//CollectMMDUuserlevelmeasurements•ZTPP:UMLM:;//CollectuserMMElevelmeasurements•ZTPP:SMLM:;//Collectsecuritymeasurements•ZTPP:SGSM:;//CollectSGsAPmeasurements•ZTPP:SMMT:;//Collectsessionmanagementmeasurements•ZKAI;//IPAddressassociations•ZQRI;//UnitIPAddresses•ZQKB;//StaticRoutes常用系统O&M命令一3©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011•ZQKO;//LocalIPaddressbaseddefaultgateways•ZOHI;//HSSinformation•ZCBI:TYPE=::ALL:;//IMSIanalyses•ZYFE;•ZYFF;•ZEJH;•ZMMN;•ZMXP:PLMNname,ALL;•ZWQO:RUN;•ZKAJ:;//DNSconfiguration•ZBSM/ZBSI://SECURITYANDAUTHENTICATIONPARAMETERS•ZBJM/ZBJI://MM/SMPARAMETERS常用系统O&M命令二4©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/20111.查看EnodeB站点信息ZB6I::RT=FULL:;2.查看S1c接口SCTP连接状态ZQRS:IPDU,1::ALL:;或者ZDDS:IPDU,1;0041-$netstat-aEPC主要接口O&M-----S1接口5©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/20111，查看S6a接口信息和状态ZOHI:::FULL:;ZQRX:IPDU,0::PING:SRC=LOCALADDRESS,IP=REMOTEADDRESS;ZOHS:destination:D;ZOHS:destination:C;ZQRS:IPDU,0;EPC主要接口O&M-S6a接口6©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/20111.查看S10&S11&Gn接口是否正常ZQRX:IPDU,0::PING:SRC=”LOCALS10/S11/GnADDRESS”,IP=”REMOTEADDRESS”;EPC主要接口O&M-S10&S11&Gn接口7©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/20111.查看DNS配置是否正确[e-mail][e-mail]460.3gppnetwork.org-tnaptr2.查看DNS缓存0041-$clidnsprintcache3.清除DNS缓存//注意清除缓存时建议CPPU和IPDU都需要清除0041-$clidnsclearcacheEPC主要接口O&M-DNS8©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011AHUB3-B常用维护命令•SWU0enbi•SWU0(enable-bi)#showrunning-config•SWU0(enable-bi)#showport•SWU0enfi•SWU0(enable-fi)#showrunning-config•SWU0(enable-fi)#showport•SWU0(enable-fi)#configt•SWU0(config-fi)#bridge•SWU0(enable-fi)#showiproute//showIProutingtable•SWU0(enable-fi)#showipospfdatabase//showospfDatabasesummary•SWU0(enable-fi)#showipospfneighbor//showNeighborlist•SWU0(bridge-fi)#showportstatisticsinterface¾//checkportstats•具体请参考《AHUB3-BandHBRT3-BUserGuide》9©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011故障处理tools--Wireshark常用过滤条件：((s1ap||bssgp||ranap||gtpv2||ppp||diameter||sccp||dns||gtp||gsm_map||icmp))&&!(diameter.cmd.code==280)10©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011故障处理--Wireshark•WiresharkNSNHomepage:•WiresharkLTENSNprojectHomepage:•WiresharkSWdistribution:©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011故障处理--MME进程和日志一•CheckingthesoftwareversionandtherunningprocessesinaFunctionalunit,MMLcommands:ZWQO:CR;Interrogateloadmoduleloadedintheunit,MMLcommand:ZWQV:unit;•Checkingtheerrorlogs(computerlogs)intheserviceterminalfromaDMXUnit(MCHU,OMU)Functionalunit,MMLcommand:ZGD;ZGSC;•LoggingYoucanuseloginformationtoresolvetroubleshootingsituations.Ifthesystemisexperiencingproblems,loginformationcanhelpyoufindthereasonbehindthem.CollectingtheinternallogsfromMMDU,MCHU,IPDUandCPPUFunctionalunitsgivesimportantinformationonprocessesoperation.Useasreferencethe“Logging”sectionintheFlexiNSMMEProductDocumentationdocument:TroubleshootingFlexiNSMME.-ChangingloggingrelatedparameterswithCLIfordebuggingpurposes,enablingneededlogginglevelsfortheprocessesneeded.-MostimportantFunctionalunitprocesses,fromwhichtogetlogs:CPPU------Trhandler,S1HandlerIPDU------S1LBSMMDU-----Subshandler12©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011故障处理--MME应用进程和日志二13©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011故障处理--MME应用进程和日志三14©NokiaSiemensNetworksEPCTSH/FlexiNS2.0MMETroubleshootingtools/02/09/2011MmeTrHandler•themostimportantprocess.•IthandlesNASsignallingrelatedtoMobilityManagement,SessionManagementandSecurity.MmeSubsHandler•providesmainlytheEMM/ESMandsubscriberpersistenceinMME.•Theprocessisthehighlevellogicalentityforsubscribersignallingprocedures.Otherimportantprocesses•MmeDiaHandlerandmmeDiameterLBSarepartoftheDiameterinterfaceinMME•MmeS1HandlerandmmeS1LBSprovidethecodingservicesforS1APprotocol.•MmeGTPLBSispartofGTP