EPC 移动性管理附着流程故障处理PPT课件.pptx

Page1 Page1 修订记录 本页不打印 EPC移动性管理附着流程故障处理 MME Page3 参考资料 3GPP234013GPP24301 MM SM 3GPP29272 S6a Page3 Page4 培训目标 学完本课程后 您应该能 掌握附着流程在MME内的深入处理机制掌握信令类故障处理的方法和思路掌握附着流程的高级故障处理 Page4 Page5 目录 附着流程故障处理背景知识附着流程故障分析处理 Page5 Page6 目录 附着流程故障处理背景知识附着流程故障分析处理 Page6 Page7 目录 附着流程故障处理背景知识1 1附着流程介绍1 2MME内部处理机制1 3附着流程故障处理思路 Page7 Page8 AttachwithIMSIin4G Page8 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AccessControlbyMMElicense dataconfiguration AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationResponse CreateSessionRequest AuthenticationRequest CreateSessionResponse InitialContextSetupRequest AttachAccept Directtransfer AttachComplete RRCConnectionReconfiguration Attachaccept InitialContextSetupResponse UpdateLocationRequest UpdateLocationAnswer AccessControlbySubscribedata 接入控制 安全流程 位置更新 缺省承载创建 CreateSessionRequest CreateSessionResponse ModifyBearerRequest ModifyBearerResponse RRCConnectionReconfigurationComplete Page9 目录 附着流程故障处理背景知识1 1附着流程介绍1 2MME内部处理机制1 3附着流程故障处理思路 Page9 Page10 接入控制内部处理过程 Page10 Attachrequest HPLMN ConnectPLMN N Y Y N Y AccesscontrolbyIMSI N IMSIHSS DMPE Defaultcause EPSservicesnotallowedinthisPLMN可以通过SETEMMPROCTRL自定义 Defaultcause EPSservicesnotallowedControlledbycommandADDS1ACCAREALST RegionalRoamingRestriction ADDS1ACCAREALST License ResourceLimit Y NoresponsefromMME N Page11 鉴权流程内部处理过程 Page11 Authenticationsetresponse AccesscontrolbyIMSI N Authenticationsetrequest Y IMSIHSS DMPE N Y Protocolerror unspecified 可以通过SETEMMPROCTRL自定义 Networkfailure 17 可以通过SETEMMPROCTRL自定义 DIAMETER ERROR USER UNKNOWN EPSservicesandnon EPSservicesnotallowed 8 可配置 WrongK OP IllegalUE 3 UnknownsubsinHLR Authenticationfailure N Authenticationrequest response NoresponsefromUE IllegalUE 3 Authenticationfailure NoresponseformHLR Networkfailure 17 可以通过SETEMMPROCTRL自定义 IllegalUE IllegalUE 3 Authenticationfailure DIAMETERERRORUNKNOWNEPSSUBSCRIPTION EPSSubsUnknown Nosuitablecellsintrackingarea 15 可配置 Page12 位置更新内部处理过程 Page12 Updatelocation DIAMETER ERROR USER UNKNOWN EPSservicesandnon EPSservicesnotallowed 8 可配置 DIAMETERERRORUNKNOWNEPSSUBSCRIPTION EPSSubsUnknown Accesscontrolbysubscribeddata Zonecoderestrict PLMNnotallowed 11 可配置 Roamingnotallowed ARDrestrict EPSservicesnotallowed 7 可通过ADDS1ARD配置 RestrictaccordingtoAPNNI DIAMETER ERROR ROAMING NOT ALLOWED Nosuitablecellsintrackingarea 15 OrRoamingnotallowedinthistrackingarea 13 Unknownsubs DIAMETER ERROR RAT NOT ALLOWED RATnotallowed Nosuitablecellsintrackingarea 15 可配置 EPSservicesnotallowed 7 可通过ADDS1ARD配置 Authenticationrequest response Nosuitablecellsintrackingarea 15 可配置 Page13 缺省承载建立内部处理过程 Page13 DefaultBearerCreation DefaultBearerCreatingFailed ESMfailur 19 其他因素导致的承载激活失败 终端无应答ACTIVATEDEFAULTEPSBEARERCONTEXTACCEPT AttachComplete DefaultBearerCreatingFailed ESMfailur 19 Accesscontrolbysubscribeddata Page14 原因值 PLMN配置 S6a接口故障 SETEMMPROCTRL在用户接入S1模式时 USN9810可通过该命令控制MM流程进行特殊处理以及特殊场景下指定的原因值下发 以满足运营商实现对现网设备兼容性特殊控制的需求 Page14 Page15 CauseValue RegionalRoamingRestriction ADDS1ACCAREALST区域漫游限制用户 可以限制特定的用户在特定的跟踪区内的接接入策略及拒绝原因值的配置 Page15 Page16 CauseValue Accesscontrolbysubscribeddata ADDS1ARD可以配置是否拒绝终端的原因值 Page16 Page17 接入控制原因值 Page17 Page18 目录 附着流程故障处理背景知识1 1附着流程介绍1 2MME内部处理机制1 3附着流程故障处理思路 Page18 Page19 附着流程故障分析思路 附着流程的故障分析思路如下 1 确定网元范围 2 确定故障影响范围 初步定位故障点 所有用户附着失败部分用户附着失败个别用户附着失败3 确定流程中的故障点 B3FA Page19 Page20 确定相关网元 确定故障范围 Page20 Page21 Page21 确定流程中的故障点 Page22 B3FA分析方法 Page22 Page23 目录 附着流程故障处理背景知识附着流程故障分析处理 Page23 Page24 目录 附着流程故障分析处理2 1接口故障2 2接入故障2 3安全流程故障2 4位置更新故障2 5缺省承载建立故障 Page24 Page25 接口故障 Page25 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI X Page26 接口故障 Page26 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI X Page27 接口故障分析思路 根据信令跟踪 若看不到MS发起的 AttachRequest 消息 表明S1接口出现故障 接口故障按照协议栈从下到上逐步排查 Page27 S1 AP SCTP IP L2 L1 S1 AP SCTP IP L2 L1 eNodeB MME S1 MME Page28 接口故障 Page28 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI X Page29 目录 附着流程故障分析处理2 1接口故障2 2接入故障2 3安全流程故障2 4位置更新故障2 5缺省承载建立故障 Page29 Page30 接入故障案例1 Page30 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause EPSservicesnotallowedinthisPLMN 14 ControlbycommandSETEMMPROCTRL Page31 接入故障案例1 Page31 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause EPSservicesnotallowedinthisPLMN 14 ControlbycommandSETEMMPROCTRL Page32 接入故障案例1 分析思路 Page32 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause EPSservicesnotallowedinthisPLMN 14 Page33 接入故障案例1 Page33 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause EPSservicesnotallowedinthisPLMN 14 ControlbycommandSETEMMPROCTRL 1 NoconfigurationinADDHPLMN ADDCONNCECTPLMN Page34 接入故障案例2 Page34 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI X Page35 接入故障案例2 Page35 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI X Page36 接入故障案例2 分析思路 Page36 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI X Page37 接入故障案例2 Page37 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI X 1 4GUsernumberreachesthelicenselimitation sumofMaximumnumberof4Gsubscribers 2 Usercongestion Page38 接入故障案例3 Page38 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause EPSservicesnotallowed 7 ControlbycommandADDS1ACCAREALST Page39 接入故障案例3 Page39 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause EPSservicesnotallowed 7 ControlbycommandADDS1ACCAREALST Page40 接入故障案例3 分析思路 Page40 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause EPSservicesnotallowed 7 ControlbycommandADDS1ACCAREALST Page41 接入故障案例3 Page41 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause EPSservicesnotallowed 7 ControlbycommandADDS1ACCAREALST 1 RoamingrestrictedaccordingtoIMSIincommandADDS1ACCAREALST Page42 接入故障总结 Page42 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject AttachReject Cause EPSservicesnotallowedinthisPLMN 14 ControlbycommandSETEMMPROCTRL HPLMN ConnectPLMN 1 NoconfigurationinADDHPLMN ADDCONNCECTPLMN 1 4GUsernumberreachesthelicenselimitation sumofMaximumnumberof4Gsubscribers 2 Usercongestion AttachRequest withIMSI X License ResourceLimit AttachRequest withIMSI AccessControlbyIMSI 1 RoamingrestrictedaccordingtoIMSIincommandADDS1ACCAREALST Cause EPSservicesnotallowed 7 ControlbycommandADDS1ACCAREALST Page43 目录 附着流程故障分析处理2 1接口故障2 2接入故障2 3安全流程故障2 4位置更新故障2 5缺省承载建立故障 Page43 Page44 目录 附着流程故障分析处理2 3安全流程故障2 3 1取鉴权集流程故障2 3 2鉴权流程故障 Page44 Page45 取鉴权集流程故障案例1 Page45 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject HPLMN ConnectPLMN License ResourceLimit AccessControlbyIMSI Cause Protocolerror unspecified 111 ControlbycommandSETEMMPROCTRL Page46 取鉴权集流程故障案例1 Page46 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject HPLMN ConnectPLMN License ResourceLimit AccessControlbyIMSI Cause Protocolerror unspecified 111 ControlbycommandSETEMMPROCTRL Page47 取鉴权集流程故障案例1 分析思路 Page47 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject HPLMN ConnectPLMN License ResourceLimit AccessControlbyIMSI Cause Protocolerror unspecified 111 ControlbycommandSETEMMPROCTRL Page48 取鉴权集流程故障案例1 Page48 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject HPLMN ConnectPLMN License ResourceLimit AccessControlbyIMSI Cause Protocolerror unspecified 111 ControlbycommandSETEMMPROCTRL 1 NoconfigurationinADDIMSIHSS ADDDMPE Page49 取鉴权集流程故障案例2 Page49 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL Page50 取鉴权集流程故障案例2 Page50 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL Page51 取鉴权集流程故障案例2 分析思路 Page51 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL Page52 取鉴权集流程故障案例2 Page52 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL 1 S6ainterfacefailure Page53 取鉴权集流程故障案例3 Page53 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL Page54 取鉴权集流程故障案例3 Page54 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL Page55 取鉴权集流程故障案例3 分析思路 Page55 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL AuthenticationInformationResponse X X X t Page56 取鉴权集流程故障案例3 Page56 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL NoresponsefromHSS Page57 取鉴权集流程故障案例4 Page57 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AttachReject Cause EPSservicesandnon EPSservicesnotallowed 8 ControlbycommandSETEMMPROCTRL Page58 取鉴权集流程故障案例4 Page58 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AttachReject Cause EPSservicesandnon EPSservicesnotallowed 8 ControlbycommandSETEMMPROCTRL Page59 取鉴权集流程故障案例4 分析思路 Page59 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AttachReject Cause EPSservicesandnon EPSservicesnotallowed 8 ControlbycommandSETEMMPROCTRL ResponsefromHSS DIAMETER ERROR USER UNKNOWN Page60 取鉴权集流程故障案例4 Page60 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AttachReject Cause EPSservicesandnon EPSservicesnotallowed 8 ControlbycommandSETEMMPROCTRL ResponsefromHSS DIAMETER ERROR USER UNKNOWN Page61 取鉴权集流程故障案例5 Page61 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AttachReject Cause Nosuitablecellsintrackingarea 15 ControlbycommandSETEMMPROCTRL Page62 取鉴权集流程故障案例5 Page62 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AttachReject Cause Nosuitablecellsintrackingarea 15 ControlbycommandSETEMMPROCTRL Page63 取鉴权集流程故障案例5 分析思路 Page63 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AttachReject Cause Nosuitablecellsintrackingarea 15 ControlbycommandSETEMMPROCTRL ResponsefromHSS DIAMETER ERROR UNKNOWN EPS SUBSCRIPTION Page64 取鉴权集流程故障案例5 Page64 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AttachReject Cause Nosuitablecellsintrackingarea 15 ControlbycommandSETEMMPROCTRL ResponsefromHSS DIAMETER ERROR UNKNOWN EPS SUBSCRIPTION Page65 取鉴权集流程故障总结 Page65 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse NoresponsefromHSS Cause Protocolerror unspecified 111 ControlbycommandSETEMMPROCTRL 1 NoconfigurationinADDIMSIHSS ADDDMPE AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL 1 S6ainterfacefailure AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL t AttachReject Cause EPSservicesandnon EPSservicesnotallowed 8 ControlbycommandSETEMMPROCTRL ResponsefromHSS DIAMETER ERROR USER UNKNOWN AttachReject Cause Nosuitablecellsintrackingarea 15 ControlbycommandSETEMMPROCTRL ResponsefromHSS DIAMETER ERROR UNKNOWN EPS SUBSCRIPTION Page66 目录 附着流程故障分析处理2 3安全流程故障2 3 1取鉴权集流程故障2 3 2鉴权流程故障 Page66 Page67 鉴权流程故障案例6 Page67 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause Protocolerror unspecified 111 Page68 鉴权流程故障案例6 Page68 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause Protocolerror unspecified 111 Page69 鉴权流程故障案例6 分析思路 Page69 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause Protocolerror unspecified 111 X T3460 X X AuthenticationResponse AuthenticationRequest AuthenticationRequest N3460 IllegalUE Page70 鉴权流程故障案例6 Page70 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause Protocolerror unspecified 111 NoauthenticationresponsefromUE Page71 鉴权流程故障案例7 Page71 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause illegalUE 3 AuthenticationFailure AuthenticationReject Page72 鉴权流程故障案例7 Page72 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause illegalUE 3 AuthenticationFailure AuthenticationReject Page73 鉴权流程故障案例7 分析思路 Page73 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause illegalUE 3 AuthenticationFailure Cause MACfailure AuthenticationReject IllegalUE Page74 鉴权流程故障案例7 分析思路 Page74 GenerationofauthenticationvectorsinHSS UserauthenticationfunctionintheUSIM Page75 鉴权流程故障案例7 Page75 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause illegalUE 3 AuthenticationFailure AuthenticationReject AuthenticationandCipheringFailurefromUEwithcause MACFailure Page76 鉴权流程故障案例8 Page76 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause illegalUE 3 AuthenticationResponse AuthenticationReject Page77 鉴权流程故障案例8 Page77 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause illegalUE 3 AuthenticationResponse AuthenticationReject Page78 鉴权流程故障案例8 分析思路 Page78 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause illegalUE 3 AuthenticationResponse AuthenticationReject IllegalUE Page79 鉴权流程故障案例8 分析思路 Page79 UE eNodeB MME SGW HSS PGW AttachRequest1 AuthenticationInformationRequest AuthenticationInformationResponse AttachReject Cause illegalUE 3 AuthenticationResponse RES1 AuthenticationReject AuthenticationRequest RAND1 AttachRequest2 AuthenticationRequest RAND1 AuthenticationRequest RAND2 RAND1 XRES1 RAND2 XRES2 拥塞 拥塞 RES1 XRES2 Page80 鉴权流程故障案例8 Page80 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause illegalUE 3 AuthenticationResponse AuthenticationReject AuthenticationandCipheringResponsefromUEwithincorrectRES Page81 鉴权流程故障总结 Page81 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRequest AttachReject Cause Protocolerror unspecified 111 NoauthenticationresponsefromUE AttachReject Cause illegalUE 3 AuthenticationReject AuthenticationFailure AuthenticationandCipheringFailurefromUEwithcause MACFailure AttachReject Cause illegalUE 3 AuthenticationResponse AuthenticationReject AuthenticationandCipheringResponsefromUEwithincorrectRES Page82 目录 附着流程故障分析处理2 1接口故障2 2接入故障2 3安全流程故障2 4位置更新故障2 5缺省承载建立故障 Page82 Page83 目录 附着流程故障分析处理2 4位置更新流程故障2 4 1位置更新流程故障2 4 2签约数据接入控制 Page83 Page84 位置更新故障案例1 Page84 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationResponse AuthenticationRequest AttachReject Cause Protocolerror unspecified 111 ControlbycommandSETEMMPROCTRL Page85 位置更新故障案例1 Page85 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationResponse AuthenticationRequest AttachReject Cause Protocolerror unspecified 111 ControlbycommandSETEMMPROCTRL 1 NoconfigurationinADDIMSIHSS ADDDMPE Page86 位置更新故障案例2 Page86 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationResponse AuthenticationRequest AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL Page87 位置更新故障案例2 Page87 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationResponse AuthenticationRequest AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL 1 S6ainterfacefailure Page88 位置更新故障案例3 Page88 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationResponse AuthenticationRequest UpdateLocationRequest AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL Page89 位置更新故障案例3 Page89 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationResponse AuthenticationRequest UpdateLocationRequest AttachReject Cause Cause Networkfailure 17 ControlbycommandSETEMMPROCTRL NoresponsefromHSS Page90 位置更新故障案例4 Page90 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationResponse AuthenticationRequest UpdateLocationRequest UpdateLocationAnswer Cause EPSservicesandnon EPSservicesnotallowed 8 ControlbycommandSETEMMPROCTRL AttachReject Page91 位置更新故障案例4 Page91 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationResponse AuthenticationRequest UpdateLocationRequest UpdateLocationAnswer Cause EPSservicesandnon EPSservicesnotallowed 8 ControlbycommandSETEMMPROCTRL AttachReject Page92 位置更新故障案例4 分析思路 Page92 UE eNodeB MME SGW HSS PGW AttachRequest withIMSI AuthenticationInformationRequest AuthenticationInformationResponse AuthenticationRespo