EPC移动性管理附着流程故障处理.ppt

修订记录,本页不打印,EPC 移动性管理附着流程故障处理(MME),参考资料,3GPP 234013GPP 24301(MM/SM)3GPP 29272(S6a),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,目 录,附着流程故障处理背景知识附着流程故障分析处理,目 录,附着流程故障处理背景知识附着流程故障分析处理,目 录,附着流程故障处理背景知识1.1 附着流程介绍1.2 MME内部处理机制1.3 附着流程故障处理思路,Attach with IMSI in 4G,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Access Control by MME license/data configuration,Authentication Information Request,Authentication Information Response,Authentication Response,Create Session Request,Authentication Request,Create Session Response,Initial Context Setup Request(Attach Accept),Direct transfer(Attach Complete),RRC Connection Reconfiguration(Attach accept),Initial Context Setup Response,Update Location Request,Update Location Answer,Access Control by Subscribe data,接入控制,安全流程,位置更新,缺省承载创建,Create Session Request,Create Session Response,Modify Bearer Request,Modify Bearer Response,RRC Connection Reconfiguration Complete,目 录,附着流程故障处理背景知识1.1 附着流程介绍1.2 MME内部处理机制1.3 附着流程故障处理思路,接入控制内部处理过程,Attach request,HPLMN?,Connect PLMN?,N,Y,Y,N,Y,Access control by IMSI,N,IMSIHSS/DMPE?,Default cause:EPS services not allowed in this PLMN可以通过SET EMMPROCTRL自定义,Default cause:EPS services not allowed Controlled by command ADD S1ACCAREALST,Regional Roaming Restriction:ADD S1ACCAREALST,License/Resource Limit,Y,No response from MME,N,鉴权流程内部处理过程,Authentication set response,Access control by IMSI,N,Authentication set request,Y,IMSIHSS/DMPE?,N,Y,Protocol error,unspecified.可以通过SET EMMPROCTRL自定义,Network failure(#17)可以通过SET EMMPROCTRL自定义,DIAMETER_ERROR_USER_UNKNOWN,EPS services and non-EPS services not allowed(#8)(可配置),Wrong K/OP,Illegal UE(#3),Unknown subs in HLR,Authentication failure,N,Authentication request/response,No response from UE,Illegal UE(#3),Authentication failure,No response form HLR,Network failure(#17)可以通过SET EMMPROCTRL自定义,Illegal UE,Illegal UE(#3),Authentication failure,DIAMETER ERROR UNKNOWN EPS SUBSCRIPTION,EPS Subs Unknown,No suitable cells in tracking area(#15)(可配置),位置更新内部处理过程,Update location,DIAMETER_ERROR_USER_UNKNOWN,EPS services and non-EPS services not allowed(#8)(可配置),DIAMETER ERROR UNKNOWN EPS SUBSCRIPTION,EPS Subs Unknown,Access control by subscribed data,Zone code restrict,PLMN not allowed(#11)(可配置),Roaming not allowed,ARD restrict,EPS services not allowed(#7)(可通过ADD S1ARD配置),Restrict according to APNNI,DIAMETER_ERROR_ROAMING_NOT_ALLOWED,No suitable cells in tracking area(#15)OrRoaming not allowed in this tracking area(#13),Unknown subs,DIAMETER_ERROR_RAT_NOT_ALLOWED,RAT not allowed,No suitable cells in tracking area(#15)(可配置),EPS services not allowed(#7)(可通过ADD S1ARD配置),Authentication request/response,No suitable cells in tracking area(#15)(可配置),缺省承载建立内部处理过程,Default Bearer Creation,DefaultBearer Creating Failed,ESM failur(#19),其他因素导致的承载激活失败,终端无应答ACTIVATE DEFAULT EPS BEARER CONTEXT ACCEPT/Attach Complete,DefaultBearer Creating Failed,ESM failur(#19),Access control by subscribed data,原因值（PLMN配置/S6a接口故障）,SET EMMPROCTRL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。,Cause Value(Regional Roaming Restriction),ADD S1ACCAREALST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。,Cause Value(Access control by subscribed data),ADD S1ARD可以配置是否拒绝终端的原因值,接入控制原因值,目 录,附着流程故障处理背景知识1.1 附着流程介绍1.2 MME内部处理机制1.3 附着流程故障处理思路,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）,确定相关网元，确定故障范围,确定流程中的故障点,B3FA分析方法,目 录,附着流程故障处理背景知识附着流程故障分析处理,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,接口故障,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),X,接口故障,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),X,接口故障分析思路,根据信令跟踪，若看不到MS发起的“Attach Request”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。,S1-AP,SCTP,IP,L2,L1,S1-AP,SCTP,IP,L2,L1,eNodeB,MME,S1-MME,接口故障,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),X,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,接入故障案例1,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:EPS services not allowed in this PLMN(#14)Control by command SET EMMPROCTRL,接入故障案例1,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:EPS services not allowed in this PLMN(#14)Control by command SET EMMPROCTRL,接入故障案例1：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:EPS services not allowed in this PLMN(#14),接入故障案例1,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:EPS services not allowed in this PLMN(#14)Control by command SET EMMPROCTRL,1,No configuration in ADD HPLMN/ADD CONNCECTPLMN,接入故障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),X,接入故障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),X,接入故障案例2：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),X,接入故障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),X,1,4G User number reaches the license limitation:sum of Maximum number of 4G subscribers;2,User congestion,接入故障案例3,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:EPS services not allowed(#7)Control by command ADD S1ACCAREALST,接入故障案例3,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:EPS services not allowed(#7)Control by command ADD S1ACCAREALST,接入故障案例3：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:EPS services not allowed(#7)Control by command ADD S1ACCAREALST,接入故障案例3,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:EPS services not allowed(#7)Control by command ADD S1ACCAREALST,1,Roaming restricted according to IMSI in command ADD S1ACCAREALST,接入故障总结,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Attach Reject,Cause:EPS services not allowed in this PLMN(#14)Control by command SET EMMPROCTRL,HPLMN/Connect PLMN,1,No configuration in ADD HPLMN/ADD CONNCECTPLMN,1,4G User number reaches the license limitation:sum of Maximum number of 4G subscribers;2,User congestion,Attach Request(with IMSI),X,License/Resource Limit,Attach Request(with IMSI),Access Control by IMSI,1,Roaming restricted according to IMSI in command ADD S1ACCAREALST,Cause:EPS services not allowed(#7)Control by command ADD S1ACCAREALST,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,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,取鉴权集流程故障案例1,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,HPLMN/Connect PLMN,License/Resource Limit,Access Control by IMSI,Cause:Protocol error,unspecified.(#111)Control by command SET EMMPROCTRL,取鉴权集流程故障案例1,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,HPLMN/Connect PLMN,License/Resource Limit,Access Control by IMSI,Cause:Protocol error,unspecified.(#111)Control by command SET EMMPROCTRL,取鉴权集流程故障案例1：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,HPLMN/Connect PLMN,License/Resource Limit,Access Control by IMSI,Cause:Protocol error,unspecified.(#111)Control by command SET EMMPROCTRL,取鉴权集流程故障案例1,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,HPLMN/Connect PLMN,License/Resource Limit,Access Control by IMSI,Cause:Protocol error,unspecified.(#111)Control by command SET EMMPROCTRL,1,No configuration in ADD IMSIHSS/ADD DMPE,取鉴权集流程故障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,取鉴权集流程故障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,取鉴权集流程故障案例2：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,取鉴权集流程故障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,1,S6a interface failure,取鉴权集流程故障案例3,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,取鉴权集流程故障案例3,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,取鉴权集流程故障案例3：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,Authentication Information Response,X,X,X,t,取鉴权集流程故障案例3,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,No response from HSS,取鉴权集流程故障案例4,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Attach Reject,Cause:EPS services and non-EPS services not allowed(#8)Control by command SET EMMPROCTRL,取鉴权集流程故障案例4,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Attach Reject,Cause:EPS services and non-EPS services not allowed(#8)Control by command SET EMMPROCTRL,取鉴权集流程故障案例4：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Attach Reject,Cause:EPS services and non-EPS services not allowed(#8)Control by command SET EMMPROCTRL,Response from HSS:DIAMETER_ERROR_USER_UNKNOWN,取鉴权集流程故障案例4,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Attach Reject,Cause:EPS services and non-EPS services not allowed(#8)Control by command SET EMMPROCTRL,Response from HSS:DIAMETER_ERROR_USER_UNKNOWN,取鉴权集流程故障案例5,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Attach Reject,Cause:No suitable cells in tracking area(#15)Control by command SET EMMPROCTRL,取鉴权集流程故障案例5,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Attach Reject,Cause:No suitable cells in tracking area(#15)Control by command SET EMMPROCTRL,取鉴权集流程故障案例5：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Attach Reject,Cause:No suitable cells in tracking area(#15)Control by command SET EMMPROCTRL,Response from HSS:DIAMETER_ERROR_UNKNOWN_EPS_SUBSCRIPTION,取鉴权集流程故障案例5,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Attach Reject,Cause:No suitable cells in tracking area(#15)Control by command SET EMMPROCTRL,Response from HSS:DIAMETER_ERROR_UNKNOWN_EPS_SUBSCRIPTION,取鉴权集流程故障总结,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,No response from HSS,Cause:Protocol error,unspecified.(#111)Control by command SET EMMPROCTRL,1,No configuration in ADD IMSIHSS/ADD DMPE,Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,1,S6a interface failure,Attach Reject,Cause:Cause:Network failure(#17)Control by command SET EMMPROCTRL,t,Attach Reject,Cause:EPS services and non-EPS services not allowed(#8)Control by command SET EMMPROCTRL,Response from HSS:DIAMETER_ERROR_USER_UNKNOWN,Attach Reject,Cause:No suitable cells in tracking area(#15)Control by command SET EMMPROCTRL,Response from HSS:DIAMETER_ERROR_UNKNOWN_EPS_SUBSCRIPTION,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,鉴权流程故障案例6,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:Protocol error,unspecified.(#111),鉴权流程故障案例6,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:Protocol error,unspecified.(#111),鉴权流程故障案例6：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:Protocol error,unspecified.(#111),X,T3460,X,X,Authentication Response,Authentication Request,Authentication Request,N3460,Illegal UE,鉴权流程故障案例6,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:Protocol error,unspecified.(#111),No authentication response from UE,鉴权流程故障案例7,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:illegal UE(#3),Authentication Failure,Authentication Reject,鉴权流程故障案例7,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:illegal UE(#3),Authentication Failure,Authentication Reject,鉴权流程故障案例7：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:illegal UE(#3),Authentication Failure(Cause:MAC failure),Authentication Reject,Illegal UE,鉴权流程故障案例7：分析思路,Generation of authentication vectors in HSS,User authentication function in the USIM,鉴权流程故障案例7,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:illegal UE(#3),Authentication Failure,Authentication Reject,Authentication and Ciphering Failure from UE with cause:,MAC Failure,鉴权流程故障案例8,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:illegal UE(#3),Authentication Response,Authentication Reject,鉴权流程故障案例8,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:illegal UE(#3),Authentication Response,Authentication Reject,鉴权流程故障案例8：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:illegal UE(#3),Authentication Response,Authentication Reject,Illegal UE,鉴权流程故障案例8：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request 1,Authentication Information Request,Authentication Information Response,Attach Reject,Cause:illegal UE(#3),Authentication Response(RES 1),Authentication Reject,Authentication Request(RAND 1),Attach Request 2,Authentication Request(RAND 1),Authentication Request(RAND 2),RAND1,XRES1,RAND2,XRES2,拥塞,拥塞,RES1 XRES2,鉴权流程故障案例8,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause:illegal UE(#3),Authentication Response,Authentication Reject,Authentication and Ciphering Response from UE with incorrect RES,鉴权流程故障总结,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request(with IMSI),Authentica