1、修訂記錄,本頁不打印,EPC 移動性管理附著流程故障處理(MME),參考資料,3GPP 23401 3GPP 24301(MM/SM) 3GPP 29272(S6a),培訓目標,學完本課程后，您應(yīng)該能： 掌握附著流程在MME內(nèi)的深入處理機制 掌握信令類故障處理的方法和思路 掌握附著流程的高級故障處理,目 錄,附著流程故障處理背景知識 附著流程故障分析處理,目 錄,附著流程故障處理背景知識 附著流程故障分析處理,目 錄,附著流程故障處理背景知識 1.1 附著流程介紹 1.2 MME內(nèi)部處理機制 1.3 附著流程故障處理思路,Attach with IMSI in 4G,UE,eNodeB,MME

2、,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 )

3、,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,缺省承載創(chuàng)建,Create Session Request,Create Session Response,Modify Bearer Request,Modify Bearer R

4、esponse,RRC Connection Reconfiguration Complete,目 錄,附著流程故障處理背景知識 1.1 附著流程介紹 1.2 MME內(nèi)部處理機制 1.3 附著流程故障處理思路,接入控制內(nèi)部處理過程,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 可以通過SET EMMPROCTRL自定義,Default cause: EPS servi

5、ces not allowed Controlled by command ADD S1ACCAREALST,Regional Roaming Restriction: ADD S1ACCAREALST,License/Resource Limit,Y,No response from MME,N,鑒權(quán)流程內(nèi)部處理過程,Authentication set response,Access control by IMSI,N,Authentication set request,Y,IMSIHSS/DMPE?,N,Y,Protocol error, unspecified. 可以通過SET EM

6、MPROCTRL自定義,Network failure (#17) 可以通過SET EMMPROCTRL自定義,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

7、,No response form HLR,Network failure (#17) 可以通過SET EMMPROCTRL自定義,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),位置更新內(nèi)部處理過程,Update location,DIAMETER_ERROR_USER_UNKNOWN,EPS services and non-EPS ser

8、vices 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) (可通過ADD S1ARD配置),Restrict according to APNNI,DIAMETER_ERROR_ROAMING_NOT

9、_ALLOWED,No suitable cells in tracking area (#15) Or Roaming 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) (可通過ADD S1ARD配置),Authentication request/ response,No suitable cel

10、ls in tracking area(#15)(可配置),缺省承載建立內(nèi)部處理過程,Default Bearer Creation,DefaultBearer Creating Failed,ESM failur(#19),其他因素導致的承載激活失敗,終端無應(yīng)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 EMM

11、PROCTRL 在用戶接入S1模式時，USN9810可通過該命令控制MM流程進行特殊處理以及特殊場景下指定的原因值下發(fā)，以滿足運營商實現(xiàn)對現(xiàn)網(wǎng)設(shè)備兼容性特殊控制的需求。,Cause Value(Regional Roaming Restriction),ADD S1ACCAREALST 區(qū)域漫游限制用戶：可以限制特定的用戶在特定的跟蹤區(qū)內(nèi)的接接入策略及拒絕原因值的配置。,Cause Value(Access control by subscribed data),ADD S1ARD 可以配置是否拒絕終端的原因值,接入控制原因值,目 錄,附著流程故障處理背景知識 1.1 附著流程介紹 1.2 M

12、ME內(nèi)部處理機制 1.3 附著流程故障處理思路,附著流程故障分析思路,附著流程的故障分析思路如下： 1、確定網(wǎng)元范圍； 2、確定故障影響范圍，初步定位故障點； 所有用戶附著失敗 部分用戶附著失敗 個別用戶附著失敗 3、確定流程中的故障點 （B3FA）,確定相關(guān)網(wǎng)元，確定故障范圍,確定流程中的故障點,B3FA分析方法,目 錄,附著流程故障處理背景知識 附著流程故障分析處理,目 錄,附著流程故障分析處理 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 缺省承載建立故障,接口故障,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request

13、 (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,根據(jù)信令跟蹤，若看不到MS發(fā)起的“Attach Request”消息，表明S1接口出現(xiàn)故障。 接口故障按照協(xié)議棧從下到上逐步排查。,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 錄,附著流程故障分析處理 2.1 接口故障 2.2 接入故障

14、 2.3 安全流程故障 2.4 位置更新故障 2.5 缺省承載建立故障,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 allowe

15、d 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 P

16、LMN(#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,e

17、NodeB,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 S1AC

18、CAREALST,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 S1A

19、CCAREALST,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,接入故障總結(jié),UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Attach Reject,

20、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

21、 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 錄,附著流程故障分析處理 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 缺省承載建立故障,目 錄,附著流程

22、故障分析處理 2.3 安全流程故障 2.3.1 取鑒權(quán)集流程故障 2.3.2 鑒權(quán)流程故障,取鑒權(quán)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,取鑒權(quán)集流程故障案例1,UE,eNodeB,MME,SGW,

23、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,取鑒權(quán)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,L

24、icense /Resource Limit,Access Control by IMSI,Cause: Protocol error, unspecified. (#111) Control by command SET EMMPROCTRL,取鑒權(quán)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, unspeci

25、fied. (#111) Control by command SET EMMPROCTRL,1, No configuration in ADD IMSIHSS/ ADD DMPE,取鑒權(quán)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,取鑒權(quán)集流程故障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with

26、IMSI),Attach Reject,Cause: Cause: Network failure (#17) Control by command SET EMMPROCTRL,取鑒權(quán)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,取鑒權(quán)集流程故障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (wi

27、th IMSI),Attach Reject,Cause: Cause: Network failure (#17) Control by command SET EMMPROCTRL,1, S6a interface failure,取鑒權(quán)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 EMMPROCTR

28、L,取鑒權(quán)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,取鑒權(quán)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 Re

29、ject,Cause: Cause: Network failure (#17) Control by command SET EMMPROCTRL,Authentication Information Response,X,X,X,t,取鑒權(quán)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 EMMPROCT

30、RL,No response from HSS,取鑒權(quán)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,取鑒權(quán)集流程故障案例4,UE,eNodeB,MME,SGW,HSS,P

31、GW,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,取鑒權(quán)集流程故障案例4：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Authentication Informati

32、on 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,取鑒權(quán)集流程故障案例4,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Authentication Information Request,A

33、uthentication 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,取鑒權(quán)集流程故障案例5,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Authentication Information Request,Authenticatio

34、n Information Response,Attach Reject,Cause: No suitable cells in tracking area(#15) Control by command SET EMMPROCTRL,取鑒權(quán)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 trac

35、king area(#15) Control by command SET EMMPROCTRL,取鑒權(quán)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 H

36、SS: DIAMETER_ERROR_UNKNOWN_EPS_SUBSCRIPTION,取鑒權(quán)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: DIAMET

37、ER_ERROR_UNKNOWN_EPS_SUBSCRIPTION,取鑒權(quán)集流程故障總結(jié),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 IMSIHS

38、S/ 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

39、 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 錄,附著流程故障分析處理 2.3 安全流程故障 2.3.1 取鑒權(quán)集流程故障 2.3.2 鑒權(quán)流程故障,鑒權(quán)流程故障案例6,UE,eNodeB,MME,SGW,HSS,P

40、GW,Attach Request (with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause: Protocol error, unspecified. (#111),鑒權(quán)流程故障案例6,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Authentication Information Request,Authentication Inform

41、ation Response,Authentication Request,Attach Reject,Cause: Protocol error, unspecified. (#111),鑒權(quán)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, unspec

42、ified. (#111),X,T3460,X,X,Authentication Response,Authentication Request,Authentication Request,N3460,Illegal UE,鑒權(quán)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

43、error, unspecified. (#111),No authentication response from UE,鑒權(quán)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,

44、鑒權(quán)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,鑒權(quán)流程故障案例7：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with

45、IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause: illegal UE(#3),Authentication Failure (Cause: MAC failure),Authentication Reject,Illegal UE,鑒權(quán)流程故障案例7：分析思路,Generation of authentication vectors in HSS,User authentication function

46、 in the USIM,鑒權(quán)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

47、 cause:, MAC Failure,鑒權(quán)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,鑒權(quán)流程故障案例8,UE,eNodeB,MME,SGW,HSS,PGW,Atta

48、ch Request (with IMSI),Authentication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause: illegal UE(#3),Authentication Response,Authentication Reject,鑒權(quán)流程故障案例8：分析思路,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Authentication Information Reques

49、t,Authentication Information Response,Authentication Request,Attach Reject,Cause: illegal UE(#3),Authentication Response,Authentication Reject,Illegal UE,鑒權(quán)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,Cau

50、se: 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,擁塞,擁塞,RES1 XRES2,鑒權(quán)流程故障案例8,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Authent

51、ication 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,鑒權(quán)流程故障總結(jié),UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Auth

52、entication Information Request,Authentication Information Response,Authentication Request,Attach Reject,Cause: Protocol error, unspecified. (#111),No authentication response from UE,Attach Reject,Cause: illegal UE(#3),Authentication Reject,Authentication Failure,Authentication and Ciphering Failure

53、from UE with cause:, MAC Failure,Attach Reject,Cause: illegal UE(#3),Authentication Response,Authentication Reject,Authentication and Ciphering Response from UE with incorrect RES,目 錄,附著流程故障分析處理 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 缺省承載建立故障,目 錄,附著流程故障分析處理 2.4 位置更新流程故障 2.4.1 位置更新流程故障 2.4.2 簽約數(shù)

54、據(jù)接入控制,位置更新故障案例1,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Authentication Information Request,Authentication Information Response,Authentication Response,Authentication Request,Attach Reject,Cause: Protocol error, unspecified. (#111) Control by command SET EMMPROCTRL,位置更新故障案例1,UE,eNodeB,MM

55、E,SGW,HSS,PGW,Attach Request (with IMSI),Authentication Information Request,Authentication Information Response,Authentication Response,Authentication Request,Attach Reject,Cause: Protocol error, unspecified. (#111) Control by command SET EMMPROCTRL,1, No configuration in ADD IMSIHSS/ ADD DMPE,位置更新故

56、障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Authentication Information Request,Authentication Information Response,Authentication Response,Authentication Request,Attach Reject,Cause: Cause: Network failure (#17) Control by command SET EMMPROCTRL,位置更新故障案例2,UE,eNodeB,MME,SGW,HSS,PGW,Atta

57、ch Request (with IMSI),Authentication Information Request,Authentication Information Response,Authentication Response,Authentication Request,Attach Reject,Cause: Cause: Network failure (#17) Control by command SET EMMPROCTRL,1, S6a interface failure,位置更新故障案例3,UE,eNodeB,MME,SGW,HSS,PGW,Attach Request (with IMSI),Authentication Information Request,Authentication Information Response,Authentication Response,Authentication Request,Update Location Request,Attach Reject,Cause: Cause: N