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1、Security Level: HUAWEI TECHNOLOGIES CO., LTD.Page1修訂記錄課程編碼課程編碼適用產(chǎn)品適用產(chǎn)品產(chǎn)品版本產(chǎn)品版本課程版本課程版本ISSUEEB913307EPCV900R011C011.10開(kāi)發(fā)開(kāi)發(fā)/優(yōu)化者優(yōu)化者時(shí)間時(shí)間審核人審核人開(kāi)發(fā)類型(新開(kāi)發(fā)開(kāi)發(fā)類型(新開(kāi)發(fā)/優(yōu)化)優(yōu)化)杜孝親20120323杜孝親優(yōu)化本頁(yè)不打印Copyright 2010 Huawei Technologies Co., Ltd. All rights reserved. EPC EPC 移動(dòng)性管理附著流移動(dòng)性管理附著流程故障處理程故障處理(MME)(MME)Security
2、 Level: HUAWEI TECHNOLOGIES CO., LTD.參考資料參考資料3GPP 234013GPP 234013GPP 24301(MM/SM)3GPP 24301(MM/SM)3GPP 29272(S6a)3GPP 29272(S6a)Page3Security Level: HUAWEI TECHNOLOGIES CO., LTD.培訓(xùn)目標(biāo)培訓(xùn)目標(biāo)學(xué)完本課程后,您應(yīng)該能:學(xué)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(jī)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(jí)故障處理Page4Security Level: HUAWEI TECHNOLOGIES
3、 CO., LTD.目目 錄錄1.1. 附著流程故障處理背景知識(shí)附著流程故障處理背景知識(shí)2.2. 附著流程故障分析處理附著流程故障分析處理Page5Security Level: HUAWEI TECHNOLOGIES CO., LTD.目目 錄錄1.1. 附著流程故障處理背景知識(shí)附著流程故障處理背景知識(shí)2.2. 附著流程故障分析處理附著流程故障分析處理Page6Security Level: HUAWEI TECHNOLOGIES CO., LTD.目目 錄錄1.1. 附著流程故障處理背景知識(shí)附著流程故障處理背景知識(shí)1.1 1.1 附著流程介紹附著流程介紹1.2 MME內(nèi)部處理機(jī)制1.3 附
4、著流程故障處理思路Page7Security Level: HUAWEI TECHNOLOGIES CO., LTD.Attach with IMSI in 4GAttach with IMSI in 4GPage8UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Access Control by MME license/ data configuration Authentication Information RequestAuthentication Information ResponseAuthentication ResponseCrea
5、te Session RequestAuthentication RequestCreate Session ResponseInitial Context Setup Request(Attach Accept )Direct transfer (Attach Complete )RRC Connection Reconfiguration( Attach accept)Initial Context Setup ResponseUpdate Location RequestUpdate Location AnswerAccess Control by Subscribe data接入控制接
6、入控制安全流程安全流程位置更新位置更新缺省承缺省承載創(chuàng)載創(chuàng)建建Create Session RequestCreate Session ResponseModify Bearer RequestModify Bearer ResponseRRC Connection Reconfiguration CompleteSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.目目 錄錄1.1. 附著流程故障處理背景知識(shí)附著流程故障處理背景知識(shí)1.1 附著流程介紹1.2 MME1.2 MME內(nèi)部處理機(jī)制內(nèi)部處理機(jī)制1.3 附著流程故障處理思路Page9Security
7、 Level: HUAWEI TECHNOLOGIES CO., LTD.接入控制內(nèi)部處理過(guò)程接入控制內(nèi)部處理過(guò)程Page10Attach requestHPLMN?Connect PLMN?NYYNYAccess control by IMSINIMSIHSS/DMPE?Default cause: EPS services not allowed in this PLMN可以通過(guò)SET EMMPROCTRL自定義Default cause: EPS services not allowed Controlled by command ADD S1ACCAREALSTRegional Roa
8、ming Restriction: ADD S1ACCAREALSTLicense/Resource LimitYNo response from MMENSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.鑒權(quán)流程內(nèi)部處理過(guò)程鑒權(quán)流程內(nèi)部處理過(guò)程Page11Authentication set response Access control by IMSINAuthentication set request YIMSIHSS/DMPE?NYProtocol error, unspecified.可以通過(guò)SET EMMPROCTRL自定義Network
9、failure (#17)可以通過(guò)SET EMMPROCTRL自定義DIAMETER_ERROR_USER_UNKNOWNEPS services and non-EPS services not allowed(#8)(可配置)Wrong K/OPIllegal UE(#3)Unknown subs in HLRAuthentication failureNAuthentication request/ response No response from UEIllegal UE(#3)Authentication failureNo response form HLRNetwork fai
10、lure (#17)可以通過(guò)SET EMMPROCTRL自定義Illegal UEIllegal UE(#3)Authentication failureDIAMETER ERROR UNKNOWN EPS SUBSCRIPTIONEPS Subs Unknown No suitable cells in tracking area(#15)(可配置)Security Level: HUAWEI TECHNOLOGIES CO., LTD.位置更新內(nèi)部處理過(guò)程位置更新內(nèi)部處理過(guò)程Page12Update locationDIAMETER_ERROR_USER_UNKNOWNEPS servic
11、es and non-EPS services not allowed(#8) (可配置)DIAMETER ERROR UNKNOWN EPS SUBSCRIPTIONEPS Subs Unknown Access control by subscribed dataZone code restrict PLMN not allowed (#11)(可配置)Roaming not allowedARD restrictEPS services not allowed (#7) (可通過(guò)ADD S1ARD配置)Restrict according to APNNIDIAMETER_ERROR_R
12、OAMING_NOT_ALLOWEDNo suitable cells in tracking area (#15) OrRoaming not allowed in this tracking area(#13) Unknown subsDIAMETER_ERROR_RAT_NOT_ALLOWEDRAT not allowedNo suitable cells in tracking area(#15)(可配置)EPS services not allowed (#7) (可通過(guò)ADD S1ARD配置)Authentication request/ response No suitable
13、cells in tracking area(#15)(可配置)Security Level: HUAWEI TECHNOLOGIES CO., LTD.缺省承載建立內(nèi)部處理過(guò)程缺省承載建立內(nèi)部處理過(guò)程Page13Default Bearer Creation DefaultBearer Creating FailedESM failur(#19)其他因素導(dǎo)致的承載激活失敗終端無(wú)應(yīng)答ACTIVATE DEFAULT EPS BEARER CONTEXT ACCEPT/ Attach CompleteDefaultBearer Creating FailedESM failur(#19)Acce
14、ss control by subscribed dataSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.原因值(原因值(PLMNPLMN配置配置/S6a/S6a接口故接口故障)障)SET EMMPROCTRLSET EMMPROCTRL 在用戶接入S1模式時(shí),USN9810可通過(guò)該命令控制MM流程進(jìn)行特殊處理以及特殊場(chǎng)景下指定的原因值下發(fā),以滿足運(yùn)營(yíng)商實(shí)現(xiàn)對(duì)現(xiàn)網(wǎng)設(shè)備兼容性特殊控制的需求。 Page14Security Level: HUAWEI TECHNOLOGIES CO., LTD.Cause Value(Cause Value(Regiona
15、l Regional Roaming RestrictionRoaming Restriction) )ADD S1ACCAREALSTADD 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。Page15Security Level: HUAWEI TECHNOLOGIES CO., LTD.Cause Value(Cause Value(Access Access control by subscribed control by subscribed datadata) )ADD S1ARDADD S1ARD 可以配置是否拒絕終端
16、的原因值Page16Security Level: HUAWEI TECHNOLOGIES CO., LTD.接入控制原因值接入控制原因值故障原因值故障原因值限制類別限制類別解決辦法解決辦法No suitable cells in tracking area (#15) Roaming not allowed in this tracking area(#13) ZC限制1.檢查HSS簽約數(shù)據(jù)2.檢查ZC配置數(shù)據(jù)EPS services not allowed (#7) (可通過(guò)ADD S1ARD配置)ARD限制1.檢查HSS簽約數(shù)據(jù)2.檢查ADD S1ARDEPS services not
17、allowed (#7) (可通過(guò)ADD S1ARD配置)APNNI限制1.檢查HSS簽約數(shù)據(jù)2.檢查ADD S1ARDPage17Security Level: HUAWEI TECHNOLOGIES CO., LTD.目目 錄錄1.1. 附著流程故障處理背景知識(shí)附著流程故障處理背景知識(shí)1.1 附著流程介紹1.2 MME內(nèi)部處理機(jī)制1.3 1.3 附著流程故障處理思路附著流程故障處理思路Page18Security Level: HUAWEI TECHNOLOGIES CO., LTD.附著流程故障分析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:附著流程的故障分析思路如下: 1、確定
18、網(wǎng)元范圍; 2、確定故障影響范圍,初步定位故障點(diǎn); 所有用戶附著失敗 部分用戶附著失敗 個(gè)別用戶附著失敗 3、確定流程中的故障點(diǎn) (B3FA)Page19Security Level: HUAWEI TECHNOLOGIES CO., LTD.確定相關(guān)網(wǎng)元,確定故障范圍確定相關(guān)網(wǎng)元,確定故障范圍Page20eNodeBeNodeBeNodeB本網(wǎng)用戶漫游用戶RouterMMESGWSGWSGWHSSLocal PLMNHSSOther PLMNPGWPGWSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.Page21確定流程中的故障點(diǎn)確定流程中的故障點(diǎn)S
19、ecurity Level: HUAWEI TECHNOLOGIES CO., LTD.B3FAB3FA分析方法分析方法故障現(xiàn)象故障現(xiàn)象流程模塊流程模塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施本網(wǎng)元處理失效輸入異常處理異常輸出異常對(duì)端網(wǎng)元無(wú)響應(yīng)失效是否選擇正確的對(duì)端網(wǎng)元對(duì)端網(wǎng)元狀態(tài)異常消息收發(fā)異常對(duì)端網(wǎng)元輸出失效輸入異常處理異常輸出異常Page22Security Level: HUAWEI TECHNOLOGIES CO., LTD.目目 錄錄1.1. 附著流程故障處理背景知識(shí)附著流程故障處理背景知識(shí)2.2. 附著流程故障分析處理附著流程故障分析處理P
20、age23Security Level: HUAWEI TECHNOLOGIES CO., LTD.目目 錄錄2.2. 附著流程故障分析處理附著流程故障分析處理2.1 2.1 接口故障接口故障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Page24Security Level: HUAWEI TECHNOLOGIES CO., LTD.接口故障接口故障Page25UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)X故障現(xiàn)象故障現(xiàn)象流程模塊流程模塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施
21、解決措施跟蹤不到用戶發(fā)起的Attach Request消息Security Level: HUAWEI TECHNOLOGIES CO., LTD.接口故障接口故障Page26UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)X故障現(xiàn)象故障現(xiàn)象流程模塊流程模塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施跟蹤不到用戶發(fā)起的Attach Request消息接入控制本網(wǎng)元處理失效輸入異常?Security Level: HUAWEI TECHNOLOGIES CO., LTD.接口故障分析思路接口故障分析思路l根據(jù)信令跟蹤
22、,若看不到MS發(fā)起的“Attach Request”消息,表明S1接口出現(xiàn)故障。l接口故障按照協(xié)議棧從下到上逐步排查。Page27S1-APSCTPIPL2L1S1-APSCTPIPL2L1eNodeBMMES1-MMESecurity Level: HUAWEI TECHNOLOGIES CO., LTD.接口故障接口故障Page28UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)X故障現(xiàn)象故障現(xiàn)象流程模塊流程模塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施跟蹤不到用戶發(fā)起的Attach Request消息接入控
23、制本網(wǎng)元處理失效輸入異常S1接口硬件故障查看告警更換硬件S1接口IP路由故障PING檢查數(shù)據(jù)配置、IP設(shè)備狀態(tài)S1接口鏈路故障DSP S1APLNK檢查數(shù)據(jù)配置S1PAGING表未上報(bào)LST S1PAGING檢查eNodeB側(cè)數(shù)據(jù)配置Security Level: HUAWEI TECHNOLOGIES CO., LTD.目目 錄錄2.2. 附著流程故障分析處理附著流程故障分析處理2.1 接口故障2.2 2.2 接入故障接入故障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Page29Security Level: HUAWEI TECHNOLOGIES CO., LTD.接
24、入故障案例接入故障案例1 1Page30UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: EPS services not allowed in this PLMN(#14)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施MME收到“Attach Request”消息,立即發(fā)送“Attach Reject”,拒絕原因值為“EPS services not allowed in this
25、 PLMN”。Security Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例1 1Page31UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: EPS services not allowed in this PLMN(#14)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施MME收到“Attach Request”消息,立即發(fā)送“A
26、ttach Reject”,拒絕原因值為“EPS services not allowed in this PLMN”。接入控制本網(wǎng)元處理失效處理異常?Security Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例1 1:分析思路:分析思路Page32UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: EPS services not allowed in this PLMN(#14)Attach requestHPLMN?Connect PLMN?NYYNDef
27、ault cause: EPS services not allowed in this PLMN可以通過(guò)SET EMMPROCTRL自定義License/Resource LimitYNo response from MMENSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例1 1Page33UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: EPS services not allowed in this PLMN(#14)Control by c
28、ommand SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施MME收到“Attach Request”消息,立即發(fā)送“Attach Reject”,拒絕原因值為“EPS services not allowed in this PLMN”。接入控制本網(wǎng)元處理失效處理異常本網(wǎng)用戶,MME未配置HPLMNLST HPLMNADD HPLMN他網(wǎng)用戶,MME未配置CONNECTPLMNLST CONNECTPLMNADD CONNECTPLMN1, No configuration in ADD HPLMN
29、/ ADD CONNCECTPLMNSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例2 2Page34UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施MME收到“Attach Request”消息,不做任何處理,無(wú)返回消息和錯(cuò)誤原因值。XSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例2 2Page35UEeN
30、odeBMMESGWHSSPGWAttach Request (with IMSI)故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施MME收到“Attach Request”消息,不做任何處理,無(wú)返回消息和錯(cuò)誤原因值。接入控制本網(wǎng)元處理失效處理異常?XSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例2 2:分析思路:分析思路Page36UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)XAttach requestHPLMN
31、?Connect PLMN?NYYNDefault cause: EPS services not allowed in this PLMN可以通過(guò)SET EMMPROCTRL自定義License/Resource LimitYNo response from MMENSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例2 2Page37UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解
32、決措施MME收到“Attach Request”消息,不做任何處理,無(wú)返回消息和錯(cuò)誤原因值。接入控制本網(wǎng)元處理失效處理異常License失效檢查告警更換license用戶數(shù)超過(guò)license限制檢查告警擴(kuò)容license用戶數(shù)擁塞檢查告警擴(kuò)容單板X1, 4G User number reaches the license limitation: sum of Maximum number of 4G subscribers;2, User congestionSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例3 3Page38UE
33、eNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: EPS services not allowed (#7)Control by command ADD S1ACCAREALST故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施MME在收到“Attach Request”消息后立即拒絕了MS的附著請(qǐng)求,拒絕原因值為“EPS services not allowed”Security Level: HUAWEI TECHNOLOGIES CO., LTD.接
34、入故障案例接入故障案例3 3Page39UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: EPS services not allowed (#7)Control by command ADD S1ACCAREALST故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施MME在收到“Attach Request”消息后立即拒絕了MS的附著請(qǐng)求,拒絕原因值為“EPS services not allowed”接入控制本網(wǎng)元處理失效處理異常?輸出異常?Sec
35、urity Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例3 3:分析思路:分析思路Page40UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectYAccess control by IMSINIMSIHSS/DMPE?Default cause: EPS services not allowed Controlled by command ADD S1ACCAREALSTRegional Roaming Restriction: ADD S1ACCAREALSTLicense
36、/Resource LimitYNo response from MMENCause: EPS services not allowed (#7)Control by command ADD S1ACCAREALSTSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障案例接入故障案例3 3Page41UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: EPS services not allowed (#7)Control by command ADD S1ACCARE
37、ALST故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施MME在收到“Attach Request”消息后立即拒絕了MS的附著請(qǐng)求,拒絕原因值為“EPS services not allowed”接入控制本網(wǎng)元處理失效輸出異常根據(jù)用戶IMSI號(hào)段進(jìn)行漫游限制LST S1ACCAREALST無(wú)需處理1, Roaming restricted according to IMSI in command ADD S1ACCAREALSTSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.接入故障總結(jié)接
38、入故障總結(jié)Page42UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectAttach RejectCause: EPS services not allowed in this PLMN(#14)Control by command SET EMMPROCTRLHPLMN / Connect PLMN1, No configuration in ADD HPLMN/ ADD CONNCECTPLMN1, 4G User number reaches the license limitation: sum of Maximum
39、number of 4G subscribers;2, User congestionAttach Request (with IMSI)XLicense /Resource LimitAttach Request (with IMSI)Access Control by IMSI1, Roaming restricted according to IMSI in command ADD S1ACCAREALSTCause: EPS services not allowed (#7)Control by command ADD S1ACCAREALSTSecurity Level: HUAWE
40、I TECHNOLOGIES CO., LTD.目目 錄錄2.2. 附著流程故障分析處理附著流程故障分析處理2.1 接口故障2.2 接入故障2.3 2.3 安全流程故障安全流程故障2.4 位置更新故障2.5 缺省承載建立故障Page43Security Level: HUAWEI TECHNOLOGIES CO., LTD.目目 錄錄2.2. 附著流程故障分析處理附著流程故障分析處理2.3 2.3 安全流程故障安全流程故障2.3.1 2.3.1 取鑒權(quán)集流程故障取鑒權(quán)集流程故障2.3.2 鑒權(quán)流程故障Page44Security Level: HUAWEI TECHNOLOGIES CO.,
41、LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例1 1Page45UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectHPLMN / Connect PLMNLicense /Resource LimitAccess Control by IMSICause: Protocol error, unspecified. (#111)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施用戶發(fā)起附著請(qǐng)求,MME
42、直接回附著拒絕,帶原因值“Protocol error, unspecified” 。 Security Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例1 1Page46UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectHPLMN / Connect PLMNLicense /Resource LimitAccess Control by IMSICause: Protocol error, unspecified. (#111)Control by comma
43、nd SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施用戶發(fā)起附著請(qǐng)求,MME直接回附著拒絕,帶原因值“Protocol error, unspecified” 。 取鑒權(quán)集流程對(duì)端網(wǎng)元無(wú)響應(yīng)失效是否選擇正確的對(duì)端網(wǎng)元?Security Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例1 1:分析:分析思路思路Page47UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectH
44、PLMN / Connect PLMNLicense /Resource LimitAccess Control by IMSICause: Protocol error, unspecified. (#111)Control by command SET EMMPROCTRLAccess control by IMSINAuthentication set request IMSIHSS/DMPE?NYProtocol error, unspecified.可以通過(guò)SET EMMPROCTRL自定義Network failure (#17)可以通過(guò)SET EMMPROCTRL自定義NSecu
45、rity Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例1 1Page48UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectHPLMN / Connect PLMNLicense /Resource LimitAccess Control by IMSICause: Protocol error, unspecified. (#111)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思
46、路可能原因可能原因排查方法排查方法解決措施解決措施用戶發(fā)起附著請(qǐng)求,MME直接回附著拒絕,帶原因值“Protocol error, unspecified” 。 取鑒權(quán)集流程對(duì)端網(wǎng)元無(wú)響應(yīng)失效是否選擇正確的對(duì)端網(wǎng)元IMSIHSS配置問(wèn)題LST IMSIHSSADD IMSIHSSDMPE配置問(wèn)題LST DMPEADD DMPEDMRT配置問(wèn)題LST DMRTADD DMRT1, No configuration in ADD IMSIHSS/ ADD DMPESecurity Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例2 2
47、Page49UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: Cause: Network failure (#17)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施用戶發(fā)起附著請(qǐng)求,MME直接回附著拒絕,帶原因值“Network failure ” 。 Security Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例2
48、 2Page50UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: Cause: Network failure (#17)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施用戶發(fā)起附著請(qǐng)求,MME直接回附著拒絕,帶原因值“Network failure ” 。 取鑒權(quán)集流程對(duì)端網(wǎng)元無(wú)響應(yīng)失效對(duì)端網(wǎng)元狀態(tài)異常?Security Level: HUAWEI TECHNOLOGIES CO.,
49、 LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例2 2:分析:分析思路思路Page51UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: Cause: Network failure (#17)Control by command SET EMMPROCTRLAccess control by IMSINAuthentication set request IMSIHSS/DMPE?NYProtocol error, unspecified.可以通過(guò)SET EMMPROCTRL自定義Network failure
50、 (#17)可以通過(guò)SET EMMPROCTRL自定義NSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例2 2Page52UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Attach RejectCause: Cause: Network failure (#17)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模塊流程模塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施用戶發(fā)起附著請(qǐng)求,MME直接回
51、附著拒絕,帶原因值“Network failure ” 。 取鑒權(quán)集流程對(duì)端網(wǎng)元無(wú)響應(yīng)失效對(duì)端網(wǎng)元狀態(tài)異常S6a接口硬件故障查看告警更換硬件S6a接口IP路由故障PING檢查數(shù)據(jù)配置、IP設(shè)備狀態(tài)S6a接口鏈路故障DSP DMLNK檢查數(shù)據(jù)配置對(duì)端DMPE狀態(tài)異常DSP DMPE檢查數(shù)據(jù)配置1, S6a interface failureSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例3 3Page53UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Authentica
52、tion Information RequestAttach RejectCause: Cause: Network failure (#17)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施用戶發(fā)起附著請(qǐng)求,MME發(fā)出了“Authentication Information Request”消息,但是沒(méi)有收到HSS返回的響應(yīng)消息。MME附著拒絕原因值“Network failure ” 。 Security Level: HUAWEI TECHNOLOGIES C
53、O., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例3 3Page54UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Authentication Information RequestAttach RejectCause: Cause: Network failure (#17)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施用戶發(fā)起附著請(qǐng)求,MME發(fā)出了“Authentication Information Req
54、uest”消息,但是沒(méi)有收到HSS返回的響應(yīng)消息。MME附著拒絕原因值“Network failure ” 。 取鑒權(quán)集流程對(duì)端網(wǎng)元無(wú)響應(yīng)失效消息收發(fā)異常?Security Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例3 3:分析:分析思路思路Page55UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Authentication Information RequestAttach RejectCause: Cause: Network failure (#17)Control by
55、 command SET EMMPROCTRLAuthentication Information ResponseXXXtAuthentication set response Authentication set request YUnknown subs in HLRNo response form HLREPS Subs Unknown Security Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例3 3Page56UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Authen
56、tication Information RequestAttach RejectCause: Cause: Network failure (#17)Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模失效模式式分析思分析思路路可能原因可能原因排查方法排查方法解決措施解決措施用戶發(fā)起附著請(qǐng)求,MME發(fā)出了“Authentication Information Request”消息,但是沒(méi)有收到HSS返回的響應(yīng)消息。MME附著拒絕原因值“Network failure ” 。 取鑒權(quán)集流程對(duì)端網(wǎng)元無(wú)響應(yīng)失效消息收發(fā)異常請(qǐng)求消息丟失檢查HSS是
57、否收到消息檢查信令路徑中相關(guān)設(shè)備HSS無(wú)響應(yīng)檢查HSS是否發(fā)出響應(yīng)消息檢查HSS數(shù)據(jù)配置、模塊工作狀態(tài)。響應(yīng)消息丟失檢查HSS是否發(fā)出響應(yīng)消息檢查信令路徑中相關(guān)設(shè)備響應(yīng)消息超時(shí)檢查MME是否收到響應(yīng)消息排查響應(yīng)消息超時(shí)發(fā)送的故障點(diǎn)No response from HSSSecurity Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例4 4Page57UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Authentication Information RequestAuthenticat
58、ion Information ResponseAttach RejectCause: EPS services and non-EPS services not allowed(#8) Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查方法排查方法解決措施解決措施MME收到HSS返回的取鑒權(quán)集響應(yīng)消息之后,拒絕用戶附著,原因值為EPS services and non-EPS services not allowed(#8) Security Level: HUAWEI TECHNOLOGIE
59、S CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例4 4Page58UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Authentication Information RequestAuthentication Information ResponseAttach RejectCause: EPS services and non-EPS services not allowed(#8) Control by command SET EMMPROCTRL故障現(xiàn)象故障現(xiàn)象流程模流程模塊塊失效模式失效模式分析思路分析思路可能原因可能原因排查
60、方法排查方法解決措施解決措施MME收到HSS返回的取鑒權(quán)集響應(yīng)消息之后,拒絕用戶附著,原因值為EPS services and non-EPS services not allowed(#8) 取鑒權(quán)集流程對(duì)端網(wǎng)元輸出失效輸出異常?Security Level: HUAWEI TECHNOLOGIES CO., LTD.取鑒權(quán)集流程故障案例取鑒權(quán)集流程故障案例4 4:分析:分析思路思路Page59UEeNodeBMMESGWHSSPGWAttach Request (with IMSI)Authentication Information RequestAuthentication Infor
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