CSFB常见问题排查 - 百度文库

2026/1/22 6:34:46

ͼ5-3 SGSNMMESGSN Context ResponseUE GBRΪ640

default bearerGBRӦΪ0MME鵽ûIJϷӶDetacḥUEȥš

3. ࣺ豸ʵ 4.

SGSN°汾ĬϳصGBRֵ޸ġ 5. Ч

SGSN°汾󣬰гδ֡

5.2.4 4SGSNرոUEѡê㹦ܣTAUʧ

1.

ն˴2Gѡص4GʱָTAUʧܣ4GAttachɹ룬ѡ4Gʱӽϳ 2.

BOSSƷѸԭSGSNʱصUEѡܣԵûSGSNһPDPSGSNѸûѡGGSNȻûѡ4GTAUʱMMESGSNȡûģаUEڵIPַؽȡIPַʵGGSNĵַMMEؽʱҪSAE-GW𡣵GGSN֧P-GWܣ³ؽʧܣTAUܾûҪ4GAttachɹ롣

UEʼ4GP-GW֧GGSNܣûϵͳƶʱԶںϽڵ㣬TAURAUʧܡ 3. ࣺ 4.

41

ʱȫBOSSδϣмƷ©ԲʡݽSGSNUEѡʱصһBOSSϣͬʱùܴ򿪣⽫ڡBOSSǰ漸ʱ

һSGSNIMSI/MSISDNŶֳLTEǩԼûêP-GWûêGGSNʵʩʱSGSNԸо̬õĺŶѡأҲͨDNSָͬŶεIJͬصַSGSNͨعAPNķʽչDNSѯϢȡʵأLTEû·ɵGGSN

LTEûARDǩԼϢSGSNUEARDǩԼϢѡʵأLTEû·ɵGGSN÷漰HLRĸ죬ʹá 5. Ч

ϼɽ

5.2.5 5QoS޸ʱMMEһPagingӦDetach UE

1.

ն˷4GTAU̽緢ѰһѰʧܺͷdetach̡ 2.

ն˻䵽GSMͨٷLTEʧܣ2G/3G緢RAỤ֮󷵻4GTAỤTAU REQϢactive flag=0TAU̽MMES1ͷ̣ն˽̬

֮MMEָûLTEQoSǩԼȸû2/3GʵʹõQoSߣMMEQoṢUEѾڿ̬MMEȷpaging̡

42

ͼ5-4 Ϊ޸QosMMEPaging

һ PagingʱǡUEʱͬ1ʱ̣ͬƵлTA listTAUն޷յPaging

ͼ5-5 һPagingʱUEͬʱͬƵл

MMEһPaingӦ£͸S-GWUpdate Bearer ResponseЯUE not respondingԭ򣬵detacḥUEȥ

43

ͼ5-6 MMEһPagingӦ󣬷S-GWUpdate Bearer Response

3. 豸ʵ 4.

MMEʵַʽֻڶѰʧʱſԸSAE GWUpdate Bearer Response 5. Ч

ڶѰʧܣȷʵ쳣ʱŻὫûȥš

5.2.6

1.

6SGSNδ4G EPLMNUE޷4G

CSFBֻʱ֧նعܣ2GһͨСѡLTEʧܣԭMSC·EPLMN list46008Ч

2.

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