ETSI TS 124 244-2018 Universal Mobile Telecommunications System (UMTS) LTE Wireless LAN control plane protocol for trusted WLAN access to EPC Stage 3 (V15 2 0 3GPP TS 24 244 versio.pdf

1、 ETSI TS 124 244 V15.2.0 (2018-07) Universal Mobile Telecommunications System (UMTS); LTE; Wireless LAN control plane protocol for trusted WLAN access to EPC; Stage 3 (3GPP TS 24.244 version 15.2.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 124 244 V15.2.0 (2018-07)13GPP TS 24.244 version 15.2

2、.0 Release 15Reference RTS/TSGC-0124244vf20 Keywords LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Im

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9、23GPP TS 24.244 version 15.2.0 Release 15Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members

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13、Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document

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15、si.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions

16、). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 124 244 V15.2.0 (2018-07)33GPP TS 24.244 version 15.2.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 8g31 Scope 8g32 References 8g

17、33 Definitions and abbreviations . 9g33.1 Definitions 9g33.2 Abbreviations . 9g34 General . 10g34.1 Overview 10g34.2 Protocol stack . 10g34.2.1 General 10g34.2.2 UDP port numbers for WLCP. 10g34.2.2.1 General 10g34.2.2.2 UE procedure 11g34.2.2.3 TWAG procedure 11g34.2.3 IP addresses of WLCP message

18、11g34.2.3.1 General 11g34.2.3.2 UE procedure 11g34.2.3.3 TWAG procedure 11g34.2.4 DTLS usage 12g34.3 WLCP layer states when single point-to-point connectivity is used 12g34.3.1 General 12g34.3.2 WLCP layer states in the UE 12g34.3.2.1 PDN CONNECTIVITY NOT ESTABLISHED . 12g34.3.2.2 PDN CONNECTIVITY E

19、STABLISHED 12g34.3.2.3 PROCEDURE TRANSACTION INACTIVE 12g34.3.2.4 PROCEDURE TRANSACTION PENDING . 12g34.3.3 WLCP layer states in the TWAG 13g34.3.3.1 PDN CONNECTIVITY NOT ESTABLISHED . 13g34.3.3.2 PDN CONNECTIVITY PENDING 13g34.3.3.3 PDN CONNECTIVITY ESTABLISHED 13g34.3.3.4 PDN DISCONNECT PENDING 13

20、g34.3.3.5 PROCEDURE TRANSACTION INACTIVE 13g34.3.3.6 PROCEDURE TRANSACTION PENDING . 13g34.3A WLCP layer states when multiple bearer PDN connectivity is used 14g34.3A.1 General 14g34.3A.2 PDN connectivity and default WLCP bearer contextstates in the UE 14g34.3A.2.1 PDN CONNECTIVITY NOT ESTABLISHED .

21、 14g34.3A.2.1A WLCP BEARER CONTEXT INACTIVE 14g34.3A.2.2 PDN CONNECTIVITY ESTABLISHED 14g34.3A.2.2A WLCP BEARER CONTEXT ACTIVE 14g34.3A.2.3 PROCEDURE TRANSACTION INACTIVE 14g34.3A.2.4 PROCEDURE TRANSACTION PENDING . 15g34.3A.2A Dedicated WLCP bearer context states in the UE 15g34.3A.2A.1 Substate WL

22、CP BEARER CONTEXT INACTIVE . 15g34.3A.2A.2 Substate WLCP BEARER CONTEXT ACTIVE . 15g34.3A.3 WLCP layer PDN connectivity and default WLCP bearer context states in the TWAG 15g34.3A.3.1 PDN CONNECTIVITY NOT ESTABLISHED . 15g34.3A.3.1A WLCP BEARER CONTEXT INACTIVE 15g34.3A.3.2 PDN CONNECTIVITY PENDING

23、15g34.3A.3.2A WLCP BEARER CONTEXT ACTIVE PENDING . 16g34.3A.3.3 PDN CONNECTIVITY ESTABLISHED 16g3ETSI ETSI TS 124 244 V15.2.0 (2018-07)43GPP TS 24.244 version 15.2.0 Release 154.3A.3.3A WLCP BEARER CONTEXT ACTIVE 16g34.3A.3.4 PDN DISCONNECT PENDING 16g34.3A.3.4A WLCP BEARER CONTEXT INACTIVE PENDING

24、. 16g34.3A.3.5 WLCP BEARER MODIFY PENDING 16g34.3A.3A WLCP layer dedicated bearer context states in the TWAG 17g34.3A.3A.1 WLCP BEARER CONTEXT INACTIVE 17g34.3A.3A.2 WLCP BEARER CONTEXT ACTIVE PENDING . 17g34.3A.3A.3 WLCP BEARER CONTEXT ACTIVE 17g34.3A.3A.4 WLCP BEARER CONTEXT INACTIVE PENDING . 17g

25、34.3A.3A.5 WLCP BEARER CONTEXT MODIFY PENDING 17g34.4 IP address allocation . 18g35 Wireless LAN control plane protocol Procedures 18g35.1 General . 18g35.1.1 Overview 18g35.1.2 Services provided by lower layers 18g35.1.3 Principles of address handling for WLCP procedures 18g35.1.4 Abnormal cases in

26、 the UE 19g35.1.5 Abnormal cases in the TWAG 19g35.1.6 Handling of APN based congestion control 19g35.2 PDN connectivity establishment procedure . 19g35.2.1 General 19g35.2.2 PDN connectivity establishment procedure initiation . 20g35.2.3 PDN connectivity establishment procedure accepted by the TWAG

27、 . 21g35.2.3.1 PDN connectivity establishment accepted by the UE . 22g35.2.3.2 PDN connectivity establishment not accepted by the UE . 22g35.2.4 PDN connectivity procedure not accepted by the TWAG 22g35.2.5 Abnormal cases in the UE 24g35.2.6 Abnormal cases on the network side 24g35.3 TWAG initiated

28、PDN disconnection procedure . 25g35.3.1 General 25g35.3.2 Procedure description . 25g35.3.3 Abnormal cases in the UE 26g35.3.4 Abnormal cases in the TWAG 26g35.4 UE requested PDN disconnection procedure . 26g35.4.1 General 26g35.4.2 Procedure description . 26g35.4.3 Abnormal cases in the UE 27g35.4.

29、4 Abnormal cases in the TWAG 27g35.5 STATUS message 27g35.6 TWAG initiated PDN connectivity modification procedure 28g35.6.1 General 28g35.6.2 Procedure description . 28g35.6.3 PDN connectivity modification procedure accepted by the UE . 29g35.6.4 PDN connectivity modification procedure not accepted

30、 by the UE . 29g35.6.5 Abnormal cases in the UE 29g35.6.6 Abnormal cases in the TWAG 29g35.7 UE requested PDN connectivity modification procedure. 29g35.7.1 General 29g35.7.2 Procedure description . 29g35.7.3 PDN connectivity modification procedure accepted by the network 30g35.7.4 PDN connectivity

31、modification procedure not accepted by the network 30g35.7.5 Abnormal cases in the UE 30g35.7.6 Abnormal cases in the TWAG 31g35.8 PGW initiated local PDN disconnection in the TWAG . 31g35.8.1 General 31g35.8.2 Procedure description . 31g35.9 Local PDN disconnection in the UE initiated from 3GPP acc

32、ess 31g35.9.1 General 31g35.9.2 Procedure description . 31g35.10 WLCP bearer setup procedure 31g35.10.1 General 31g3ETSI ETSI TS 124 244 V15.2.0 (2018-07)53GPP TS 24.244 version 15.2.0 Release 155.10.2 Procedure description . 32g35.10.2.1 WLCP bearer setup procedure initiated by the TWAG . 32g35.10.

33、2.2 WLCP bearer setup procedure accepted by the UE 32g35.10.2.3 WLCP bearer setup procedure not accepted by the UE 32g35.10.3 Abnormal cases in the UE 33g35.10.4 Abnormal cases in the TWAG 34g35.11 WLCP bearer modify procedure 34g35.11.1 General 34g35.11.2 Procedure description . 34g35.11.2.1 WLCP b

34、earer modify procedure initiated by the TWAG 34g35.11.2.2 WLCP bearer modify procedure accepted by the UE . 35g35.11.2.3 WLCP bearer modify procedure not accepted by the UE . 35g35.11.3 Abnormal cases in the UE 37g35.11.4 Abnormal cases in the TWAG 37g35.12 WLCP bearer release procedure . 37g35.12.1

35、 General 37g35.12.2 Procedure description . 38g35.12.2.1 WLCP bearer release procedure initiated by the TWAG 38g35.12.2.2 WLCP bearer release procedure accepted by the UE 38g35.12.2.3 WLCP bearer release procedure not accepted by the UE 38g35.12.3 Abnormal cases in the UE 39g35.12.4 Abnormal cases i

36、n the TWAG 39g36 Handling of unknown, unforeseen, and erroneous protocol data . 39g36.1 General . 39g36.2 Message too short . 40g36.3 Unknown or unforeseen procedure transaction identity or PDN connection ID 40g36.3.1 Procedure transaction identity. 40g36.3.2 PDN connection ID . 40g36.4 Unknown or u

37、nforeseen message type . 41g36.5 Non-semantical mandatory information element errors . 41g36.5.1 Common procedures . 41g36.5.2 PDN connection management. 41g36.6 Unknown and unforeseen IEs in the non-imperative message part 42g36.6.1 IEIs unknown in the message . 42g36.6.2 Out of sequence IEs 42g36.

38、6.3 Repeated IEs . 42g36.7 Non-imperative message part errors . 42g36.7.1 General 42g36.7.2 Syntactically incorrect optional IEs 42g36.7.3 Conditional IE errors 42g36.8 Messages with semantically incorrect contents 43g37 Message functional definitions and contents 43g37.1 PDN connectivity request .

39、43g37.1.1 Message definition 43g37.1.2 Access point name 43g37.1.3 Protocol configuration options 43g37.1.4 NBIFOM container . 43g37.1.5 UE N3G capability 43g37.2 PDN connectivity accept 44g37.2.1 Message definition 44g37.2.2 Protocol configuration options 44g37.2.3 Cause 44g37.2.4 NBIFOM container

40、. 44g37.2.5 WLCP bearer identity . 44g37.2.6 Bearer level QoS . 44g37.2.7 APN-AMBR . 45g37.3 PDN connectivity reject . 45g37.3.1 Message definition 45g37.3.2 Protocol configuration options 45g37.3.3 Tw1 value . 45g3ETSI ETSI TS 124 244 V15.2.0 (2018-07)63GPP TS 24.244 version 15.2.0 Release 157.4 PD

41、N disconnect request . 45g37.4.1 Message definition 45g37.4.2 Protocol configuration options 46g37.5 PDN disconnect accept . 46g37.5.1 Message definition 46g37.5.2 Protocol configuration options 46g37.6 PDN disconnect reject 46g37.6.1 Message definition 46g37.6.2 Protocol configuration options 47g37

42、.7 PDN connectivity complete 47g37.7.1 Message definition 47g37.8 Status message 47g37.8.1 Message definition 47g37.9 PDN modification request 48g37.9.1 Message definition 48g37.9.2 Protocol configuration options 48g37.9.3 NBIFOM container . 48g37.10 PDN modification accept . 48g37.10.1 Message defi

43、nition 48g37.10.2 Protocol configuration options 48g37.10.3 NBIFOM container . 49g37.11 PDN modification reject . 49g37.11.1 Message definition 49g37.11.2 Protocol configuration options 49g37.11.3 NBIFOM container . 49g37.12 PDN modification indication 49g37.12.1 Message definition 49g37.12.2 Protoc

44、ol configuration options 50g37.12.3 NBIFOM container . 50g37.13 WLCP bearer setup request 50g37.13.1 Message definition 50g37.13.2 Protocol configuration options 50g37.14 WLCP bearer setup accept . 51g37.14.1 Message definition 51g37.14.2 Protocol configuration options 51g37.15 WLCP bearer setup rej

45、ect . 51g37.15.1 Message definition 51g37.15.2 Protocol configuration options 52g37.16 WLCP bearer modify request . 52g37.16.1 Message definition 52g37.16.2 Bearer level QoS . 52g37.16.3 TFT . 52g37.16.4 Cause 52g37.16.5 Protocol configuration options 52g37.16.6 APN-AMBR . 53g37.17 WLCP bearer modif

46、y accept 53g37.17.1 Message definition 53g37.17.2 Protocol configuration options 53g37.18 WLCP bearer modify reject 53g37.18.1 Message definition 53g37.18.2 Protocol configuration options 54g37.19 WLCP bearer release request . 54g37.19.1 Message definition 54g37.19.2 Protocol configuration options 5

47、4g37.20 WLCP bearer release accept . 54g37.20.1 Message definition 54g37.20.2 Protocol configuration options 55g37.21 WLCP bearer release reject 55g37.21.1 Message definition 55g37.21.2 Protocol configuration options 55g38 General message format and information elements coding 56g3ETSI ETSI TS 124 2

48、44 V15.2.0 (2018-07)73GPP TS 24.244 version 15.2.0 Release 158.1 General . 56g38.2 Message type 56g38.3 Procedure transaction identity 57g38.4 Request type . 57g38.5 PDN type 58g38.6 Access point name 58g38.7 Protocol configuration options . 58g38.8 PDN address . 58g38.9 PDN connection ID 58g38.10 U

49、ser plane connection ID . 58g38.11 Cause 59g38.12 GPRS timer 3 . 59g38.13 NBIFOM container. 59g38.14 UE N3G capability . 59g38.15 WLCP bearer identity . 59g38.16 EPS quality of service 60g38.17 Traffic flow template 60g38.18 Spare half octet . 60g39 List of system parameters . 61g39.1 Timers 61g3Annex A (informative): Cause values for WLCP protocol . 63g3A.1 Causes related to nature of request . 63g3A.2 Protocol errors (e.g., unknown message) class . 63g3Annex B (Informative): IANA UDP port registration form . 64g3Annex C (informative): Change history . 66g3History 68g3ETSI ET