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一、4G(LTE)中Attach 在LTE系統(tǒng)中終端的Attach流程是其在核心網(wǎng)MME上注冊過程；支持NSA的終端(UE)是在回復(fù)錨點小區(qū)的RRC COnnection Setup Complete消息中包含ATTACH REQUEST((initial-NAS)內(nèi)容。在消息IE dedicatedInfo NAS中包含了終端初始接入網(wǎng)絡(luò)的內(nèi)容。
二、4G中Attach分類 ATTACH REQUEST消息IE中包括EPS Attach類型、EPS移動身份、UE網(wǎng)絡(luò)能力、ESM消息容器、終端的舊P-TMSI簽名、GUTI、上次接入注冊TAI、DRX參數(shù)、舊位置區(qū)域識別、Attach更新類型、語音域偏好和UE使用設(shè)置等。其中IE EPS Attach Type指示了附著過程目的，3GPP定義終端附著有三種類型:
其中IE EPS Mobile Identity可以是GUTI、IMSI或IMEI。如果UE持有有效GUTI(本地GUTI或映射GUTI)，則UE應(yīng)包含GUTI。如沒有效的GUTI可用，UE應(yīng)包含IMSI作為EPS Mobile Identity IE。如果UE為緊急承載服務(wù)而附加，并且如上所述沒有持有有效的GUTI、P-TMSI或IMSI，則IMEI應(yīng)包含在 EPS移動標(biāo)識IE中; ESM消息容器IE是啟用EMM消息中ESM消息的捎帶式傳輸(其可能包含IE，例如EPS承載身份、過程事務(wù)身份、PDN連接請求、PDN類型、請求類型、ESM信息傳輸標(biāo)志、EIT(ESM信息傳輸)、協(xié)議配置選項(配置協(xié)議、DNS服務(wù)器地址請求等)； IE附加更新類型提供有關(guān)組合附加過程請求類型的附加信息。Bit1值0 示“沒有附加信息”，1表示“只有短信” 如果UE支持CS FallBack和SMS over SG，或者如果UE配置為支持IMS語音但不支持1xCS回退，則應(yīng)包括語音域偏好和UE的使用設(shè)置IE。該IE向網(wǎng)絡(luò)提供UE的使用設(shè)置和E-UTRAN的語音域偏好。詳見3GPPTS24.008第 10.5.5.28 節(jié) 如果UE持有有效的最后訪問的注冊跟蹤區(qū)域標(biāo)識(TAI)，則應(yīng)包括IE最后訪問的注冊TAI。 三、終端Attach Request消息內(nèi)容 3.1 Attach Request是終端通過eNode向核心網(wǎng)發(fā)出的注冊請求。
圖2. Attach Request消息圖 MsgEnter 0> 07 00000111 T ..no-security-protection-MM-message（非加密保護(hù)的MM信息） ....msg-body 1> 41 01000001 T ......attachRequest ........nAS-key-set-identifier(NAS密鑰ID) 2> 12 0------- ..........tsc:native-security-context (0) -001---- ..........nAS-key-set-identifier:nas-KSI1 (1)(NAS密鑰ID:KSI1) ........ePS-attach-type(EPS Attach類型） ----0--- ..........spare:0x0 (0) -----.ePS-attach-type-value:combined-attach (2)(EPS Attach類型：聯(lián)合附著） 3> 0B 00001011 L ........old-GUTI-or-IMSI（終端舊GUTI或IMSI) 4> F6 -----110 ..........type-of-identity:guti (6)(終端ID:GUTI) ........odd-or-even-indic:even-number-and-also-when-the-EPS-Mobile-Identity-is-used (0) （奇偶指示：EPS 終端標(biāo)識-偶數(shù)） 1111---- ..........spare:0xf (15) ..........guti-body（GUTI） 7> ............mcc-mnc:0x64f000 (6615040)（MNC:460 00) 9> ...........mME-Group-ID:0x163 (355)(MME組ID:355) 10> ........mME-Code:0x66 (102)(MME編碼:102） 14> ...........mTMSI:0xde557c7e (3730144382)（終端mTSI:3730144382) 15> 07 00000111 L ........ue-network-capability(UE支持的網(wǎng)絡(luò)能力） 16> F0 1------- .......eEA0:supported (1)（4G加密算法：eEA0支持） -1------ ..........eEA1:supported (1)（4G加密算法：eEA1支持） --1----- ..........eEA2:supported (1)（4G加密算法：eEA2支持） ---1---- ..........eEA3:supported (1)（4G加密算法：eEA3支持） ----0--- ..........eEA4:not-supported (0)（4G加密算法：eEA4不支持） -----0-- ..........eEA5:not-supported (0) ------0- ..........eEA6:not-supported (0) -------0 ..........eEA7:not-supported (0) 17> F0 1------- ..........eIA0:supported (1)（4G完保算法：eIA0支持） -1------ ..........eIA1:supported (1)（4G完保算法：eIA1支持） --1----- ..........eIA2:supported (1)（4G完保算法：eIA2支持） ---1---- ..........eIA3:supported (1)（4G完保算法：eIA3支持） ----0--- ..........eIA4:not-supported (0)（4G完保算法：eIA4不支持） -----0-- ..........eIA5:not-supported (0) ------0- ..........eIA6:not-supported (0) -------0 ..........eIA7:not-supported (0) 18> C0 1------- ..........uEA0:supported (1)（3G加密算法：uEA0支持） -1------ ..........uEA1:supported (1)（3G加密算法：uEA1支持） --0----- ..........uEA2:not-supported (0)（3G加密算法：uEA2不支持） ---0---- ..........uEA3:not-supported (0) ----0--- ..........uEA4:not-supported (0) -----0-- ..........uEA5:not-supported (0) ------0- ..........uEA6:not-supported (0) -------0 ..........uEA7:not-supported (0) 19> ..........uCS2:ue-has-no-preference-between-the-use-of-the-default-alphabet-and-the-use-of-UCS2 (1) -1------ ..........uIA1:supported (1)（3G完保算法：uIA1支持） --0----- ..........uIA2:not-supported (0)（3G完保算法：uIA2不支持） ---0---- ..........uIA3:not-supported (0) ----0--- ..........uIA4:not-supported (0) -----0-- ..........uIA5:not-supported (0) ------0- ..........uIA6:not-supported (0) -------0 ..........uIA7:not-supported (0) 20> 01 00------ ..........spare2:0x0 (0) --0----- ..........h245ASH:not-supported (0) ---0---- ..........aCCCSFB:not-supported (0) ----0--- ..........lPP:not-supported (0) -----0-- ..........lCS:not-supported (0) ------0- .sRVCC:srvcc-from-E-UTRAN-to-cdma-not-supported (0)（SRVCC到CDMA不支持） -------1 ..........nF:notification-procedure-supported (1) 21> ..........ePCO:extended-protocol-configuration-options-not-supported (0) -0000000 ..........spare7:0x0 (0) 22> 10 00------ ..........spare5:0x0 (0) --0----- ..........n1MODE:n1-mode-not-supported (0)（5G中N1模式：不支持） ---1---- ..........dCNR:dual-connectivity-with-nr-supported (1)（ENDC雙鏈接：支持） ----0000 ..........spare4:0x0 (0) 24> ........eSM-message-container 25> 02 ----0010 T ..........no-security-protection-SM-message 0000---- ............ePS-bearer-identity:0x0 (0) 26> 01 00000001 ............procedure-transaction-identity:0x1 (1) ............msg-body ..............msg-body 27> ................pDNConnectivityRequest（PDN連接請求） ..................pDN-type（PDN類型） 28> 31 0------- ....................spare:0x0 (0) -011---- ....................pDN-type-value:iPv4v6 (3)（PDN類型：IPv4v6) ..................request-type(Attach類型） ----0--- ....................spare:0x0 (0) ----......request-type-value:initial-request (1)(Attach類型：初始注冊請求） 30> .................protocol-configuration-options 31> 80 1------- ....................ext:0x1 (1) -----000 ....................configuration-protocol:pPP-for-use-with-IP-PDP-type (0) ....................protocol-list-package ......................Protocol-list-Ue2Net ........................PCOItem-Ue2Net 33> 21 00100001 ..........................potocol-id-ue2net:ipcp (32801) ..........................potocol-id-content-ue2net 34> .........................ipcp（ＩＰ配置） ..............................ipcpmsg 35> ................................configure-request 36> 01 00000001 ..................................id:0x1 (1) 44> 00 00000000 ...............................primary-dns-address:00 00 00 00 （首個ＤＮＳ地址） 50> 00 00000000..........................secondary-dns-address:00 00 00 00 （其次ＤＮＳ地址） ........................PCOItem-Ue2Net 52> 03 00000011 ..........................potocol-id-ue2net:dns-server-ipv6-address-request (3) ..........................potocol-id-content-ue2net 53> ............................dns-server-ipv6-address-request:NULL ........................PCOItem-Ue2Net 55> ..........................potocol-id-ue2net:ip-address-allocation-via-nas-signalling (10) ..........................potocol-id-content-ue2net 56> ............................ip-address-allocation-via-nas-signalling:NULL ........................PCOItem-Ue2Net 58> 02 00000010 ..........................potocol-id-ue2net:im-cn-subsystem-signaling-flag (2) ..........................potocol-id-content-ue2net 59> ..........................im-cn-subsystem-signaling-flag:NULL ........................PCOItem-Ue2Net 61> 0C 00001100 ..........................potocol-id-ue2net:p-cscf-ipv4-address-request (12) ..........................potocol-id-content-ue2net 62> .................p-cscf-ipv4-address-request:NULL（Ｐ－ＣＳＣＦ地址請求） ........................PCOItem-Ue2Net 64> 01 00000001 ..........................potocol-id-ue2net:p-cscf-ipv6-address-request (1) ..........................potocol-id-content-ue2net 65> ............................p-cscf-ipv6-address-request:NULL（Ｐ－ＣＳＣＦ ＩＰ?。郑兜刂氛埱?/strong>） ........................PCOItem-Ue2Net 67> 0D 00001101 ..........................potocol-id-ue2net:dns-server-ipv4-address-request (13) ..........................potocol-id-content-ue2net 68> ..........................dns-server-ipv4-address-request:NULL（ＤＮＳ服務(wù)器ＩＰＶ４地址請求） 69> 52 01010010 T ........last-visited-registered-TAI（最后訪問注冊的ＴＡＩ） 72> 00 00000000 ..........mcc-mnc:0x64f000 (6615040) 74> F7 11110111 ..........tac:0x47f7 (18423) 75> 5C 01011100 T ........dRX-parameter 76> 20 00100000 ..........sPLIT-PG-CYCLE-CODE:0x20 (32) 77> 00 0000---- ..........cN-Specific-DRX-cycle-length-coefficient:cN-Specific-DRX-cycle-length-coefficient-not-specified-by-the-MS (0) ..........sPLIT-on-CCCH:split-pg-cycle-on-CCCH-is-not-supported-by-the-mobile-station (0) -----000 ..........non-DRX-timer:no (0) 78> 31 00110001 T 79> 04 00000100 L ........mS-network-capability 80> E5 1------- ..........gEA1:available (1) -1------ ..........sM-capabilities-via-dedicated-channels:supported (1) --1----- ..........sM-capabilities-via-GPRS-channels:supported (1) ---0---- ..........uCS2:ue-has-a-preference-for-the-default-alphabet (0) ----01-- ..........sS-Screening-Indicator:defined2-in-3GPP-TS-24080 (1) ------0- ..........soLSA-Capability:not-supported (0) -------1 ..........revision-level-indicator:supporting-R99-or-later-versions-of-the-protoco (1) 81> 60 0------- ..........pFC:not-supported (0) -1------ ..........gEA2:available (1) --1----- ..........gEA3:available (1) ---0---- ..........gEA4:not-available (0) ----0--- ..........gEA5:not-available (0) -----0-- ..........gEA6:not-available (0) ------0- ..........gEA7:not-available (0) -------0 ..........lCS-VA-capability:not-supported (0) 82> ..........pS-inter-RAT-HO-from-GERAN-to-UTRAN-Iu-mode-capability:not-supported (0) ..........pS-inter-RAT-HO-from-GERAN-to-E-UTRAN-S1-mode-capability:not-supported (0) --1----- ..........eMM-Combined-procedures-capability:supported (1) ---1---- ..........iSR-support:supported (1) ----1--- ..........sRVCC-to-GERAN-UTRAN-capability:supported (1) -----1-- ..........ePC-capability:supported (1) ------0- ..........nF-capability:notification-procedure-not-supported (0) .........gERAN-network-sharing-capability:mobile-station-does-not-support-geran-network-sharing (0) 83> ..........user-plane-interity-protection-support:the-mobile-station-does-not-support-user-plane-interity-protection (0) -0------ ..........gIA-4:interity-algorithm-gia4-not-available (0) --0----- ..........gIA-5:interity-algorithm-gia5-not-available (0) ---0---- ..........gIA-6:interity-algorithm-gia6-not-available (0) ----0--- ..........gIA-7:interity-algorithm-gia7-not-available (0) -----0-- ..........ePCO-IE-indicator:used-by-a-mobile-station-not-supporting-extend-protocol-configuration-option-ie (0) ------0- ..........restriction-on-use-of-enhanced-coverage-capability:mobile-station-does-not-support-restriction-on-use-of-enhanced-coverage (0) -------1 ..........dual-connectivity-of-eutra-with-nr-capability:mobile-station-support-dual-connectivity-of-eutran-with-nr (1) 84> 13 00010011 T ........old-LAI 87> 00 00000000 ..........mcc-mnc:0x64f000 (6615040) 89> F7 11110111 ..........lac:0x47f7 (18423) 91> ........mobile-station-classmark2 92> 57 0------- ..........spare1:0x0 (0) -10----- ..........revision-level:used-by-mobile-stations-supporting-R99-or-later-versions-of-the-protocol (2) ---1---- ..........eS-IND:option-is-implemented-in-the-MS (1) ----0--- ..........a5or1:encryption-algorithm-A5or1-available (0) -----111 ..........rF-power-capability:reserved (7) 93> 58 0------- ..........spare2:0x0 (0) -1------ ..........pS-capa:pS-capability-present (1) --01---- ..........sS-Screen-Indicator:defined2-in-3GPP-TS-24080 (1) ----1--- ..........sM-ca-pabi:supported (1) -----0-- ..........vBS:no-VBS-capability-or-no-notifications-wanted (0) ------0- ..........vGCS:no-VGCS-capability-or-no-notifications-wanted (0) -------0 ..........fC:not-supported (0) 94> 82 1------- ..........cM3:supported (1) -0------ ..........spare3:0x0 (0) --0----- ..........lCSVA-CAP:not-supported (0) ---0---- ..........uCS2:the-ME-has-a-preference-for-the-default-alphabet (0) ----0--- ..........soLSA:not-supported (0) -----0-- ..........cMSP:not-supported (0) ------1- ..........a5or3:encryption-algorithm-A5or3-available (1) -------0 ..........a5or2:encryption-algorithm-A5or2-not-available (0) 107> 00 00000000 ........mobile-station-classmark3:60 14 00 52 30 20 02 43 C0 00 00 109> 08 00001000 L ........supported-Codecs ..........Supported-Codec 110> 04 00000100 ............bitmapSysId:0x4 (4) 111> ............codec-Bitmap-Contents 112> 60 01100000 ..............codec-Bitmap-for-SysID1-bits-1-to-8:0x60 (96) 113> 04 00000100 ..............codec-Bitmap-for-SysID1-bits-9-to-16:0x4 (4) ..........Supported-Codec 114> 00 00000000 ............bitmapSysId:0x0 (0) 115> ............codec-Bitmap-Contents 116> 1F 00011111 ..............codec-Bitmap-for-SysID1-bits-1-to-8:0x1f (31) 117> 00 00000000 ..............codec-Bitmap-for-SysID1-bits-9-to-16:0x0 (0) 119> 01 ........voice-domain-preference-and-ues-usage-setting（語音域使用設(shè)置） 120> 03 00000--- ..........spare:0x0 (0) -----0-- ..........ues-usage-setting:voice-centric (0)（終端設(shè)置：語音中心－否） ..........voice-domain-preference-for-E-UTRAN:ims-ps-voice-preferred-cs-voice-as-secondary (3) （Ｅ－ＵＴＲＡＮ語音域優(yōu)先：ＩＭＳ－ＰＳ－ＶＯＩＣＥ；ＣＳ語音其次） 121> E0 1110---- T ........old-guti-type ----000- ..........spare:0x0 (0) -------0 ..........old-guti-type-value:native-guti (0) 122> 10 00010000 T 123> 02 00000010 L ........tmsi-based-nri-container 125> C0 11------ ..........pTMSI-signature-value:0xb (11) --000000 ..........spare:0x0 (0) 127> ........additional-security-capability（其他加密能力） 128> F0 1------- ..........nrEA0:supported (1)（５Ｇ加密算法：nrEA0支持） -1------ ..........nrEA1:supported (1)（５Ｇ加密算法：nrEA１支持） --1----- ..........nrEA2:supported (1)（５Ｇ加密算法：nrEA２支持） ---1---- ..........nrEA3:supported (1)（５Ｇ加密算法：nrEA３支持） ----0--- ..........nrEA4:not-supported (0)（５Ｇ加密算法：nrEA４不支持） -----0-- ..........nrEA5:not-supported (0) ------0- ..........nrEA6:not-supported (0) -------0 ..........nrEA7:not-supported (0) 129> 00 0------- ..........nrEA8:not-supported (0) -0------ ..........nrEA9:not-supported (0) --0----- ..........nrEA10:not-supported (0) ---0---- ..........nrEA11:not-supported (0) ----0--- ..........nrEA12:not-supported (0) -----0-- ..........nrEA13:not-supported (0) ------0- ..........nrEA14:not-supported (0) -------0 ..........nrEA15:not-supported (0) 130> F0 1------- ..........nrIA0:supported (1)（５Ｇ完保算法：nrＩA0支持） -1------ ..........nrIA1:supported (1)（５Ｇ完保算法：nrＩA１支持） --1----- ..........nrIA2:supported (1)（５Ｇ完保算法：nrＩA２支持） ---1---- ..........nrIA3:supported (1)（５Ｇ完保算法：nrＩA３支持） ----0--- ..........nrIA4:not-supported (0)（５Ｇ完保算法：nrＩA４不支持） -----0-- ..........nrIA5:not-supported (0) ------0- ..........nrIA6:not-supported (0) -------0 ..........nrIA7:not-supported (0) 131> 00 0------- ..........nrIA8:not-supported (0) -0------ ..........nrIA9:not-supported (0) --0----- ..........nrIA10:not-supported (0) ---0---- ..........nrIA11:not-supported (0) ----0--- ..........nrIA12:not-supported (0) -----0-- ..........nrIA13:not-supported (0) ------0- ..........nrIA14:not-supported (0) -------0 ..........nrIA15:not-supported (0) 3.２Attach Ａccept是網(wǎng)絡(luò)接受終端附著回復(fù)的消息 在Attach Ａccept中網(wǎng)絡(luò)回復(fù)了對終端性能的具體支持內(nèi)容
圖３． Attach Ａccept消息 MsgEnter 0> 07 00000111 T ..no-security-protection-MM-message ....msg-body 1> 42 01000010 T ......attachAccept 2> 02 0000---- ........spare-half-octet:0x0 (0) ----0010 ........ePS-attach-result:combined-EPS-attach (2)（ＥＰＳ注冊結(jié)果：聯(lián)合注冊） ........t3412-value（Ｔ３４１２周期注冊值） 3> 49 010 ..........unit:value-is-incremented-in-multiples-of-decihours (2)（單位：１／６小時） ---01001 ..........timer-value:0x9 (9)（Ｔ３４１２＝９＝９＊６＝５４分鐘） 4> 06 00000110 L ........tAI-list ..........Partial-tracking-area-identity-list-type 5> 40 0------- ............spare:0x0 (0) -10----- ............type-of-list:list-of-TAIs-belonging-to-different-PLMNs (2) ---00000 ............number-of-elements:0x0 (0) ............partial-tracking-area-identity-list3 ..............tAC-and-mcc-mnc 8> 00 00000000 ................mcc-mnc:0x64f000 (6615040) 10> F7 11110111 ................tac:0x47f7 (18423) ..............other-tAC-and-mcc-mnc 12> 90 10010000 L ........eSM-message-container 13> 52 ----0010 T ..........no-security-protection-SM-message 0101---- ............ePS-bearer-identity:0x5 (5) 14> 01 00000001 ............procedure-transaction-identity:0x1 (1) ............msg-body ..............msg-body 15> C1 11000001 T ................activateDefaultEPSBearerContextRequest（默認(rèn)承載激活請求） 16> 01 00000001 L ..................ePS-QoS 17> 09 00001001 ....................qCI:0x9 (9)（ＱＣＩ：９） 18> 19 00011001 L ..................access-point-name（接入點名稱） 24> 74 01110100 ....................CHARACTER-STRING:cmnet 31> 37 00110111 ....................CHARACTER-STRING:MNC007 38> 30 00110000 ....................CHARACTER-STRING:MCC460 43> 53 01010011 ....................CHARACTER-STRING:GPRS 44> 0D 00001101 L ..................pDN-address（ＰＤＮ地址） 45> 03 00000--- ....................spare:0x0 (0) -----011 ....................pDN-type-value:iPv4v6 (3)（ＰＤＮ地址值：ＩＰｖ４ｖ６） 57> 2C 00101100 ....................address-information:00 01 00 02 E7 2B 63 A5 0A 13 2B 2C 59> 01 00000001 L ..................transaction-idnetifier 60> 00 0------- ....................ti-flag:0x0 (0) -000---- ....................ti-value:0x0 (0) ----0000 ....................spare:0x0 (0) 62> 10 00010000 L ..................negotiated-QoS 63> 23 00------ ....................spare:0x0 (0) --100--- ....................delay-class:delay-class4-best-effort (4) ....................reliability-class:unacknowledged-GTP-LLC-Acknowledged-RLC-Protected-data (3) 64> 92 1001---- ....................peak-throughput:upto256000 (9)（峰值速率：最高２５６０００） ----0--- ....................spare1:0x0 (0) -----010 ....................precedence-class:normal-priority (2) 65> 1F 000----- ....................spare2:0x0 (0) ---11111 ....................mean-throughput:best-effort (31) 66> 91 100----- ....................traffic-Class:background-class (4) ---10--- ....................delivery-order:without-delivery-order (2) -----001 ....................delivery-of-erroneous-SDU:no-detect (1) 67> 96 10010110 ....................maximum-SDU-size:maximum-SDU-size-1500Bytes (150) 68> FE 11111110 ....................maximum-bit-rate-for-uplink:maximum-8640kbps (254) 69> FE 11111110 ....................maximum-bit-rate-for-downlink:maximum-8640kbps (254) 70> 74 0111---- ....................residual-BER:rber15 (7) ----0100 ....................sDU-error-ratio:error-ratio14 (4) 71> 4B 010010-- ....................transfer-delay:delay-300ms (18) ------11 ....................traffic-Handling-priority:priority-level3 (3) 72> FF 11111111 ....................guaranteed-bit-rate-for-uplink:guaranteed-bit-rate-0kbps (255) 73> FF 11111111 ....................guaranteed-bit-rate-for-downlink:guaranteed-bit-rate-0kbps (255) 74> 00 000----- ....................spare3:0x0 (0) ---0---- ....................signal-ling-Indicat-ion:not-optimised-for-signalling-traffic (0) ----0000 ....................source-Statistics-Descriptor:unknown (0) 75> FA 11111010 ....................maximum-bit-rate-for-downlink-ext1:maximum-256000kbps (250) 76> 00 ....................guaranteed-bit-rate-for-downlink-ext1:subscribed-guaranteed-bit-rate (0) 77> FA 11111010 ....................maximum-bit-rate-for-uplink-ext2:maximum-256000kbps (250) 78> 00 ....................guaranteed-bit-rate-for-uplink-ext2:subscribed-guaranteed-bit-rate (0) 79> 32 ..................negotiated-LLC-SAPI 80> 03 0000---- ....................spare:0x0 (0) ----0011 ....................lLC-SAPI-value:sAPI3 (3) 81> 82 ..................radio-priority ----0--- ....................spare:0x0 (0) -----010 ....................radio-priority-level-value:priority-level2 (2) 83> ..................aPN-AMBR（ＡＰＮ聚合速率 ） 84> FE 11111110 ....................aPN-AMBR-for-downlink:0xfe (254) 85> FE 11111110 ....................aPN-AMBR-for-uplink:0xfe (254) 86> E2 11100010 ....................aPN-AMBR-for-downlink-extended:0xe2 (226) 87> E2 11100010 ....................aPN-AMBR-for-uplink-extended:0xe2 (226) 88> 07 00000111 ....................aPN-AMBR-for-downlink-extended2:0x7 (7) 89> 07 00000111 ....................aPN-AMBR-for-uplink-extended2:0x7 (7) 90> 27 00100111 T 91> 41 ................protocol-configuration-options 92> 80 1------- ....................ext:0x1 (1) -0000--- ....................spare:0x0 (0) -----000 ....................configuration-protocol:pPP-for-use-with-IP-PDP-type (0) ....................protocol-list-package ......................Protocol-list-Net2Ue ........................PCOItem-Net2Ue 94> 21 00100001 ..........................potocol-ID-Net2Ue:ipcp (32801) ..........................potocol-ID-Content-Net2Ue 95> 10 00010..........................ipcp ..............................ipcpmsg 96> 03 00000011 T........................configure-nak 97> 01 00000001 ..................................id:0x1 (1) 99> 10 ...............................options 105> FE 11111110 ....................................primary-dns-address:D3 8A 5B FE 111> FD 11111101 ....................................secondary-dns-address:D3 8A 5B FD ........................PCOItem-Net2Ue 113> 0D 00001101 ..........................potocol-ID-Net2Ue:dns-server-ipv4-address (13) ..........................potocol-ID-Content-Net2Ue 114> 04 ...........................dns-server-ipv4-address 118> FE 11111110 ..............................ipv4-addr:D3 8A 5B FE ........................PCOItem-Net2Ue 120> 03 00000011 ..........................potocol-ID-Net2Ue:dns-server-address (3) ..........................potocol-ID-Content-Net2Ue 121> ............................dns-server-address 137> 53 01010011 ..............................ipv6-dns-server-addr:24 09 80 10 20 00 00 00 00 00 00 00 00 00 02 53 ........................PCOItem-Net2Ue 139> 03 00000011 ..........................potocol-ID-Net2Ue:dns-server-address (3) ..........................potocol-ID-Content-Net2Ue 140> ............................dns-server-address 156> 54 01010100 ..............................ipv6-dns-server-addr:24 09 80 10 20 00 00 00 00 00 00 00 00 00 02 54 158> 0B 00001011 L ........gUTI 159> F6 -----110 ..........type-of-identity:guti (6) ..........odd-or-even-indic:even-number-and-also-when-the-EPS-Mobile-Identity-is-used (0) 1111---- ..........spare:0xf (15) ..........guti-body 162> 00 00000000 ............mcc-mnc:0x64f000 (6615040) 164> 63 01100011 ............mME-Group-ID:0x163 (355) 165> 66 01100110 ............mME-Code:0x66 (102) 169> C0 11000000 ............mTMSI:0xde9005c0 (3733980608) 173> 00 00000000 ..........mcc-mnc:0x64f000 (6615040) 175> F7 11110111 ..........lac:0x47f7 (18423) 177> 05 00000101 L ........mS-identity 178> F4 -----100 ..........type-of-identity:tMSI-or-PTMSI (4) ..........odd-or-even-indic:even-number-of-identity-digits-and-also-when-the-EPS-Mobile-Identity-is-used (0) 1111---- ..........spare:0xf (15) 182> AD 10101101 ..........tmsi:91 6E 1F AD 184> 01 ........eps-network-feature-support 185> 01 0------- ..........spare:0x0 (0) -0------ ..........erwo-pdn:emm-registered-without-pdn-connection-not-supported (0) --0----- ..........esr-ps:network-does-not-supported-use-of-extended-service-request-to-request-for-packet-service (0) ..........cs-lcs:no-information-about-support-of-location-services-via-cs-domain-is-available (0) -----0-- ..........epc-lcs:location-services-via-epc-not-supported (0) ------0- ..........emc-bs:emergency-bearer-services-in-s1-mode-not-supported (0) -------1 ..........ims-vops:supported (1) 3.３AttachComplete是終端回復(fù)網(wǎng)絡(luò)注冊完成消息
圖４.AttachComplete消息 MsgEnter 0> 07 00000111 T ..no-security-protection-MM-message ....msg-body 1> 43 01000011 T ......attachComplete 3> 03 00000011 L ........eSM-message-container 4> 52 ----0010 T ..........no-security-protection-SM-message 0101---- ............ePS-bearer-identity:0x5 (5) 5> 00 00000000 ............procedure-transaction-identity:0x0 (0) ............msg-body ..............msg-body 6> C2 11000010 T ................activateDefaultEPSBearerContextAccept（默認(rèn)承載激活上下文接受）
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圖1.4G終端Attach流程
