5G UE閰嶇疆鏇存柊锛圲E Configuration Update锛変俊浠ゆ祦涓庡垏鐗囧彉鏇存満鍒舵繁搴︽媶瑙�

鍦�5G鏍稿績缃戠殑娴烽噺淇′护涓紝鏈変竴鏉℃祦绋嬮暱鏈熻鍗忚鏂版墜蹇借銆佸嵈鎵挎媴鐫�"缃戠粶涓诲姩涓嬪彂"鑱岃矗鐨凬AS杩囩▼鈥斺��UE Configuration Update锛圲CU锛孶E閰嶇疆鏇存柊锛�銆傚畠涓嶅儚娉ㄥ唽銆丳DU浼氳瘽寤虹珛閭ｆ牱鏈夋樉寮忕殑鐢ㄦ埛闈㈡垨閴存潈鍔ㄤ綔锛屼絾鍗存壙鎷呬簡5G-GUTI閲嶅垎閰嶃�佹湇鍔″尯闄愬埗銆丮ICO妯″紡鍒囨崲銆佷互鍙婃渶鍏抽敭鐨�缃戠粶鍒囩墖锛圢SSAI锛夊姩鎬佸彉鏇�銆傛湰鏂囪仛鐒� 3GPP TS 23.502 Section 4.2.4 涓� TS 24.501 Section 5.5.2锛岄�愭秷鎭�侀�怚E鎷嗚В纭/闈炵‘璁ゅ弻妯″紡锛屽苟閲嶇偣鍓栨瀽Configured NSSAI 鍙樻洿寮曞彂鐨凱DU浼氳瘽鏈湴閲婃斁涓庡啀娉ㄥ唽杩欎竴宸ョ▼涓渶鏄撹俯鍧戠殑鏈哄埗銆�

涓�銆佽鑼冨畾浣嶄笌璁捐鎰忓浘

UCU瀹氫箟浜� TS 23.502 4.2.4.1锛圙eneral锛� 涓� 4.2.4.2锛圲E Configuration Update procedure锛�锛屽搴旂殑NAS缂栬В鐮佸湪 TS 24.501 5.5.2銆傚畠鏄竴涓�缃戠粶渚э紙AMF锛夊彂璧�鐨勮繃绋嬶紝鍙湪浠绘剰鏃跺埢銆佸彧瑕乁E澶勪簬5GMM-REGISTERED鐘舵�佹椂鎵ц銆傝鑼冩槑纭紝UE Configuration 鍖呮嫭涓夌被鍙傛暟锛�

1. AM鐩稿叧鍙傛暟锛�5G-GUTI銆乀AI List锛圫ervice Area List锛夈�丄llowed NSSAI銆丆onfigured NSSAI銆丷ejected S-NSSAI銆丮ICO mode銆丩ADN淇℃伅绛夛紱
2. SMF鐩稿叧鐨勪細璇濆弬鏁�锛堥�氳繃UE Configuration Update Command閫忎紶缁欏凡鏈塒DU session锛孯el-16澧炲己锛夛紱
3. SMS鐩稿叧鍙傛暟锛歋MS鏀寔鎸囩ず銆�

璁捐鎰忓浘锛氭敞鍐屾祦绋嬫槸UE鍙戣捣鐨�"璇锋眰-鍝嶅簲"锛屼絾缃戠粶杩愯涓闃呮暟鎹細鍔ㄦ�佸彉鍖栵紙濡傜敤鎴锋敼濂楅銆佸垏鐗嘢LA鍙樻洿銆佽繍钀ュ晢璋冩暣Configured NSSAI锛夈�俇CU鎻愪緵浜嗕竴鏉�杞婚噺绾с�佸甫鍙�夌‘璁�鐨勪笅琛岄�氶亾锛岄伩鍏嶆瘡娆″彉鏇撮兘寮哄埗UE閲嶆柊鍙戣捣瀹屾暣娉ㄥ唽銆傝繖鏄�5G鐩告瘮EPS锛圗PS涓彧鏈塗3440鐨凜ONFIGURATION UPDATE COMMAND锛夌殑鍏抽敭婕旇繘鈥斺��鎶婂垏鐗囦綔涓轰竴绛夊叕姘戠撼鍏ラ厤缃洿鏂�銆�

UCU鐨勫父瑙佽Е鍙戞簮鍖呮嫭锛� - UDM璁㈤槄鏁版嵁鍙樻洿锛歎DM閫氳繃 `Nudm_SDM_Notification锛坉ata change锛塦 閫氱煡AMF锛孉MF鎹鏇存柊Allowed/Configured NSSAI锛� - AMF鏈湴绛栫暐锛氬5G-GUTI鍛ㄦ湡鎬ч噸鍒嗛厤銆佽繃杞芥椂缂╁皬Service Area锛� - NSSAI绛栫暐鍙樻洿锛氳繍钀ュ晢涓嬪彂鏂扮殑Configured NSSAI锛� - NSSF/PCF瑙﹀彂锛氬垏鐗囬�夋嫨缁撴灉鍙樺寲銆�

浜屻�佺‘璁ゆā寮忓畬鏁翠俊浠ゆ椂搴�

UCU鍒嗕负纭妯″紡锛圓cknowledgement mode锛孴S 24.501 5.5.2.2锛� 涓� 闈炵‘璁ゆā寮忥紙5.5.2.3锛�銆傚綋AMF闇�瑕佺‘淇漊E宸叉敹鍒板苟搴旂敤鏂伴厤缃紙灏ゅ叾鏄疌onfigured/Allowed NSSAI鍙樻洿锛夋椂锛屼娇鐢ㄧ‘璁ゆā寮忥紝鐢� T3555 瀹堟姢銆�

sequenceDiagram
    autonumber
    participant UDM
    participant AMF
    participant gNB
    participant UE

    Note over UDM,AMF: 瑙﹀彂锛氳闃呮暟鎹�/鍒囩墖绛栫暐鍙樻洿
    UDM->>AMF: Nudm_SDM_Notification (data change: 鏂癆llowed/Configured NSSAI)
    AMF->>AMF: 鍐崇瓥鏇存柊 + 鏋勯�燙onfiguration Update Command<br/>缃� "acknowledgement request" = ack
    AMF->>gNB: NGAP Downlink NAS Transport<br/>(NAS: CONFIGURATION UPDATE COMMAND)
    Note right of AMF: 鍚姩 T3555 (榛樿16s)
    gNB->>UE: RRC DL Information Transfer<br/>(NAS: CONFIGURATION UPDATE COMMAND)
    UE->>UE: 澶勭悊NSSAI/5G-GUTI/Service Area<br/>蹇呰鏃舵湰鍦伴噴鏀綪DU浼氳瘽
    UE->>gNB: RRC UL Information Transfer<br/>(NAS: CONFIGURATION UPDATE COMPLETE)
    gNB->>AMF: NGAP Uplink NAS Transport<br/>(NAS: CONFIGURATION UPDATE COMPLETE)
    Note right of AMF: 鍋滄 T3555锛屾祦绋嬪畬鎴�
    opt 鏂板垏鐗囬渶婵�娲�
        UE->>gNB: 鍙戣捣 Registration Request<br/>(鍩轰簬鏂癈onfigured NSSAI鐨凴equested NSSAI)
        gNB->>AMF: NGAP Initial UE Message
    end

鍏抽敭娑堟伅涓嶪E瑙ｆ瀽

鈶� CONFIGURATION UPDATE COMMAND锛堜笅琛岋紝TS 24.501 9.x锛�

鈶� CONFIGURATION UPDATE COMPLETE锛堜笂琛岋級

浠呭綋 Configuration Update Indication 鐨� ack 浣嶇疆浣嶆椂锛孶E鎵嶅洖閫佹娑堟伅锛屾秷鎭綋鍑犱箮涓虹┖锛堜粎鍗忚澶翠笌娑堟伅绫诲瀷锛夛紝鏄竴涓函ACK璇箟銆�

搴曞眰鎵胯浇閾捐矾锛欰MF 鈫� N2锛圢GAP Downlink NAS Transport锛孴S 38.413锛� 鈫� gNB 鈫� Uu锛圧RC DLInformationTransfer锛孴S 38.331锛� 鈫� UE銆備笂琛屽悓鐞嗙粡 Uplink NAS Transport / ULInformationTransfer銆傝繖鎰忓懗鐫�UCU瑕佹眰UE澶勪簬 CM-CONNECTED锛涜嫢UE澶勪簬CM-IDLE锛孉MF闇�鍏堟墽琛岀綉缁滆Е鍙戠殑鏈嶅姟璇锋眰锛圥aging鈫扴ervice Request锛夋垨绛塙E涓嬫杩涘叆杩炴帴鎬併��

涓夈�佺‘璁ゆā寮� vs 闈炵‘璁ゆā寮�

flowchart LR
    A[AMF鍐崇瓥鏇存柊閰嶇疆] --> B{闇�UE纭?}
    B -- 鏄� --> C[缃� acknowledgement request=ack]
    C --> D[涓嬪彂 COMMAND]
    D --> E[鍚姩 T3555 瀹堟姢]
    E --> F{瓒呮椂鍐呮敹鍒癈OMPLETE?}
    F -- 鏄� --> G[鉁� 娴佺▼瀹屾垚]
    F -- 鍚� --> H[閲嶄紶, 鏈�澶�4娆
    H --> I{浠嶆湁鍝嶅簲?}
    I -- 鍚� --> J[鉂� 鏀惧純/杞珹bort]
    B -- 鍚� --> K[闈炵‘璁ゆā寮廬
    K --> L[涓嬪彂 COMMAND 鍚庡嵆瀹屾垚]
    L --> M[涓嶆湡寰� COMPLETE]
    style C fill:#ffe4b5
    style K fill:#b5ffe4

T3555 宸ョ▼瑕佺偣锛歍3555鍦ˋMF鍙戦�佸甫ack璇锋眰鐨凜OMMAND鏃跺惎鍔紝鏀跺埌COMPLETE鍚庡仠姝紱瓒呮椂鍒欓噸浼燙OMMAND銆傝秴杩囨渶澶ч噸浼犳鏁帮紙n3xx鏃忥紝濡傞粯璁�4娆★級鍚庯紝AMF璁や负UE涓嶅彲杈撅紝鍙兘瑙﹀彂闅愬紡鍘绘敞鍐屾垨鏈湴Abort銆侰isco UCC AMF鏂囨。鏄庣‘鎻忚堪锛�"T3555 starts with the transmission of Configuration Update Command message with an acknowledgment request"銆�

鍥涖�佹牳蹇冮毦鐐癸細Configured NSSAI 鍙樻洿鐨勭骇鑱斿鐞�

杩欐槸UCU涓渶瀹规槗琚瀹炵幇銆佷篃鏈�鏄撳紩鍙�"鍒囩墖涓嶅彲鐢�"宸ュ崟鐨勬満鍒躲�傝鑼冨湪 TS 23.502 4.2.4.2 瀵笴onfigured NSSAI鐨勫彉鏇村畾涔変簡涓ユ牸鐨勭骇鑱斿姩浣溿��

Configured NSSAI 鍙樻洿鐘舵�佹満

stateDiagram-v2
    [*] --> 鐜版湁NSSAI鏈夋晥
    鐜版湁NSSAI鏈夋晥 --> 鏀跺埌鏂癈onfigured NSSAI: COMMAND鍚獵onfigured NSSAI
    鏀跺埌鏂癈onfigured NSSAI --> 鍒ゆ柇Allowed浜ら泦: 鏇存柊鏈湴Configured NSSAI
    鍒ゆ柇Allowed浜ら泦 --> 瀛樺湪PDU浼氳瘽涓嶅湪鏂癈onfigured涓�: 鏄�
    鍒ゆ柇Allowed浜ら泦 --> 鏃犲彈褰卞搷浼氳瘽: 鍚�
    瀛樺湪PDU浼氳瘽涓嶅湪鏂癈onfigured涓� --> 鏈湴閲婃斁PDU浼氳瘽: 閫氱煡缃戠粶閲婃斁
    鏈湴閲婃斁PDU浼氳瘽 --> 鏍囪鏂板垏鐗囦笉鍙敤
    鏃犲彈褰卞搷浼氳瘽 --> 绛夊緟
    鏍囪鏂板垏鐗囦笉鍙敤 --> 鍙戣捣鍐嶆敞鍐�: 鎼哄甫鏂癈onfigured NSSAI鐨凴equested NSSAI
    鍙戣捣鍐嶆敞鍐� --> 鏂板垏鐗囨縺娲�: 鑾峰緱鏂癆llowed NSSAI
    鏂板垏鐗囨縺娲� --> [*]
    绛夊緟 --> [*]

鍏抽敭瑙勫垯閫愭潯瑙ｈ

瑙勫垯1锛圥DU浼氳瘽寮哄埗閲婃斁锛�锛氳嫢COMMAND鎼哄甫鏂癈onfigured NSSAI锛屼笖璇SSAI涓嶅啀鍖呭惈褰撳墠Allowed NSSAI涓殑鏌愪簺S-NSSAI锛岃�孶E鍦ㄨ繖浜汼-NSSAI涓婂缓鏈塒DU浼氳瘽锛屽垯UE蹇呴』鏈湴閲婃斁杩欎簺PDU浼氳瘽锛屽苟璇锋眰缃戠粶渚ч噴鏀惧搴斾細璇濄�傝繖鏄�"鍒囩墖璁㈤槄闄嶇骇"鍦烘櫙涓嬫暟鎹潰鍗虫椂鍒囨柇鐨勪緷鎹��

瑙勫垯2锛堟柊鍒囩墖寤惰繜鐢熸晥锛�锛氭柊Configured NSSAI涓偅浜�鏈鍖呭惈鍦紙鏂帮級Allowed NSSAI鎴栵紙閮ㄥ垎锛堿llowed NSSAI涓殑S-NSSAI锛孶E涓嶅緱瑙嗕负鍙敤锛岀洿鍒癠E鎵ц涓�娆″寘鍚�"鍩轰簬鏂癈onfigured NSSAI鐨凴equested NSSAI"鐨勬敞鍐屾祦绋�銆傝繖姝ｆ槸涓婂浘"鍙戣捣鍐嶆敞鍐�"鍒嗘敮鈥斺�旇澶氱粓绔湪鏀跺埌COMMAND鍚庝富鍔ㄨЕ鍙慚obility Registration Update浠ユ縺娲绘柊鍒囩墖銆�

瑙勫垯3锛圓llowed NSSAI鏀剁獎锛�锛氬綋Allowed NSSAI鏀剁獎瀵艰嚧宸叉湁PDU浼氳瘽鐨凷-NSSAI琚Щ闄ゆ椂锛屽悓鏍疯Е鍙戜細璇濋噴鏀俱��

璁捐鍝插锛欳onfigured NSSAI鏄繍钀ュ晢瑙嗚鐨�"璁㈤槄鍒囩墖鍏ㄩ泦"锛孉llowed NSSAI鏄綋鍓嶆敞鍐屽尯鍐呯殑"瀹為檯鍙敤瀛愰泦"銆俇CU鍙礋璐ｄ笅鍙戝叏闆嗭紱瑕佽鏌愪釜鏂板垏鐗囩湡姝ｈ繘鍏llowed骞舵壙杞芥祦閲忥紝蹇呴』缁忕敱娉ㄥ唽娴佺▼锛堣NSSF閲嶆柊鍋氬垏鐗囬�夋嫨鏄犲皠锛夈�傝繖灏辨槸涓轰粈涔圲CU寰�寰�"鍓嶇紑"浜庝竴娆″啀娉ㄥ唽銆�

浜斻�佽Е鍙戦摼璺叏鏅細浠嶶DM鍒癠E

flowchart TB
    subgraph 瑙﹀彂婧�
        U1[UDM 璁㈤槄鏁版嵁鍙樻洿]
        U2[PCF 绛栫暐鏇存柊]
        U3[AMF 鏈湴绛栫暐/5G-GUTI閲嶅垎閰峕
    end
    subgraph AMF澶勭悊
        A1[Nudm_SDM_Notification/Npcf绛塢
        A2[璁＄畻鏂癆llowed/Configured NSSAI]
        A3[鏋勯�燙OMMAND + 缃產ck]
        A4[閫夋ā寮�: 纭/闈炵‘璁
    end
    subgraph 涓嬪彂閾捐矾
        N1[NGAP DL NAS Transport]
        R1[RRC DLInformationTransfer]
    end
    subgraph UE鍔ㄤ綔
        E1[鏇存柊NSSAI/鏍囪瘑/鍖哄煙]
        E2{ack璇锋眰?}
        E3[鏈湴閲婃斁鍙楀奖鍝峆DU浼氳瘽]
        E4[鍥為�丆OMPLETE]
        E5[鍙��: 鍙戣捣鍐嶆敞鍐屾縺娲绘柊鍒囩墖]
    end
    U1 --> A1
    U2 --> A1
    U3 --> A2
    A1 --> A2 --> A3 --> A4 --> N1 --> R1 --> E1
    E1 --> E3
    E1 --> E2
    E2 -- 鏄� --> E4
    E2 -- 鍚� --> E5
    E3 --> E5

鍏�佸疄鎴樿繛鎺ワ細鎶撳寘璇嗗埆涓庢帓閿�

鎶撳寘璇嗗埆锛堝熀浜嶹ireshark/TShark锛�

鍦∟GAP/NAS鑱斿悎鎶撳寘涓紝UCU鐗瑰緛濡備笅锛�

• NGAP锛歚Downlink NAS Transport娑堟伅锛屽叾InitialUEMessage/NAS-PDU` 鍐呬负NAS娑堟伅锛�
• NAS娑堟伅绫诲瀷锛歚Configuration Update Command锛堜笅琛岋紝message type = 0x54锛�/Configuration Update Complete`锛堜笂琛岋紝0x55锛夛紱
• 杩囨护琛ㄨ揪寮�锛歚nas_5gs.mm.message_type == 0x54 || nas_5gs.mm.message_type == 0x55锛屾垨鎸夊崗璁�5gs.mm.header.message_type`锛�
• 鍏抽敭鐪� Configuration Update Indication IE 鐨� acknowledgement 浣嶆槸鍚︾疆浣嶏紝浠ュ垽鏂ā寮忋��

甯歌鏁呴殰鐐逛笌鎺掗敊鎬濊矾

鍘傚晢瀹炵幇宸紓

• AMF T3555榛樿鍊�锛氬鏁板巶鍟嗘部鐢�16s锛屼絾鏈�澶ч噸浼犳鏁板拰閫�閬跨瓥鐣ュ瓨鍦ㄥ樊寮傦紙鍗庝负/涓叴/鐖辩珛淇＄殑鍙厤鍙傛暟鍚嶄笉鍚岋級锛�
• 鏄惁鍦–M-IDLE瑙﹀彂Paging锛氶儴鍒嗗巶鍟嗗疄鐜�"寤跺悗涓嬪彂"鈥斺�旂瓑UE杩涘叆CM-CONNECTED鍐嶅彂COMMAND锛岃�岄潪涓诲姩Paging锛屼互鑺傜渷瀵诲懠璧勬簮锛�
• Configured NSSAI涓嬪彂鏃舵満锛氭湁鍘傚晢鍊惧悜浜庡湪Registration Accept涓竴骞朵笅鍙戯紝鍑忓皯UCU棰戞锛涙湁鍘傚晢鐙珛閫氳繃UCU鎺ㄩ�佺瓥鐣ュ彉鏇淬��
• NSSAA锛堝垏鐗囦簩娆￠壌鏉冿級鑱斿姩锛歊el-16+涓紝鏌愪簺S-NSSAI闇�EAP閴存潈锛孶CU涓嬪彂鍚庤嫢UE鍐嶆敞鍐岋紝AMF浼氳Е鍙慛SSAA娴佺▼锛屽巶鍟嗗澶辫触鍒囩墖鐨凴ejected S-NSSAI鏍囪绛栫暐涓嶅悓銆�

涓冦�佸父瑙侀棶棰�

Q1: UE Configuration Update鍜孋onfiguration Update锛圗PS锛夋湁浠�涔堟湰璐ㄥ尯鍒紵 A: EPS鐨凜ONFIGURATION UPDATE COMMAND锛圱3440瀹堟姢锛夊彧鏇存柊绉诲姩鎬у弬鏁帮紙GUTI/TAI list锛夛紱5G UCU鎶�缃戠粶鍒囩墖锛圕onfigured/Allowed/Rejected NSSAI锛�銆丮ICO銆丩ADN绾冲叆锛屽苟鏄庣‘鍖哄垎纭/闈炵‘璁や袱绉嶆ā寮忥紝涓斿畾涔変簡Configured NSSAI鍙樻洿瀵筆DU浼氳瘽鐨勭骇鑱旈噴鏀惧姩浣溾�斺�旇繖鏄垏鐗囨椂浠ｆ墠鏈夌殑澶嶆潅搴︺��

Q2: 涓轰粈涔堟敹鍒版柊Configured NSSAI鍚庯紝鏂板垏鐗囦笉鑳界珛鍗充娇鐢ㄣ�佸繀椤诲啀娉ㄥ唽锛� A: Configured NSSAI鍙槸"璁㈤槄鍏ㄩ泦"锛岃璁╁垏鐗囩湡姝ｅ彲鐢ㄩ渶NSSF鍋氬垏鐗囬�夋嫨涓庢槧灏勶紝寰楀埌Allowed NSSAI銆俇CU鍙笅鍙戝叏闆嗭紝涓嶆墽琛屽垏鐗囬�夋嫨锛涜鑼冭姹俇E浠�"鍩轰簬鏂癈onfigured NSSAI鐨凴equested NSSAI"鍙戣捣娉ㄥ唽锛岃Е鍙慛SSF閲嶆柊璁＄畻锛屾柊鍒囩墖鎵嶈繘鍏llowed骞舵壙杞芥祦閲忥紙TS 23.502 4.2.4.2锛夈��

Q3: 纭妯″紡涓婽3555瓒呮椂鍚嶢MF濡備綍澶勭悊锛� A: AMF閲嶄紶CONFIGURATION UPDATE COMMAND锛堟渶澶氶厤缃殑鏈�澶ф鏁帮紝濡�4娆★級锛涗粛鏃燙OMPLETE鍒欒涓烘祦绋嬪け璐ワ紝鍙兘鏈湴Abort銆佽褰曞憡璀︼紝涓ラ噸鏃惰Е鍙戦殣寮忓幓娉ㄥ唽銆俆3555浠呭湪纭妯″紡鍚姩锛岄潪纭妯″紡涓嶅惎鐢ㄣ��

Q4: UE鍦–M-IDLE鏃禔MF濡備綍涓嬪彂UCU锛� A: UCU闇�鍦–M-CONNECTED涓嬪彂銆傝嫢UE澶勪簬CM-IDLE锛孉MF鍙彂璧风綉缁滆Е鍙戠殑鏈嶅姟璇锋眰锛圥aging鈫扴ervice Request锛夊皢UE鎷夊洖杩炴帴鎬佸悗鍐嶅彂COMMAND锛屾垨绛夊緟UE涓嬫杩炴帴鎬併�傚叿浣撶瓥鐣ュ彇鍐充簬鍘傚晢瀹炵幇涓庤繍钀ュ晢閰嶇疆銆�

Q5: UCU涓嶳egistration娴佺▼骞跺彂锛坈ollision锛夊浣曞鐞嗭紵 A: TS 24.501瀹氫箟浜嗙鎾炶鍒欍�傞�氬父UE鍙戣捣鐨勬敞鍐屼紭鍏堬紝AMF渚х殑UCU浼氳涓鎴栧欢鍚庯紱鑻CU鐨�5G-GUTI閲嶅垎閰嶄笌娉ㄥ唽ACCEPT鍐茬獊锛孉MF浠ユ敞鍐屾祦绋嬬粨鏋滀负鍑嗗苟鍦≧egistration Accept涓惡甯︽柊GUTI銆傚紑鍙戣�呴渶涓ユ牸鎸夎鑼冩潯浠跺垎鏀疄鐜帮紝閬垮厤鏍囪瘑涓嶄竴鑷淬��

鍙傝�冩潵婧�

1. 3GPP TS 23.502 V18.10.0 鈥� Procedures for the 5G System (5GS), Section 4.2.4 UE Configuration Update 鈥� UCUC淇′护娴佺▼涓嶤onfigured NSSAI鍙樻洿瑙勫垯鐨勮鑼冩�у畾涔�
2. 3GPP TS 24.501 V18.8.0 鈥� Non-Access-Stratum (NAS) protocol for 5GS, Section 5.5.2 鈥� NAS灞傜‘璁�/闈炵‘璁ゆā寮忕紪瑙ｇ爜涓嶵3555
3. Cisco Ultra Cloud Core 5G AMF Configuration and Administration Guide 鈥� UE Configuration Management Procedures / Timers 鈥� T3555 AMF瀹氭椂鍣ㄨ涓轰笌涓嬪彂鏈哄埗鍘傚晢瀹炵幇璇存槑
4. 5G NAS Configuration Update Command 鈥� 3glteinfo 鈥� NAS娑堟伅IE缁撴瀯涓庡瓧娈甸�熸煡
5. 5G RAN and 5GC Network Slice Signaling 鈥� Techplayon 鈥� Configured/Allowed NSSAI鍦≧egistration Accept涓嶤onfiguration Update Command涓殑涓嬪彂瀵规瘮

鏈枃鐢便��51瀛﹂�氫俊銆嶆妧鏈洟闃熷嚭鍝併��51瀛﹂�氫俊鐢遍�氫俊琛屼笟18骞磋�佸叺鐖卞崼鐢�锛堝井淇D: gprshome201101锛夌淮鎶わ紝鑱氱劍5G/6G鏍稿績缃戙��3GPP鏍囧噯瑙ｈ銆侀�氫俊鍓嶆部鎶�鏈繁搴﹀垎鏋愩�� 鍑虹増浣滃搧鏈夈��5G鏍稿績缃戝師鐞嗕笌瀹炶返銆嬨�奍MS鍘熺悊涓庡疄璺点�嬬瓑4鏈�氫俊涓撲笟涔︾睄銆傜煡璇嗘槦鐞冦��51瀛﹂�氫俊銆嶆彁渚涙繁搴︽妧鏈瓟鐤戝拰琛屼笟娲炲療銆� 撮珮浣嗛噴鏀炬椂寤剁暐澧烇紱 - 涓叴锛氬CM-IDLE涓嬬殑閲婃斁澶勭悊杈冩縺杩涳紝鍊惧悜浜庣珛鍗冲鍛艰�岄潪鏆傚瓨锛屽彲鑳藉鑷撮澶栦俊浠ら鏆达紱 - 鎬濈锛圲CC SMF锛�锛氭敮鎸丄N-initiated release锛圧AN鍙戣捣鐨勯噴鏀撅級锛岄�氳繃PDU Resource Notify瑙﹀彂SMF锛岄潪鏍囧噯浣嗛儴鍒嗚繍钀ュ晢閮ㄧ讲锛� - open5gs/free5gc锛堝紑婧愶級锛氬疄鐜拌緝涓烘爣鍑嗭紝浣嗗湪HR婕父鐨勮法鍩熼噴鏀句笂鏀寔鏈夐檺锛屽父鐢ㄤ簬鍔熻兘楠岃瘉銆�

涓冦�佽璁℃剰鍥炬�荤粨锛氶噴鏀炬祦绋嬬殑宸ョ▼鍝插

绾佃PDU Session Release鐨勮璁★紝鍙彁鐐间笁鏉℃牳蹇冨師鍒欙細

1. 瑙﹀彂褰掍竴锛屾墽琛屾敹鏁�鈥斺�旀棤璁鸿皝瑙﹀彂锛屾渶缁堥兘鐢盨MF缂栨帓锛岄伩鍏嶅NF绔炴�侊紱
2. N4鍏堜簬N1鈥斺�旂敤鎴烽潰鍏堝仠锛圖ROP/End Marker锛夛紝鍐嶉�氱煡鎺у埗闈紝闃叉"閲婃斁涓�"鐨勬暟鎹硠婕忥紱
3. Cause蹇呮惡甯�鈥斺�旈噴鏀炬槸"閫氱煡"鑰岄潪"璇㈤棶"锛孶E蹇呴』琚憡鐭ュ師鍥犱互鍐冲畾鍚庣画鍔ㄤ綔锛堝Reactivation锛夈��

杩欎笁鏉″師鍒欎娇寰楅噴鏀炬祦绋嬪湪淇濇寔淇′护绠�娲佺殑鍚屾椂锛屽吋椤句簡鐘舵�佷竴鑷存�с�佽璐瑰畬鏁存�т笌涓氬姟杩炵画鎬с��

鍏�佸父瑙侀棶棰�

Q1: PDU Session Release涓嶱DU Session Establishment鐨凬AS娑堟伅缁撴瀯鏈変綍鏈川鍖哄埆锛� A: 寤虹珛娑堟伅鏄�"閲嶅崗鍟�"鈥斺�旈渶鎼哄甫DNN銆丼-NSSAI銆丼SC Mode銆丷equest Type绛夊崄浣欎釜IE锛涢噴鏀炬秷鎭槸"鎸囪"鈥斺�旀牳蹇冨彧闇�PDU Session ID銆傚缓绔嬬殑璇箟鏄�"鍒涘缓涓�涓柊韬唤"锛岄噴鏀剧殑璇箟鏄�"閿�姣佷竴涓凡鐭ヨ韩浠�"锛屽洜姝ら噴鏀惧繀鐒舵瘮寤虹珛绠�娲併��

Q2: UE鍙戣捣閲婃斁鏃讹紝SMF鑻ヤ笉鍚屾剰锛堝绛栫暐绂佹锛夛紝浼氬浣曞搷搴旓紵 A: 鏍规嵁TS 24.501锛孲MF浼氳繑鍥� PDU Session Release Reject锛�5GSM Message Type = 0x44锛夛紝鎼哄甫5GSM Cause璇存槑鎷掔粷鍘熷洜锛堝 #81 PDU session type IPv4 only allowed锛夈�備絾瀹為檯缃戠粶涓璖MF鍑犱箮涓嶄細鎷掔粷UE鐨勪富鍔ㄩ噴鏀锯�斺�旇繖鏄疷E鐨勫悎娉曟潈鍒╋紝SMF鏈�澶氬湪鏈湴绛栫暐娓呯悊鍚庣収甯搁噴鏀俱��

Q3: 涓轰粈涔堢綉缁滃彂璧烽噴鏀炬椂锛孶E澶勪簬CM-IDLE浼氬鑷�"鐘舵�佸垎瑁�"锛� A: 鍥犱负N2杩炴帴涓嶅瓨鍦紝AMF鏃犳硶绔嬪嵆閫忎紶N1 Release Command銆傛鏃禨MF鍙兘宸插畬鎴怤4/PCF娓呯悊锛堢綉缁滀晶璁や负宸查噴鏀撅級锛屼絾UE灏氭湭鏀跺埌鍛戒护锛圲E渚ц涓鸿繕鍦ㄧ嚎锛夈�備袱鑰呭浼氳瘽鐘舵�佺殑璁ょ煡鍦ㄧ獥鍙ｆ湡鍐呬笉涓�鑷达紝琛ㄧ幇涓篣E鎸佹湁"骞界伒IP"銆傝鑼冨厑璁告殏瀛樻垨瀵诲懠琛ュ彂锛屽伐绋嬩笂闇�骞宠　鍙婃椂鎬т笌淇′护寮�閿�銆�

Q4: 5GSM Cause #39锛圧eactivation requested锛夊湪閲婃斁涓剰鍛崇潃浠�涔堬紵 A: 瀹冩寚绀篣E"閲婃斁褰撳墠浼氳瘽鍚庯紝绔嬪嵆鐢ㄧ浉鍚屽弬鏁伴噸寤轰竴涓柊浼氳瘽"銆傝繖鐢ㄤ簬UPF閲嶅畾浣嶏紙SSC mode 2锛夋垨鍒囩墖鍙樻洿绛夊満鏅�斺�旂綉缁滈渶瑕佹崲涓�涓敋鐐筓PF锛屼絾鍙堜笉鑳戒腑鏂璘E涓氬姟锛屼簬鏄敤"閲婃斁+閲嶅缓"瀹炵幇鏃犵紳鍒囨崲銆俇E鏀跺埌#39鍚庝細鑷姩瑙﹀彂鏂扮殑Establishment娴佺▼銆�

Q5: N4 Session Modification涓嶯4 Session Deletion鍦ㄩ噴鏀句腑濡備綍閫夌敤锛� A: 瀹屾暣閲婃斁搴斾娇鐢� N4 Session Deletion锛堝交搴曞垹闄PF渚т細璇濅笂涓嬫枃锛夛紱浣嗛儴鍒嗗満鏅紙濡備粎鍘绘縺娲荤敤鎴烽潰杩炴帴浣嗕繚鐣欎細璇濓紝瀵瑰簲4.3.7鐨剆elective deactivation锛変娇鐢∕odification锛堜粎Remove PDR/FAR浣嗕繚鐣橲ession锛夈�傛爣鍑嗛噴鏀炬祦绋嬩腑锛孲MF鏈�缁堝繀椤诲彂璧稤eletion浠ョ‘淇漊PF璧勬簮瀹屽叏鍥炴敹锛屽惁鍒欎細鐣欎笅"鍍靛案N4浼氳瘽"鍗犵敤杞彂璧勬簮銆�

鍙傝�冩潵婧�

1. 3GPP TS 23.502 V18.10.0 鈥� System procedures for the 5G System (5GS), Section 4.3.4 PDU Session Release 鈥� Release 18瀹樻柟瑙勮寖锛�4.3.4.1/4.3.4.2/4.3.4.3瀛愬皬鑺傚畾涔夐噴鏀炬祦绋�
2. TS 23.502 Section 4.3.4 鈥� PDU Session Release | iTecSpec 鈥� 鍦ㄧ嚎瑙勮寖绱㈠紩涓庣珷鑺傚鑸�
3. 5G PDU Session Release娑堟伅娴佺▼ 鈥� 鐭ヤ箮 鈥� 涓枃娴佺▼鍥句笌SMF瑙﹀彂鍦烘櫙鍒嗘瀽
4. 5G PDU Session Release Procedure Call Flow 鈥� 3glteinfo 鈥� UE/缃戠粶鍙戣捣閲婃斁鐨勮嫳鏂囦俊浠ゆ祦绋嬭瑙�
5. 5G NAS - PDU Session Reject Cause Values and Reasons 鈥� TechPlayOn 鈥� 5GSM Cause鍊艰涔変笌SMF澶勭悊閫昏緫
6. 3GPP TS 29.244 鈥� Interface between the Control Plane and the User Plane (N4/PFCP) 鈥� N4浼氳瘽鍒犻櫎鐨凱FCP鍗忚瀹氫箟

鏈枃鐢便��51瀛﹂�氫俊銆嶆妧鏈洟闃熷嚭鍝併��51瀛﹂�氫俊鐢遍�氫俊琛屼笟18骞磋�佸叺鐖卞崼鐢�锛堝井淇D: gprshome201101锛夌淮鎶わ紝鑱氱劍5G/6G鏍稿績缃戙��3GPP鏍囧噯瑙ｈ銆侀�氫俊鍓嶆部鎶�鏈繁搴﹀垎鏋愩�� 鍑虹増浣滃搧鏈夈��5G鏍稿績缃戝師鐞嗕笌瀹炶返銆嬨�奍MS鍘熺悊涓庡疄璺点�嬬瓑4鏈�氫俊涓撲笟涔︾睄銆傜煡璇嗘槦鐞冦��51瀛﹂�氫俊銆嶆彁渚涙繁搴︽妧鏈瓟鐤戝拰琛屼笟娲炲療銆�

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