UE not registered to srsran gnb #876
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hayyanali-cmd
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Hello srsran_project team
This is first time for me with srsran_project, i worked before alot on srsran_4G
I installed srsran_project from source last week, followed the instructions in tutorials, I am using pixel 6a (SIM plmnid is 00101) and usrp b210. as you can see:
sudo gnb -c gnb_rf_b200_tdd_n78_20mhz.yml
--== srsRAN gNB (commit e73b461) ==--
The PRACH detector will not meet the performance requirements with the configuration {Format B4, ZCZ 0, SCS 30kHz, Rx ports 1}.
Lower PHY in quad executor mode.
Available radio types: uhd.
[INFO] [UHD] linux; GNU C++ version 11.4.0; Boost_107400; UHD_4.7.0.0-0ubuntu1~jammy1
[INFO] [LOGGING] Fastpath logging disabled at runtime.
Making USRP object with args 'type=b200,num_recv_frames=64,num_send_frames=64'
[INFO] [B200] Detected Device: B210
[INFO] [B200] Operating over USB 3.
[INFO] [B200] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: GPSTCXO, Firmware Rev 0.929b
[INFO] [B200] Initialize CODEC control...
[INFO] [B200] Initialize Radio control...
[INFO] [B200] Performing register loopback test...
[INFO] [B200] Register loopback test passed
[INFO] [B200] Performing register loopback test...
[INFO] [B200] Register loopback test passed
[INFO] [B200] Setting master clock rate selection to 'automatic'.
[INFO] [B200] Asking for clock rate 16.000000 MHz...
[INFO] [B200] Actually got clock rate 16.000000 MHz.
[INFO] [MULTI_USRP] Setting master clock rate selection to 'manual'.
[INFO] [B200] Asking for clock rate 23.040000 MHz...
[INFO] [B200] Actually got clock rate 23.040000 MHz.
Cell pci=1, bw=20 MHz, 1T1R, dl_arfcn=627340 (n78), dl_freq=3410.1 MHz, dl_ssb_arfcn=626976, ul_freq=3410.1 MHz
N2: Connection to AMF on 127.0.1.100:38412 completed
==== gNB started ===
Type to view help
Late: 0; Underflow: 1; Overflow: 0;
Late: 0; Underflow: 1; Overflow: 0;
here is the AMF config file:
![Screenshot from 2024-10-17 11-59-35](https://private-user-images.githubusercontent.com/79036077/377414758-4c099553-acf4-4a10-ac26-15adbff0c12e.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.fzabAjIqMj6Ud2GRP8Rh_zhF3Jg2yldoE7bZWUSUn8I)
![Screenshot from 2024-10-17 12-01-31](https://private-user-images.githubusercontent.com/79036077/377415494-21f69a18-b005-43c6-8c6e-8aef5ceffa53.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.j6sG3W3U_9-OHeSlKch00f2WlvNoqPPRxzW9i0C5r_U)
![Screenshot from 2024-10-17 12-05-21](https://private-user-images.githubusercontent.com/79036077/377416750-adeaf05f-2bda-4b35-a843-cd10085e6800.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MzkxMDg4MzMsIm5iZiI6MTczOTEwODUzMywicGF0aCI6Ii83OTAzNjA3Ny8zNzc0MTY3NTAtYWRlYWYwNWYtMmJkYS00YjM1LWE4NDMtY2QxMDA4NWU2ODAwLnBuZz9YLUFtei1BbGdvcml0aG09QVdTNC1ITUFDLVNIQTI1NiZYLUFtei1DcmVkZW50aWFsPUFLSUFWQ09EWUxTQTUzUFFLNFpBJTJGMjAyNTAyMDklMkZ1cy1lYXN0LTElMkZzMyUyRmF3czRfcmVxdWVzdCZYLUFtei1EYXRlPTIwMjUwMjA5VDEzNDIxM1omWC1BbXotRXhwaXJlcz0zMDAmWC1BbXotU2lnbmF0dXJlPTFkMmYwN2Q4NWUwNjQzYzRiY2RmY2Q4MTk0ZWU1ODBhZjQ4MWRkYjA0NWJmMWEzMjEyYmNkMjQyOGM5ZWFhM2UmWC1BbXotU2lnbmVkSGVhZGVycz1ob3N0In0.9ckGnhTZ5Uc6FYDRn9Bv9L7XfP99NhP9HvlZBU25Dkw)
and here is the UPF config:
here is gnb file config:
Expected behavior:
the UE is attached properly
Actual behavior:
I can see my network but cant connect, when checking the gnb_mac.pcap using wireshark: the registration reject cause is : "5GMM cause: Semantically incorrect message (95)".
![Screenshot from 2024-10-17 12-07-52](https://private-user-images.githubusercontent.com/79036077/377417634-81e05f0e-1c0c-4bf8-9477-91423368c101.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.xb_ukQCVrVSZID9tDqhyUYVoudFhyocQCvoB_FPMPuI)
here is the amf log:
10:18:09.384: [amf] INFO: [Added] Number of gNB-UEs is now 1 (../src/amf/context.c:2694)
10/17 10:18:09.384: [amf] INFO: RAN_UE_NGAP_ID[0] AMF_UE_NGAP_ID[1] TAC[7] CellID[0x66c000] (../src/amf/ngap-handler.c:596)
10/17 10:18:09.384: [amf] INFO: [suci-0-001-01-0-0-0-0123456789] Unknown UE by SUCI (../src/amf/context.c:1861)
10/17 10:18:09.384: [amf] INFO: [Added] Number of AMF-UEs is now 1 (../src/amf/context.c:1638)
10/17 10:18:09.384: [gmm] INFO: Registration request (../src/amf/gmm-sm.c:1220)
10/17 10:18:09.384: [gmm] INFO: [suci-0-001-01-0-0-0-0123456789] SUCI (../src/amf/gmm-handler.c:174)
10/17 10:18:09.386: [gmm] ERROR: [suci-0-001-01-0-0-0-0123456789] HTTP response error [400] (../src/amf/gmm-sm.c:1800)
10/17 10:18:09.386: [amf] WARNING: [suci-0-001-01-0-0-0-0123456789] Registration reject [95] (../src/amf/nas-path.c:211)
10/17 10:18:09.523: [amf] INFO: UE Context Release [Action:3] (../src/amf/ngap-handler.c:1726)
10/17 10:18:09.523: [amf] INFO: RAN_UE_NGAP_ID[0] AMF_UE_NGAP_ID[1] (../src/amf/ngap-handler.c:1727)
10/17 10:18:09.523: [amf] INFO: SUCI[suci-0-001-01-0-0-0-0123456789] (../src/amf/ngap-handler.c:1731)
10/17 10:18:09.523: [amf] INFO: [Removed] Number of gNB-UEs is now 0 (../src/amf/context.c:2701)
10/17 10:18:09.523: [amf] INFO: [Removed] Number of AMF-UEs is now 0 (../src/amf/context.c:1735)
10/17 10:19:26.651: [amf] INFO: gNB-N2[127.0.0.1] connection refused!!! (../src/amf/amf-sm.c:855)
10/17 10:19:26.651: [amf] INFO: [Removed] Number of gNBs is now 0 (../src/amf/context.c:1265)
It is strange, because i am pretty sure that configs of the UE SIM (programmable osmocom one) are the same of configs of UE in open5gs webui.
![Screenshot from 2024-10-17 10-58-18](https://private-user-images.githubusercontent.com/79036077/377412679-03b14a96-eb6d-4704-a274-030d3e498f8b.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.FLZIeP3oGyO4rWSTic3LbgXic2i9OE-Cplipp_cfPag)
![Screenshot from 2024-10-17 10-58-41](https://private-user-images.githubusercontent.com/79036077/377418346-2d2d55b3-37a0-46c3-a736-e75a22b7d744.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.HK1bmzZIGJFgwJM_V9_mec3K1uc_BLlApTs82jaSD_Y)
I ask if you can suggest thankfully a solution to this problem :), all files are attached here:
registration_problem.zip
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