faratell
commented
2 months ago I have also test it with open5gs core and same result. After some seconds UE release.
%%%%% mme log: 08/18 11:30:29.758: [mme] INFO: eNB-S1 accepted[192.168.75.185]:39269 in s1_path module (../src/mme/s1ap-sctp.c:114) 08/18 11:30:29.758: [mme] INFO: eNB-S1 accepted[192.168.75.185] in master_sm module (../src/mme/mme-sm.c:108) 08/18 11:30:29.758: [mme] INFO: [Added] Number of eNBs is now 1 (../src/mme/mme-context.c:2557) 08/18 11:30:29.758: [mme] INFO: eNB-S1[192.168.75.185] max_num_of_ostreams : 30 (../src/mme/mme-sm.c:150) 08/18 11:30:36.286: [mme] INFO: eNB-S1[192.168.75.185] connection refused!!! (../src/mme/mme-sm.c:166) 08/18 11:30:36.286: [mme] INFO: [Removed] Number of eNBs is now 0 (../src/mme/mme-context.c:2591) 08/18 11:47:26.901: [mme] INFO: eNB-S1 accepted[192.168.75.149]:35316 in s1_path module (../src/mme/s1ap-sctp.c:114) 08/18 11:47:26.901: [mme] INFO: eNB-S1 accepted[192.168.75.149] in master_sm module (../src/mme/mme-sm.c:108) 08/18 11:47:26.901: [mme] INFO: [Added] Number of eNBs is now 1 (../src/mme/mme-context.c:2557) 08/18 11:47:26.901: [mme] INFO: eNB-S1[192.168.75.149] max_num_of_ostreams : 30 (../src/mme/mme-sm.c:150) 08/18 11:47:38.994: [mme] INFO: InitialUEMessage (../src/mme/s1ap-handler.c:402) 08/18 11:47:38.994: [mme] INFO: [Added] Number of eNB-UEs is now 1 (../src/mme/mme-context.c:4433) 08/18 11:47:38.994: [mme] INFO: Unknown UE by S_TMSI[G:2,C:26,M_TMSI:0x4c872aa1] (../src/mme/s1ap-handler.c:482) 08/18 11:47:38.995: [mme] INFO: ENB_UE_S1AP_ID[1] MME_UE_S1AP_ID[2] TAC[1] CellID[0x19b01] (../src/mme/s1ap-handler.c:578) 08/18 11:47:38.995: [mme] INFO: Unknown UE by GUTI[G:1,C:26,M_TMSI:0x4c872aa1] (../src/mme/mme-context.c:3287) 08/18 11:47:38.995: [mme] INFO: [Added] Number of MME-UEs is now 1 (../src/mme/mme-context.c:3089) 08/18 11:47:38.995: [emm] INFO: [] Attach request (../src/mme/emm-sm.c:412) 08/18 11:47:38.995: [emm] INFO: GUTI[G:1,C:26,M_TMSI:0x4c872aa1] IMSI[Unknown IMSI] (../src/mme/emm-handler.c:245) 08/18 11:47:39.018: [emm] INFO: Identity response (../src/mme/emm-sm.c:382) 08/18 11:47:39.018: [emm] INFO: IMSI[999550000000002] (../src/mme/emm-handler.c:409) 08/18 11:47:39.088: [mme] INFO: [Added] Number of MME-Sessions is now 1 (../src/mme/mme-context.c:4447) 08/18 11:47:39.400: [emm] INFO: [999550000000002] Attach complete (../src/mme/emm-sm.c:1298) 08/18 11:47:39.400: [emm] INFO: IMSI[999550000000002] (../src/mme/emm-handler.c:283) 08/18 11:47:39.400: [emm] INFO: UTC [2024-08-18T08:17:39] Timezone[0]/DST[0] (../src/mme/emm-handler.c:290) 08/18 11:47:39.400: [emm] INFO: LOCAL [2024-08-18T11:47:39] Timezone[12600]/DST[0] (../src/mme/emm-handler.c:294) 08/18 11:48:13.264: [mme] INFO: UE Context Release [Action:2] (../src/mme/s1ap-handler.c:1819) 08/18 11:48:13.264: [mme] INFO: ENB_UE_S1AP_ID[1] MME_UE_S1AP_ID[2] (../src/mme/s1ap-handler.c:1820) 08/18 11:48:13.264: [mme] INFO: IMSI[999550000000002] (../src/mme/s1ap-handler.c:1823) 08/18 11:48:13.264: [mme] INFO: [Removed] Number of eNB-UEs is now 0 (../src/mme/mme-context.c:4440)
%%%% srsue sudo ./srsue ue_zmq.conf [sudo] password for faraz: Active RF plugins: libsrsran_rf_zmq.so Inactive RF plugins: Reading configuration file ue_zmq.conf... srsLog error - Unable to create log file "/tmp/ue.log": Permission denied
Built in Release mode using commit ec29b0c on branch master.
Opening 1 channels in RF device=zmq with args=tx_port=tcp://:2001,rx_port=tcp://localhost:2000,id=ue,base_srate=23.04e6 Supported RF device list: zmq file CHx base_srate=23.04e6 CHx id=ue Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12 decimation) CH0 rx_port=tcp://localhost:2000 CH0 tx_port=tcp://:2001 Waiting PHY to initialize ... done! Attaching UE... Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12 decimation) Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12 decimation) . Found Cell: Mode=FDD, PCI=1, PRB=50, Ports=1, CP=Normal, CFO=-0.2 KHz Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2 decimation) Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2 decimation) Found PLMN: Id=99955, TAC=1 Random Access Transmission: seq=21, tti=341, ra-rnti=0x2 RRC Connected Random Access Complete. c-rnti=0x46, ta=0 Network attach successful. IP: 10.45.0.7 nTp) 18/8/2024 8:17:39 TZ:65 Received RRC Connection Release (releaseCause: other) RRC IDLE
%%%
frankist
Hello. I have installed srsRAN_4G in two machines In one machine I run srsepc (192.168.75.185) and in others I run srsenb and srsepc. eNB connection to EPC is ok. srsue is also connected to eNB, but after some seconds it releases and went to idle mode.
%%%%%% sudo srsepc /root/.config/srsran/epc.conf
Built in Release mode using commit fa56836b1 on branch master.
--- Software Radio Systems EPC ---
Reading configuration file /root/.config/srsran/epc.conf... HSS Initialized. MME S11 Initialized MME GTP-C Initialized MME Initialized. MCC: 0xf999, MNC: 0xff55 SPGW GTP-U Initialized. SPGW S11 Initialized. SP-GW Initialized. Received S1 Setup Request. S1 Setup Request - eNB Name: srsenb01, eNB id: 0x19b S1 Setup Request - MCC:999, MNC:55 S1 Setup Request - TAC 1, B-PLMN 0x99f955 S1 Setup Request - Paging DRX v128 Sending S1 Setup Response Initial UE message: LIBLTE_MME_MSG_TYPE_ATTACH_REQUEST Received Initial UE message -- Attach Request Attach request -- M-TMSI: 0x45d54d88 Attach request -- eNB-UE S1AP Id: 1 Attach request -- Attach type: 1 Attach Request -- UE Network Capabilities EEA: 11110000 Attach Request -- UE Network Capabilities EIA: 01110000 Attach Request -- MS Network Capabilities Present: false PDN Connectivity Request -- EPS Bearer Identity requested: 0 PDN Connectivity Request -- Procedure Transaction Id: 1 PDN Connectivity Request -- ESM Information Transfer requested: true UL NAS: Received Identity Response ID Response -- IMSI: 999550000000002 Downlink NAS: Sent Authentication Request UL NAS: Received Authentication Response Authentication Response -- IMSI 999550000000002 UE Authentication Accepted. Generating KeNB with UL NAS COUNT: 0 Downlink NAS: Sending NAS Security Mode Command. UL NAS: Received Security Mode Complete Security Mode Command Complete -- IMSI: 999550000000002 Sending ESM information request UL NAS: Received ESM Information Response ESM Info: APN internet Getting subscription information -- QCI 7 Sending Create Session Request. Creating Session Response -- IMSI: 999550000000002 Creating Session Response -- MME control TEID: 1 Received GTP-C PDU. Message type: GTPC_MSG_TYPE_CREATE_SESSION_REQUEST SPGW: Allocated Ctrl TEID 1 SPGW: Allocated User TEID 1 SPGW: Allocate UE IP 172.16.0.2 Received Create Session Response Create Session Response -- SPGW control TEID 1 Create Session Response -- SPGW S1-U Address: 127.0.1.100 SPGW Allocated IP 172.16.0.2 to IMSI 999550000000002 Adding attach accept to Initial Context Setup Request Sent Initial Context Setup Request. E-RAB id 5 Received Initial Context Setup Response E-RAB Context Setup. E-RAB id 5 E-RAB Context -- eNB TEID 0x1; eNB GTP-U Address 192.168.75.149 UL NAS: Received Attach Complete Unpacked Attached Complete Message. IMSI 999550000000002 Unpacked Activate Default EPS Bearer message. EPS Bearer id 5 Received GTP-C PDU. Message type: GTPC_MSG_TYPE_MODIFY_BEARER_REQUEST Sending EMM Information Received UE Context Release Request. MME-UE S1AP Id 1 There are active E-RABs, send release access bearers request Received GTP-C PDU. Message type: GTPC_MSG_TYPE_RELEASE_ACCESS_BEARERS_REQUEST Received UE Context Release Complete. MME-UE S1AP Id 1 UE Context Release Completed.
%%%% sudo ./srsue ue_zmq.conf Active RF plugins: libsrsran_rf_zmq.so Inactive RF plugins: Reading configuration file ue_zmq.conf...
Built in Release mode using commit ec29b0c on branch master.
srsLog error - Unable to create log file "/tmp/ue.log": Permission denied Opening 1 channels in RF device=zmq with args=tx_port=tcp://:2001,rx_port=tcp://localhost:2000,id=ue,base_srate=23.04e6 Supported RF device list: zmq file CHx base_srate=23.04e6 CHx id=ue Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12 decimation) CH0 rx_port=tcp://localhost:2000 CH0 tx_port=tcp://:2001 Waiting PHY to initialize ... done! Attaching UE... Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12 decimation) Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12 decimation) . Found Cell: Mode=FDD, PCI=1, PRB=50, Ports=1, CP=Normal, CFO=-0.2 KHz Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2 decimation) Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2 decimation) Found PLMN: Id=99955, TAC=1 Random Access Transmission: seq=41, tti=341, ra-rnti=0x2 RRC Connected Random Access Complete. c-rnti=0x46, ta=0 Network attach successful. IP: 172.16.0.2 Software Radio Systems RAN (srsRAN) 18/8/2024 8:0:51 TZ:0 Received RRC Connection Release (releaseCause: other) RRC IDLE
%%%% udo ./srsenb enb.conf Active RF plugins: libsrsran_rf_zmq.so Inactive RF plugins: --- Software Radio Systems LTE eNodeB ---
Reading configuration file enb.conf...
Built in Release mode using commit ec29b0c on branch master.
Opening 1 channels in RF device=zmq with args=fail_on_disconnect=true,tx_port=tcp://:2000,rx_port=tcp://localhost:2001,id=enb,base_srate=23.04e6 Supported RF device list: zmq file CHx base_srate=23.04e6 CHx id=enb Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12 decimation) CH0 rx_port=tcp://localhost:2001 CH0 tx_port=tcp://:2000 CH0 fail_on_disconnect=true
==== eNodeB started === Type to view trace
Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2 decimation)
Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2 decimation)
Setting frequency: DL=2680.0 Mhz, UL=2560.0 MHz for cc_idx=0 nof_prb=50
RACH: tti=341, cc=0, pci=1, preamble=41, offset=0, temp_crnti=0x46
User 0x46 connected
t
Enter t to stop trace.
rat pci rnti cqi ri mcs brate ok nok (%) | pusch pucch phr mcs brate ok nok (%) bsr lte 1 46 15 0 0 0 0 0 0% | n/a 99.9 0 0 0 0 0 0% 0.0 lte 1 46 15 0 0 0 0 0 0% | n/a 99.9 0 0 0 0 0 0% 0.0 Disconnecting rnti=0x46.