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open5gs / open5gs

Open5GS is a C-language Open Source implementation for 5G Core and EPC, i.e. the core network of LTE/NR network (Release-17)

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Multi UPF deployment with single SMF...No [nsmf-pdusession]

jamjad333 opened this issue · comments

commented

Open5GS Release, Revision, or Tag

v2.7.1

Steps to reproduce

Hi,
I have following setup:
Open5gs core: 2.7.1
UERANSIM
I have deployed second instance of UPF on same machine and i am trying to connect my UE to different UPF's using seperate sst values and APNs.One UPF is working normally but when i try to connect through second UPF it give me following errros:
Config file:
config.zip

Logs

Sepersate UPF instance:

06/04 14:25:57.132: [app] INFO: Configuration: '/home/VICOMTECH/jamjad/open5gs/install/etc/open5gs/upf1.yaml' (../lib/app/ogs-init.c:133)
06/04 14:25:57.132: [app] INFO: File Logging: '/home/VICOMTECH/jamjad/open5gs/install/var/log/open5gs/upf.log' (../lib/app/ogs-init.c:136)
06/04 14:25:57.232: [metrics] INFO: metrics_server() [http://10.200.10.218]:9091 (../lib/metrics/prometheus/context.c:299)
06/04 14:25:57.232: [pfcp] INFO: pfcp_server() [10.200.10.218]:8805 (../lib/pfcp/path.c:30)
06/04 14:25:57.232: [pfcp] INFO: ogs_pfcp_connect() [10.200.10.114]:8805 (../lib/pfcp/path.c:61)
06/04 14:25:57.233: [gtp] INFO: gtp_server() [10.200.10.218]:2152 (../lib/gtp/path.c:30)
06/04 14:25:57.235: [app] INFO: UPF initialize...done (../src/upf/app.c:31)
06/04 14:25:57.235: [upf] INFO: PFCP associated [10.200.10.114]:8805 (../src/upf/pfcp-sm.c:184)



AMF:
06/04 14:27:23.565: [amf] WARNING: [suci-0-901-70-0000-0-0-0000000001] DL NAS transport (../src/amf/nas-path.c:994)
06/04 14:27:24.668: [gmm] INFO: UE SUPI[imsi-901700000000001] DNN[5g2] S_NSSAI[SST:2 SD:0x0] smContextRef[NULL] smContextResourceURI[NULL] (../src/amf/gmm-handler.c:1367)
06/04 14:27:24.668: [gmm] INFO: No SMF Instance (../src/amf/gmm-handler.c:1406)
06/04 14:27:24.668: [amf] WARNING: NF EndPoint(addr) updated [10.200.10.110:7777] (../src/amf/nnssf-handler.c:159)
06/04 14:27:24.668: [amf] INFO: NF EndPoint(addr) setup [10.200.10.110:7777] (../src/amf/nnssf-handler.c:159)
06/04 14:27:24.668: [amf] WARNING: Try to discover [nsmf-pdusession] (../src/amf/sbi-path.c:366)
06/04 14:27:24.669: [amf] ERROR: [imsi-901700000000001:1] (NF discover) No [nsmf-pdusession] (../src/amf/sbi-path.c:318)


For successful connection:
06/04 14:40:51.725: [sbi] INFO: NF EndPoint(addr) setup [10.200.10.112:80] (../lib/sbi/context.c:2195)
06/04 14:40:51.725: [sbi] INFO: NF EndPoint(addr) setup [10.200.10.112:7777] (../lib/sbi/context.c:1934)
06/04 14:40:51.725: [sbi] INFO: [9702b2b0-226d-41ef-b256-6bda31e27d70] (NF-discover) NF Profile updated [type:UDM validity:30s] (../lib/sbi/nnrf-handler.c:1247)
06/04 14:40:51.725: [smf] INFO: [9702b2b0-226d-41ef-b256-6bda31e27d70] NF Instance setup [type:UDM validity:30s] (../src/smf/nnrf-handler.c:65)
06/04 14:40:51.727: [sbi] INFO: [970b073a-226d-41ef-a7c5-911b5432178f] NF Instance setup [type:PCF validity:0s] (../lib/sbi/path.c:296)
06/04 14:40:51.728: [amf] INFO: NF EndPoint(addr) setup [10.200.10.114:7777] (../src/amf/nsmf-handler.c:145)
06/04 14:40:51.728: [pcf] INFO: NF EndPoint(addr) setup [10.200.10.114:7777] (../src/pcf/npcf-handler.c:447)
06/04 14:40:51.728: [sbi] INFO: [97220d54-226d-41ef-9225-490d5321a9a9] NF Instance setup [type:UDR validity:0s] (../lib/sbi/path.c:296)
06/04 14:40:51.729: [pcf] INFO: [970b073a-226d-41ef-a7c5-911b5432178f] NF Instance setup [type:PCF validity:0s] (../src/pcf/nudr-handler.c:227)
06/04 14:40:51.729: [sbi] INFO: [97194840-226d-41ef-af64-574dba15073f] NF Instance setup [type:BSF validity:0s] (../lib/sbi/path.c:296)
06/04 14:40:51.729: [pcf] INFO: NF EndPoint(addr) setup [10.200.10.122:7777] (../src/pcf/nbsf-handler.c:151)
06/04 14:40:51.730: [smf] INFO: NF EndPoint(addr) setup [10.200.10.123:7777] (../src/smf/npcf-handler.c:367)
06/04 14:40:51.730: [smf] INFO: UE SUPI[imsi-001010000000001] DNN[5g1] IPv4[10.46.0.2] IPv6[] (../src/smf/npcf-handler.c:578)
06/04 14:40:51.730: [upf] INFO: [Added] Number of UPF-Sessions is now 1 (../src/upf/context.c:208)
06/04 14:40:51.731: [gtp] INFO: gtp_connect() [10.200.10.114]:2152 (../lib/gtp/path.c:60)
06/04 14:40:51.731: [upf] INFO: UE F-SEID[UP:0x630 CP:0x3d1] APN[5g1] PDN-Type[1] IPv4[10.46.0.2] IPv6[] (../src/upf/context.c:489)
06/04 14:40:51.731: [upf] INFO: UE F-SEID[UP:0x630 CP:0x3d1] APN[5g1] PDN-Type[1] IPv4[10.46.0.2] IPv6[] (../src/upf/context.c:489)
06/04 14:40:51.731: [gtp] INFO: gtp_connect() [10.200.10.118]:2152 (../lib/gtp/path.c:60)
06/04 14:40:51.731: [sbi] WARNING: Try to discover [namf-comm] (../lib/sbi/path.c:544)
06/04 14:40:51.732: [sbi] INFO: [96f44608-226d-41ef-8ac9-c318c202c4b0] (NRF-discover) NF registered [type:NULL] (../lib/sbi/nnrf-handler.c:1202)
06/04 14:40:51.732: [sbi] INFO: NF EndPoint(addr) setup [10.200.10.115:80] (../lib/sbi/context.c:2195)
06/04 14:40:51.732: [sbi] INFO: NF EndPoint(addr) setup [10.200.10.115:7777] (../lib/sbi/context.c:1934)
06/04 14:40:51.732: [sbi] INFO: [96f44608-226d-41ef-8ac9-c318c202c4b0] (NF-discover) NF Profile updated [type:AMF validity:30s] (../lib/sbi/nnrf-handler.c:1247)
06/04 14:40:51.732: [smf] INFO: [96f44608-226d-41ef-8ac9-c318c202c4b0] NF Instance setup [type:AMF validity:30s] (../src/smf/nnrf-handler.c:65)
06/04 14:40:51.741: [gtp] INFO: gtp_connect() [10.200.11.220]:2152 (../lib/gtp/path.c:60)
06/04 14:40:51.741: [sbi] WARNING: Try to discover [nudm-uecm] (../lib/sbi/path.c:544)
06/04 14:40:51.741: [sbi] WARNING: [9702b2b0-226d-41ef-b256-6bda31e27d70] (NRF-discover) NF has already been added [type:UDM] (../lib/sbi/nnrf-handler.c:1206)
06/04 14:40:51.741: [sbi] WARNING: NF EndPoint(addr) updated [10.200.10.112:80] (../lib/sbi/context.c:2195)
06/04 14:40:51.741: [sbi] INFO: NF EndPoint(addr) setup [10.200.10.112:80] (../lib/sbi/context.c:2195)
06/04 14:40:51.741: [sbi] WARNING: NF EndPoint(addr) updated [10.200.10.112:7777] (../lib/sbi/context.c:1934)
06/04 14:40:51.741: [sbi] INFO: NF EndPoint(addr) setup [10.200.10.112:7777] (../lib/sbi/context.c:1934)
06/04 14:40:51.741: [sbi] INFO: NF EndPoint(addr) setup [10.200.10.112:7777] (../lib/sbi/context.c:1934)
06/04 14:40:51.741: [sbi] INFO: [9702b2b0-226d-41ef-b256-6bda31e27d70] (NF-discover) NF Profile updated [type:UDM validity:30s] (../lib/sbi/nnrf-handler.c:1247)
06/04 14:40:51.741: [smf] INFO: [9702b2b0-226d-41ef-b256-6bda31e27d70] NF Instance setup [type:UDM validity:30s] (../src/smf/nnrf-handler.c:65)
06/04 14:40:51.741: [sbi] INFO: [97220d54-226d-41ef-9225-490d5321a9a9] NF Instance setup [type:UDR validity:0s] (../lib/sbi/path.c:296)
06/04 14:40:51.742: [amf] INFO: [imsi-001010000000001:1:11][0:0:NULL] /nsmf-pdusession/v1/sm-contexts/{smContextRef}/modify (../src/amf/nsmf-handler.c:915)

Expected behaviour

PDU successful created on second UPF

Observed Behaviour

06/04 14:27:23.565: [amf] WARNING: [suci-0-901-70-0000-0-0-0000000001] DL NAS transport (../src/amf/nas-path.c:994)
06/04 14:27:24.668: [gmm] INFO: UE SUPI[imsi-901700000000001] DNN[5g2] S_NSSAI[SST:2 SD:0x0] smContextRef[NULL] smContextResourceURI[NULL] (../src/amf/gmm-handler.c:1367)
06/04 14:27:24.668: [gmm] INFO: No SMF Instance (../src/amf/gmm-handler.c:1406)
06/04 14:27:24.668: [amf] WARNING: NF EndPoint(addr) updated [10.200.10.110:7777] (../src/amf/nnssf-handler.c:159)
06/04 14:27:24.668: [amf] INFO: NF EndPoint(addr) setup [10.200.10.110:7777] (../src/amf/nnssf-handler.c:159)
06/04 14:27:24.668: [amf] WARNING: Try to discover [nsmf-pdusession] (../src/amf/sbi-path.c:366)
06/04 14:27:24.669: [amf] ERROR: [imsi-901700000000001:1] (NF discover) No [nsmf-pdusession] (../src/amf/sbi-path.c:318)
In pcap:
5GMM cause: Payload was not forwarded (90)

eNodeB/gNodeB

UERANSIM

UE Models and versions

UERANSIM