I figured out what was going on, so perhaps there is a solution already in place. By default the Baicells UE do not request a specific APN. That causes the EPC to reject the request.
David Peterson |
From: Sukchan Lee <acetcom@gmail.com>
Sent: Friday, March 27, 2020 11:57 AM
To: david@ispsupplies.com
Cc: nextepc@lists.osmocom.org
Subject: Re: Reject message
Hi david,
If pcap is provided, it is more easier to analyze your problem.
BTW, from your log, I've found PDN connectivity reject with ESM_CAUSE:27.
It means that UE APN is unknown in HSS. So, you need to match APN name between UE and HSS.
Thanks and regards,
Sukchan
On Tue, Mar 17, 2020 at 6:47 PM <david@ispsupplies.com> wrote:
Does anyone know why I am getting this reject reason for network entry on a UE?
03/17 16:56:55.026: [mme] DEBUG: [EMM] Authentication request (../src/mme/nas-path.c:180)
03/17 16:56:55.026: [mme] DEBUG: IMSI[311980000033212] (../src/mme/nas-path.c:181)
03/17 16:56:55.026: [mme] DEBUG: [MME] DownlinkNASTransport (../src/mme/s1ap-build.c:186)
03/17 16:56:55.026: [mme] DEBUG: ENB_UE_S1AP_ID[41] MME_UE_S1AP_ID[17] (../src/mme/s1ap-build.c:231)
03/17 16:56:55.026: [mme] DEBUG: IP[10.100.108.9] ENB_ID[67177119] (../src/mme/s1ap-path.c:79)
03/17 16:56:55.189: [mme] DEBUG: mme_state_operational(): MME_EVT_S1AP_MESSAGE
(../src/mme/mme-sm.c:129)
03/17 16:56:55.189: [mme] DEBUG: s1ap_state_operational(): MME_EVT_S1AP_MESSAGE
(../src/mme/s1ap-sm.c:60)
03/17 16:56:55.189: [mme] DEBUG: [MME] Uplink NAS transport (../src/mme/s1ap-handler.c:330)
03/17 16:56:55.189: [mme] DEBUG: IP[10.100.108.9] ENB_ID[67177119] (../src/mme/s1ap-handler.c:347)
03/17 16:56:55.189: [mme] DEBUG: ENB_UE_S1AP_ID[41] MME_UE_S1AP_ID[17] (../src/mme/s1ap-handler.c:354)
03/17 16:56:55.189: [mme] DEBUG: mme_state_operational(): MME_EVT_EMM_MESSAGE
(../src/mme/mme-sm.c:129)
03/17 16:56:55.189: [emm] DEBUG: emm_state_authentication(): MME_EVT_EMM_MESSAGE
(../src/mme/emm-sm.c:488)
03/17 16:56:55.189: [emm] DEBUG: [EMM] Authentication response (../src/mme/emm-sm.c:512)
03/17 16:56:55.189: [emm] DEBUG: IMSI[311980000033212] (../src/mme/emm-sm.c:513)
03/17 16:56:55.189: [emm] DEBUG: emm_state_authentication(): EXIT
(../src/mme/emm-sm.c:488)
03/17 16:56:55.189: [emm] DEBUG: emm_state_security_mode(): ENTRY
(../src/mme/emm-sm.c:649)
03/17 16:56:55.189: [mme] DEBUG: [EMM] Security mode command (../src/mme/nas-path.c:207)
03/17 16:56:55.189: [mme] DEBUG: IMSI[311980000033212] (../src/mme/nas-path.c:208)
03/17 16:56:55.190: [emm] DEBUG: Replayed UE SEC[LEN:2 EEA:0xe0 EIA:0xe0 UEA:0x0 UIA:0x0 GEA:0x0] (../src/mme/emm-build.c:287)
03/17 16:56:55.190: [emm] DEBUG: Selected[Integrity:0x1 Encrypt:0x0] (../src/mme/emm-build.c:289)
03/17 16:56:55.190: [mme] DEBUG: [MME] DownlinkNASTransport (../src/mme/s1ap-build.c:186)
03/17 16:56:55.190: [mme] DEBUG: ENB_UE_S1AP_ID[41] MME_UE_S1AP_ID[17] (../src/mme/s1ap-build.c:231)
03/17 16:56:55.190: [mme] DEBUG: IP[10.100.108.9] ENB_ID[67177119] (../src/mme/s1ap-path.c:79)
03/17 16:56:55.229: [mme] DEBUG: mme_state_operational(): MME_EVT_S1AP_MESSAGE
(../src/mme/mme-sm.c:129)
03/17 16:56:55.230: [mme] DEBUG: s1ap_state_operational(): MME_EVT_S1AP_MESSAGE
(../src/mme/s1ap-sm.c:60)
03/17 16:56:55.230: [mme] DEBUG: [MME] Uplink NAS transport (../src/mme/s1ap-handler.c:330)
03/17 16:56:55.230: [mme] DEBUG: IP[10.100.108.9] ENB_ID[67177119] (../src/mme/s1ap-handler.c:347)
03/17 16:56:55.230: [mme] DEBUG: ENB_UE_S1AP_ID[41] MME_UE_S1AP_ID[17] (../src/mme/s1ap-handler.c:354)
03/17 16:56:55.230: [mme] DEBUG: mme_state_operational(): MME_EVT_EMM_MESSAGE
(../src/mme/mme-sm.c:129)
03/17 16:56:55.230: [emm] DEBUG: emm_state_security_mode(): MME_EVT_EMM_MESSAGE
(../src/mme/emm-sm.c:649)
03/17 16:56:55.230: [emm] DEBUG: [EMM] Security mode complete (../src/mme/emm-sm.c:676)
03/17 16:56:55.230: [emm] DEBUG: IMSI[311980000033212] (../src/mme/emm-sm.c:677)
03/17 16:56:55.230: [mme] DEBUG: [MME] Update-Location-Request (../src/mme/mme-fd-path.c:444)
03/17 16:56:55.231: [emm] DEBUG: emm_state_security_mode(): EXIT
(../src/mme/emm-sm.c:649)
03/17 16:56:55.231: [emm] DEBUG: emm_state_initial_context_setup(): ENTRY
(../src/mme/emm-sm.c:817)
03/17 16:56:55.234: [mme] DEBUG: [MME] Update-Location-Answer (../src/mme/mme-fd-path.c:610)
03/17 16:56:55.234: [mme] DEBUG: Result Code: 2001 (../src/mme/mme-fd-path.c:651)
03/17 16:56:55.234: [mme] DEBUG: From 'hss.localdomain' (../src/mme/mme-fd-path.c:680)
03/17 16:56:55.234: [mme] DEBUG: ('localdomain') (../src/mme/mme-fd-path.c:693)
03/17 16:56:55.234: [mme] DEBUG: mme_state_operational(): MME_EVT_S6A_MESSAGE
(../src/mme/mme-sm.c:129)
03/17 16:56:55.234: [mme] DEBUG: mme_state_operational(): MME_EVT_ESM_MESSAGE
(../src/mme/mme-sm.c:129)
03/17 16:56:55.234: [mme] DEBUG: mme_bearer_find_or_add_by_message() [PTI:8, EBI:0] (../src/mme/mme-context.c:2847)
03/17 16:56:55.234: [esm] DEBUG: esm_state_initial(): ENTRY
(../src/mme/esm-sm.c:38)
03/17 16:56:55.234: [esm] DEBUG: esm_state_inactive(): ENTRY
(../src/mme/esm-sm.c:61)
03/17 16:56:55.234: [mme] INFO: Added a session. Number of sessions is now 1 (../src/mme/mme-context.c:79)
03/17 16:56:55.234: [esm] DEBUG: esm_state_inactive(): MME_EVT_ESM_MESSAGE
(../src/mme/esm-sm.c:61)
03/17 16:56:55.234: [esm] DEBUG: [ESM] PDN Connectivity request (../src/mme/esm-sm.c:82)
03/17 16:56:55.234: [esm] DEBUG: IMSI[311980000033212] PTI[8] EBI[5] (../src/mme/esm-sm.c:84)
03/17 16:56:55.234: [esm] DEBUG: EIT(ESM information transfer)[1] (../src/mme/esm-handler.c:59)
03/17 16:56:55.234: [esm] DEBUG: [ESM] ESM information request (../src/mme/esm-build.c:75)
03/17 16:56:55.234: [esm] DEBUG: IMSI[311980000033212] PTI[8] EBI[5] (../src/mme/esm-build.c:77)
03/17 16:56:55.235: [mme] DEBUG: [MME] DownlinkNASTransport (../src/mme/s1ap-build.c:186)
03/17 16:56:55.235: [mme] DEBUG: ENB_UE_S1AP_ID[41] MME_UE_S1AP_ID[17] (../src/mme/s1ap-build.c:231)
03/17 16:56:55.235: [mme] DEBUG: IP[10.100.108.9] ENB_ID[67177119] (../src/mme/s1ap-path.c:79)
03/17 16:56:55.269: [mme] DEBUG: mme_state_operational(): MME_EVT_S1AP_MESSAGE
(../src/mme/mme-sm.c:129)
03/17 16:56:55.270: [mme] DEBUG: s1ap_state_operational(): MME_EVT_S1AP_MESSAGE
(../src/mme/s1ap-sm.c:60)
03/17 16:56:55.270: [mme] DEBUG: [MME] Uplink NAS transport (../src/mme/s1ap-handler.c:330)
03/17 16:56:55.270: [mme] DEBUG: IP[10.100.108.9] ENB_ID[67177119] (../src/mme/s1ap-handler.c:347)
03/17 16:56:55.270: [mme] DEBUG: ENB_UE_S1AP_ID[41] MME_UE_S1AP_ID[17] (../src/mme/s1ap-handler.c:354)
03/17 16:56:55.270: [mme] DEBUG: mme_state_operational(): MME_EVT_ESM_MESSAGE
(../src/mme/mme-sm.c:129)
03/17 16:56:55.270: [mme] DEBUG: mme_bearer_find_or_add_by_message() [PTI:8, EBI:0] (../src/mme/mme-context.c:2847)
03/17 16:56:55.270: [esm] DEBUG: esm_state_inactive(): MME_EVT_ESM_MESSAGE
(../src/mme/esm-sm.c:61)
03/17 16:56:55.270: [esm] DEBUG: [ESM] ESM information response (../src/mme/esm-sm.c:93)
03/17 16:56:55.270: [esm] DEBUG: IMSI[311980000033212] PTI[8] EBI[5] (../src/mme/esm-sm.c:95)
03/17 16:56:55.270: [mme] DEBUG: [EMM] Attach reject (../src/mme/nas-path.c:134)
03/17 16:56:55.270: [mme] DEBUG: IMSI[311980000033212] Cause[8] (../src/mme/nas-path.c:135)
03/17 16:56:55.270: [esm] DEBUG: [ESM] PDN connectivity reject (../src/mme/esm-build.c:39)
03/17 16:56:55.270: [esm] DEBUG: IMSI[311980000033212] PTI[8] Cause[27] (../src/mme/esm-build.c:41)
03/17 16:56:55.271: [mme] DEBUG: [MME] DownlinkNASTransport (../src/mme/s1ap-build.c:186)
03/17 16:56:55.271: [mme] DEBUG: ENB_UE_S1AP_ID[41] MME_UE_S1AP_ID[17] (../src/mme/s1ap-build.c:231)
03/17 16:56:55.271: [mme] DEBUG: IP[10.100.108.9] ENB_ID[67177119] (../src/mme/s1ap-path.c:79)
03/17 16:56:55.271: [esm] DEBUG: esm_state_inactive(): EXIT
(../src/mme/esm-sm.c:61)
03/17 16:56:55.271: [esm] DEBUG: esm_state_exception(): ENTRY
(../src/mme/esm-sm.c:345)
03/17 16:56:55.271: [mme] DEBUG: [MME] UE Context release command (../src/mme/s1ap-path.c:285)
03/17 16:56:55.271: [mme] DEBUG: ENB_UE_S1AP_ID[41] MME_UE_S1AP_ID[17] (../src/mme/s1ap-path.c:287)
03/17 16:56:55.271: [mme] DEBUG: Group[3] Cause[0] Action[3] Delay[0] (../src/mme/s1ap-path.c:306)
03/17 16:56:55.271: [mme] DEBUG: IP[10.100.108.9] ENB_ID[67177119] (../src/mme/s1ap-path.c:79)
03/17 16:56:55.275: [mme] DEBUG: mme_state_operational(): MME_EVT_S1AP_MESSAGE
(../src/mme/mme-sm.c:129)
03/17 16:56:55.275: [mme] DEBUG: s1ap_state_operational(): MME_EVT_S1AP_MESSAGE
(../src/mme/s1ap-sm.c:60)
03/17 16:56:55.275: [mme] DEBUG: [MME] UE Context release complete (../src/mme/s1ap-handler.c:919)
03/17 16:56:55.276: [mme] DEBUG: IP[10.100.108.9] ENB_ID[67177119] (../src/mme/s1ap-handler.c:933)
03/17 16:56:55.276: [mme] DEBUG: ENB_UE_S1AP_ID[41] MME_UE_S1AP_ID[17] (../src/mme/s1ap-handler.c:950)
03/17 16:56:55.276: [mme] DEBUG: Action: UE context remove() (../src/mme/s1ap-handler.c:963)
03/17 16:56:55.276: [mme] INFO: Removed a UE. Number of UEs is now 0 (../src/mme/mme-context.c:63)
03/17 16:56:55.276: [emm] DEBUG: emm_state_initial_context_setup(): EXIT