Reject message

Sukchan Lee acetcom at gmail.com
Fri Mar 27 15:56:44 UTC 2020


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 at 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
>
>
>
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