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david at ispsupplies.com david at ispsupplies.comI will get you a pcap. The UE actually don’t have an APN listed by default. <http://www.ispsupplies.com/> David Peterson Senior Engineer 855-947-7776 ext. 9214 c 419-706-7355 d 979-314-1305 <https://www.ispsupplies.com/> https://www.ispsupplies.com <https://facebook.com/ispsupplies> <https://twitter.com/ispsupplies> <https://www.linkedin.com/company/isp-supplies/> From: Sukchan Lee <acetcom at gmail.com> Sent: Saturday, March 28, 2020 7:58 PM To: david at ispsupplies.com Cc: nextepc at lists.osmocom.org Subject: Re: Reject message Even though UE try to connect without APN, if you set the first APN(default APN) to the mongoDB, open5gs won't reject the UE request. If the problem is still not resolved, I need your pcap file to fix the issue. On Fri, Mar 27, 2020 at 12:10 PM <david at ispsupplies.com <mailto:david at ispsupplies.com> > wrote: 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. <https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.ispsupplies.com%2f&c=E,1,wcaYtnynaasxY97EYOlB6V1xEgpRFbTfBm2LjkRzdBiWEDzAM9ktHYxj_oKjau1JWcNpsK3L8wdQFIQPSGJly4cUlTTcS9Mif5SN58JlnQKYdg,,&typo=1> David Peterson Senior Engineer 855-947-7776 ext. 9214 c 419-706-7355 d 979-314-1305 <https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.ispsupplies.com%2f&c=E,1,hqZUrWGFPU6LgM_xFgE3Z39_sM15u7mOusOduTywCZEbm3711-I6xcaUsKBTixmOYjY2r6OjT7bJzxX-SxiflrCJ1V1lBcxzEQQQa7k9&typo=1> https://www.ispsupplies.com <https://facebook.com/ispsupplies> <https://twitter.com/ispsupplies> <https://www.linkedin.com/company/isp-supplies/> From: Sukchan Lee <acetcom at gmail.com <mailto:acetcom at gmail.com> > Sent: Friday, March 27, 2020 11:57 AM To: david at ispsupplies.com <mailto:david at ispsupplies.com> Cc: nextepc at lists.osmocom.org <mailto:nextepc at 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 at ispsupplies.com <mailto: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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/nextepc/attachments/20200328/f6f58405/attachment.htm> -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 19638 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/nextepc/attachments/20200328/f6f58405/attachment.png> -------------- next part -------------- A non-text attachment was scrubbed... Name: image002.jpg Type: image/jpeg Size: 701 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/nextepc/attachments/20200328/f6f58405/attachment.jpg> -------------- next part -------------- A non-text attachment was scrubbed... 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