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Re: [Openbts-discuss] Problem with GPRS via OpenBTS
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From: Damon <qiu...@gm...> - 2013-07-26 08:16:57
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Hi all, The APN is set to be: /////////////////////////////////////////////////////////////////////////////// Name: CMNET APN: cmnet other configurations are set to be default. /////////////////////////////////////////////////////////////////////////////// My Nokia 5233 can download websites. But my Android phone can't. No packages were captured at tun0 interface by the Wireshark. In ggsn: Received create PDP context request Deleting PDP context Received create PDP context request Deleting PDP context Received create PDP context request Deleting PDP context Received create PDP context request Deleting PDP context In sgsn: <0011> gprs_bssgp.c:376 BSSGP TLLI=0xbbe69376 Rx UPLINK-UNITDATA <0012> gprs_llc.c:502 LLC SAPI=1 C FCS=0x1b9aceCMD=UI DATA <0012> gprs_llc.c:142 TLLI 0xbbe69376 is foreign, converting to local TLLI 0xfbe69376 <0012> gprs_llc.c:782 LLC RX: unknown TLLI 0xbbe69376, creating LLME on the fly <0002> gprs_gmm.c:640 -> GMM ATTACH REQUEST MI(2078708598) type="GPRS attach" <0002> gprs_gmm.c:444 <- GPRS IDENTITY REQUEST: mi_type=02 <0012> gprs_llc.c:142 TLLI 0xbbe69376 is foreign, converting to local TLLI 0xfbe69376 <0012> gprs_llc.c:368 LLC TX: unknown TLLI 0xbbe69376, creating LLME on the fly <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC <0011> gprs_bssgp.c:376 BSSGP TLLI=0xbbe69376 Rx UPLINK-UNITDATA <0012> gprs_llc.c:502 LLC SAPI=1 C FCS=0xd12c74CMD=UI DATA <0012> gprs_llc.c:142 TLLI 0xbbe69376 is foreign, converting to local TLLI 0xfbe69376 <0012> gprs_llc.c:782 LLC RX: unknown TLLI 0xbbe69376, creating LLME on the fly <0002> gprs_gmm.c:582 -> GMM IDENTITY RESPONSE: mi_type=0x02 MI(866908010000620) <0002> gprs_gmm.c:444 <- GPRS IDENTITY REQUEST: mi_type=01 <0012> gprs_llc.c:142 TLLI 0xbbe69376 is foreign, converting to local TLLI 0xfbe69376 <0012> gprs_llc.c:368 LLC TX: unknown TLLI 0xbbe69376, creating LLME on the fly <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC <0011> gprs_bssgp.c:376 BSSGP TLLI=0xbbe69376 Rx UPLINK-UNITDATA <0012> gprs_llc.c:502 LLC SAPI=1 C FCS=0x4372f9CMD=UI DATA <0012> gprs_llc.c:142 TLLI 0xbbe69376 is foreign, converting to local TLLI 0xfbe69376 <0012> gprs_llc.c:782 LLC RX: unknown TLLI 0xbbe69376, creating LLME on the fly <0002> gprs_gmm.c:582 -> GMM IDENTITY RESPONSE: mi_type=0x01 MI(001010123456789) <0002> gprs_gmm.c:352 <- GPRS ATTACH ACCEPT (new P-TMSI=0x3477cc83) <0012> gprs_llc.c:142 TLLI 0xbbe69376 is foreign, converting to local TLLI 0xfbe69376 <0012> gprs_llc.c:368 LLC TX: unknown TLLI 0xbbe69376, creating LLME on the fly <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC <0011> gprs_bssgp.c:376 BSSGP TLLI=0xf477cc83 Rx UPLINK-UNITDATA <0012> gprs_llc.c:502 LLC SAPI=1 C FCS=0xea1c55CMD=UI DATA <0002> gprs_gmm.c:1052 -> ATTACH COMPLETE <0011> gprs_bssgp.c:376 BSSGP TLLI=0xf477cc83 Rx UPLINK-UNITDATA <0012> gprs_llc.c:502 LLC SAPI=1 C FCS=0x75db42CMD=UI DATA <0002> gprs_gmm.c:1319 -> ACTIVATE PDP CONTEXT REQ: SAPI=3 NSAPI=5 IETF IPv4 <000f> sgsn_libgtp.c:126 Create PDP Context <000f> sgsn_libgtp.c:370 libgtp cb_conf(type=16, cause=128, pdp=0xb73991a0, cbp=0x99a70e8) <000f> sgsn_libgtp.c:265 Received CREATE PDP CTX CONF, cause=128(Request accepted) <0013> gprs_sndcp.c:297 SNSM-ACTIVATE.ind (lle=0x99a9c68 TLLI=f477cc83, SAPI=3, NSAPI=5) <0002> gprs_gmm.c:1197 <- ACTIVATE PDP CONTEXT ACK <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC . . . <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC <0011> gprs_bssgp.c:376 BSSGP TLLI=0xf477cc83 Rx UPLINK-UNITDATA <0012> gprs_llc.c:502 LLC SAPI=1 C FCS=0x819789CMD=UI DATA <0002> gprs_gmm.c:1432 -> DEACTIVATE PDP CONTEXT REQ (cause: Regular deactivation) <000f> sgsn_libgtp.c:212 Delete PDP Context <000f> sgsn_libgtp.c:393 PDP Context was deleted <000f> sgsn_libgtp.c:370 libgtp cb_conf(type=20, cause=128, pdp=(nil), cbp=0x99a70e8) <000f> sgsn_libgtp.c:312 Received DELETE PDP CTX CONF, cause=128(Request accepted) <0013> gprs_sndcp.c:320 SNSM-DEACTIVATE.ind (lle=0x99a9c68, TLLI=f477cc83, SAPI=3, NSAPI=5) <0002> gprs_gmm.c:1290 <- DEACTIVATE PDP CONTEXT ACK <0011> gprs_bssgp.c:376 BSSGP TLLI=0xf477cc83 Rx UPLINK-UNITDATA <0012> gprs_llc.c:502 LLC SAPI=3 C FCS=0x276ebcCMD=UI DATA <0013> gprs_sndcp.c:536 Message for non-existing SNDCP Entity (lle=0x99a9c68, TLLI=f477cc83, SAPI=3, NSAPI=5) <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC <0011> gprs_bssgp.c:376 BSSGP TLLI=0xf477cc83 Rx UPLINK-UNITDATA <0012> gprs_llc.c:502 LLC SAPI=1 C FCS=0x7193b5CMD=UI DATA <0002> gprs_gmm.c:1319 -> ACTIVATE PDP CONTEXT REQ: SAPI=3 NSAPI=5 IETF IPv4 <000f> sgsn_libgtp.c:126 Create PDP Context <000f> sgsn_libgtp.c:370 libgtp cb_conf(type=16, cause=128, pdp=0xb73991a0, cbp=0x99a70e8) <000f> sgsn_libgtp.c:265 Received CREATE PDP CTX CONF, cause=128(Request accepted) <0013> gprs_sndcp.c:297 SNSM-ACTIVATE.ind (lle=0x99a9c68 TLLI=f477cc83, SAPI=3, NSAPI=5) <0002> gprs_gmm.c:1197 <- ACTIVATE PDP CONTEXT ACK <0011> gprs_bssgp.c:753 BSSGP BVCI=7 Rx Flow Control BVC In PCU: <0001> pcu_l1_if.cpp:296 RACH request received: sapi=1 qta=1, ra=123, fn=950045 <0002> gprs_rlcmac_data.cpp:1901 Got IMM.ASS confirm, but rest octets do not start with bit sequence 'HH01' (Packet Downlink Assignment) <0008> gprs_rlcmac.cpp:1793 LLC [PCU -> SGSN] TFI: 0 TLLI: 0xbbe69376 len=48 <0008> gprs_bssgp_pcu.cpp:147 LLC [SGSN -> PCU] = TLLI: 0xbbe69376 IMSI: 000 len: 9 <0007> gprs_rlcmac_meas.cpp:102 UL RSSI of TLLI=0xbbe69376: -32 dBm <0001> pcu_l1_if.cpp:296 RACH request received: sapi=1 qta=1, ra=120, fn=950349 <0002> gprs_rlcmac_data.cpp:1901 Got IMM.ASS confirm, but rest octets do not start with bit sequence 'HH01' (Packet Downlink Assignment) <0005> gprs_rlcmac_data.cpp:915 Got RACH from TLLI=0xbbe69376 while DL TBF=0 still exists. Killing pending DL TBF <0007> gprs_rlcmac_meas.cpp:157 DL packet loss of IMSI=000 / TLLI=0xbbe69376: 0% <0008> gprs_rlcmac.cpp:1793 LLC [PCU -> SGSN] TFI: 0 TLLI: 0xbbe69376 len=17 <0008> gprs_bssgp_pcu.cpp:147 LLC [SGSN -> PCU] = TLLI: 0xbbe69376 IMSI: 000 len: 9 <0007> gprs_rlcmac_meas.cpp:102 UL RSSI of TLLI=0xbbe69376: -27 dBm <0002> gprs_rlcmac_data.cpp:100 Poll timeout for DL TBF=0 <0002> gprs_rlcmac_data.cpp:180 - Timeout for polling PACKET DOWNLINK ACK. <0002> gprs_rlcmac_data.cpp:84 - Assignment was on PACCH <0002> gprs_rlcmac_data.cpp:92 - No downlink ACK received yet <0002> gprs_rlcmac_data.cpp:390 Recovered downlink ack for DL TBF=0 <0001> pcu_l1_if.cpp:296 RACH request received: sapi=1 qta=1, ra=120, fn=950711 <0002> gprs_rlcmac_data.cpp:1901 Got IMM.ASS confirm, but rest octets do not start with bit sequence 'HH01' (Packet Downlink Assignment) <0005> gprs_rlcmac_data.cpp:915 Got RACH from TLLI=0xbbe69376 while DL TBF=0 still exists. Killing pending DL TBF <0007> gprs_rlcmac_meas.cpp:157 DL packet loss of IMSI=000 / TLLI=0xbbe69376: 0% <0008> gprs_rlcmac.cpp:1793 LLC [PCU -> SGSN] TFI: 0 TLLI: 0xbbe69376 len=17 <0008> gprs_bssgp_pcu.cpp:147 LLC [SGSN -> PCU] = TLLI: 0xbbe69376 IMSI: 001010123456789 len: 24 <0007> gprs_rlcmac_meas.cpp:102 UL RSSI of TLLI=0xf477cc83: -26 dBm <0001> pcu_l1_if.cpp:296 RACH request received: sapi=1 qta=1, ra=121, fn=951002 <0002> gprs_rlcmac_data.cpp:1901 Got IMM.ASS confirm, but rest octets do not start with bit sequence 'HH01' (Packet Downlink Assignment) <0008> gprs_rlcmac.cpp:1793 LLC [PCU -> SGSN] TFI: 0 TLLI: 0xf477cc83 len=8 <0008> gprs_rlcmac.cpp:1793 LLC [PCU -> SGSN] TFI: 0 TLLI: 0xf477cc83 len=47 <0008> gprs_bssgp_pcu.cpp:147 LLC [SGSN -> PCU] = TLLI: 0xf477cc83 IMSI: 001010123456789 len: 55 <0007> gprs_rlcmac_meas.cpp:157 DL packet loss of IMSI=001010123456789 / TLLI=0xbbe69376: 0% <0007> gprs_rlcmac_meas.cpp:102 UL RSSI of TLLI=0xf477cc83: -26 dBm <0007> gprs_rlcmac_meas.cpp:157 DL packet loss of IMSI=001010123456789 / TLLI=0xf477cc83: 0% Best regards, Damon > You should change APN on your phone, just remove proxy: 10.0.0.172 and > use APN without proxy. > > > 2013/7/23 Damon <qiu...@gm... > <mailto:qiu...@gm...>> > > Hi Kluchnikov, > > Thanks for your reply. > I am using a Nokia 1120 and an Android phone made in China. > The APN of Nokia 1120 is set to default, because it is not allowed > to change or create a APN in this Feature phone. > We have try to use the default APN named CMNET for the Android > phone. We found that packages were sent to 10.0.0.172, but no > package returned. > > Best regards, > Damon > >> Hi Damon, >> >> From the BTS side everything looks fine. >> Your phone was attached and PDP context was created. >> So it seems, that you have some problems with phone settings. >> What phone do you use? >> Also, you shouldn't use any proxy server (especially China Mobile >> proxy server ) and you shouldn't build your own APN server, just >> try to use the same APN on your phone, but without proxy and >> check results with wireshark. >> >> >> 2013/7/23 Damon <qiu...@gm... >> <mailto:qiu...@gm...>> >> >> Hi all, >> I have created a new APN on the phone according to the China >> Mobile: >> /////////////////////////////////////////////////////////////////////////////////// >> Name: CMNET >> APN: cmnet >> APN type: default, supl, net >> proxy: 10.0.0.172 >> port: 80 >> MCC: 460 >> MNC: 02 >> other configurations are set to be default. >> /////////////////////////////////////////////////////////////////////////////////// >> When my GPRS system is running, Wireshark is employed to >> capture the >> relative packages. The wireshark shows that several packages >> are sent to >> 10.0.0.172, but there are not packages return. Why? Do I need >> to build >> my own APN server? Are there any relevant materials about >> building an >> APN server? >> >> Best regards, >> Damon >> >> ------------------------------------------------------------------------------ >> See everything from the browser to the database with AppDynamics >> Get end-to-end visibility with application monitoring from >> AppDynamics >> Isolate bottlenecks and diagnose root cause in seconds. >> Start your free trial of AppDynamics Pro today! >> http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk >> _______________________________________________ >> Openbts-discuss mailing list >> Ope...@li... >> <mailto:Ope...@li...> >> https://lists.sourceforge.net/lists/listinfo/openbts-discuss >> >> >> >> >> -- >> Regards, >> Ivan Kluchnikov. >> http://fairwaves.ru <http://fairwaves.ru/> > > > ------------------------------------------------------------------------------ > See everything from the browser to the database with AppDynamics > Get end-to-end visibility with application monitoring from AppDynamics > Isolate bottlenecks and diagnose root cause in seconds. > Start your free trial of AppDynamics Pro today! > http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk > _______________________________________________ > Openbts-discuss mailing list > Ope...@li... > <mailto:Ope...@li...> > https://lists.sourceforge.net/lists/listinfo/openbts-discuss > > > > > -- > Regards, > Ivan Kluchnikov. > http://fairwaves.ru <http://fairwaves.ru/> |