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David Perez david at taddong.comHi, In order to get more information, you may telnet into osmo-sgsn on port 4245 (telnet localhost 4245), and type: --- logging enable logging filter all 1 logging level mm debug --- HTH. ---- David Perez Founder & Senior Security Analyst Taddong david at taddong.com | +34-699982432 | www.taddong.com ---- 20sep12 1808 On 20-Sep-12 18:00, ☎ wrote: > 19.09.2012 17:48, Peter Stuge пишет: >> ☎ wrote: >>> I have similar setup although in my case it doesn't work at all. >> .. >>> /etc/osmo_sgsn.cfg: >> .. >>> ns >> .. >>> encapsulation udp local-ip 192.168.10.53 >>> encapsulation udp local-port 23000 >> >>> /etc/openbsc.cfg: >> .. >>> bts 0 >> .. >>> gprs nsvc 0 local udp port 23000 >>> gprs nsvc 0 remote udp port 23000 >>> gprs nsvc 0 remote ip 192.168.10.53 >> >> I don't think both processes can use the same port; move one of them >> and configure the other accordingly. > > Thanks for suggestion. > > Now it looks like this: > > /etc/osmo_sgsn.cfg: > ... > encapsulation udp local-ip 192.168.10.53 > encapsulation udp local-port 23333 > ... > > /etc/openbsc.cfg: > ... > gprs nsvc 0 local udp port 23000 > gprs nsvc 0 remote udp port 23333 > gprs nsvc 0 remote ip 192.168.10.53 > ... > > Still no luck :( > > How to obtain as much debug information as possible? > > ggsn -d > osmo-sgsn -d GPRS (this causes core-dump unless executed in gdb :) > osmo-nitb -a -d GPRS > > The only output I got in this configuration is: > > Starting program: /usr/bin/osmo-sgsn > <0011> gprs_ns.c:171 NSVCI=65534 Creating NS-VC > <0011> gprs_ns.c:171 NSVCI=65535 Creating NS-VC > <0011> gprs_ns.c:806 Creating NS-VC for BSS at 192.168.10.55:23000 > <0011> gprs_ns.c:679 NSEI=65535 Rx NS RESET (NSVCI=0, cause=O&M intervention) > <0011> gprs_ns.c:538 NSEI=101 Tx NS RESET ACK (NSVCI=101) > <0011> gprs_ns.c:865 NSEI=101 Rx NS UNBLOCK > <0012> gprs_bssgp.c:249 BSSGP BVCI=0 Rx RESET cause=Transmission capacity modified > <0012> gprs_bssgp.c:344 BSSGP BVCI=2 Rx BVC-UNBLOCK > <0012> gprs_bssgp_util.c:103 BSSGP BVCI=2 Tx STATUS, cause=Unknown BVCI > <0012> gprs_bssgp.c:249 BSSGP BVCI=2 Rx RESET cause=O&M intervention > <0012> gprs_bssgp.c:272 Cell 1-1-1-0 CI 0 on BVCI 2 > <0012> gprs_bssgp.c:344 BSSGP BVCI=2 Rx BVC-UNBLOCK > <0012> gprs_bssgp.c:747 BSSGP BVCI=2 Rx Flow Control BVC > > I don't even understand if phone requested ip address? > Was ip address assigned? > Is ggsn-sgsn-nitb connectivity ok? > > It's good that howto briefly describes setup, but what do to when it's not working > out of the box? > > Any troubleshooting tips? > Anyone with working gprs setup willing to share configuration files as a point of > reference? >