OpenBSC GPRS Question

[Sergey V. Efimov]

Hello,

I used step-by-step instruction from the osmocom.org site.

Here is my openbsc config:

====
e1_input
 e1_line 0 driver ipa
network
 network country code 250
 mobile network code 77
 short name ABC
 long name ABC
 auth policy accept-all
 location updating reject cause 13
 encryption a5 0
 neci 1
 rrlp mode none
 mm info 1
 handover 0
 handover window rxlev averaging 10
 handover window rxqual averaging 1
 handover window rxlev neighbor averaging 10
 handover power budget interval 6
 handover power budget hysteresis 3
 handover maximum distance 9999
 timer t3101 10
 timer t3103 0
 timer t3105 0
 timer t3107 0
 timer t3109 4
 timer t3111 0
 timer t3113 60
 timer t3115 0
 timer t3117 0
 timer t3119 0
 timer t3141 0
 bts 0
  type nanobts
  band DCS1800
  cell_identity 0
  location_area_code 1
  training_sequence_code 7
  base_station_id_code 63
  ms max power 15
  cell reselection hysteresis 4
  rxlev access min 0
  channel allocator ascending
  rach tx integer 9
  rach max transmission 7
  ip.access unit_id 1234 0
  oml ip.access stream_id 255 line 0
  gprs mode gprs
  gprs routing area 0
  gprs cell bvci 2
  gprs nsei 101
  gprs nsvc 0 nsvci 101
  gprs nsvc 0 local udp port 23000
  gprs nsvc 0 remote udp port 23000
  gprs nsvc 0 remote ip 192.168.168.98
  trx 0
   rf_locked 0
   arfcn 666
   nominal power 23
   max_power_red 20
   rsl e1 tei 0
    timeslot 0
     phys_chan_config CCCH+SDCCH4
    timeslot 1
     phys_chan_config PDCH
    timeslot 2
     phys_chan_config PDCH
    timeslot 3
     phys_chan_config TCH/F
    timeslot 4
     phys_chan_config TCH/F
    timeslot 5
     phys_chan_config TCH/F
    timeslot 6
     phys_chan_config TCH/F
    timeslot 7
     phys_chan_config TCH/F
====

Here is my osmo-sgsn.cfg

====
sgsn
 gtp local-ip 192.168.168.98
 ggsn 0 remote-ip 192.168.168.230
 ggsn 0 gtp-version 1
!
ns
 timer tns-block 3
 timer tns-block-retries 3
 timer tns-reset 3
 timer tns-reset-retries 3
 timer tns-test 30
 timer tns-alive 3
 timer tns-alive-retries 10
 encapsulation udp local-ip 192.168.168.98
 encapsulation udp local-port 23000
 encapsulation framerelay-gre enabled 0

====

Here is my ggsn.cfg

===
listen 192.168.168.230
net 192.168.168.0/24
dynip 192.168.168.240/30
===

Here is my open-bts.cfg

===
bts 0
 band 1800
 ipa unit-id 1234 0
 oml remote-ip 192.168.168.98
===

Regards,
Sergey.

On Aug 14, 2013, at 8:17 PM, Holger Hans Peter Freyther wrote:

> On Wed, Aug 14, 2013 at 07:42:30PM +0400, Sergey V. Efimov wrote:
>> Hello All,
>> 
>> <0011> gprs_bssgp.c:1000 NSEI=101/BVCI=2 Rejecting PDU type 1 for unknown BVCI
>> <0011> gprs_bssgp_util.c:103 BSSGP BVCI=0 Tx STATUS, cause=Unknown BVCI
>> <0011> gprs_bssgp.c:1000 NSEI=101/BVCI=2 Rejecting PDU type 1 for unknown BVCI
>> <0011> gprs_bssgp_util.c:103 BSSGP BVCI=0 Tx STATUS, cause=Unknown BVCI
> 
> without your NITB/BSC config it is difficult to judge. What doesn't work for
> sure is to restart the SGSN once the PCU has exchanged some messages with it.
> 
> 
> holger
> 
>