osmo-bsc show connections
Hi, I cannot find a description of this command in the manual. This is very useful to debug ms, antennas and radio. OsmoBSC> show conn Active subscriber connections: conn ID=232, MSC=0, hodec2_fail=0, mgw_ep=rtpbridge/1@mgw BTS 1, TRX 0, Timeslot 1, Lchan 0: Type TCH_F Connection: 1, State: ESTABLISHED BS Power: 0 dBm, MS Power: 10 dBm Channel Mode / Codec: SPEECH_V1 No Subscriber Bound IP: 192.168.1.75 Port 16404 RTP_TYPE2=0 CONN_ID=0 Conn. IP: 192.168.1.70 Port 4084 RTP_TYPE=3 SPEECH_MODE=0x00 Measurement Report: Flags: MS Timing Offset: 0 L1 MS Power: 10 dBm, Timing Advance: 4 RXL-FULL-dl: -73 dBm, RXL-SUB-dl: -73 dBm RXQ-FULL-dl: 0, RXQ-SUB-dl: 0 RXL-FULL-ul: -57 dBm, RXL-SUB-ul: -58 dBm RXQ-FULL-ul: 0, RXQ-SUB-ul: 0 I guess "dl" means downlink, from BTS to MS, and "ul" means uplink, MS to BTS. But, what is the difference between FULL and SUB ? What does the two rightmost items mean, those which are 0 in the above? What does the "No Subscriber" mean, should that be IMSI ? Still on the subject of LimeSDR Mini, now debugging radio and antenna arrangements. Regards, Gullik
I can answer one of the questions: On Tue, Feb 12, 2019 at 12:17:40PM +0100, Gullik Webjorn wrote:
What does the "No Subscriber" mean, should that be IMSI ?
Yes. osmo-bsc doesn't know the subscriber's IMSI most of the time: the L3 containing it mostly passes through. There is a message to officially tell osmo-bsc the IMSI (Common Id) but so far we are not sending it from osmo-msc... https://osmocom.org/issues/2969 ~N
Thanks, I think it would be useful to snoop the IMSI or pass it downstream from MSC, at least for debugging / logging purposes. I am lucky to just try ONE phone at the time... Gullik On 2019-02-12 14:44, Neels Hofmeyr wrote:
I can answer one of the questions:
On Tue, Feb 12, 2019 at 12:17:40PM +0100, Gullik Webjorn wrote:
What does the "No Subscriber" mean, should that be IMSI ? Yes.
osmo-bsc doesn't know the subscriber's IMSI most of the time: the L3 containing it mostly passes through. There is a message to officially tell osmo-bsc the IMSI (Common Id) but so far we are not sending it from osmo-msc...
https://osmocom.org/issues/2969
~N
Hi Gullik, On Tue, Feb 12, 2019 at 08:05:54PM +0100, Gullik Webjorn wrote:
I think it would be useful to snoop the IMSI or pass it downstream from MSC, at least for debugging / logging purposes. I am lucky to just try ONE phone at the time...
Sure. It's simply not been a priority for anyone working on the code so far :/ We'd be very happy to receive and merge related patches. The most "proper" way to do it in line with the specs is to implement the "Common ID" procedure where the MSC informs the BSC of the IMSI very early after establishing the SCCP connection. If that's implemented in both OsmoMSC and OsmoBSC, it would work reliably at least for this most common use case. -- - Harald Welte <laforge@gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)
http://www.telecomsource.net/showthread.php?293-What-is-the-diffrerence-betw... Ah.. internet... 😛 On February 12, 2019 11:17:40 AM UTC, Gullik Webjorn <gullik.webjorn@corevalue.se> wrote:
Hi,
I cannot find a description of this command in the manual. This is very
useful to debug ms, antennas and radio.
OsmoBSC> show conn Active subscriber connections: conn ID=232, MSC=0, hodec2_fail=0, mgw_ep=rtpbridge/1@mgw BTS 1, TRX 0, Timeslot 1, Lchan 0: Type TCH_F Connection: 1, State: ESTABLISHED BS Power: 0 dBm, MS Power: 10 dBm Channel Mode / Codec: SPEECH_V1 No Subscriber Bound IP: 192.168.1.75 Port 16404 RTP_TYPE2=0 CONN_ID=0 Conn. IP: 192.168.1.70 Port 4084 RTP_TYPE=3 SPEECH_MODE=0x00 Measurement Report: Flags: MS Timing Offset: 0 L1 MS Power: 10 dBm, Timing Advance: 4 RXL-FULL-dl: -73 dBm, RXL-SUB-dl: -73 dBm RXQ-FULL-dl: 0, RXQ-SUB-dl: 0 RXL-FULL-ul: -57 dBm, RXL-SUB-ul: -58 dBm RXQ-FULL-ul: 0, RXQ-SUB-ul: 0
I guess "dl" means downlink, from BTS to MS, and "ul" means uplink, MS to BTS.
But, what is the difference between FULL and SUB ? What does the two rightmost items mean, those which are 0 in the above? What does the "No Subscriber" mean, should that be IMSI ?
Still on the subject of LimeSDR Mini, now debugging radio and antenna arrangements.
Regards, Gullik
Thanks for the pointer, Regards, Gullik On 2019-02-12 16:50, k@rhizomatica.org wrote:
http://www.telecomsource.net/showthread.php?293-What-is-the-diffrerence-betw...
participants (4)
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Gullik Webjorn -
Harald Welte -
k＠rhizomatica.org -
Neels Hofmeyr