[srslte-users] srslte-users Digest, Vol 44, Issue 12

Jason N mbzoutlaw at gmail.com
Mon Nov 12 18:41:31 UTC 2018 

Sorry to respond almost a month later.  I have updated to the latest
srsLTE.  I tried this with an iPhone 6 and a Nexus 5x.  Same errors.  See
attached log files and users db.



On Tue, Oct 16, 2018 at 8:38 AM <
srslte-users-request at lists.softwareradiosystems.com> wrote:

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> Today's Topics:
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>    1. Re: iPhone registration (Pedro Alvarez)
>    2. Re: iPhone registration (Kewin Rausch)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 15 Oct 2018 15:22:12 +0100
> From: Pedro Alvarez <pedro.alvarez at softwareradiosystems.com>
> To: mbzoutlaw at gmail.com
> Cc: srslte-users <srslte-users at lists.softwareradiosystems.com>
> Subject: Re: [srslte-users] iPhone registration
> Message-ID:
>         <
> CACYSAhehogR-XWrqHtxAqj-7hMM5DMKG0Pf_9pQfvuX+r8eUmg at mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> Jason --
>
> srsLTE version 18.03 is a bit old. There were some bugs in the EPC
> regarding the handling of the OP code and the re-synch procedures that
> got fixed in newer releases. Could you try the latest public version,
> 18.09?
>
> If the problem persists, can you please resend the logs and the
> epc.conf and users_db.csv?
>
> Regards,
> Pedro
> On Mon, Oct 15, 2018 at 3:01 PM Jason N <mbzoutlaw at gmail.com> wrote:
> >
> > Thanks Kewin,
> >
> > I did change the AMF to 8000.  I do see where the SQN is being added and
> incremented now.  Still having the same problem.  I have verified the OPc
> and Ki and IMSI.  What else could this be?  I have attached new logs and
> pcap files.
> >
> > On Fri, Oct 12, 2018 at 2:44 AM Kewin Rausch <krausch at fbk.eu> wrote:
> >>
> >> Hi there,
> >>
> >> For SQN it should be fine to leave it to 0; will be updated as the
> connection succeed.
> >> Try to set AMF to 8000.
> >>
> >> Cheers,
> >> Kewin R.
> >>
> >> On Fri, Oct 12, 2018 at 6:54 AM Jason N <mbzoutlaw at gmail.com> wrote:
> >>>
> >>> I am running an Ettus b205mini board.  srsLTE version 18.03.01.   I am
> using a known IMSI with Ki and OPC codes.  I don’t know the AMF or SQN so I
> set them as 0.  I have set milenage algorithm. The UE can see the base
> station and requests a connection, but I get an MAC error.
> >>>
> >>>
> >>>
> >>> Where can I get the SQN and AMF?  I have attached the log files.
> >>>
> >>>
> >>>
> >>> Thanks for your help
> >>>
> >>> _______________________________________________
> >>> srslte-users mailing list
> >>> srslte-users at lists.softwareradiosystems.com
> >>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
> >>
> >>
> >> --
> >> Le informazioni contenute nella presente comunicazione sono di natura
> privata e come tali sono da considerarsi riservate ed indirizzate
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> legate al relativo contenuto. Se avete ricevuto questo messaggio per
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> all’indirizzo e-mail del mittente.
> >> --
> >> The information transmitted is intended only for the person or entity
> to which it is addressed and may contain confidential and/or privileged
> material. If you received this in error, please contact the sender and
> delete the material.
> >
> > _______________________________________________
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> > srslte-users at lists.softwareradiosystems.com
> > http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 15 Oct 2018 16:25:13 +0200
> From: Kewin Rausch <krausch at fbk.eu>
> To: Pedro Alvarez <pedro.alvarez at softwareradiosystems.com>
> Cc: srslte-users <srslte-users at lists.softwareradiosystems.com>, Jason
>         N <mbzoutlaw at gmail.com>
> Subject: Re: [srslte-users] iPhone registration
> Message-ID:
>         <CAFN=
> RORSK_7+skEDYMMq+9SiGD3x8kj-Lb+CxarVJzdgc_cUTg at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> I agree with Pedro.
>
> The problem here is a MAC failure: 09:49:03.920613 [S1AP] [I] MAC code
> failure. I have this problem when the EPC does not want to proceed with the
> authentication, and I solve it by revewing db info. From Google you can
> also get:
>
> MAC code failure: If the UE finds that the MAC code supplied by the core
> > network in the AUTN parameter is invalid, then the UE shall send an
> > AUTHENTICATION FAILURE message to the network, with the EMM cause #20
> "MAC
> > failure". The network may initiate an identification procedure to obtain
> > the IMSI from the UE or may also decides to terminate the authentication
> > procedure
>
>
> This is probably due the CN not trying to authenticate the UE. Try to
> update everything to a newer version, maintaining same DB and
> configuration.
>
> Kewin R.
>
>
> On Mon, Oct 15, 2018 at 4:22 PM Pedro Alvarez <
> pedro.alvarez at softwareradiosystems.com> wrote:
>
> > Jason --
> >
> > srsLTE version 18.03 is a bit old. There were some bugs in the EPC
> > regarding the handling of the OP code and the re-synch procedures that
> > got fixed in newer releases. Could you try the latest public version,
> > 18.09?
> >
> > If the problem persists, can you please resend the logs and the
> > epc.conf and users_db.csv?
> >
> > Regards,
> > Pedro
> > On Mon, Oct 15, 2018 at 3:01 PM Jason N <mbzoutlaw at gmail.com> wrote:
> > >
> > > Thanks Kewin,
> > >
> > > I did change the AMF to 8000.  I do see where the SQN is being added
> and
> > incremented now.  Still having the same problem.  I have verified the OPc
> > and Ki and IMSI.  What else could this be?  I have attached new logs and
> > pcap files.
> > >
> > > On Fri, Oct 12, 2018 at 2:44 AM Kewin Rausch <krausch at fbk.eu> wrote:
> > >>
> > >> Hi there,
> > >>
> > >> For SQN it should be fine to leave it to 0; will be updated as the
> > connection succeed.
> > >> Try to set AMF to 8000.
> > >>
> > >> Cheers,
> > >> Kewin R.
> > >>
> > >> On Fri, Oct 12, 2018 at 6:54 AM Jason N <mbzoutlaw at gmail.com> wrote:
> > >>>
> > >>> I am running an Ettus b205mini board.  srsLTE version 18.03.01.   I
> am
> > using a known IMSI with Ki and OPC codes.  I don’t know the AMF or SQN
> so I
> > set them as 0.  I have set milenage algorithm. The UE can see the base
> > station and requests a connection, but I get an MAC error.
> > >>>
> > >>>
> > >>>
> > >>> Where can I get the SQN and AMF?  I have attached the log files.
> > >>>
> > >>>
> > >>>
> > >>> Thanks for your help
> > >>>
> > >>> _______________________________________________
> > >>> srslte-users mailing list
> > >>> srslte-users at lists.softwareradiosystems.com
> > >>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
> > >>
> > >>
> > >> --
> > >> Le informazioni contenute nella presente comunicazione sono di natura
> > privata e come tali sono da considerarsi riservate ed indirizzate
> > esclusivamente ai destinatari indicati e per le finalità strettamente
> > legate al relativo contenuto. Se avete ricevuto questo messaggio per
> > errore, vi preghiamo di eliminarlo e di inviare una comunicazione
> > all’indirizzo e-mail del mittente.
> > >> --
> > >> The information transmitted is intended only for the person or entity
> > to which it is addressed and may contain confidential and/or privileged
> > material. If you received this in error, please contact the sender and
> > delete the material.
> > >
> > > _______________________________________________
> > > srslte-users mailing list
> > > srslte-users at lists.softwareradiosystems.com
> > > http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
> >
>
> --
> --
> Le informazioni contenute nella presente comunicazione sono di natura
> privata e come tali sono da considerarsi riservate ed indirizzate
> esclusivamente ai destinatari indicati e per le finalità strettamente
> legate al relativo contenuto. Se avete ricevuto questo messaggio per
> errore, vi preghiamo di eliminarlo e di inviare una comunicazione
> all’indirizzo e-mail del mittente.
>
> --
> The information transmitted is
> intended only for the person or entity to which it is addressed and may
> contain confidential and/or privileged material. If you received this in
> error, please contact the sender and delete the material.
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