[srslte-users] [srsLTE] MAC code failure

[Mihai Idu]

Hello Pedro and all,

Could you help me with a resolution regarding the following error:
Attach Request -- UE is already attached.Attach request -- IMSI:
901700000022950
Attach request -- eNB-UE S1AP Id: 19, MME-UE S1AP Id: 19
Attach request -- Attach type: 2
Attach Request -- UE Network Capabilities EEA: 11110000
Attach Request -- UE Network Capabilities EIA: 11110000
Attach Request -- MS Network Capabilities Present: true
PDN Connectivity Request -- EPS Bearer Identity requested: 0
PDN Connectivity Request -- Procedure Transaction Id: 1
PDN Connectivity Request -- ESM Information Transfer requested: false
Downlink NAS: Sending Authentication Request
Plain UL NAS: Authentication Failure
MAC code failure
Received UE Context Release Request. MME-UE S1AP Id 19
UE is not ECM connected. No need to release S1-U. MME UE S1AP Id 19
UE is ECM IDLE.

​
 enb.log
<https://drive.google.com/file/d/1d6H26FMvYWAuZG1fPzJ78yMJUfdVlq34/view?usp=drive_web>
​​
 enb.pcap
<https://drive.google.com/file/d/1l1FMRX8DzmsZF64MgHmZ8PIOFXU9dhgO/view?usp=drive_web>
​​
 epc.log
<https://drive.google.com/file/d/1gEyzxW7fzhwOwbM9CbGpAqoFTFYMbKC-/view?usp=drive_web>
​

Thank you,
Mihai

On Sun, Jun 3, 2018 at 9:39 PM, Pedro Alvarez <
pedro.alvarez at softwareradiosystems.com> wrote:

> Hi Mihai,
>
> Does this happen when you try to connect one user only?
> Can you send the epc.log and the enb.pcap of the two user case?
>
> Regards,
> Pedro
>
> On Sun, Jun 3, 2018 at 11:45 AM, Mihai Idu <idumihai16 at gmail.com> wrote:
> > Hello srs users,
> >
> > i am writing this e-mail because i am finding myself into a blocking
> point,
> > and i would love a little help. I am implemented the following settup:
> >
> > 1. USRP X310 which is the enodeB and i have 2 users Huawei P9 lite
> >
> > I manage to define the users in the HSS and changed the MNC and MCC
> > according to the IMSI. but when i try to connect the phones to the
> network i
> > am facing the following :
> >
> > Attach Request -- UE is already attached.Attach request -- IMSI:
> > 901700000022950
> > Attach request -- eNB-UE S1AP Id: 19, MME-UE S1AP Id: 19
> > Attach request -- Attach type: 2
> > Attach Request -- UE Network Capabilities EEA: 11110000
> > Attach Request -- UE Network Capabilities EIA: 11110000
> > Attach Request -- MS Network Capabilities Present: true
> > PDN Connectivity Request -- EPS Bearer Identity requested: 0
> > PDN Connectivity Request -- Procedure Transaction Id: 1
> > PDN Connectivity Request -- ESM Information Transfer requested: false
> > Downlink NAS: Sending Authentication Request
> > Plain UL NAS: Authentication Failure
> > MAC code failure
> > Received UE Context Release Request. MME-UE S1AP Id 19
> > UE is not ECM connected. No need to release S1-U. MME UE S1AP Id 19
> > UE is ECM IDLE.
> >
> >
> > If anyone has some idea to fix this issue please, let me know. from my
> > knowledge this error message appears when the MAC provided by the
> network is
> > not a correct one.
> >
> > Thank you,
> > Mihai
> >
> > _______________________________________________
> > srslte-users mailing list
> > srslte-users at lists.softwareradiosystems.com
> > http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
> >
>
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