[srslte-users] SRSUE cannot send/recieve data

Andre Puschmann andre.puschmann at softwareradiosystems.com
Fri Dec 14 09:09:29 UTC 2018


Looping list in again. Issue has been identified as a known problem in
the current release when DRB-id for DRB1 does not start with 1. It's
fixed in the upcoming release.

Thanks
Andre


On 12/12/18 15:00, Tošovský Bohumil wrote:
> 
> Hi,
> 
> 
> EPC is stil the same. Logs sent in other email.
> 
> 
> BR
> 
> 
> Bohumil
> 
> 
> ------------------------------------------------------------------------
> *Od:* Andre Puschmann <andre.puschmann at softwareradiosystems.com>
> *Odesláno:* středa 12. prosince 2018 14:34
> *Komu:* Tošovský Bohumil; srslte-users at lists.softwareradiosystems.com
> *Předmět:* Re: [srslte-users] SRSUE cannot send/recieve data
>  
> Hi,
> yes, please send all logs and PCAPs. Also, this is NAS security, not
> RRC, so it might be an EPC issue. Is the EPC the same in both setups?
> 
> Thanks
> Andre
> 
> On 12/12/18 14:14, Tošovský Bohumil wrote:
>> Hi,
>> 
>> We are testing UE against Nokia FlexiRAN eNodeB, Call setup procedure is correct, UE is attached, but
>> 
>> when trying to to send/receive data, they are not correctly encoded/decoded on the TUN or S1. Length of the IP packet is the same, but the content is totally different data blob.
>> Used coding is in the trace:
>> 
>> 15:11:22.326283 [NAS ] [I] Received Security Mode Command ksi: 2, eea: 128-EEA2, eia: 128-EIA2
>> 
>> 
>> The same procedure against Huawei 3900 enodeB with the same Security Command
>> 
>> 15:07:22.597582 [NAS ] [I] Received Security Mode Command ksi: 1, eea: 128-EEA2, eia: 128-EIA2
>> 
>> works fine. If you ned logs and pcaps I can send it.
>> 
>> Thanks 
>> 
>> Bohumil
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> -----Original Message-----
>> From: Andre Puschmann <andre.puschmann at softwareradiosystems.com> 
>> Sent: Monday, December 10, 2018 4:15 PM
>> To: Tošovský Bohumil <Bohumil.Tosovsky at nordictelecom.cz>; srslte-users at lists.softwareradiosystems.com
>> Subject: Re: [srslte-users] SRSUE cannot send/recieve data
>> 
>> Hi Bohumil,
>> 
>> srsUE supports EIA0-2 and EEA0-2. Can you please explain your setup again and tell what the issue you're seeing?
>> 
>> Thanks
>> Andre
>> 
>> 
>> On 10/12/18 15:52, Tošovský Bohumil wrote:
>>> Hello,
>>>
>>> The problem was caused by the only "allowed ciphered traffic only"  on the eNodeB. When I disabled cipherng on the eNodeB, everything works well.
>>>
>>> Is there already supported any other algorithms than EEA0 and EIA0  on the SRS_UE ?
>>>
>>>
>>> Thanks
>>>
>>> Bohumil Tosovsky
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Tošovský Bohumil
>>> Sent: Friday, November 30, 2018 7:38 PM
>>> To: Andre Puschmann <andre.puschmann at softwareradiosystems.com>; 
>>> srslte-users at lists.softwareradiosystems.com
>>> Subject: RE: [srslte-users] SRSUE cannot send/recieve data
>>>
>>> Hello,
>>>
>>> Please find attached logs, little update: the data are  passed to the Bearer, but when I trace on the S1 interface, they are corrupted in the GTP tunnel.
>>>
>>> 16:18:31.004757 [PHY_LIB] [I] [03388]  Searching UL C-RNTI in 0 ue 
>>> locations
>>> 16:18:31.004979 [GW  ] [I] TX PDU
>>>              0000: 45 00 00 54 f6 1d 40 00 40 01 3f a1 64 42 90 98 
>>>              0010: 08 08 08 08 08 00 ff 2a 5f 3f 00 02 c7 54 01 5c 
>>>              0020: 00 00 00 00 12 10 00 00 00 00 00 00 10 11 12 13 
>>>              0030: 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23
>>> 16:18:31.005004 [PDCP] [I] TX DRB1 SDU, SN: 1, do_integrity = false, do_encryption = true
>>>              0000: 45 00 00 54 f6 1d 40 00 40 01 3f a1 64 42 90 98 
>>>              0010: 08 08 08 08 08 00 ff 2a 5f 3f 00 02 c7 54 01 5c 
>>>              0020: 00 00 00 00 12 10 00 00 00 00 00 00 10 11 12 13 
>>>              0030: 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23
>>> 16:18:31.005023 [PDCP] [I] TX DRB1 SDU (encrypted)
>>>              0000: 80 01 c0 e5 aa 3a 8c 99 97 ce b5 13 84 9a 49 22 
>>>              0010: af 2b 8c 00 8d 85 3a 35 53 29 85 e1 09 7d 79 c1 
>>>              0020: 37 f5 e8 d4 13 ae ba 4a 54 5e b4 83 14 5b 9b 48 
>>>              0030: 0d 44 a8 c2 00 c2 dd c5 b2 93 a1 d1 4e d0 e7 04
>>> 16:18:31.005039 [RLC ] [I] DRB1 Tx SDU (86 B, tx_sdu_queue_len=1)
>>>              0000: 80 01 c0 e5 aa 3a 8c 99 97 ce b5 13 84 9a 49 22 
>>>              0010: af 2b 8c 00 8d 85 3a 35 53 29 85 e1 09 7d 79 c1 
>>>              0020: 37 f5 e8 d4 13 ae ba 4a 54 5e b4 83 14 5b 9b 48 
>>>              0030: 0d 44 a8 c2 00 c2 dd c5 b2 93 a1 d1 4e d0 e7 04
>>> 16:18:31.005051 [PHY_LIB] [I] [03388]  SYNC TRACK: sf_idx=8, ret=1, 
>>> next_state=1
>>> 16:18:31.005168 [PHY_LIB] [I] [03389]  Decoded CFI=2 with correlation 
>>> 41.92, sf_idx=8
>>>
>>> Here is the icmp packet sent via tun.
>>>
>>> Many Thanks
>>>
>>> B.T.
>>>
>>>
>>>  
>>> -----Original Message-----
>>> From: Andre Puschmann <andre.puschmann at softwareradiosystems.com>
>>> Sent: Friday, November 30, 2018 4:19 PM
>>> To: Tošovský Bohumil <Bohumil.Tosovsky at nordictelecom.cz>; 
>>> srslte-users at lists.softwareradiosystems.com
>>> Subject: Re: [srslte-users] SRSUE cannot send/recieve data
>>>
>>> please send full logs.
>>>
>>> On 28/11/18 19:44, Tošovský Bohumil wrote:
>>>> Hello,
>>>>
>>>>  
>>>>
>>>> We are trying SRS_UE running with B210 with real eNodeB equipment, UE 
>>>> performs correct RRC Connection and Attach procedure, receive IP 
>>>> address, but when I cannot  send/receive data.
>>>>
>>>> In the UE.log I found this:
>>>>
>>>>  
>>>>
>>>> 15:34:04.945625 [RRC ] [D] State CONNECTED
>>>>
>>>> 15:34:04.946082 [GW  ] [D] Read 220 bytes from TUN fd=17, idx=0
>>>>
>>>> 15:34:04.946091 [GW  ] [I] TX PDU
>>>>
>>>>              0000: 45 00 00 dc ac 0d 40 00 40 06 fd 01 c0 a8 01 ae
>>>>
>>>>              0010: 4e 88 80 2e 83 ea 06 bb 60 3a fa 40 41 2a 0f 65
>>>>
>>>>              0020: 80 18 00 1e 59 2e 00 00 01 01 08 0a 01 13 6c 1b
>>>>
>>>>              0030: 4f d9 07 e4 00 a8 00 01 1a 2b 3c 4d 00 07 00 00
>>>>
>>>> 15:34:04.946109 [GW  ] [I] LCID=3 not active, requesting NAS attach
>>>> (0/40)
>>>>
>>>> 15:34:04.946116 [NAS ] [I] Attach Request
>>>>
>>>> 15:34:04.946123 [NAS ] [I] NAS is already registered and RRC 
>>>> connected
>>>>
>>>>  
>>>>
>>>> On the S1 interface I can see packets in the GTP tunnel, but they are 
>>>> corrupted (Incorrect IP headers,length… )
>>>>
>>>>  
>>>>
>>>> Thanks Bohumil
>>>>
>>>>
>>>> _______________________________________________
>>>> srslte-users mailing list
>>>> srslte-users at lists.softwareradiosystems.com
>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
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> 
> 
>>>>
>>>
>>>
>>>
>> 
>> 
>> --
>> Andre Puschmann
>> 
>> Software Radio Systems (SRS)
>> http://www.softwareradiosystems.com
>> 
>> PGP/GnuPG key: 6C42AB31
>> fingerprint: 137A AE49 785B A445 257C 8AD7 D877 A498 6C42 AB31
>> 
> 
> 
> -- 
> Andre Puschmann
> 
> Software Radio Systems (SRS)
> http://www.softwareradiosystems.com
> 
> PGP/GnuPG key: 6C42AB31
> fingerprint: 137A AE49 785B A445 257C 8AD7 D877 A498 6C42 AB31
> 
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-- 
Andre Puschmann

Software Radio Systems (SRS)
http://www.softwareradiosystems.com

PGP/GnuPG key: 6C42AB31
fingerprint: 137A AE49 785B A445 257C 8AD7 D877 A498 6C42 AB31



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