[asterisk-ss7] ALIGNMENT Problem

[Gustavo Mársico]

I faced the same problem a few days ago. The E1 looks like ok, no slips, frame errors, etc. But the IRQ misses increases a lot, and the links never comes up.


On May 29, 2012, at 5:10 AM, Kaloyan Kovachev wrote:

> On Mon, 28 May 2012 18:40:27 -0700 (PDT), Marcus Vinicius
> <marc_mcs10 at yahoo.com.br> wrote:
>> Hi,
>> 
>> I run ss7linktest with information sent me by telco, but I get the same
>> error:
>> 
>> 
>> ./ss7linktest 16 itu 781 678
>> 
>> Starting link 1
>> Link state change: IDLE -> NOTALIGNED
>> Len = 4 [ ff ff 01 00 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>>> [0] LSSU SIO
>> 
>> Len = 4 [ ff ff 01 00 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>> <[0] LSSU SIO
>> 
>> Link state change: NOTALIGNED -> ALIGNED
>> Len = 4 [ ff ff 01 02 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>>> [0] LSSU SIE
>> 
>> Len = 4 [ ff ff 01 02 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>> <[0] LSSU SIE
>> 
>> Link state change: ALIGNED -> PROVING
>> Len = 4 [ ff ff 01 03 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>> <[0] LSSU SIOS
> 
> Here the other end is closing the connection - noting wrong on your side.
> Is the link enabled (and properly configured) at telco side?
> 
>> 
>> Link state change: PROVING -> IDLE
>> Link state change: IDLE -> NOTALIGNED
>> Len = 4 [ ff ff 01 00 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>>> [0] LSSU SIO
>> 
>> Len = 4 [ ff ff 01 00 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>> <[0] LSSU SIO
>> 
>> Link state change: NOTALIGNED -> ALIGNED
>> Len = 4 [ ff ff 01 02 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>>> [0] LSSU SIE
>> 
>> Len = 4 [ ff ff 01 02 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>> <[0] LSSU SIE
>> 
>> Link state change: ALIGNED -> PROVING
>> Len = 4 [ ff ff 01 03 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>> <[0] LSSU SIOS
>> 
>> Link state change: PROVING -> IDLE
>> Link state change: IDLE -> NOTALIGNED
>> Len = 4 [ ff ff 01 00 ]
>> FSN: 127 FIB 1
>> BSN: 127 BIB 1
>>> [0] LSSU SIO
>> 
>> 
>> 
>> I don't have any slip or crc error. The link looks good, but it can't
> gets
>> up;
>> 
>> thanks
>> 
>> --
>> Marcus
>> 
>> 
>> 
>> 
>> ________________________________
>> De: Kaloyan Kovachev <kkovachev at varna.net>
>> Para: Marcus Vinicius <marc_mcs10 at yahoo.com.br> 
>> Enviadas: Segunda-feira, 28 de Maio de 2012 11:27
>> Assunto: Re: [asterisk-ss7] ALIGNMENT Problem
>> 
>> try ss7lintest from libss7 with asterisk stopped:
>> ss7linktest 16 itu XXX YYY
>> 
>> and see if it will align
>> 
>> On Mon, 28 May 2012 07:05:10 -0700 (PDT), Marcus Vinicius
>> <marc_mcs10 at yahoo.com.br> wrote:
>>> Hello,
>>> 
>>> The config are correct according from telco: 
>>> 
>>> 
>>> 
>>> signalling=ss7
>>> ss7type=itu
>>> ss7_called_nai=dynamic
>>> ss7_calling_nai=dynamic
>>> networkindicator=national
>>> pointcode=781
>>> 
>>> linkset=1
>>> pointcode=XXX
>>> defaultdpc=YYY
>>> adjpointcode=YYY
>>> context=from-pstn-01
>>> 
>>> group=1
>>> cicbeginswith=1
>>> channel=>1-15
>>> 
>>> cicbeginswith=301
>>> channel=>17-31
>>> sigchan=16
>>> 
>>> 
>>> 
>>> I'll see the cables, but the link is UP: 
>>> 
>>> 
>>> Description                              Alarms  IRQ    bpviol CRC   
>> Fra
>>> Codi Options  LBO
>>> AP408 Card 1 Span 1                      OK      0      0      0     
>> CCS
>>> HDB3          0 db (CSU)/0-133 feet (DSX-1)
>>> 
>>> 
>>> 
>>> Thanks a lot
>>> 
>>> 
>>> --
>>> Marcus
>>> 
>>> 
>>> 
>>> 
>>> ________________________________
>>>   De: Kaloyan Kovachev <kkovachev at varna.net>
>>> Para: Marcus Vinicius <marc_mcs10 at yahoo.com.br>;
>>> asterisk-ss7 at lists.digium.com 
>>> Enviadas: Segunda-feira, 28 de Maio de 2012 6:18
>>> Assunto: Re: [asterisk-ss7] ALIGNMENT Problem
>>>   
>>> Hi,
>>> 
>>> On Thu, 24 May 2012 06:47:28 -0700 (PDT), Marcus Vinicius
>>> <marc_mcs10 at yahoo.com.br> wrote:
>>>> Hi,
>>>> 
>>>> I can't alignment a libss7 Asterisk with a TDM switch (Huawei/UMG)
>>> because
>>>> the link doesn't pass the "PROVING" state. 
>>>> 
>>>> All configurations are correct according from telco, but I always get
>>> the
>>>> same logs: 
>>> 
>>> check your cables and double check your config for the correct
> signaling
>>> channel
> 
> --
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