[asterisk-ss7] ss7 linkset not up

Gustavo Marsico gustavomarsico at gmail.com
Tue Mar 16 14:07:42 CDT 2010


Take a look on this:

> Len = 10 [ ff 80 07 84 42 80 00 10 00 77 ]

in "Link state change: PROVING -> ALIGNEDREADY". 

The 4 of 84 means TUP, not ISUP. When you see 85, you're ok.



On 16 Mar 2010, at 17:28, Lond_IP wrote:

> Hi!
> 
> I have problem with ss7 link.
> Not in up mode.
> 
> * 1.6.2.5 + DAHDI 2.2.1/2.2.1 + libSS7 1.0.1 + Digium TE121 <--> NEC NEAX 2000IPS
> ------------------
> 
> /etc/dahdi/system.conf:
> span=1,0,0,ccs,hdb3,crc4
> bchan=1-15
> mtp2=16
> echocanceller=mg2,1-15
> loadzone        = us
> defaultzone     = us
> 
> ------------------
> Description                              Alarms  IRQ    bpviol CRC4   Fra Codi Options  LBO
> Wildcard TE121 Card 0                    OK      8      0      0      CCS HDB3 CRC4     0 db (CSU)/0-133 feet (DSX-1)
> ------------------
> 
> dahdi show channels:
> 
> 1            from-pstn       us         default                         In Service
> ...
> 15            from-pstn       us         default                         In Service
> -------------------
> 
> ss7 show linkset 1:
> SS7 linkset 1 status: Down
> -------------------
> 
> chan_dahdi.conf:
> [channels]
> ; ss7
> linkset                 = 1
> group                   = 0
> signalling              = ss7
> ss7type                 = itu
> networkindicator        = national
> ss7_called_nai          = dynamic
> ss7_calling_nai = dynamic
> pointcode               = 66
> adjpointcode            = 2
> defaultdpc              = 2
> 
> context = from-pstn
> cicbeginswith = 1
> channel = 1-15
> sigchan = 16
> ---------------------
> 
> ss7linktest:
> 
> 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 02 ]
> FSN: 127 FIB 1
> BSN: 127 BIB 1
> <[0] LSSU SIE
> 
> Link state change: NOTALIGNED -> PROVING
> Len = 3 [ ff ff 00 ]
> FSN: 127 FIB 1
> BSN: 127 BIB 1
> <[0] FISU
> 
> Link state change: PROVING -> ALIGNEDREADY
> Len = 10 [ ff 80 07 84 42 80 00 10 00 77 ]
> FSN: 0 FIB 1
> BSN: 127 BIB 1
> <[0] MSU
> [ ff 80 07 ]
>        Network Indicator: 2 Priority: 0 User Part: Unknown (4)
>        [ 84 ]
>        OPC 2 DPC 66 SLS 1
>        [ 42 80 00 10 ]
> 
> Link state change: ALIGNEDREADY -> INSERVICE
> Unable to process message destined for userpart 4; dropping message
> [0] MTP2 link up
> Len = 9 [ 80 80 06 80 02 80 10 00 17 ]
> FSN: 0 FIB 1
> BSN: 0 BIB 1
>> [0] MSU
> [ 80 80 06 ]
>        Network Indicator: 2 Priority: 0 User Part: NET_MNG (0)
>        [ 80 ]
>        OPC 66 DPC 2 SLS 0
>        [ 02 80 10 00 ]
>        H0: 7 H1: 1
>        Message type: TRA
>        [ 17 ]
> 
> Len = 20 [ 80 81 11 81 02 80 10 00 11 a0 32 35 36 34 32 38 36 32 38 38 ]
> FSN: 1 FIB 1
> BSN: 0 BIB 1
>> [0] MSU
> [ 80 81 11 ]
>        Network Indicator: 2 Priority: 0 User Part: STD_TEST (1)
>        [ 81 ]
>        OPC 66 DPC 2 SLS 0
>        [ 02 80 10 00 ]
>        H0: 1 H1: 1
>        [ 11 ]
> 
> Len = 10 [ 81 81 07 84 42 80 00 40 00 77 ]
> FSN: 1 FIB 1
> BSN: 1 BIB 1
> <[0] MSU
> [ 81 81 07 ]
>        Network Indicator: 2 Priority: 0 User Part: Unknown (4)
>        [ 84 ]
>        OPC 2 DPC 66 SLS 4
>        [ 42 80 00 40 ]
> 
> Unable to process message destined for userpart 4; dropping message
> ...
> ...
> HDLC Abort!
> Len = 10 [ 81 8e 07 84 42 80 00 f0 00 77 ]
> FSN: 14 FIB 1
> BSN: 1 BIB 1
> <[0] MSU
> [ 81 8e 07 ]
>        Network Indicator: 2 Priority: 0 User Part: Unknown (4)
>        [ 84 ]
>        OPC 2 DPC 66 SLS 15
>        [ 42 80 00 f0 ]
> 
> Unable to process message destined for userpart 4; dropping message
> -------------------
> 
> ... and linkset is not up.
> 
> Where is problems?
> And what is the last 2 messages from MSU ?
> 
> Help me please!
> 
> -- 
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