[asterisk-ss7] Chan_SS7 Links fluctuation issue | Please help

shazi . engrmuhammadshahzad at hotmail.com
Thu Jun 5 05:27:21 CDT 2014


Hi Guys,

Need urgent help, I am facing links fluctuating issue for last 2months and
unable to get the issue resolved.

I have configured A116 sangoma cards, modules version I have used are
mentioned below. PAF configs

asterisk-1.8.21.0
chan_ss7-2.1.0
dahdi-linux-complete-2.6.2 +2.6.2
wanpipe-7.0.5
Linux MS2 2.6.18-128.el5 #1 SMP Wed Jan 21 10:41:14 EST 2009 x86_64 x86_64
x86_64 GNU/Linux

******Asterisk CLI logs***********
[Jun  5 15:13:35] WARNING[9346]: mtp.c:833 timeout_t7: T7 timeout (excessive
delay of acknowledgement) on link 'l1', state=5.
[Jun  5 15:13:35] WARNING[9346]: chan_ss7.c:125 process_event: MTP is now
DOWN on link 'l1'.
[Jun  5 15:13:35] WARNING[9346]: chan_ss7.c:125 process_event: MTP is now
DOWN on link 'l1'.
[Jun  5 15:13:36] WARNING[9346]: chan_ss7.c:125 process_event: MTP is now
DOWN on link 'l16'.
[Jun  5 15:13:36] WARNING[9346]: chan_ss7.c:125 process_event: MTP is now
DOWN on link 'l16'.
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:36] WARNING[9346]: mtp.c:2186 mtp_thread_main: No signalling
links inservice and no cluster receivers alive, dropping packet!
[Jun  5 15:13:37] WARNING[9346]: chan_ss7.c:121 process_event: MTP is now UP
on link 'l1'.
[Jun  5 15:13:38] WARNING[9346]: chan_ss7.c:121 process_event: MTP is now UP
on link 'l16'.
[Jun  5 15:13:39] WARNING[9346]: mtp.c:833 timeout_t7: T7 timeout (excessive
delay of acknowledgement) on link 'l1', state=5.
[Jun  5 15:13:39] WARNING[9346]: chan_ss7.c:125 process_event: MTP is now
DOWN on link 'l1'.
[Jun  5 15:13:39] WARNING[9346]: chan_ss7.c:125 process_event: MTP is now
DOWN on link 'l1'.
[Jun  5 15:13:39] WARNING[9346]: mtp.c:833 timeout_t7: T7 timeout (excessive
delay of acknowledgement) on link 'l16', state=5.
[Jun  5 15:13:39] WARNING[9346]: chan_ss7.c:125 process_event: MTP is now
DOWN on link 'l16'.
[Jun  5 15:13:39] WARNING[9346]: chan_ss7.c:125 process_event: MTP is now
DOWN on link 'l16'.
[Jun  5 15:13:40] WARNING[9346]: chan_ss7.c:121 process_event: MTP is now UP
on link 'l1'.

**********DAHDI STATUS***********
[root at MS2 media]# /usr/sbin/asterisk -rx "dahdi show status"
Description                              Alarms  IRQ    bpviol CRC    Fra
Codi Options  LBO
wanpipe1 card 0                          OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe2 card 1                          OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe3 card 2                          OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe4 card 3                          OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe5 card 4                          OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe6 card 5                          OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe7 card 6                          OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe8 card 7                          OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe9 card 8                          OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe10 card 9                         OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe11 card 10                        OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe12 card 11                        OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe13 card 12                        OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe14 card 13                        OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe15 card 14                        OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)
wanpipe16 card 15                        OK      0      0      0      CCS
HDB3          0 db (CSU)/0-133 feet (DSX-1)


[root at MS2 ~]# asterisk -rx 'ss7 linestat'
Linkset: msc
CIC   1 Idle Reset pending
CIC   2 Idle Reset pending
CIC   3 Idle Reset pending
CIC   4 Idle Reset pending
CIC   5 Idle Reset pending
CIC   6 Idle Reset pending
CIC   7 Idle Reset pending
CIC   8 Idle Reset pending
CIC   9 Idle Reset pending
CIC  10 Idle Reset pending
CIC  11 Idle Reset pending
CIC  12 Idle Reset pending
CIC  13 Idle Reset pending
CIC  14 Idle Reset pending
CIC  15 Idle Reset pending
CIC  17 Idle Reset pending
CIC  18 Idle Reset pending
CIC  19 Idle Reset pending
CIC  20 Idle Reset pending
CIC  21 Idle Reset pending
CIC  22 Idle Reset pending
CIC  23 Idle Reset pending
CIC  24 Idle Reset pending
CIC  25 Idle Reset pending
CIC  26 Idle Reset pending
CIC  27 Idle Reset pending
CIC  28 Idle Reset pending
CIC  29 Idle Reset pending
CIC  30 Idle Reset pending
CIC  31 Idle Reset pending

Your kind response will be highly appreciated. Pls respond

BR,
Muhammad Shahzad
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