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Get a trace of mtp2 messages.<BR>
<BR>
I will guess that one of the sides aree not reesponding correctly and you a link reset on Timer.<BR>
<BR>
Jan<BR> <BR>
<HR id=stopSpelling>
From: linuxgurus@gmail.com<BR>To: asterisk-ss7@lists.digium.com<BR>Date: Fri, 5 Mar 2010 18:58:44 +0500<BR>Subject: [asterisk-ss7] SS7 Link Problem<BR><BR>
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<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">Dear All,</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">I am facing an issue with ss7. I don’t understand why SS7 link break every 15 to 30 sec. A quick response needed from your side. Please see the below output and config files.</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[root@asterisk ~]# tail -f /var/log/asterisk/messages</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:06:16] WARNING[19978] chan_dahdi.c: MTP2 link down (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:06:23] WARNING[19978] chan_dahdi.c: MTP2 link down (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:06:32] NOTICE[19999] chan_sip.c: Registration from '<<A>sip:1114@192.168.5.252:5060</A>>' failed for '192.168.5.253' - No matching peer found</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:06:42] WARNING[19978] chan_dahdi.c: MTP2 link down (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:06:48] WARNING[19978] chan_dahdi.c: MTP2 link down (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:06:55] WARNING[19978] chan_dahdi.c: REL on channel (CIC 30) without owner!</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:07:02] NOTICE[19999] chan_sip.c: Registration from '<<A>sip:1114@192.168.5.252:5060</A>>' failed for '192.168.5.253' - No matching peer found</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:07:03] WARNING[19978] chan_dahdi.c: MTP2 link down (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:07:18] WARNING[19978] chan_dahdi.c: MTP2 link down (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:07:21] WARNING[19978] chan_dahdi.c: MTP2 link down (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 5 03:07:32] WARNING[19978] chan_dahdi.c: REL on channel (CIC 29) without owner!</SPAN></P>
<P class=ecxMsoNormal> </P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">Some more information in asterisk logs</SPAN><SPAN style="FONT-SIZE: 12pt; COLOR: #1f497d; FONT-FAMILY: 'Times New Roman','serif'"></SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 4 19:12:39] WARNING[3298] chan_dahdi.c: MTP2 link down (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 4 19:12:41] VERBOSE[3298] chan_dahdi.c: MTP2 link up (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">[Mar 4 19:12:42] WARNING[3298] chan_dahdi.c: MTP2 link down (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal> </P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">Here is the output of Asterisk when SS7 is up</SPAN><SPAN style="FONT-SIZE: 12pt; COLOR: #1f497d; FONT-FAMILY: 'Times New Roman','serif'"></SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">Verbosity is at least 3</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">MTP2 link up (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting retransmission</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">MTP2 link up (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting retransmission</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">Received out of sequence MSU w/ fsn of 1, lastfsnacked = 127, requesting retransmission</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d">MTP2 link up (SLC 0)</SPAN></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal><B><SPAN style="FONT-SIZE: 8pt; COLOR: gray; FONT-FAMILY: 'Verdana','sans-serif'"> </SPAN></B></P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
<P class=ecxMsoNormal>Asterisk Output<SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"></SPAN></P>
<P class=ecxMsoNormal> -- Reconfigured channel 1, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 2, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 3, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 4, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 5, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 6, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 7, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 8, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 9, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 10, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 11, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 12, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 13, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 14, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 15, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 17, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 18, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 19, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 20, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 21, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 22, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 23, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 24, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 25, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 26, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 27, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 28, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 29, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 30, SS7 signalling</P>
<P class=ecxMsoNormal> -- Reconfigured channel 31, SS7 signalling</P>
<P class=ecxMsoNormal> -- Automatically generated pseudo channel</P>
<P class=ecxMsoNormal> == Starting SS7 linkset on span 1</P>
<P class=ecxMsoNormal>--- SS7 Down ---</P>
<P class=ecxMsoNormal>asterisk*CLI></P>
<P class=ecxMsoNormal>asterisk*CLI></P>
<P class=ecxMsoNormal>asterisk*CLI></P>
<P class=ecxMsoNormal>MTP2 link up (SLC 0)</P>
<P class=ecxMsoNormal>--- SS7 Up ---</P>
<P class=ecxMsoNormal>Resetting CICs 1 to 30</P>
<P class=ecxMsoNormal>Received out of sequence MSU w/ fsn of 5, lastfsnacked = 2, requesting retransmission</P>
<P class=ecxMsoNormal>Got reset acknowledgement from CIC 1 to 30.</P>
<P class=ecxMsoNormal>MTP2 link up (SLC 0)</P>
<P class=ecxMsoNormal>MTP2 link up (SLC 0)</P>
<P class=ecxMsoNormal> </P>
<P class=ecxMsoNormal>Configuration File /etc/asterisk/chan_dahdi.conf</P>
<P class=ecxMsoNormal> </P>
<P class=ecxMsoNormal>[channels]</P>
<P class=ecxMsoNormal>language=en</P>
<P class=ecxMsoNormal>context=from-internal</P>
<P class=ecxMsoNormal>switchtype=euroisdn</P>
<P class=ecxMsoNormal>signalling=ss7</P>
<P class=ecxMsoNormal>toneduration=100</P>
<P class=ecxMsoNormal>usecallerid=yes</P>
<P class=ecxMsoNormal>callwaiting=yes</P>
<P class=ecxMsoNormal>usecallingpres=yes</P>
<P class=ecxMsoNormal>callwaitingcallerid=yes</P>
<P class=ecxMsoNormal>threewaycalling=yes</P>
<P class=ecxMsoNormal>transfer=yes</P>
<P class=ecxMsoNormal>cancallforward=yes</P>
<P class=ecxMsoNormal>callreturn=yes</P>
<P class=ecxMsoNormal>echocancel=no</P>
<P class=ecxMsoNormal>echocancelwhenbridged=yes</P>
<P class=ecxMsoNormal>rxgain=1.0</P>
<P class=ecxMsoNormal>txgain=1.0</P>
<P class=ecxMsoNormal>group=1</P>
<P class=ecxMsoNormal>callgroup=1</P>
<P class=ecxMsoNormal>ss7type = itu</P>
<P class=ecxMsoNormal>ss7_called_nai=dynamic</P>
<P class=ecxMsoNormal>ss7_calling_nai=dynamic</P>
<P class=ecxMsoNormal>linkset = 1</P>
<P class=ecxMsoNormal>pointcode = 5607</P>
<P class=ecxMsoNormal>adjpointcode = 5366</P>
<P class=ecxMsoNormal>defaultdpc = 5366</P>
<P class=ecxMsoNormal>networkindicator=national</P>
<P class=ecxMsoNormal>mtp2=1</P>
<P class=ecxMsoNormal>sigchan = 16</P>
<P class=ecxMsoNormal>cicbeginswith = 1</P>
<P class=ecxMsoNormal>channel = 1-15,17-31</P>
<P class=ecxMsoNormal> </P>
<P class=ecxMsoNormal>;cicbeginswith = 32</P>
<P class=ecxMsoNormal>;channel =32-62</P>
<P class=ecxMsoNormal>;cicbeginswith = 63</P>
<P class=ecxMsoNormal>;channel =63-93</P>
<P class=ecxMsoNormal> </P>
<P class=ecxMsoNormal>jitterbuffers=4</P>
<P class=ecxMsoNormal>jbenable = yes</P>
<P class=ecxMsoNormal>jbmaxsize = 400</P>
<P class=ecxMsoNormal>jbresyncthreshold = 1000</P>
<P class=ecxMsoNormal>jbimpl = fixed</P>
<P class=ecxMsoNormal>jblog = no</P>
<P class=ecxMsoNormal> </P>
<P class=ecxMsoNormal><B><SPAN style="FONT-SIZE: 8pt; COLOR: gray; FONT-FAMILY: 'Verdana','sans-serif'"> </SPAN></B></P>
<P class=ecxMsoNormal> </P>
<P class=ecxMsoNormal><SPAN style="COLOR: #1f497d"> </SPAN></P>
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