Hi, On Wed, 15 Feb 2012 12:53:15 +0530, Bharat Lalcheta <bharatlalcheta at gmail.com> wrote: > No i m not getting BAD FCS HDLC abort. In dahdi i m getting following 2 > messages. > > REL on channel (CIC 113) without owner! This message i m getting on first > server too. > > But below message came on the problematic server whenever mtp2 link down > message come > > Duplicate IAM requested on CIC 2 > try to switch from mtp2 to dchan in system.conf i saw duplicate messages using mtp2, but this is unlikely the main problem check the cables, switch the (links on the) two machines if possible > > > On Wed, Feb 15, 2012 at 12:39 PM, Vashkar Chatterjee > <vashkar at gmail.com>wrote: > >> Check transmission for faults. Do you get BAD FCS HDLC abort? Check for >> the line error, code violation etc from dahdi maint tool >> >> -Vashkar >> On Feb 15, 2012 1:04 PM, "Bharat Lalcheta" <bharatlalcheta at gmail.com> >> wrote: >> >>> Thanks for reply. >>> Telco enabled crc and first server working fine on it. >>> >>> On Wed, Feb 15, 2012 at 12:24 PM, Vashkar Chatterjee >>> <vashkar at gmail.com>wrote: >>> >>>> Checm if telco had crc enabled or not. If not turn off crc >>>> On Feb 15, 2012 12:45 PM, "Bharat Lalcheta" <bharatlalcheta at gmail.com> >>>> wrote: >>>> >>>>> Hii, >>>>> >>>>> I have 2 servers with dual core 3 GHz dual cpu with 2 GB RAM and >>>>> having >>>>> 2 * TE410P digium, total 8 port for inbound calling. >>>>> >>>>> using asterisk-1.6.2.9, dahdi-2.5, libss7 SVN latest version >>>>> >>>>> Both server has same setup, 8 E1's with 2 Signalling channels from >>>>> same >>>>> telco. >>>>> >>>>> follwoing is chan_dahdi.conf >>>>> >>>>> [channels] >>>>> group=0 >>>>> linkset = 1 >>>>> signalling = ss7 >>>>> ss7type = itu >>>>> ss7_called_nai=national >>>>> ss7_calling_nai=national >>>>> context=ivrs >>>>> pointcode = 2 >>>>> adjpointcode = XXXXX >>>>> defaultdpc = XXXXX >>>>> networkindicator=national >>>>> sigchan = 16 >>>>> cicbeginswith=1 >>>>> channel = 1-15 >>>>> cicbeginswith = 17 >>>>> channel = 17-31 >>>>> sigchan = 47 >>>>> cicbeginswith = 33 >>>>> channel = 32-46 >>>>> cicbeginswith = 49 >>>>> channel = 48-62 >>>>> cicbeginswith = 65 >>>>> channel = 63-93 >>>>> cicbeginswith = 97 >>>>> channel = 94-124 >>>>> cicbeginswith = 129 >>>>> channel = 125-155 >>>>> cicbeginswith = 161 >>>>> channel = 156-186 >>>>> cicbeginswith = 193 >>>>> channel = 187-217 >>>>> cicbeginswith = 225 >>>>> channel = 218-248 preferably move the sigchan definitions here after all channels and you may also need to define slc for each of them >>>>> following is the system.conf >>>>> >>>>> span=1,1,0,ccs,hdb3,crc4 >>>>> bchan=1-15,17-31 >>>>> mtp2=16 >>>>> span=2,2,0,ccs,hdb3,crc4 >>>>> bchan=32-46,48-62 >>>>> mtp2=47 >>>>> span=3,3,0,ccs,hdb3,crc4 >>>>> bchan=63-93 >>>>> span=4,4,0,ccs,hdb3,crc4 >>>>> bchan=94-124 >>>>> span=5,5,0,ccs,hdb3,crc4 >>>>> bchan=125-155 >>>>> span=6,6,0,ccs,hdb3,crc4 >>>>> bchan=156-186 >>>>> span=7,7,0,ccs,hdb3,crc4 >>>>> bchan=187-217 >>>>> span=8,8,0,ccs,hdb3,crc4 >>>>> bchan=218-248 >>>>> span=9,9,0,ccs,hdb3,crc4 >>>>> bchan=249-279 >>>>> span=10,10,0,ccs,hdb3,crc4 >>>>> bchan=280-310 >>>>> span=11,11,0,ccs,hdb3,crc4 >>>>> bchan=311-341 >>>>> span=12,12,0,ccs,hdb3,crc4 >>>>> bchan=342-372 >>>>> loadzone = in >>>>> defaultzone = in >>>>> >>>>> Now one server working fine with 8 E1s in regular or heavy traffic of >>>>> inbound. >>>>> >>>>> But in second server, its giving following warning at every 8-10 >>>>> minutes >>>>> [Feb 15 12:04:52] WARNING[13950] chan_dahdi.c: MTP2 link down (SLC 1) >>>>> [Feb 15 12:04:52] WARNING[13950] chan_dahdi.c: MTP2 link down (SLC 0) >>>>> Also when traffic is high, i.e. more than 220-230 calls, suddenly all >>>>> calls get disconnected at same time. No other warning or error at that >>>>> time, only above MTP2 link down message there. No flactuation in E1 >>>>> media >>>>> at my side or telco side. >>>>> >>>>> Please guide me to solve above problem. >>>>> >>>>> >>>>> Bharat Lalcheta >>>>> >>>>> -- >>>>> _____________________________________________________________________ >>>>> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >>>>> >>>>> asterisk-ss7 mailing list >>>>> To UNSUBSCRIBE or update options visit: >>>>> http://lists.digium.com/mailman/listinfo/asterisk-ss7 >>>>> >>>> >>>> -- >>>> _____________________________________________________________________ >>>> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >>>> >>>> asterisk-ss7 mailing list >>>> To UNSUBSCRIBE or update options visit: >>>> http://lists.digium.com/mailman/listinfo/asterisk-ss7 >>>> >>> >>> >>> >>> -- >>> Bharat Lalcheta >>> >>> -- >>> _____________________________________________________________________ >>> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >>> >>> asterisk-ss7 mailing list >>> To UNSUBSCRIBE or update options visit: >>> http://lists.digium.com/mailman/listinfo/asterisk-ss7 >>> >> >> -- >> _____________________________________________________________________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> >> asterisk-ss7 mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-ss7 >>