[asterisk-ss7] number of sigchans on single linkset
Abdul Basit
basit.engg at gmail.com
Tue Mar 27 09:00:53 CDT 2012
Here is the trail
#dahdi_cfg -vvvt | grep MTP2
DAHDI Tools Version - 2.3.0
Channel 16: MTP2 (Default) (Echo Canceler: none) (Slaves: 16)
Channel 47: MTP2 (Default) (Echo Canceler: none) (Slaves: 47)
Channel 78: MTP2 (Default) (Echo Canceler: none) (Slaves: 78)
Channel 109: MTP2 (Default) (Echo Canceler: none) (Slaves: 109)
Channel 140: MTP2 (Default) (Echo Canceler: none) (Slaves: 140)
Channel 171: MTP2 (Default) (Echo Canceler: none) (Slaves: 171)
Channel 202: MTP2 (Default) (Echo Canceler: none) (Slaves: 202)
Channel 233: MTP2 (Default) (Echo Canceler: none) (Slaves: 233)
Sets up 248 channels to configure.
This may help.
--
regards,
abdul basit
On Tue, Mar 27, 2012 at 6:01 PM, Kaloyan Kovachev <kkovachev at varna.net>wrote:
> On Tue, 27 Mar 2012 17:35:34 +0500, Abdul Basit <basit.engg at gmail.com>
> wrote:
> > yap.
> > here is my system.conf:
> >
> > #
> > # Global data
> >
> > loadzone = us
> > defaultzone = us
> >
> > # Span 1: TE4/0/1 "T4XXP (PCI) Card 0 Span 1" (MASTER) HDB3/CCS
> > span=1,1,0,ccs,hdb3
> > bchan=1-15,17-31
> > mtp2=16
> > echocanceller=mg2,1-15,17-31
> >
> > # Span 2: TE4/0/2 "T4XXP (PCI) Card 0 Span 2" HDB3/CCS
> > span=2,2,0,ccs,hdb3
> > bchan=32-46,48-62
> > mtp2=47
> > echocanceller=mg2,32-46,48-62
> >
> > # Span 3: TE4/0/3 "T4XXP (PCI) Card 0 Span 3" HDB3/CCS
> > span=3,3,0,ccs,hdb3
> > bchan=63-77,79-93
> > mtp2=78
> > echocanceller=mg2,63-77,79-93
> >
> > # Span 4: TE4/0/4 "T4XXP (PCI) Card 0 Span 4" HDB3/CCS
> > span=4,4,0,ccs,hdb3
> > bchan=94-108,110-124
> > mtp2=109
> > echocanceller=mg2,94-108,110-124
> >
> > # Span 5: TE4/1/1 "T4XXP (PCI) Card 1 Span 1" HDB3/CCS
> > span=5,5,0,ccs,hdb3
> > bchan=125-139,141-155
> > mtp2=140
> > echocanceller=mg2,125-139,141-155
> >
> > # Span 6: TE4/1/2 "T4XXP (PCI) Card 1 Span 2" HDB3/CCS
> > span=6,6,0,ccs,hdb3
> > bchan=156-170,172-186
> > mtp2=171
> > echocanceller=mg2,156-170,172-186
> >
> > # Span 7: TE4/1/3 "T4XXP (PCI) Card 1 Span 3" HDB3/CCS
> > span=7,7,0,ccs,hdb3
> > bchan=187-201,203-217
> > mtp2=202
> > echocanceller=mg2,187-201,203-217
> >
> > # Span 8: TE4/1/4 "T4XXP (PCI) Card 1 Span 4" HDB3/CCS
> > span=8,8,0,ccs,hdb3
> > bchan=218-232,234-248
> > mtp2=233
> > echocanceller=mg2,218-232,234-248
> >
> > --
> > regards,
> >
> > abdul basit
> >
> >
> > On Tue, Mar 27, 2012 at 12:46 PM, Kaloyan Kovachev
> > <kkovachev at varna.net>wrote:
> >
> >> Hi,
> >>
> >> On Mon, 26 Mar 2012 20:18:48 +0500, Abdul Basit <basit.engg at gmail.com>
> >> wrote:
> >> > I recompiled libss7 and asterisk with
> >> >
> >> > libss7-1.0.2/ss7_internal.h:#define SS7_MAX_LINKS 16
> >> >
> >> > asterisk-1.6.2.10/channels/chan_dahdi.c:#define NUM_DCHANS 16
> >> >
> >> > But as soon as i add 5th link, i get error
> >> >
> >> > Command 'module load chan_dahdi.so' failed.
> >> > [Mar 21 16:25:28] ERROR[10641]: chan_dahdi.c:15568
> linkset_addsigchan:
> >> > Unable to open SS7 sigchan 140 (No such device or address)
> >>
>
> sigchan 140 is not found at all, which is outside of asterisk/libss7, but
> dahdi does not place such limits (1024 is far more than 16)
>
> what does dahdi_cfg -vvt say? Do you see channel 140 being configured?
>
> >> have you (re)defined it in system.conf or it is still commented out?
> >>
> >> >
> >> > While with 4 signalling links its perfect.
> >> >
> >> > [Mar 21 16:46:05] Loaded chan_dahdi.so => (DAHDI Telephony Driver
> >> w/SS7)
> >> > *CLI> [Mar 21 16:46:05] MTP2 link up (SLC 0)
> >> > [Mar 21 16:46:05] MTP2 link up (SLC 1)
> >> > [Mar 21 16:46:05] --- SS7 Up ---
> >> > [Mar 21 16:46:05] Resetting CICs 1 to 15
> >> > [Mar 21 16:46:05] Resetting CICs 17 to 31
> >> > [Mar 21 16:46:05] Resetting CICs 33 to 47
> >> > [Mar 21 16:46:05] Resetting CICs 49 to 63
> >> > [Mar 21 16:46:05] Resetting CICs 65 to 79
> >> > [Mar 21 16:46:05] Resetting CICs 81 to 95
> >> > [Mar 21 16:46:05] Resetting CICs 97 to 111
> >> > [Mar 21 16:46:05] Resetting CICs 113 to 127
> >> > [Mar 21 16:46:05] Resetting CICs 129 to 143
> >> > [Mar 21 16:46:05] Resetting CICs 145 to 159
> >> > [Mar 21 16:46:05] Resetting CICs 161 to 175
> >> > [Mar 21 16:46:05] Resetting CICs 177 to 191
> >> > [Mar 21 16:46:05] Resetting CICs 193 to 207
> >> > [Mar 21 16:46:05] Resetting CICs 209 to 223
> >> > [Mar 21 16:46:05] Resetting CICs 225 to 239
> >> > [Mar 21 16:46:05] Resetting CICs 241 to 255
> >> > [Mar 21 16:46:06] MTP2 link up (SLC 3)
> >> > [Mar 21 16:46:06] MTP2 link up (SLC 2)
> >> >
> >> > Checking with my provider. Will update after coordination.
> >> >
> >> > --
> >> >
> >> > regards,
> >> >
> >> > Abdul Basit
> >> >
> >> >
> >> >
> >> > On Mon, Mar 19, 2012 at 12:16 AM, Kaloyan Kovachev
> >> > <kkovachev at varna.net>wrote:
> >> >
> >> >> Not sure about SIG_SS7_NUM_DCHANS, but i am using SS7_MAX_LINKS and
> >> >> SS7_MAX_ADJSPS = 8 (with 6 links actually) for over 3 years without
> a
> >> >> problem and as the max SLC is 4 bit it seems right to have 16 as the
> >> >> hardcodded maximum
> >> >>
> >> >> On Sun, 18 Mar 2012 22:54:20 +0500, Abdul Basit
> <basit.engg at gmail.com>
> >> >> wrote:
> >> >> > Kaloyan,
> >> >> >
> >> >> > Thank you for suggestion.
> >> >> > I will update and recompile asterisk. Will get back with results.
> >> >> >
> >> >> > --
> >> >> > regards,
> >> >> >
> >> >> > Abdul Basit
> >> >> >
> >> >> >
> >> >> >
> >> >> > On Sat, Mar 17, 2012 at 12:47 PM, Kaloyan Kovachev
> >> >> > <kkovachev at varna.net>wrote:
> >> >> >
> >> >> >> On Fri, 16 Mar 2012 23:25:40 +0500, Abdul Basit
> >> <basit.engg at gmail.com>
> >> >> >> wrote:
> >> >> >> > This is production machine. I found it as stable one and
> working
> >> >> >> > fine
> >> >> >> with
> >> >> >> > me.
> >> >> >> > Moreover, I tested with latest asterisk 1.6.2.23 but this is
> not
> >> >> >> > solving
> >> >> >> > slc problem.
> >> >> >> >
> >> >> >> > If someone has better idea/suggestion thanks in advance.
> >> >> >>
> >> >> >> There are few hardcoded limits:
> >> >> >> in libss7
> >> >> >> ss7_internal.h SS7_MAX_LINKS 4
> >> >> >> ss7_internal.h SS7_MAX_ADJSPS 4
> >> >> >>
> >> >> >> in Asterisk 1.8 and up to trunk
> >> >> >> sig_ss7.h SIG_SS7_MAX_CHANNELS 672 (which is 1 DS3 = 28
> T1
> >> or
> >> >> >> about 22 E1)
> >> >> >> which is equal to MAX_CHANNELS in older versions
> >> >> >> sig_ss7.h SIG_SS7_NUM_DCHANS 4 (in older versions is
> >> just
> >> >> >> NUM_DCHANS)
> >> >> >>
> >> >> >> also NUM_SPANS = 32 unless you have compiled asterisk with the
> >> >> >> 'lots
> >> >> >> of
> >> >> >> spans' option in which case it is 128
> >> >> >>
> >> >> >> in short upgrading will not solve your problem - you should
> change
> >> the
> >> >> >> hardcoded value and recompile.
> >> >> >> In my opinion it is safe to increase them all from 4 to 16
> (links,
> >> >> adjspc
> >> >> >> and dchans)
> >> >> >>
> >> >> >> >
> >> >> >> > --
> >> >> >> > regards,
> >> >> >> >
> >> >> >> > Abdul Basit
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> > On Fri, Mar 16, 2012 at 8:54 PM, Kevin P. Fleming
> >> >> >> > <kpfleming at digium.com>wrote:
> >> >> >> >
> >> >> >> >> On 03/16/2012 08:52 AM, Abdul Basit wrote:
> >> >> >> >>
> >> >> >> >>> While browsing through the code in
> >> >> >> >>>
> >> >> >> >>> asterisk-1.6.2.10/channels/**chan_dahdi.c
> >> >> >> >>>
> >> >> >> >>
> >> >> >> >> Why are you using such an old version of Asterisk?
> >> >> >> >>
> >> >> >> >> --
> >> >> >> >> Kevin P. Fleming
> >> >> >> >> Digium, Inc. | Director of Software Technologies
> >> >> >> >> Jabber: kfleming at digium.com | SIP: kpfleming at digium.com |
> Skype:
> >> >> >> >> kpfleming
> >> >> >> >> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
> >> >> >> >> Check us out at www.digium.com & www.asterisk.org
> >>
>
> --
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