[Asterisk-Users] Problem w/ Zaptel HDLC mode cisco Data Stability

Nick Eggleston nick at dccinc.com
Wed May 28 08:01:13 MST 2003


Digium T100P

On Wed, 28 May 2003, Martin Pycko wrote:

> What network card are you using ? (model and vendor)
>
> Martin
>
> On Tue, 27 May 2003, Nick Eggleston wrote:
>
> > We are using the zaptel driver to deliver a combined voice/data T1 circuit.
> >
> > The data channel-group is using the "cisco" hdlc protocol (on the linux side)
> > and connects with a cisco router on the far side.
> >
> > Everything comes up and works fine for a while.  A while later, though, IP
> > communication fails completely.  The cisco side shows up/up.  The Linux side
> > has a message in the log file stating:  "hdlc0:  Link down".
> >
> > Just prior to the link down message are numerous messages that say "New offset:"
> > followed by different numbers.  That may or may not be relevent.
> >
> > I am curious to know other people results with this configuration, if any.  If
> > you had the same problem, how did you solve it?
> >
> > We are planning to switch to PPP and see if that improves the situation.
> >
> > --Nick
> >
> > (implementation details follow:)
> >
> > CISCO:
> >
> > interface Serial1/0:1
> >  ip address 1.0.0.102 255.255.255.252
> >  encapsulation hdlc
> > end
> >
> > LINUX:
> >
> > sethdlc hdlc0 mode cisco
> > ifconfig hdlc0 1.0.0.101 netmask 255.255.255.252
> >
> > OS: Redhat 8.0
> > Kernel:  2.4.18-27.8.0
> >
> > /etc/zaptel.conf:
> >
> > loadzone=us
> > defaultzone=us
> > span=1,1,0,esf,b8zs
> > nethdlc=1-6
> > bchan=13-23
> > dchan=24
> >
> > ZAPTEL driver CVS diff:
> >
> > cvs server: Diffing .
> > Index: Makefile
> > ===================================================================
> > RCS file: /usr/cvsroot/zaptel/Makefile,v
> > retrieving revision 1.5
> > diff -r1.5 Makefile
> > 36c36
> > < #KFLAGS+=-DCONFIG_ZAPTEL_MMX
> > ---
> > > KFLAGS+=-DCONFIG_ZAPTEL_MMX
> > 54c54
> > < #KFLAGS+=-DCONFIG_ZAPATA_NET
> > ---
> > > KFLAGS+=-DCONFIG_ZAPATA_NET
> >
> > ZAPTEL driver CVS/Entries:
> >
> > /.cvsignore/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /ChangeLog/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /README.fxsusb/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /arith.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /biquad.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /bittest.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /complex.cc/1.1.1.1/Mon Mar 17 18:11:45 2003//
> > /complex.h/1.1.1.1/Mon Mar 17 18:11:45 2003//
> > /digits.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /ecdis.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /fasthdlc.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /fir.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /fxstest.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /genconst.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /gendigits.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /hdlcgen.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /hdlcstress.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /hdlctest.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /hdlcverify.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /ifcfg-hdlc0/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /ifup-hdlc/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /makefw.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /mec.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /mec2.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /mec2_const.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /mec3.h/1.3/Wed Apr 16 03:31:07 2003//
> > /mkfilter.h/1.1.1.1/Mon Mar 17 18:11:45 2003//
> > /mknotch.cc/1.1.1.1/Mon Mar 17 18:11:45 2003//
> > /orig.ee/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /patgen.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /patlooptest.c/1.1.1.2/Sat Mar 15 06:00:30 2003//
> > /pattest.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /proslic.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /sec-2.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /sec.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /sethdlc.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /timertest.c/1.1/Thu Mar 20 07:00:04 2003//
> > /tonezone.c/1.2/Mon Apr 14 16:14:55 2003//
> > /tonezone.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /tor.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /tor2-hw.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /tor2.c/1.1.1.5/Mon Mar 17 18:11:45 2003//
> > /tor2.ee/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /tor2ee.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /torisa.c/1.1.1.2/Mon Mar 17 18:11:45 2003//
> > /torisa.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /torisatool.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /tormenta2.rbt/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /tormenta2.ucf/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /tormenta2.vhd/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /usbfxstest.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /wcfxo.c/1.5/Thu Apr 10 21:02:54 2003//
> > /wcfxs.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /wcfxsusb.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /wcfxsusb.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /wct1xxp.c/1.1.1.4/Mon Mar 17 18:11:45 2003//
> > /wcusb.c/1.1.1.2/Fri Mar 14 06:00:34 2003//
> > /wcusb.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /zaptel.conf.sample/1.1.1.2/Mon Mar 17 18:11:45 2003//
> > /zaptel.init/1.1.1.2/Sat Mar 15 06:00:31 2003//
> > /zaptel.sysconfig/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /zonedata.c/1.3/Fri May  9 22:41:51 2003//
> > /ztcfg-dude.c/1.1.1.1/Tue Mar 18 06:00:29 2003//
> > /ztcfg.c/1.1.1.3/Tue Mar 18 06:00:29 2003//
> > /ztcfg.h/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /ztd-eth.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /ztdiag.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /ztdummy.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /ztdummy.h/1.1.1.2/Mon Feb 24 06:00:31 2003//
> > /ztdynamic.c/1.1.1.2/Mon Mar 17 18:11:45 2003//
> > /ztmonitor.c/1.1.1.2/Mon Feb 24 06:00:31 2003//
> > /ztspeed.c/1.1.1.1/Wed Feb 12 13:59:20 2003//
> > /zttool.c/1.2/Sat Apr  5 20:32:43 2003//
> > /Makefile/1.5/Result of merge//
> > /wcfxs.c/1.6/Thu May 15 02:22:05 2003//
> > /zaptel.c/1.13/Thu May 15 02:22:05 2003//
> > /zaptel.h/1.5/Thu May 15 02:22:05 2003//
> > D
> >
> >
> > --
> > Nick Eggleston
> > Consultant
> > Data Communications Consulting, Inc.
> > 6320 Rucker Road, Suite E
> > Indianapolis, IN  46220
> > 317/726-0295 x18
> > 317/202-2445 (fax)
> >
> >
> >
> >
> > _______________________________________________
> > Asterisk-Users mailing list
> > Asterisk-Users at lists.digium.com
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> >
>
> _______________________________________________
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> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
>

-- 
Nick Eggleston
Consultant
Data Communications Consulting, Inc.
6320 Rucker Road, Suite E
Indianapolis, IN  46220
317/726-0295 x18
317/202-2445 (fax)





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