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

Wed May 28 07:55:53 MST 2003

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)
>
>
>
>
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